All products · 21 of 1440
Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Safety Mask
Safety mask with ~80% filtering efficiency against 0.3-micron sodium chloride particles.
Thermaltake Core P6 Tempered Glass Snow White ATX Mid Tower Case
[PC Case] Thermaltake Core P6 TG Snow White Transformable Open-Frame Case Dual-configuration chassis that can be easily transformed between a closed-chassis and open-frame design. Equipped with three 4mm tempered glass panels and modular brackets. ⭐ Key Features - Transformable between closed case and wall-mountable open frame - Rotatable PCI-E slots for horizontal or vertical graphics card displays - PSU cover and cable management shroud included - Magnetic dust filters on top, bottom, and side 📋 Technical Specifications - Dimensions: 565 x 255 x 530 mm - Net Weight: 17.84 kg - Front I/O: 1x Type-C, 2x USB 3.0, 2x USB 2.0 📦 Package Includes - 1 x Thermaltake Core P6 TG Snow White Chassis - 1 x Riser Cable Mount Bracket
Antec Constellation C3 ARGB White ATX Mid Tower Case
[PC Case] Antec Constellation C3 ARGB White Panoramic Mid Tower Case Panoramic curved corner tempered glass design pre-installed with 4x ARGB PWM fans and built-in fan controller. ⭐ Key Features - Curved panoramic glass corner - 4x ARGB PWM fans included - Type-C 10Gbps front panel port - Magnetic dust filters 📦 Package Includes - 1 x Antec C3 ARGB White Case - 4 x ARGB PWM Fans
Out of stockSolder Fume Extractor with HEPA Filter
Desktop fume extractor, 23W, replaceable activated-carbon HEPA filter.
Out of stockMagnetic Dust Filter 140mm (Pack of 3)
Black magnetic mesh dust filters for 140mm fan vents. Pack of 3.
Out of stockMagnetic Dust Filter 120mm (Pack of 4)
Black magnetic mesh dust filters for 120mm fan vents. Pack of 4.
Keltron 3300uF 25V Radial Electrolytic Capacitor High Performance Capacitor
[Through Hole Capacitor] The Keltron 3300uF 25V Electrolytic Capacitor is a high-performance aluminum electrolytic capacitor designed for energy storage, voltage filtering, and ripple suppression applications. It is widely used in power supply circuits, audio amplifiers, inverter systems, battery chargers, and industrial electronics. In addition, the capacitor provides excellent filtering capability by reducing voltage fluctuations and unwanted electrical noise. As a result, it helps improve circuit stability and enhances overall system performance. Because of its 3300uF high capacitance value, the capacitor is ideal for smoothing DC power rails and handling transient current demands. Furthermore, the 25V DC voltage rating makes it suitable for a variety of low-voltage electronic applications. The radial lead design allows easy PCB installation and secure mounting. Moreover, Keltron capacitors are known for their dependable quality, stable electrical characteristics, and long operational life. This capacitor is commonly used in audio amplifier power supplies, SMPS circuits, LED power supplies, inverter systems, battery chargers, and DIY electronics projects. 🔹 Key Features Genuine Keltron capacitor High capacitance 3300uF value Rated voltage of 25V DC Excellent ripple filtering performance Suitable for audio and power supply circuits Low leakage current Long operational life Radial lead through-hole design Reliable and stable performance 🔹 Technical Specifications Brand: Keltron Product Type: Electrolytic Capacitor Capacitor Type: Aluminum Electrolytic Capacitance: 3300uF Rated Voltage: 25V DC Tolerance: ±20% Mounting Type: Through-Hole (Radial Lead) Polarized: Yes Lead Type: Radial Operating Temperature: Up to 105°C (Series Dependent) Application: Filtering, Decoupling, Energy Storage 🔹 Applications This capacitor is suitable for: Audio amplifier circuits Power supply filtering SMPS circuits Inverter systems Battery chargers LED driver circuits Industrial electronics DIY electronics projects Electronic repair applications 🔹 Package Includes 1 × Keltron 3300uF 25V Radial Electrolytic Capacitor
Out of stock5V 10A SMPS – 50W – DC Metal Power Supply
[SMPS] 5V 10A SMPS – 50W – DC Metal Power Supply Non Water Proof A switched-mode power supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source (often mains power) to DC loads, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Please find out our others power supply, Click here Features/Specs: Input Voltage: AC 100 – 264V 50 / 60Hz Output Voltage: 5V DC, 10A Total Power: 50 W Protections: Overload / Over Voltage / Short Circuit Auto-Recovery After Protection Universal AC input / Full range 100% Full Load Burn-in Test Cooling by Free Air Convection High Quality and High Performance LED power supply with a metal body for hidden installation for LED lighting Design with Built-in EMI Filter, improve signal precision. No Minimum Load. Compact Size Light Weight. High Efficiency, Reliabiltiy & low energy consumption Category – Switch Mode Power Adaptor (SMPS) MTBF >50,000 hours Output Type – DC Output – 5Volts 10Amp Shell Material: Metal Case / Aluminum Base Color: Sliver IN-DOOR USE ONLY! Package Includes: 1 x 5V 10A SMPS – 50W – DC Metal Power Supply Non Water Proof Note: Product Images are shown for illustrative purposes only and may differ from the actual product.
Out of stock0.1uF 50V -104 Ceramic Capacitor – DIP
[Through Hole Capacitor] This Through Hole Mount (DIP) Multilayer Ceramic Capacitor is made of ceramic dielectric in which a number of interleaved metal electrodes are contained. It is very low cost, and used mostly for reducing the noise or filtering on data lines, power lines etc. Applications: Consumer electronics, for example Tuners, Television receivers, All types of cameras Telecommunications Data processing Features: Supplied in tape on reel Nickel-barrier end termination RoHS compliant Halogen Free compliant
220uf / 25v Electrolytic Capacitor-Keltron
[Through Hole Capacitor] The KELTRON 220uF 25V Electrolytic Capacitor is a high-quality aluminum electrolytic capacitor designed for filtering, coupling, decoupling, and energy storage applications in electronic circuits. It is widely used in power supplies, audio amplifiers, control circuits, and industrial electronic equipment. In addition, the capacitor effectively smooths DC voltage and suppresses unwanted electrical noise. As a result, it helps improve circuit stability and overall system performance. Because of its 220uF capacitance value, the capacitor provides reliable energy storage and transient suppression for low-voltage electronic circuits. Furthermore, the 25V DC rating makes it suitable for various power supply and signal processing applications. The radial lead design allows easy PCB installation and secure mounting. Moreover, KELTRON capacitors are known for their dependable performance, long operational life, and stable electrical characteristics. This capacitor is commonly used in audio amplifiers, SMPS power supplies, battery chargers, LED drivers, inverter circuits, and DIY electronics projects. 🔹 Key Features Genuine KELTRON capacitor High-quality aluminum electrolytic construction 220uF capacitance value 25V DC rated voltage Excellent filtering and decoupling performance Low leakage current Long operational life Easy PCB mounting Suitable for power supply and audio applications 🔹 Technical Specifications Brand: KELTRON Product Type: Electrolytic Capacitor Capacitor Type: Aluminum Electrolytic Capacitance: 220uF Rated Voltage: 25V DC Tolerance: ±20% Mounting Type: Through-Hole (Radial Lead) Polarized: Yes Lead Type: Radial Operating Temperature: Up to 105°C (Series Dependent) Application: Filtering, Decoupling, Energy Storage 🔹 Applications This capacitor is suitable for: Power supply filtering Audio amplifier circuits SMPS power supplies LED driver circuits Battery chargers Inverter circuits Industrial electronics DIY electronics projects Electronic repair applications 🔹 Package Includes 1 × KELTRON 220uF 25V Electrolytic Capacitor
470uF 25V Radial Electrolytic Capacitor High Performance Capacitor KELTRON
[Through Hole Capacitor] The KELTRON 470uF 25V Electrolytic Capacitor is a reliable aluminum electrolytic capacitor designed for filtering, energy storage, and decoupling applications in electronic circuits. It is commonly used in power supplies, audio equipment, control circuits, and electronic repair work. In addition, the capacitor helps smooth voltage fluctuations and suppress unwanted electrical noise. As a result, it improves circuit stability and enhances the performance of electronic devices. Because of its 470uF capacitance value, the capacitor provides effective filtering for DC power rails and transient suppression applications. Furthermore, the 25V voltage rating makes it suitable for low-voltage power supplies, amplifier circuits, and embedded electronics projects. The radial lead design allows convenient PCB installation and secure mounting. Moreover, the high-quality aluminum electrolytic construction offers dependable performance and long service life. This capacitor is widely used in audio amplifiers, SMPS circuits, LED drivers, battery chargers, Arduino projects, and industrial electronic equipment. 🔹 Key Features High-quality aluminum electrolytic capacitor 470uF capacitance value 25V DC voltage rating Excellent filtering and decoupling performance Helps reduce voltage ripple and noise Suitable for audio and power supply applications Radial lead through-hole design Reliable long operational life Easy PCB installation 🔹 Technical Specifications Product Type: Electrolytic Capacitor Capacitor Type: Aluminum Electrolytic Capacitance: 470uF Rated Voltage: 25V DC Tolerance: ±20% Mounting Type: Through-Hole (Radial Lead) Polarized: Yes Operating Temperature: -40°C to +105°C (varies by series) Lead Type: Radial Leads Application: Filtering, Decoupling, Energy Storage 🔹 Applications This capacitor is suitable for: Power supply filtering Audio amplifier circuits SMPS power supplies LED driver circuits Battery chargers DC voltage smoothing Arduino and microcontroller projects Industrial electronics Electronic repair applications 🔹 Package Includes 1 × 470uF 25V Radial Electrolytic Capacitor
Out of stock0.01uF 50V -103 Ceramic Capacitor – DIP
[Through Hole Capacitor] This Through Hole Mount (DIP) Multilayer Ceramic Capacitor is made of ceramic dielectric in which a number of interleaved metal electrodes are contained. It is very low cost, and used mostly for reducing the noise or filtering on data lines, power lines etc. Applications: Consumer electronics, for example Tuners, Television receivers, All types of cameras Telecommunications Data processing Features: Supplied in tape on reel Nickel-barrier end termination RoHS compliant Halogen Free compliant
Out of stock0.0022uF 50V -222 Ceramic Capacitor – DIP
[Through Hole Capacitor] This Through Hole Mount (DIP) Multilayer Ceramic Capacitor is made of ceramic dielectric in which a number of interleaved metal electrodes are contained. It is very low cost, and used mostly for reducing the noise or filtering on data lines, power lines etc. Applications: Consumer electronics, for example Tuners, Television receivers, All types of cameras Telecommunications Data processing Features: Supplied in tape on reel Nickel-barrier end termination RoHS compliant Halogen Free compliant
Out of stock0.001uF 50V -102 Ceramic Capacitor – DIP
[Through Hole Capacitor] This Through Hole Mount (DIP) Multilayer Ceramic Capacitor is made of ceramic dielectric in which a number of interleaved metal electrodes are contained. It is very low cost, and used mostly for reducing the noise or filtering on data lines, power lines etc. Applications: Consumer electronics, for example Tuners, Television receivers, All types of cameras Telecommunications Data processing Features: Supplied in tape on reel Nickel-barrier end termination RoHS compliant Halogen Free compliant
Keltron 2200uF 25V Radial Electrolytic Capacitor High Performance Capacitor
[Through Hole Capacitor] The 2200uF 25V Electrolytic Capacitor is a high-capacitance aluminum electrolytic capacitor designed for energy storage, voltage filtering, and decoupling applications. It is widely used in power supplies, audio amplifiers, industrial electronics, and electronic repair projects. In addition, the capacitor provides excellent ripple current handling and stable electrical performance. As a result, it effectively reduces voltage fluctuations, suppresses electrical noise, and improves overall circuit reliability. Because of its 2200uF capacitance, this capacitor can store a significant amount of electrical energy for smoothing DC outputs and reducing transient voltage spikes. Furthermore, the 25V rated voltage makes it suitable for a wide range of low-voltage power supply applications. The radial lead design allows easy PCB mounting and convenient installation. Moreover, the capacitor is manufactured using high-quality aluminum electrolytic technology to ensure long service life and dependable operation. This capacitor is commonly used in SMPS power supplies, audio amplifiers, inverter circuits, battery chargers, LED drivers, Arduino projects, and general electronic circuits. 🔹 Key Features High capacitance 2200uF value Rated voltage of 25V DC Radial lead electrolytic capacitor Excellent filtering and decoupling performance Low impedance design High ripple current capability Reliable long operational life Suitable for power supply and audio applications Easy PCB mounting 🔹 Technical Specifications Product Type: Aluminum Electrolytic Capacitor Capacitance: 2200uF Rated Voltage: 25V DC Tolerance: ±20% Mounting Type: Through-Hole (Radial Lead) Capacitor Type: Polarized Electrolytic Operating Temperature: -40°C to +105°C (varies by manufacturer series) Lead Spacing: Typically 7.5mm – 10mm (varies by batch) Application: Filtering, Decoupling, Energy Storage Series Resistance: Low ESR (depends on series) 🔹 Applications This capacitor is suitable for: Audio amplifier circuits Power supply filtering SMPS circuits Voltage stabilization circuits Battery chargers Inverter systems LED driver circuits DIY electronics projects Industrial electronic equipment Electronic repair work 🔹 Package Includes 1 × 2200uF 25V Radial Electrolytic Capacitor
ESP WROOM32 MCU Development Module – 38 Pin
[ESP Modules] This is ESP WROOM 32 MCU Development Module. ESP WROOM 32 is a powerful, generic WiFi-BT-BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. The WROOM32 based modules with integrated flash. These modules are well suited for Wi-Fi and Bluetooth/Bluetooth LE-based connectivity applications and provide a solid dual-core performance and the clock frequency is adjustable from 80 MHz to 240 MHz. The user may also use power saving mode for the CPU and make use of the low-power coprocessor to constantly monitor the peripherals for changes or crossing of thresholds. ESP32S integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, low-noise sense amplifiers, SD card interface, Ethernet, high-speed SDIO/SPI, UART, and I²C. Using Bluetooth, users can connect to their phone or broadcast low energy beacons for its detection. The use of Wi-Fi enables a large physical range, as well as a direct connection to the internet via a Wi-Fi router. Perfect for wearable electronic or battery-powered applications, the ESP32 chip uses less than 5µA. In addition, this module can support data rates of up to 150 Mbps and 22 dBm output power at the PA in order to allow for the widest physical range. ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller. The ESP32 is integrated with Antenna switches, RF Balun, power amplifiers, low-noise amplifiers, filters, and management modules, and the entire solution occupies the least area of PCB. 2.4 GHz Wi-Fi plus Bluetooth dual-mode chip, with TSMC Ultra-low power consumption 40nm technology, power dissipation performance, and RF performance is the best, safe and reliable, easy to extend to a variety of applications. Features: High performance-price ratio Small volume, easily embedded to other products Strong function with support LWIP protocol, Freertos Supporting three modes: AP, STA, and AP+STA Supporting Lua program, easily to develope Package Includes: 1 x ESP32 38Pin Development Board
Out of stockMAX30102 Pulse Oximeter Heart Rate Sensor Module
[Proximity Sensor] MAX30102 is a sensor that combines a pulse oximeter and a heart rate monitor. It’s an optical sensor that measures the absorbance of pulsating blood through a photodetector after emitting two wavelengths of light from two LEDs – a red and an infrared one. This particular LED colour combination is designed to allow data to be read with the tip of one’s finger. It is fully configurable through software registers and the digital output data is stored in a 16-deep FIFO within the device. It has an I2C digital interface to communicate with a host microcontroller. The pulse oximetry subsystem in MAX30102 consists of ambient light cancellation (ALC), 16-bit sigma-delta ADC, and a proprietary discrete-time filter. It has an ultra-low-power operation which makes it ideal for battery-operated systems. MAX30100 operates on a supply in the range of 1.8 to 3.3V. It can be used in wearable devices, fitness assistant devices, medical monitoring devices, etc. This sensor works on 3.3V Devices directly. You can connect it to 3.3V devices like ESP8266, ESP32, etc. directly. To use it with the Arduino UNO, Mega, Nano, etc. use a level shifter in between. Else I2C connection will not work. Features Heart-Rate Monitor and Pulse Oximeter Sensor in LED Reflective Solution Tiny 5.6mm x 3.3mm x 1.55mm 14-Pin Optical Module Integrated Cover Glass for Optimal, Robust Performance Ultra-Low Power Operation for Mobile Devices Programmable Sample Rate and LED Current for Power Savings Low-Power Heart-Rate Monitor (< 1mW) Ultra-Low Shutdown Current (0.7µA) Fast Data Output Capability High Sample Rates Robust Motion Artifact Resilience High SNR -40°C to +85°C Operating Temperature Range
TPA3116D2 50W+50W Dual Channel Mini Digital Amplifier Class D Amplifier
[Amplifier Board] XH-M562 TPA 3116 D2 50Wx2 Dual Channel Mini Digital Amplifier Board DC 12V The XH-M562 TPA 3116D2 50W+50W Dual Channel Mini Digital Class D Amplifier. Allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the TPA 3116D2 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. Features : Dual-channel stereo, high output power (50w + 50w power @ 12V ). Good sound quality. Double panel wiring solves crosstalk. Supermini design allows it to be easily placed in a variety of digital products. Filterless, Low Quiescent Current and Low EMI. Superior Low Noise. Short Circuit Protection. Thermal Shutdown APPLICATION : Bluetooth Stereo Audio hands-free/headsets In robots that speak or generate sounds to indicate activities Portable Speakers LCD Monitors / TV Projectors Arduino or Raspberry Pi Game Machines Speaker Phones
Out of stockTDA7492P 50W Wireless Digital Audio Receiver Amplifier Board
[Amplifier Board, Audio Receiver] TDA 7492 P 1 x Amplifier Board 25Wx2 AUX Wireless High Quality This is TDA7492 p based is Class-D audio amplifier. This module has integrated a Bluetooth module, all the used components in the amplifying process, output connectors and control buttons. All you need to do is supply 12V to 36A to it, connect an 8-ohm 50W speaker to each output and connect a Bluetooth device to it and enjoy and control your favourite music wirelessly. In the layout above you can see that the board has 5 control buttons. You can also use those to change the track or control the volume. There is a DIP 2 switches button. Combining the up/down position of each switch you can obtain 4 different filters for the output. In the layout above you can see each combination and the applied gain in each case. This Amplifier has Audio stereo input and connectivity to all versions of the Bluetooth connection, using CSR8635 Bluetooth chip with Bluetooth V4.0. Output Impedance of module is 8 ohms per channel. TDA7492 digital amplifier chip, designed to optimize the circuit layout, the sound quality is very good, big power DIP switches can be adjusted directly after the amp gain more respect and better promote greater damping horn. Features: 25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω Wide-range single-supply operation (8 – 26 V) High efficiency (η = 90%) Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB Differential inputs minimize common-mode noise Standby and mute features Short-circuit protection Thermal overload protection Externally synchronizable
PAM8403 5V Two-channel Stereo Mini Class-D 3W+3W Audio Amplifier
The PAM8403 5V Two-channel Stereo is a 3W+3W, class-D audio amplifier. Allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. Features : Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load). Good sound quality. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI. Superior Low Noise. Short Circuit Protection. Thermal Shutdown Application : Bluetooth Stereo Audio hands-free/headsets In robots that speak or generate sounds to indicate activities Portable Speakers LCD Monitors / TV Projectors Arduino or Raspberry Pi Game Machines Speaker Phones
Out of stockXL6009 DC-DC Step-Up Converter Performance Ultra LM2577 Booster Circuit Board
[Step UP Buck Converter] This CN6009 XL6009 DC – DC Step-up converter module is a non-isolated step-up (boost) voltage converter featuring adjustable output voltage and high efficiency. The module uses the second generation of high-frequency switching technology XL6009E1 core chip performance than the first generation technology LM2577. XL6009 boost module at a lower cost, superior performance. It equips 4A high-efficiency MOSFET switches, so as to provide a conversion efficiency of up to 94%. High switching frequency 400KHz, you can use a small -capacity filter capacitors that can achieve very good results, the ripple is smaller and smaller Pins IN+ input positive IN- input negative! OUT+ output positive OUT- output negative Features : The performance is much higher than LM2577. Non-isolated Boost converter. It has a non-synchronous rectifier. Small and Handy voltage regulator module. Package Includes : 1 x CN6009 XL6009 DC-DC Step-up converter module.