3pcs sink

3pcs 100x41x8mm Aluminum Heat Sink Heat Sink Cooler For High Power LED Amplifier Transistor Cooling

3pcs TEC1-12705 Heat Sink Thermoelectric Cooler Cooling Peltier Plate Module 40 x 40mm

Buy 3pcs 40x40x20mm Aluminum Heat Sink Heat Sink For CPU LED Power Cooling for R175.00

Buy 3pcs Original Hiland Heat Sink + Cooling Fan + Mounting Screws Kit For 0-30V 0- for R288.00

Buy 3pcs 150x80x27mm Thickening Aluminum Heat Sink LED Radiator for R533.92

Buy 3pcs 100x60x10mm Short Toothed Aluminum Alloy Heat Sink Radiator for R206.00

Feature: 1. To provide the effective volume of the device to occupy space. 2. The maximum temperature that can be played by the device node. 3. It can reduce the power loss of the device. 4. It can improve the environment (temperature, and air flow rate). Application: IC circuit board,motherboard,MOS tube,TO-3P large power tube,heat sink,electronic audio,power amplifier,etc Specification: Height: 10mm Width: 25mm Length: 100mm Material: aluminum Package included: 3 x Aluminum Heat Sink

Specifications: · 300W 8A 7-32V to 0.8-28V DC CC CV Buck Step-Down Converter Power Supply Step Down Module Adjustable Voltage Regulator LED Driver · High-power, constant current LED driver · Battery charger · Vehicle-mounted power supply · Low voltage system power supply · Non-isolated step-down CC CV Buck module with on-board LED load indicator · Input voltage: DC 7-32 V · Output Voltage: DC 0.8-28 V (Adjustable) · Output Current: 8A (MAX), more than 60Deg please strengthen heatsink · Continuous Current Range: 0.2-8A Adjustable · Output Power: 300W (MAX) · Conversion efficiency: 95% (more input voltage, more efficiency) · Output ripple: 50mV · Working Temperature: industrial (- 40 ° c to +85 °c) (environmental temperature, more than 40 degrees, please reduce power to use, or - enhance cooling) · No-load current: 20mA (input 24V,Output 12V for reference) · Voltage regulation: ± 1% · Load regulation: ± 1% · Dynamic response speed: 200uS 5% · Short circuit protection: YES · Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.) · Size: 65 x 47 x 22 mm · On-board LED load indications: red = load present (eg. 'battery charging'), green = no load (eg. 'battery charged' or output disconnected) Features: 1. Fixed turn lamp current is 0.1 times the current value(Used to identify whether the battery is fully charged When charging). 2. Made from a dedicated benchmark IC and high-precision current sensing resistor, proving a more stable constant current, (when 20°C to 100°C constant current 1A, temperature drift less than 1%). Particularly suitable for LED driver. 3. High output current, the max output current can reach 8A. 4. Four high frequency capacitance, can lower output ripple, enhance the work stabilization. 5. Double heat sink design. MOS schottky diode independent heat sink,which heat dissipation is good, and won't affect each other. 6. Using large size Sendust Core and double pure copper wiring, improve working efficiency, reduce fever. 7. 3296 multiturn potentiometer,high accuracy voltage and current regulation, good stability. 8. Double color lamp, working condition be clear at a glance 9. Voltage and current are adjustable,wich effect is good. Applications: 1. High-power LED driver. 2. Lithium battery(or lead accumulator) charge. 3. Vehicle-mounted power supply. 4. Low voltage system power supply. 5. 6V, 12V, 14V, 24V battery charge. 6. On-board laptop power supply. 7. regulated power supply. 8.Low voltage power supply system. Module adjustment: ￢ﾀﾋ 1. When the module output voltage can not be adjusted (the output voltage is always equal to the input voltage) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.￢ﾀﾋ 2. Turn trimmers CLOCKWISE to INCREASE, ANTICLOCKWISE to DECREASE. 3. When adjust the blue potentiometer,please use a multimeter to monitor the voltage 4. The trimmer nearest the voltage output adjusts the output CURRENT (CC) 5. The trimmer nearest the voltage input adjusts the output VOLTAGE (CV) Charger application - intructions: 1. First determine the float voltage and charging current required by the battery to be charged (the ‘target battery'). The target battery disconnected from the module output, apply a voltage of 7V - 32V to the module input, being sure to observe correct polarity. 2. Using the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the charging current required by target battery. 4. Using the CV trimmer, adjust the module's output voltage to the float voltage required by the target battery. 5. Connect the target battery to the module output, observing correct polarity. Charging of the battery should commence ￢ﾀﾋ Constant current LED Driver Application - Instructions: 1. First determine the operating current and maximum operating voltage of the LED you need to drive. 2. With the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the operating current of your LED. 4. Adjust the CV trimmer to make the output voltage reach the maximum LED operating voltage. 5. Connect LED, test. Package included: 3 x 8A 300W buck adjustable power supply module

Specifications: · 300W 8A 7-32V to 0.8-28V DC CC CV Buck Step-Down Converter Power Supply Step Down Module Adjustable Voltage Regulator LED Driver · High-power, constant current LED driver · Battery charger · Vehicle-mounted power supply · Low voltage system power supply · Non-isolated step-down CC CV Buck module with on-board LED load indicator · Input voltage: DC 7-32 V · Output Voltage: DC 0.8-28 V (Adjustable) · Output Current: 8A (MAX), more than 60Deg please strengthen heatsink · Continuous Current Range: 0.2-8A Adjustable · Output Power: 300W (MAX) · Conversion efficiency: 95% (more input voltage, more efficiency) · Output ripple: 50mV · Working Temperature: industrial (- 40 ° c to +85 °c) (environmental temperature, more than 40 degrees, please reduce power to use, or - enhance cooling) · No-load current: 20mA (input 24V,Output 12V for reference) · Voltage regulation: ± 1% · Load regulation: ± 1% · Dynamic response speed: 200uS 5% · Short circuit protection: YES · Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.) · Size: 65 x 47 x 22 mm · On-board LED load indications: red = load present (eg. 'battery charging'), green = no load (eg. 'battery charged' or output disconnected) Features: 1. Fixed turn lamp current is 0.1 times the current value(Used to identify whether the battery is fully charged When charging). 2. Made from a dedicated benchmark IC and high-precision current sensing resistor, proving a more stable constant current, (when 20°C to 100°C constant current 1A, temperature drift less than 1%). Particularly suitable for LED driver. 3. High output current, the max output current can reach 8A. 4. Four high frequency capacitance, can lower output ripple, enhance the work stabilization. 5. Double heat sink design. MOS schottky diode independent heat sink,which heat dissipation is good, and won't affect each other. 6. Using large size Sendust Core and double pure copper wiring, improve working efficiency, reduce fever. 7. 3296 multiturn potentiometer,high accuracy voltage and current regulation, good stability. 8. Double color lamp, working condition be clear at a glance 9. Voltage and current are adjustable,wich effect is good. Applications: 1. High-power LED driver. 2. Lithium battery(or lead accumulator) charge. 3. Vehicle-mounted power supply. 4. Low voltage system power supply. 5. 6V, 12V, 14V, 24V battery charge. 6. On-board laptop power supply. 7. regulated power supply. 8.Low voltage power supply system. Module adjustment: ??br /> 1. When the module output voltage can not be adjusted (the output voltage is always equal to the input voltage) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.??br />2. Turn trimmers CLOCKWISE to INCREASE, ANTICLOCKWISE to DECREASE. 3. When adjust the blue potentiometer,please use a multimeter to monitor the voltage 4. The trimmer nearest the voltage output adjusts the output CURRENT (CC) 5. The trimmer nearest the voltage input adjusts the output VOLTAGE (CV) Charger application - intructions: 1. First determine the float voltage and charging current required by the battery to be charged (the ‘target battery'). The target battery disconnected from the module output, apply a voltage of 7V - 32V to the module input, being sure to observe correct polarity. 2. Using the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the charging current required by target battery. 4. Using the CV trimmer, adjust the module's output voltage to the float voltage required by the target battery. 5. Connect the target battery to the module output, observing correct polarity. Charging of the battery should commence ??br /> Constant current LED Driver Application - Instructions: 1. First determine the operating current and maximum operating voltage of the LED you need to drive. 2. With the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the operating current of your LED. 4. Adjust the CV trimmer to make the output voltage reach the maximum LED operating voltage. 5. Connect LED, test. Package included: 3 x 8A 300W buck adjustable power supply module

Specification: Module properties: non-isolated step-down module (BUCK) Rectification: non-synchronous rectifier Input voltage: DC 4V ~ 38V Output voltage: DC 1.25V ~ 32V (adjustable) Output current: 0A ~ 5A Output power: 75W (more than 50W please add heat sink) Operating Frequency: 180KHz Operating Temperature: -40°C ~ +85°C Load regulation: S(I)≤0.8% Voltage regulation: S(u)≤0.8% Package included: 3 x 5A DC-DC adjustable step down module  

Function Description: 1) 3A rectifier bridge (AC, DC input can be entered) 2) 2 * 35V 220UF high-voltage capacitor (do buffer filtering) 3) High-quality heat (supporting fins to enhance heat dissipation) 4) 1.5A high current chip This board uses full-wave bridge rectifier, AC or DC can be entered, and the input regardless of positive and negative electrodes. Filtering using two large-capacity electrolytic capacitor 35V 220UF do buffer filtering enables smooth and stable output current. L7812 is equipped with a heat sink, and 3A rectifier bridge, can meet high-current output. Application: DIY power supply, monitor power supply, test power, camera power supply, automotive power, communications equipment supply. Other parameters: Module size: 43*20*22mm Input voltage (pressure): DC15 ~ 24V, AC12 ~ 18V Output characteristics: Load Regulation: 100mV Quiescent Current: 8mA Output noise voltage: 42uV Input and output pressure: 2V Output Impedance: 15mΩ Peak Current: 1.5A Package included: 3 x L7812 LM7812 Three-terminal Voltage Regulator Module

Feature: - 1MHz Fast-mode Plus compatible owned 30mA high drive capability on SDA of I2C bus interface to drive highly capacitive bus - Each LED output can be achieved from the fully closed (default) to 4096 (12) between the maximum brightness linear programmable brightness - Software programmable open-drain LED output selection (default is push-pull) of 16 push-pull outputs (5V at 25mA sink can absorb and provide 10mA Source Current), no input function - Programmable output state is in response to an order to change or stop in order to achieve all outputs simultaneously update or byte by byte (byte-by-byte) update output (default "Stop command changes") - Active-low output enable input pin when the pin is high LED outputs can be programmed 0,1 or tri-state (high impedance power-on default) - 6 hardware address pins so that the same I2C devices can be connected to the bus 62 PCA9685 - LED output frequency (all LED) is typically 40Hz to 1000Hz (When the oscillator is 25MHz, the prescaler register default value 1EH will generate refresh rate of 200Hz) - 4 software-programmable I2C bus address (a LED group call (Call) addresses and three LED sub call (Call) address) so that the device can be set in any combination to be addressed at the same time (for example, a register for " all calls (All Call) "then all PCA9634 devices on the I2C bus can be addressed at the same time, while the second register for three different addresses, then the device group on a bus device can 1/3 at the same time be addressed), software can enable and disable I2C bus address - Software reset feature (SWRST Call) makes the device via the I2C bus reset - 25MHz internal oscillator requires no external components - The maximum allowable 50MHz external clock input - An internal power-on reset - In the SDA / SCL inputs with noise filter - Output pin has edge generation rate control - No glitches on power output - Hot-Access - Low Standby Current - Operating voltage range: 2.3V to 5.5V - 5.5V tolerant inputs - It can operate at minus 40 degrees Celsius to 85 degrees Celsius environment - ESD protection exceeds 2000V HBM / JESD22-A114,200V MM / JESD22-A115 and 1000V CDM / JESD22-C101 - JEDEC standard JESD78 into the lock test beyond 100mA Package included: 3 x PCA9685 16 Channel PWM Servo Control Module 3 x Terminal 18 x Pin

Specification: Heatsink Material: Aluminum and copper Blast capacity: 5m^3/h Voltage: DC 5V Current: 0.2A Convolution: 13200RPM Note: Package does not includes the case and transparent case and main board. Package included: 6 x Heatsink 3 x Fan

Buy (Color. Silver)3Pcs Black/Gold/Green/Silver Aluminum Radiator Heat Sink with Back Glue for Raspb... for R189.00