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Adjustable Current LED Driver, DC 3.3V 3.7V 5V LED Driver 30-1500mA Constant Current Adjustable Module for LED 18650 Li-ion

This product is a current regulation integrated circuit operating from an input voltage of 2.8V to 6V, the constant output current can be set up to 1.5A with an external resistor..
It consists of high precision reference voltage, amplifier, current mirror, etc. The on-chip power transistor and current sense block greatly reduce the external component count, which makes this product ideal for LED driver..
When the CE pin is high, the input voltage is greater than 2.8V, and is larger than the LED forward voltage plus the required voltage drop, it functions normally to deliver constant current from the LED pin..
Adopts the temperature regulation instead of temperature protection function, the temperature regulation can make the LED being turned on continuously in case of high ambient temperature or high voltage drop. When the junction temperature reaches about 1.
With e chip enable function, which can shutdown the whole chip to limit the current consumption within 1uA. Adopts the over current protection block. When LED current approaches 1.9A(Typical), the over current protection block begins to function to prevent the LED current from increasing further..

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National Semiconductor LM308N LM308 + Socket - Precision Op Amp (Pack of 2)

Maximum input bias current of 3.0 nA over temperature.
Offset current less than 400 pA over temperature.
Supply current of only 300 μA, even in saturation.

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Cllena DC/DC 12V to 24V Boost Converter 50A 1200W Step Up Voltage Regulator Power Supply Voltage Transformer (Input 10V-16V)

Output current: 50A (rated working current).
High conversion efficiency: The conversion efficiency may reach 95%.
Its dynamic response speed is 5 percent 200US, please lower the power or enhance heat radiation when temperature over 40℃.
Protections: Over-load, Over-current, Over-temperature, Short-circuit, Over-voltage..
Aluminum shell and silicone sealed design: Waterproof, Anti-shock, Anti-humidity and Dust-proof, more durable..
Wide application: Trucks, taxi radio, emu, car audio, LCD TV, advertising screen, LED lights, monitoring system, motors, electronic systems etc..

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FOVAL Power Step Down 220V to 110V Voltage Converter with 4-Port USB International Power Travel Adapter in China UK European Italy Asia etc, More Than 150 Countries Over The World

...ut voltage: AC 110V-120V / 220V-240V.Wide voltage input adjusted automatically to SMPS Model (12V 1A-5A, 12W-60W). As for Model (12V 10A-60A 120W-600W), there is a voltage selector switch located on the side of the switcher is used to set the input voltage to the power supply to either 110V/120V or 220V/230V.Output current depends on the decive, such like 10A 120W, 20A 240W, 30A 360W,and the max current is 50A,power 600W. ..
How to choose: The peak power is 50A,600W. It does not mean it can fit rate power 600W. For motor device, the start current will be much higher that rate power. If use resistive equipment , such like led strips, you can use higher power, such like 40A rated leds will also be OK..
Safe and Stable,Long Service Life:Switching power supply has over/under voltage, over current, over heat protection and fan heat dissipation protection functions.Light and Portable,Easy to Operate: Net weight only 1.2 Kg. Super convenient for devices with clamps. You can clamp to the two cylindrical contacts directly. It is a patent design.( US patent no : D954,647).
Make It Easy : Open circuit on the head, compared with other closed circuits, is easier to use, convenient to meet the wiring needs of various equipment, and more conducive to rebuilding needs.....

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Cllena DC/DC 12V to 24V Boost Converter 20A 480W Step Up Voltage Regulator Module Car Power Supply Voltage Transformer (Input 10V-16V)

Output current: 20A (rated working current).
High conversion efficiency: The conversion efficiency may reach 95%.
Its dynamic response speed is 5 percent 200US, please lower the power or enhance heat radiation when temperature over 40℃.
Protections: Over-load, Over-current, Over-temperature, Short-circuit, Over-voltage..
Aluminum shell and silicone sealed design: Waterproof, Anti-shock, Anti-humidity and Dust-proof, more durable..
Wide application: Trucks, taxi radio, emu, car audio, LCD TV, advertising screen, LED lights, monitoring system, motors, solar power, electronic systems etc..

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RVCAZON 50 Amp Circuit Breaker with Manual Reset Voltage Current Display Circuit Protector for Marine Trolling Motors Boat ATV Manual RV Bus Solar Inverters Power Protect 12V-48Vmax DC Waterproof

Over Current Protection -- When the current exceeds the rated current 50A, the Breaker automatically power OFF, prevents excessive current and stops power surges from damaging Amps..
Over Voltage Protection -- When the voltage exceeds 48V, the Breaker automatically power off..
Current and Voltage Display -- Real-time detection of voltage and current to protect DC current load, Save more detection tools and time..
Breaker Reset -- 1.When the switch automatically power off, first turn off the switch button, and then open again to normal use. 2.The switch has active power off function, press the Breaker button to power off, Protect your battery life..
Wide Application -- Mainly used for RV Yacht Battery Trailer Bus Truck Audio System Solar systems inverters Circuit system Overload Protection, 12V - 48V DC.

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Cllena 3 Socket Cigarette Lighter Splitter 12V Power Outlet Adapter with LED On/Off Switches for Car Rv Truck Marine Boat

Standard Parameter - 3 Sockets, Input voltage: 12V-24V, Output voltage: 12V, Max current: 16 Amp, Wire: 18 AWG, Cable length: 36 inch.
Cigarette Lighter Splitter - 3 Female sockets, A 3-Way cigarette lighter splitter adapter allows you to connect 3 of your 12 volt devices at the same time..
Safety Protection - This heavy-duty cigarette lighter cable uses copper wire to provide stable current for your devices. built-in 16A safe fuse, timely cut off the current to prevent the 12V socket and your devices from over-current, over-voltage, over-load, over-heating and short-circuit..
Durable and Easy to Use - The ON/OFF rocker switch with a led indicator allows you to check the connection status at any time and find it easily in the dark. NOTE: This item is only for charging, not for cigarette!!!.
Wide Application - The 3 cigarette lighter splitter is perfect for your GPS, driving recorder, seat heater, car refrigerator, vacuum cleaner, air purifier and other automotive products. Widely used in station wagons, motor homes, trucks, boats, trailers, pickup trucks, vans..

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Adjustable DC Power Supply (0-30 V 0-5 A) with Output Enable/Disable Button HANMATEK HM305 Mini Variable Switching Digital Bench Power Supply

【Auto Power Calculation】 - Intelligently calculates output voltage and current into power and displays the value on its large screen..
decimal point automatic carry & LED 4 digits display of voltage function displays.current and powe.
The keyboard can be locked to prevent misoperation..
【Output switch control】 - Sometimes we need to switch between different voltage or current outputs, but we often forget to unplug the previous instrument and cause the instrument to burn out.,which often occurs in the maintenance.Output key is designed to solve this problem.By pressing the Output key, the required voltage and current can be adjusted without the actual output power,Which makes this DC power supply more secure and more energy efficient..
【Safe and Reliable to Use】 - Safety is our priority. The built-in fan low arc noise & low ripple,The power supply is durable and compact. Productive work since the power supply comes multiple protection of Over-voltage, over-current, over-power, over-temperature, short-circuit powerful protection function..
【Wide Application】 - Applied in production line test, electrical maintenance, aging products, battery charging, laboratories scientific research and teaching and all other need DC regulated power supply.....

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Bridgold 5pcs LM308N Operational Amplifier Integrated Circuit IC chip Dual in-line

Maximum Input Bias Current of 3.0 nA Over Temperature.
Offset Current Less than 400 pA Over Temperature.
Supply Current of Only 300 μA, even in Saturation.
The product has undergone strict quality inspection and has stable performance..

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