Categories

Best Constant Current Source

PIPIZHU T10 Led Bulb Performance 12 Volt Replacement 921 Wedge LED Bulb, 400lm Dome Light Fixture for RV Camper Trailer Motorhome 5th Wheel and Marine Boat 6000K White(4 Pack)

  • 【Wide Use】Specially designed for 40W 50W T10/921 halogen replacement. Also compatible with T10 T15 W16W 904 912 916 917 920 922. Great for heating your RV camper. AC 12V (non-dimmable)..
  • 【Practicality and Durability】360°beam angle light source, the bottom ceramic material design makes heat dissipation better, built-in constant current IC shell circuit design, can withstand power fluctuations, lifespan up to 30,000 hours, can reduce the frequency of bulb replacement to reduce​maintenance cost..
  • 【Low energy consumption】4 watts reaches 400lm, which is equivalent to 40 watts of halogen bulbs, providing you with a brighter and natural white 6000K..
  • 【High Quality Lighting】No flicker, no hum, no radio or TV interference. Built-in constant current IC circuit can withstand power fluctuations and ensure long life of LED chips..
Check Stock

uxcell COB LED Chip 600mA 1W Strip Light Lamp Pure White High Power 50mmx8mm Luminous Surface for Floodlight

  • Color Temperature:Pure white(6000-6500K).
  • Made of material, Long service life, low consumption, high brightness..
  • This LED chip needs a heatsink for cooling before power on. Apply thermal grease evenly on the bottom of the light source and the contact surface of the heatsink when installation..
  • Widely used in the replacement of LED downlights, track lights, floodlights, flashlights, stage lights..
  • Note: This LED chip is used with constant current LED driver power supply, and cannot be directly powered by batteries or constant voltage power supply (switching power supply)..
Check Stock

uxcell COB LED Strip Light Lamp Chip 300mA 4W Pure White High Power 100mmx8mm Luminous Surface for Floodlight

  • Color Temperature:Pure white(6000-6500K).
  • Made of material, Long service life, low consumption, high brightness..
  • This LED chip needs a heatsink for cooling before power on. Apply thermal grease evenly on the bottom of the light source and the contact surface of the heatsink when installation..
  • Widely used in the replacement of LED downlights, track lights, floodlights, flashlights, stage lights..
  • Note: This LED chip is used with constant current LED driver power supply, and cannot be directly powered by batteries or constant voltage power supply (switching power supply)..
Check Stock

uxcell COB LED Chip 300mA 3W Strip Light Lamp Pure White High Power 100mmx9mm Luminous Surface for Floodlight

  • Color Temperature:Pure white(6000-6500K).
  • Made of material, Long service life, low consumption, high brightness..
  • This LED chip needs a heatsink for cooling before power on. Apply thermal grease evenly on the bottom of the light source and the contact surface of the heatsink when installation..
  • Widely used in the replacement of LED downlights, track lights, floodlights, flashlights, stage lights..
  • Note: This LED chip is used with constant current LED driver power supply, and cannot be directly powered by batteries or constant voltage power supply (switching power supply)..
Check Stock

DC Buck Converter, DROK DC to DC Step Down Power Supply Module 10V-65V to 0-60V 0-12A Adjustable Voltage Regulator Transformer Board with LED Display for Volt Reducer

  • Output current range is 0-12A, can be arbitrary adjustable.
  • 【LED Display】This power supply module is designed with LED display, which can show real-time voltage, current, capacity and time..
  • 【Constant Current and Voltage with Indicator Lights】This volt transformer board can set constant output voltage and constant output current by the key buttons. Also, the module is equipped with working status indicator lights, which are output OUT, constant voltage CV and constant current CC respectively, so that the working status can be checked in real time..
  • 【Auto Output and Button Lock Mode】Automatic output can be set after power on. And The parameter adjustment button can be locked to prevent misoperation to adjust the output voltage and current parameters..
  • 【Cooling fan and cooling pad】This adjustable power supply converter is equipped with cooling fan and cooling pad which can keep it cool when it’s too hot..
Check Stock

Power Supply, DPS3005 /DPS5005 Communication Version Bucks Power Supply Step-Down Voltage Converter(DPS3005-USB-BT)

  • The constant voltage and constant current programmable control power supply module put the collection of analog integration and digital control functions in one.DPS3005 /DPS5005 have same functions, only the technical parameters are different,for example, voltage, current ,etc.
  • This module has power-down stored function and can store 10 groups preset value.And it also has the function of extracting quickly two groups stored value. Though this module has reverse connection protection and output short circuit protection, you can muse be in strict accordance with connection description to connect. If you connect the supply power with output, the module will be burnt.
  • Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required. This module has many advantages, small size, advanced function, good visual effect, high operability, high-precision, being used independently, being inset into the device and been widely applied.
  • LCD display on the module has the function digital voltmeter and ammeter.You can view the preset voltage, input voltage, output voltage, the preset current, output current, output power, etc.
  • On the setting data interface, you can adjust over-voltage value, over-current value, o....
Check Stock

Diymore DP50V5A Step-Down Module DC 6-55V to 0-50V 5A Digital Adjustable Programmable Regulated Power Supply Buck Converter with LCD Display

  • The output voltage is adjustable from 0V-50.00V, the output current is adjustable from 0-5.000A..
  • The module can storage 10 groups of preset value and it can quickly extract 2 groups of preset value..
  • This constant voltage and constant current programmable control power supply module makes analog integration and digital control functions combined in one..
  • In the output state display area, it is convenient for you to know whether the output works, constant voltage/current output state, current data group extracted, etc..
  • With LCD display and the function of voltage and current meter, you can view the preset voltage, input voltage, output voltage, preset current, output current, output power, etc. With advanced functions, high accuracy, wide application, the item is really practical..
Check Stock

DROK Voltage Boost Converter, DC 6-30V 5V Step Up to DC 7-32V 12V 24V 5A Adjustable Volt Regulator, LCD Power Supply Module Voltage Current Amp Display Transformer Circuit Board with Case

  • ...ital LCD display on which shows both voltage and current value simultaneously. Which is easy to read and can help the user easily monitor the output voltage, then largely enjoy their DIY work..
  • General Application --- This voltage step up converter can be used as ordinary step-up module with over-current protection, constant current LED driver module.
  • Features --- Constant current/voltage mode.
  • Input reverse connection protection. You can find the PDF Instructions on this page -- Product information -- Product guides and documents -- User Manual [PDF]..
  • NOTE --- 1). Constant current adjustable means that CC mode only works when the actual load output current is greater than the setting one, otherwise it will work in a constant voltage state, not the current is adjusted to 2A, then it will become 2A for any load being connected. And if the CC value to be adjusted is small, adjust “ADJ-I” counterclockwise a few more times to change. 2). The case is packaged disassembly to avoid damage during transit. It needs to be manually installed..
Check Stock

DROK DC 24V to 12V CC CV Step Down Volts Regulator Constant Current Voltage 8A DC Adjustable Buck Converter 7-40V to 1.2-35V LED Driver Charger Module with Charging Indicator Solar Power Supply DIY

  • Module Properties: non-isolated step-down constant current , constant voltage module (CC CV) charging module.
  • Output voltage :DC 1.2-35V continuously adjustable.
  • Output Current: 8A ( when power tube's temperature exceeds 65 degrees, please add cooling fan ).
  • Constant current range :0.2-8A ( adjustable ).
  • Input 24V Output 12V 5A ripple around 50mV ( excluding noise ).
  • Application: High-power LED constant current driver, rechargeable lithium batteries (including ferroelectric), 4V, 6V, 12V, 14V, 24V rechargeable batteries, nickel-cadmium nickel-metal hydride batteries (battery pack) charging, solar panels, wind turbines.
Check Stock

yxsian69g 2Pcs/Set LED Headlamp Bulb Energy Saving Plug and Play Useful Super Bright LED Headlamp Bulb H4

  • ☀(2pcs/set)H7 Bridgelux COB Hi-Lo Beam LED headlight conversion kit.
  • ☀Engineering beam pattern design throw more light on road evenly at appropriate angle without foggy light.
  • ☀Built-in constant current CPU, instant full brightness without start-up relay.
  • ☀Latest Bridgelux COB chip (USA) light source,3 luminous faces(470/360 degree) no blind zone.
Check Stock

ACEIRMC 3pcs 20A 300W CC CV Step Down Module Adjustable DC 6-40V to 1.2-36V Voltage Regulator Buck Converter Constant Current Power Supply Module

  • Aceirmc buck converter input voltage range is DC 6-40V, adjustable output voltage range is DC 1.2-36V, can be used to convert 24v to 12v 5v, adjustable output current range is 0-20A, max output power is 300W. The step down regulator can apply to constant output current..
  • With a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current. The efficiency can be up to 95%,(measured at 20A, converting 24V to 12V)..
  • Short Circuit Protection: Self-recovery(cannot short circuit for long time). Plus, when input and output is common grounded, no-load CV output constant voltage,CC output constant current.
  • Adopting 75V / 80A large current dual MOS tube designed step-down board, Input and output use high frequency low resistance electrolytic capacitor, low ripple, and gives a stable output. Large current 30A connection screw terminals, more convenient to install.
  • Application: DIY stabilized voltage supply, LED car display, mobile power, industrial equipment appliances, LED driver, monitor, solar energy, fans, photovoltaic energy, motor, etc....
Check Stock

DEVMO DP20V2A Constant Voltage Constant Current Programmable Control Step-Down Supply Power Module

  • The constant voltage and constant current programmable control power supply module is cabinet and delicate, and it put the collection of analog integration and digital control functions in one..
  • Its adjustable output voltage range is 0-20.0V, step by 0.1V. Its adjustable output current range is 0-2.00A, step by 0.01A..
  • The constant voltage and constant current programmable control power supply module is cabinet and delicate, and it put the collection of analog integration and digital control functions in one. Its adjustable output voltage range is 0-20.0V, step by 0.1V. Its adjustable output current range is 0-2.00A, step by 0.01A. Boot voltages can be stored freely and the model has two groups of quick storage voltage. Compared with the traditional analog power supply, it is more convenient to quickly extrac.
  • Adjusting preset voltage:Pressing SET button, page down to U-SET, press the codding potentiometer, then enter toadjustnumeric value. Press codding potentiometer in turn to choose the numeric value you want to adjust. Turn codding potentiometer to adjust the numeric value. If you want toexit adjusting voltage, press shortly SET. In the process of adjusting preset voltage, if you open output voltage mode by pressing the ON/OFF, the output voltage wi....
Check Stock

UCTRONICS Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply Constant Voltage Current Buck Power Converter Power Supply Adjustable Module

  • UCTRONICS Variable Bench Power Supply DSP5005 - Buck Converter DC 6-55V to 0-50V 5A Precision Digital Adjustable Step Down - Constant Voltage and Current, 10 Preset Settings Switchable: This power supply combines digital control with analog integration. Its output range: Voltage is 0-50.00V, step by 0.01V.
  • This step down voltage regulator can store M0-M9 10 groups preset value when power-down. Keep pressing M1 or M2 more than 2s, the corresponding data group will be extracted and displayed on the right of the screen.
  • The 1.44 in colorful LCD monitor can display the preset voltage, input voltage, output voltage, the preset current, output current, output power at the same time. On the output state remind area, you can monitor that the key is locked or not, output is normal or not, the state of constant voltage and constant current, the current data set prompt and output opens or not.
  • There are four button-"M1", "M2", "SET" and "ON/OFF", and a coding potentiometer. Can be used for to set the output voltage and output current on the main display interface, set the data on the data setting interface, set the protection value, adjust the brightness of screen, extract Shortcut storage data group M1 or M2, etc..
Check Stock