10 Best Optocouplers In The Us - Black Friday 2024
Best Choice1
IS5 PCS Optocoupler Isolation Board, Icstation DC 12V Optocoupler Isolation Module EL817 1 Channel Opto PNP NPN Signal Converter, Isolator High-Level Trigger 80KHz
Main highlights- 【Signal Voltage】Positive phase amplification with high-level trigger. Output equals input.
- 【Relay Switch Module】5pcs 1-channel photocoupler isolator with stable performance, triggered by DC 12V and 1mA current.
- 【Level Converter】Opto-isolators can be used as level converters (NPN-PNP, PNP-NPN), signal input to MCU in isolation, or MCU-controlled device output in isolation.
- 【Functional Application】Devices for microprocessor Input/Output switching, DC/AC power control, communications equipment protection, and power supply regulation.
- 【Control Transformer】Optocoupler isolation board provide isolation between low and high-voltage circuits when used with other electronic devices.
9.8Exceptional
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Value for Money2
DONGKERDONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module
Main highlights- Support DC 3.3V~5V Input.
- Optocoupler isolation control.
- NPN / PNP (Low/High level) signal output.
- DC 1.8V-24V load voltage.
- 8-Channel input and output.
9.6Exceptional
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3
BOJACKBOJACK PC817 OPTOCOUPLER DIP Installation PC817C 2.54 mm Pitch 4-pin DIP-4 (Pack of 50 pcs)
Main highlights- Photocoupler output type: phototransistor
- Package quantity: 50 pieces, packed in a durable and resealable plastic storage box.
- Number of pins: 4
- Needle distance: 2.54mm
- Application: PC817 photocoupler is widely used in computer terminals, SCR system equipment, measuring instruments, photocopiers, automatic ticketing, household appliances
9.4Excellent
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4
Shutao3PCS PC817 4 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module
Main highlights- PC817 module jumper cap can achieve output port is high potential or pull down output
- Onboard 4 channel 817 are independent: can achieve different voltage control at then same time
- If it is a pulse signal, please note that the limit of 817 is below 3KHZ. If the control signal is greater than 3KHZ, please do not use this module, it will not work properly.
- 4-way 817 optocoupler driving port signal voltage:3.3-24V; Output voltage range: 3.6-30V(The output current depends on the specific situation but not over 10MA. When the total power is fixed, the voltage and current are inversely proportional)
- 4 way 817 optocoupler to achieve the control signal and the control signal isolation, you can directly use the microcontroller or other devices IO port to achieve voltage isolation control, you can achieve a small voltage control, the control side can be an external transistor MOS tube or different voltage levels Of the device interface
9.2Excellent
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5
AlinanAlinan 4pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
Main highlights- ★Through the jumper cap can achieve whether the output is high potential output or low output.The 4th and 817 on the board are independent, which can realize simultaneous control of different voltages, etc.
- ★Photoelectric isolation has strong anti-interference ability. Can drive big behindPower triodes, MOS tubes, etc., where high voltage driving is required, can also directly drive low power 24V relays.
- ★If it is a pulse signal, please note that the limit of 817 is below 4KHZ. If the control signal is greater than 4KHZ, please do not use this module, it will not work properly.
- ★Driving Port Signal Voltage: 3.6-24V; Output Port Voltage Port: 3.6-30V
- ★Can realize 3.3V or 5V to control the interface of 3.6-30V voltage . After the control terminal is turned on, the controlled terminal will also be turned on.
9.1Excellent
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6
Major BrandsMajor Brands 4N35 Optocoupler, DC Input 1 Channel Trans with Base DC Output, 100% Transfer Ratio, 6-Pin, PDIP, 1.2V, 4 mm H x 7 mm W x 7.62 mm L (Pack of 20)
Main highlights- Power: 200Mw
- 6 pin
- 1.5 volts
- 1 channel
9.0Excellent
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7
GikfunGikfun OPTOCOUPLER DIP-4 PC817C PC817 for Arduino DIY (Pack of 20pcs) AE1143
Main highlights- Used widely in computer terminals, system appliances, measuring instruments, registers, copiers, automatic vending machines etc
- Pin Pitch: 2.54mm
- Optocoupler Output Type: optical transistor
- Number of Pin: 4
- Gikfun Packing 20pcs OPTOCOUPLER DIP-4 PC817C PC817
8.8Very Good
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8
ALLECINALLECIN PC817 PC817C Transistor Output Optocoupler DIP-4 2.54mm Pitch for DIY (Pack of 50pcs)
Main highlights- Widely Application: computer terminals & SCR system equipment & measuring instruments & photocopiers & automatic ticketing & household appliances.
- Number of Pin: 4; Pin Pitch: 2.54mm.
- Humanized packaging for easy storage and use. ### Please confirm the data before purchasing.
- Features: High isolation voltage between input and output & Double transfer mold package.
- ALLECIN PC817 is a Single-channel dual inline package photocoupler- Perfectly suitable for variety electronic experiments.
8.6Very Good
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9
HiLetgoHiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board
Main highlights- TLP281 4 Channel Optical Coupler Isolation Module
- PCB Size: 25mm x 26mm
- Connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system
- A normal LED opto-isolator will invert the logic of a signal
- A higher voltage than the TTL logic on the (3.3V or 5V) micro
8.5Good
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10
JHCBKFFJHCBKFF 4Pcs PC817 4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
Main highlights- This module can realize 3.3V or 5V control the interface of 3.6-30V voltage level.After the control terminal is turned on, the controlled terminal will also be turned on.Voltage conversion,and can realize to drive a high level from a low level
- PC817 Optocoupler Isolation module adopts 5.0mm pitch screw terminals for easy wiring . The module can play the role of isolation when the output level of the single-chip microcomputer drives the inductive devices such as motors and motors, and protect part of the circuit of the single-chip microcomputer against interference
- Optocoupler optoisolator has strong anti-interference ability, it can drive high power transistors, MOS tubes and other occasions that require high voltage drive, and it can also directly drive low power 24V relay work
- If it is a pulse signal, please note that the limit of 817 is below 3KHZ. If the control signal is greater than 3KHZ, please do not use this module, it will not work properly
- 4Pcs 4 channel optocoupler isolation board,the onboard are independent,can achieve different voltage control at then same time.Driving Port Signal Voltage: 3.6-24V; Output Port Voltage Port: 3.6-30V
8.3Good
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