PC817 4-Channel Optocoupler Isolation Board

Specifications:

Optocoupler Type: PC817
Channels: 4
Isolation Voltage: Up to 5,000V
Input Forward Voltage (IF): 1.2V to 1.4V (typical)
Output Collector-Emitter Voltage (VCE): 50V (maximum)
Output Current (IC): 50mA (maximum)
Operating Temperature Range: -25°C to +85°C

Special Features:

Electrical Isolation: Provides up to 5,000V isolation between input and output, protecting sensitive circuits from high voltages.
Multiple Channels: Includes four optocouplers in one board for controlling multiple signals independently.
Compact Design: Space-efficient layout for easy integration into various electronic projects.
Built-in LEDs: Each channel contains an LED and phototransistor for signal transmission and isolation.

Original price was: ৳ 350.00.Current price is: ৳ 270.00.

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Specification

Overview

Wiring Connections:

Input Connections:
- Anode (A): Connect to the positive side of the input signal (one for each channel).
- Cathode (K): Connect to the negative side of the input signal (one for each channel).
Output Connections:
- Collector (C): Connect to the output load (one for each channel).
- Emitter (E): Connect to the ground of the output circuit (one for each channel).
Power Connections:
- Input Side: Connect to the control circuit providing the input signal.
- Output Side: Connect to the output circuit that receives the isolated signal.

Power:

Input Side Power: requires a DC voltage of 5V to 12V to drive the LEDs within the optocouplers.
Output Side Power: Depends on the load connected to the collector and emitter; ensure it falls within the output specifications.

Input and Output:

Input:
- Signal Control: Each optocoupler channel receives an input signal through the anode and cathode.
Output:
- Isolated Signal: The output provides a signal from the collector and emitter of the phototransistor, isolated from the input side.

Physical Characteristics:

Board Size: Compact, around 50mm x 50mm, depending on the manufacturer.
Mounting: Standard PCB mounting with solderable pads for easy integration into projects.
Connector Type: Screw terminals or solder pads for secure connections.

Technical Specifications:

LED Forward Voltage: 1.2V to 1.4V (typical)
LED Forward Current: 20mA (recommended for optimal performance)
Phototransistor Collector-Emitter Voltage: 50V (maximum)
Phototransistor Current: 50mA (maximum)
Isolation Resistance: 10^11 ohms (minimum)

Additional Features:

Signal Isolation: Protects sensitive components from noise and high voltages by isolating control and power circuits.
Low Power Consumption: Efficient design with minimal power consumption for both input and output sides.
Versatility: Suitable for a wide range of applications including signal switching, interfacing with microcontrollers, and more.

How to Use:

Connect Input:
- Identify Channels: Locate the anode and cathode pins for each of the four channels on the board.
- Connect Anode: Attach the anode pin of each channel to the positive side of the input signal.
- Connect Cathode: Attach the cathode pin of each channel to the negative side of the input signal.
Connect Output:
- Connect Collector: Attach the collector pin of each channel to the load or device that will receive the isolated signal.
- Connect Emitter: Attach the emitter pin of each channel to the ground of the output circuit.
Apply Power:
- Input Power: Ensure the input side of the board is powered with a DC voltage of 5V to 12V to drive the LEDs.
- Output Power: Ensure the output circuit is powered appropriately for the connected load.
Test Operation:
- Verify Isolation: Check that the input signal is successfully isolated and transferred to the output side.
- Monitor Performance: Ensure the optocouplers are operating within their specified voltage and current ratings.

The PC817 4-Channel Optocoupler Isolation Board is a versatile component ideal for protecting sensitive electronics and interfacing different circuits. Its compact design and multiple channels make it a valuable tool for various electronic and automation projects.