PC817X7NIP1B this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PC817X7NIP1B price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PC817X7NIP1B to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.
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Capabilities of the PC817X7NIP1B
- Electrical Insulation: It is primarily used to provide electrical isolation between parts of a circuit, which is crucial for safety and circuit integrity.
- Optical Transmission: This component uses a light-emitting diode (LED) and a phototransistor to transmit signals optically, thereby avoiding direct electrical connection.
- Key Specifications: The PC817X7NIP1B typically operates within a range of 5V to 35V, and the forward current for the LED is usually around 50mA.
Usage Contexts
- Isolation in Power Supplies: It is commonly used in power supply circuits to isolate control circuitry from high voltages.
- Interfacing with Microcontrollers: An ideal choice for connecting microcontrollers to high-power or noisy environments while keeping the microcontroller circuitry safe.
Circuit Design: Power Supply Isolation
The following is a detailed application of the PC817X7NIP1B in isolating a power supply circuit:
1. Design Purpose
- Goal: To isolate a low-voltage control circuit from a high-voltage power supply.
2. Input Side Arrangement
- Control Circuit to Optocoupler: Connect a control signal from the low-voltage circuit to the anode of the PC817X7NIP1B's internal LED, through a current-limiting resistor. Attach the cathode to the ground.
3. Output Side Setup
- Optocoupler to Power Supply Control: The phototransistor of the PC817X7NIP1B connects to the control mechanism of the power supply. The emitter is connected to the control input, while the collector is connected to a source of positive voltage.
4. Considerations in Circuitry
- Selection of Resistor: Critical for controlling the LED's current. Its value depends on the control circuit's output voltage and the LED's forward voltage and current.
- Power Supply Compatibility: Ensure the power supply's control input is compatible with the output characteristics of the phototransistor.
- Isolation Voltage Rating: The PC817X7NIP1B's isolation voltage rating should be sufficient for the application to prevent voltage spikes from damaging the control circuit.
In this application, the PC817X7NIP1B acts as a vital barrier, allowing a low-voltage control circuit to safely interface with a high-voltage power supply. Designing with this optocoupler demands a thorough understanding of both the input and output circuit requirements to ensure effective performance and protection. This highlights the optocoupler's role as a critical component in modern electronics design, especially in applications requiring electrical isolation.
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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of PC817X7NIP1B.
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