TLP321-4X

Transistor, Photovoltaic Output Optoisolators Overview

The TLP321-4X is a quad-channel photovoltaic optocoupler manufactured by Isocom Components 2004 LTD. It features four independent channels within a single 16-pin DIP package, providing electrical isolation between input and output circuits. The device utilizes a photovoltaic output configuration, delivering high isolation voltage capabilities of 5300Vrms. Key electrical parameters include a maximum DC forward current (If) of 50 mA and a typical forward voltage (Vf) of 1.15 V. The unit operates reliably across an extended temperature range from -55°C to 100°C, ensuring stability in demanding industrial environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel architecture for multi-circuit isolation
• Photovoltaic output type for zero-bias operation
• High isolation voltage rating for safety compliance
• Extended operating temperature range for harsh conditions

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply protection circuits
• Data communication interfaces
• Medical equipment isolation barriers

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official datasheets to confirm pinout compatibility and packaging variations. Ensure that the procurement source provides authentic documentation from Isocom Components 2004 LTD or authorized distributors. Cross-reference the part number with updated regulatory certifications such as UL standards before finalizing orders to guarantee compliance with current safety requirements.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact form factor. The photovoltaic output is suitable for applications needing low leakage current and zero bias voltage at the output. Consider the 16-pin DIP package for through-hole mounting convenience. Evaluate the 5300Vrms isolation rating against the system's voltage stress requirements to ensure adequate safety margins.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the TLP321 series of photovoltaic optocouplers. It serves as a replacement for legacy components in existing designs requiring quad-channel isolation. The series is known for its reliability in industrial and commercial applications. Isocom Components positions these devices as alternatives to discontinued parts from other manufacturers, maintaining standard pinouts and electrical characteristics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check pin-to-pin compatibility with original design specifications. Verify that the replacement maintains the same isolation voltage and channel count. Confirm that the photovoltaic output characteristics match the load requirements of the receiving circuitry.