PC852X

Transistor, Photovoltaic Output Optoisolators Overview

The PC852X is a transistor output optocoupler manufactured by Sharp Microelectronics. It features a Darlington phototransistor output configuration housed in a 4-DIP package with a 7.62mm pin spacing. The device provides high isolation voltage of 5000 Vrms and supports a maximum collector-emitter voltage of 350 V. Key electrical parameters include a forward current of 50 mA, forward voltage of 1.4 V, and maximum collector current of 4 mA. Power dissipation is rated at 200 mW, with an operating temperature range from -25°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Darlington phototransistor output for high current transfer ratio
• High isolation voltage capability for safety-critical applications
• Wide operating temperature range suitable for industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Signal transmission across isolated grounds

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code on the component marking to confirm package type and compliance status. Confirm availability as this part may be obsolete or subject to long lead times. Check datasheet revisions for any changes in mechanical dimensions or electrical limits before finalizing design integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high gain and fast switching are not primary requirements but high isolation voltage is critical. Consider thermal management due to power dissipation limits. Ensure input current does not exceed 50 mA to prevent LED degradation. Verify that the 4mA collector current meets load requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

The PC852X belongs to Sharp's PC85x series of optocouplers, which are designed for general-purpose isolation applications. This series typically includes variants with different output configurations such as single transistors or Darlington pairs. The PC852X specifically utilizes a Darlington structure to achieve higher current transfer ratios compared to standard transistor outputs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The PC852X is listed as obsolete. Potential substitutes include the FOD852 from onsemi. Verify pinout compatibility and electrical specifications against the original design requirements before substitution.