PC817X7

Transistor, Photovoltaic Output Optoisolators Overview

The PC817X7 is a single-channel transistor output optocoupler manufactured by Sharp Microelectronics. It integrates an infrared emitting diode and a phototransistor within a compact package to provide electrical isolation between input and output circuits. Key electrical specifications include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a minimum current transfer ratio of 50% at 5 mA forward current. The device offers an insulation voltage of 5000 Vrms and operates within a temperature range of -30°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using infrared LED and phototransistor technology.
• Designed for digital logic transmission, impedance transformation, and circuit-to-circuit isolation.
• Features a robust phototransistor output capable of handling significant collector currents.

Transistor, Photovoltaic Output Optoisolators Applications

• Digital logic signal transmission and level shifting
• Power supply control and switching circuits
• Electrical isolation between systems and subsystems

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., NSZ) against the datasheet to confirm pinout and packaging details. Confirm RoHS compliance status as it varies by manufacturing batch. Check for obsolescence notices, as the broader PC817X family has faced discontinuation risks. Ensure the supplier provides valid traceability documentation for industrial applications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is required in a small footprint. Compare the 5000 Vrms insulation rating against system safety standards. Evaluate the 50% minimum CTR for low-light sensitivity requirements. Consider the DIP-4 package constraints for PCB layout compared to surface-mount alternatives like the SMD-4 variants.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the PC817X series of transistor output optocouplers from Sharp Microelectronics. The series is widely recognized for general-purpose isolation tasks. The PC817X7 specifically denotes a variant often packaged in a 4-DIP configuration, distinguishing it from surface-mount versions like the PC817X1NIP1B or other sub-models within the same functional family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitutes include LTV-816 from Lite-On. Verify pin compatibility and electrical parameter equivalence before substitution.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum collector-emitter voltage for the PC817X7?

The maximum collector-emitter voltage is 80 V.

Does the PC817X7 support surface mount installation?

The standard PC817X7 designation typically refers to the through-hole DIP-4 package. Surface mount equivalents exist under different suffixes such as PC817X1NIP1B.