IL252

Transistor, Photovoltaic Output Optoisolators Overview

The IL252 is a single-channel optocoupler featuring an AC input and a phototransistor output with base connection. It provides high isolation voltage of 5300Vrms, suitable for demanding industrial applications. The device supports DC and AC input signals, with a minimum current transfer ratio of 100% at 10mA forward current. Key electrical parameters include a maximum collector-emitter voltage of 30V, forward voltage of 1.2V typical, and saturation voltage of 400mV max. Operating temperature range spans from -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• AC input capability allows direct coupling without external rectification
• Phototransistor output includes base connection for improved switching speed
• High isolation voltage ensures safety in high-voltage environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring AC signal isolation
• Power supply feedback loops
• Solid-state relay driver circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized Vishay distributors. Confirm package variant matches application requirements, as surface mount and through-hole versions exist within the IL252 family. Check datasheet revisions for updated thermal and electrical specifications before final design approval.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select based on required isolation voltage and input signal type. The AC input feature distinguishes this part from standard DC-only optocouplers. Ensure base pin accessibility is needed for speed optimization. Verify operating temperature range meets environmental conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

The IL252 belongs to Vishay’s IL250/IL252 series of phototransistor output optocouplers. This series is designed for applications requiring robust isolation and AC input compatibility. The IL252 specifically targets markets needing reliable signal transmission across high potential barriers with enhanced switching performance due to its base-connected transistor structure.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

H11AA1SR2VM and H11AA4SR2VM are listed as similar alternatives by distributors. Verify pinout compatibility and electrical parameter margins before substitution. These onsemi parts offer comparable functionality but may differ in packaging or specific rating limits.