HCPL3700V

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL3700V is a logic output optocoupler from onsemi featuring a Darlington transistor output and a single channel. It operates within a temperature range of -40°C to +85°C and utilizes an SMD-8 package for surface mount installation. Key electrical parameters include a maximum continuous output current of 30 mA, an isolation voltage of 2500 Vrms, and a power dissipation of 305 mW. The device exhibits a typical forward voltage of 650 mV at a forward current of 4.4 mA. Timing characteristics specify a rise time of 45 µs, a fall time of 500 ns, and a maximum propagation delay of 40 µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a threshold sensing input buffer IC with an AlGaAs LED for voltage or current detection applications
• Provides high-gain Darlington configuration output compatible with TTL and CMOS logic levels
• Offers flexible threshold level adjustment via a single external resistor across wide input voltage ranges

Transistor, Photovoltaic Output Optoisolators Applications

• Low voltage detection circuits
• AC/DC voltage monitoring in the 5V to 240V range
• Relay contact status monitoring
• Current sensing interfaces
• Microprocessor system interfacing

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm RoHS compliance status and check for end-of-life notices, as this part may be subject to discontinuation. Ensure the specific suffix matches required packaging and thermal specifications before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when programmable voltage thresholds and AC/DC input compatibility are required. The integrated buffer simplifies circuit design by eliminating external comparator requirements. Verify that the 2500 Vrms isolation rating meets safety standards for the target application environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL3700 series of voltage/current threshold detection optocouplers. It combines an aluminum gallium arsenide light-emitting diode with a specialized input buffer integrated circuit. The series is designed for industrial control systems requiring reliable signal isolation with adjustable sensitivity thresholds.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL3700M: Pin-compatible alternative with similar functionality but potentially different operating temperature range or packaging.