TLP785(GB,F)

Transistor, Photovoltaic Output Optoisolators Overview

The TLP785(GB,F) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a gallium arsenide infrared emitting diode with a silicon phototransistor in a four-lead plastic DIP-4 package. The device features a minimum isolation voltage of 5000 Vrms and a collector-emitter voltage rating of 80 V. The standard current transfer ratio (CTR) ranges from 50% to 600%, while the GB rank variant guarantees a minimum CTR of 100%. Electrical characteristics include a maximum forward current of 60 mA, a typical rise time of 2 µs, and a typical fall time of 3 µs. The component supports an operating temperature range from -55°C to +110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High electrical isolation capability with a minimum breakdown voltage of 5000 Vrms between input and output circuits.
• Wide current transfer ratio range ensuring reliable signal transmission across varying conditions.
• Robust safety certifications including UL 1577 recognition and VDE approval for international compliance.

Transistor, Photovoltaic Output Optoisolators Applications

• Solid state relays
• Switching power supplies
• Signal transmission between different voltage circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation when ordering, as it determines the packaging format and pin configuration. Confirm that the required current transfer ratio grade matches the application needs, particularly if utilizing the GB rank for higher gain specifications. Ensure the selected variant aligns with the intended mounting method, whether through-hole or surface mount with extended creepage distance.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications requiring high-voltage isolation and moderate switching speeds. The wide CTR range accommodates various drive currents, though the GB rank is necessary for designs demanding higher minimum gain. Consider the physical dimensions and pin spacing when designing the PCB layout, especially if opting for the long creepage version to meet strict safety clearance requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the TLP785 series of transistor output optocouplers produced by Toshiba Semiconductor and Storage. The series includes variants with different pin configurations and packaging options to suit diverse assembly requirements. The TLP785(GB,F) specifically denotes a unit with guaranteed high current transfer ratio performance within the standard DIP-4 form factor.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

TLP7852 and TLP7852A are documented as upgraded alternatives offering faster switching speeds. Verify pin compatibility and isolation voltage ratings before substitution.