TLP781F(GB-TP7,F)

Transistor, Photovoltaic Output Optoisolators Overview

The Toshiba TLP781F(GB-TP7,F) is a single-channel transistor-output optocoupler featuring a gallium arsenide infrared emitting diode and a silicon photo-transistor. It provides high isolation voltage of 5000Vrms minimum, ensuring safe signal transmission between circuits with different potentials. The device offers a current transfer ratio of 100% minimum for the GB rank, facilitating efficient digital switching. With a collector-emitter breakdown voltage of 80V and low saturation voltage, it supports reliable operation in various controller applications.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe circuit separation
• Standardized current transfer ratio for consistent switching performance
• Low saturation voltage for efficient power handling
• Compact surface-mount package design

Transistor, Photovoltaic Output Optoisolators Applications

• Office equipment control circuits
• Household appliance interface modules
• Solid state relay driver stages
• Switching power supply feedback loops
• Signal transmission between different voltage domains

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific suffix TP7,F corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the GB ranking designation matches the minimum current transfer ratio specifications mandated by the target circuit design requirements before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a compact surface-mount solution is required for galvanic isolation in low-voltage digital interfaces. Ensure the operating temperature range aligns with the environmental conditions of the host system. Consider the maximum forward current limits and thermal dissipation characteristics during PCB layout planning to maintain long-term reliability under continuous load conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP781 series, which utilizes a GaAs IRED paired with a silicon phototransistor. The series is designed for general-purpose isolation tasks where space constraints necessitate surface-mount technology. The TLP781F variant specifically denotes the DIP4 form factor equivalent adapted for surface mounting, maintaining the electrical characteristics of the through-hole version while enabling modern PCB assembly techniques.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include other Toshiba TLP781 variants with compatible pinouts and electrical ratings. Verify that any alternative part number maintains the same isolation voltage rating and current transfer ratio rank to ensure functional equivalence in existing designs without requiring schematic modifications.