TLP385(D4GH-TR,E

Transistor, Photovoltaic Output Optoisolators Overview

The TLP385(D4GH-TR,E is a transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a Gallium Arsenide infrared emitting diode with a phototransistor in a compact 6-SO (4-pin) surface-mount package. The device provides high isolation voltage of 5000Vrms, ensuring robust signal transmission between isolated circuits. Key electrical parameters include a collector-emitter voltage of 80V minimum, a DC forward current maximum of 50mA, and a typical forward voltage of 1.25V. The GH rank specifies a current transfer ratio range of 200% to 600% at a forward current of 5mA. Switching characteristics feature typical turn-on and turn-off times of 3µs each, with rise and fall times of 2µs and 3µs respectively. The unit operates within a temperature range of -55°C to 110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability of 5000Vrms for safe circuit separation
• Compact 6-SO surface-mount package suitable for high-density mounting
• Fast switching performance with typical 3µs response times
• Wide operating temperature range from -55°C to 110°C

Transistor, Photovoltaic Output Optoisolators Applications

• Programmable Logic Controllers (PLCs)
• AC Adapters
• I/O Interface Boards

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix TR indicates tape and reel packaging when ordering. Confirm the GH ranking requirement for current transfer ratio specifications against design needs. Check RoHS compliance status via official datasheets. Ensure ESD handling procedures are followed during assembly due to the sensitive internal LED structure. Validate pinout compatibility with existing PCB footprints before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required in space-constrained designs. The GH rank offers higher current transfer ratio than standard variants, beneficial for driving loads with limited input current. Consider the 6-SO package dimensions for board layout constraints. Evaluate thermal management requirements given the wide operating temperature range. Compare switching speeds against system timing requirements to ensure adequate performance margins.

Transistor, Photovoltaic Output Optoisolators Part Context

The TLP385 series represents Toshiba's high-isolation photocouplers designed for industrial applications. This model belongs to the transistor output category, utilizing GaAs infrared technology for efficient optical coupling. The D4GH-TR variant specifically denotes the GH binning for enhanced CTR performance and tape-and-reel packaging for automated assembly. It serves as a reliable interface solution between low-voltage control logic and higher-voltage power stages.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

TLP385(BL,E and TLP385(GR,E are documented substitutes within the same family. Verify that alternative ranks meet the minimum current transfer ratio requirements of the original design. Confirm identical package dimensions and pin configurations to ensure mechanical compatibility. Review switching time specifications to maintain signal integrity in high-speed applications.