TLP185(GB,E)

Description：OPTOISO 3.75KV 1CH TRANS 6-SOP
Series：-
Mfr：Toshiba Semiconductor and Storage
Package：Tube

SKU:6b7b9e0c00bc Category: Transistor, Photovoltaic Output Optoisolators Brand: Toshiba Semiconductor and Storage

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Product introduction

Product Detailed Parameters

Description：OPTOISO 3.75KV 1CH TRANS 6-SOP
Series：-
Mfr：Toshiba Semiconductor and Storage
Package：Tube
Number of Channels：1
Voltage - Isolation：3750Vrms
Current Transfer Ratio (Min)：100% @ 5mA
Current Transfer Ratio (Max)：400% @ 5mA
Turn On / Turn Off Time (Typ)：9µs, 9µs
Rise / Fall Time (Typ)：5µs, 9µs
Input Type：DC
Output Type：Transistor
Voltage - Output (Max)：80V
Current - Output / Channel：50mA
Voltage - Forward (Vf) (Typ)：1.25V
Current - DC Forward (If) (Max)：50 mA
Vce Saturation (Max)：300mV
Operating Temperature：-55°C ~ 110°C
Mounting Type：Surface Mount
Package / Case：6-SOIC (0.173", 4.40mm Width), 4 Leads
Supplier Device Package：6-SOP

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TLP185(GB,E)

Overview

The TLP185(GB,E) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates an aluminum gallium arsenide infrared emitting diode with a phototransistor in a compact surface-mount package. The device provides electrical isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum forward current of 50mA, and a power dissipation of 100mW. The GB suffix indicates a minimum Current Transfer Ratio (CTR) of 100%. Operating temperatures range from -55°C to +110°C.

Feature Summary

Provides high-voltage electrical isolation between input and output circuits using optical transmission.
Features a phototransistor output capable of driving loads with a collector-emitter voltage up to 80V.
Designed for surface-mount installation to facilitate automated PCB assembly processes.

Applications

AC/DC input modules for industrial control systems
Signal transmission in programmable logic controllers (PLCs)
Interface isolation for office equipment

Procurement Notes

Verify the specific suffix designation against the manufacturer's datasheet to confirm the exact CTR grade and packaging format. Confirm RoHS compliance status as indicated in official documentation. Check for any product change notifications or lifecycle updates that may affect long-term availability. Ensure the ordering part number matches the required lead frame finish and reel specifications.

Selection Notes

Select this component when high isolation voltage and moderate speed switching are required. The GB variant offers higher gain compared to standard grades, suitable for applications needing robust signal transfer at lower input currents. Consider the SO-6 package dimensions for board space constraints. Evaluate thermal management requirements given the 100mW power dissipation limit at elevated ambient temperatures.

Part Context

This component belongs to the TLP185 series of small outline photocouplers designed for general-purpose isolation tasks. The series utilizes GaAs infrared LEDs paired with silicon phototransistors. Variants within the family differ primarily in CTR ranges and safety certification approvals, allowing designers to choose based on specific regulatory and performance needs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing circuit designs before considering alternative components from other manufacturers.