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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：80% @ 5mA
- Current Transfer Ratio (Max)：300% @ 5mA
- Turn On / Turn Off Time (Typ)：6µs, 5µs
- Rise / Fall Time (Typ)：3µs, 4.7µs
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.35V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：4-SOP
- Grade：-
- Qualification：-
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Overview
The TCMT1600 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an AC input configuration housed in a low-profile miniflat 4-SOP package. Key electrical parameters include a maximum collector-emitter voltage of 70 V and a maximum collector current of 50 mA. The device provides an isolation voltage of 3750 Vrms with a typical forward voltage of 1.6 V. The current transfer ratio ranges from 80% to 300%, and it operates within a temperature range of -40°C to +100°C.
Feature Summary
- Integrates an AC input LED with a phototransistor output for direct signal isolation without external rectification.
Applications
- Microprocessor system interface circuits
- Solid-state relay driver applications
- Signal isolation in industrial control systems
Procurement Notes
Verify the specific ordering suffix against the manufacturer datasheet to confirm package variant and tape-and-reel specifications. Ensure compliance with RoHS directives and check for any recent product change notices regarding packaging or assembly updates before finalizing procurement orders.
Selection Notes
Select this component when AC input capability is required to simplify circuit design by eliminating external diodes. The single-channel configuration suits compact designs needing moderate isolation voltage. Verify that the 50 mA collector current rating meets load requirements and that the SOP-4 footprint aligns with PCB layout constraints.
Part Context
This part belongs to the TCMT series of low-profile miniflat optocouplers. The series offers both single-channel (TCMT1600) and quad-channel (TCMT4600/TCMT4606) configurations. These devices are designed for surface-mount assembly, providing space-efficient solutions for signal isolation in consumer and industrial electronics.
Replacement Considerations
Check for pin-compatible alternatives such as the TCMT4600 if multiple channels are needed. Verify that substitute parts maintain the same 3750 Vrms isolation rating and AC input functionality to ensure circuit compatibility without redesign.
