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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)：160% @ 5mA
- Turn On / Turn Off Time (Typ)：9.5µs, 8.5µs
- Rise / Fall Time (Typ)：5.5µs, 7µs
- Input Type：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 TCMT1107 is a single-channel surface-mount optocoupler from Vishay’s TCMT series, featuring a gallium arsenide infrared LED coupled to an NPN phototransistor. It provides 3750Vrms isolation voltage for circuit protection. Key electrical parameters include a maximum forward current of 60mA and a typical forward voltage of 1.35V to 1.6V. The device operates within a -40°C to 100°C temperature range. Current transfer ratio ranges from 80% to 160%, with typical rise and fall times of 3μs and 4.7μs respectively. It is housed in a compact 4-SOP package.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using optical coupling technology.
- Integrates a gallium arsenide infrared emitter with an NPN phototransistor for efficient signal transmission.
- Designed for surface-mount assembly in compact electronic applications requiring DC input control.
Applications
- Signal isolation in general-purpose electronic circuits
- Interface between microprocessors and high-voltage loads
- Protection of sensitive microelectronics from voltage spikes
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches required packaging formats such as tape and reel or cut tape. Ensure compliance with relevant safety certifications including UL1577 and VDE standards before integration into final products.
Selection Notes
Select this component when high isolation voltage and compact surface-mount form factor are required. Consider the 80-160% current transfer ratio for logic-level interfacing. Verify that the 60mA maximum forward current meets drive requirements. Check operating temperature limits against environmental conditions.
Part Context
The TCMT1107 belongs to Vishay’s TCMT family of miniature optocouplers. This series focuses on providing reliable galvanic isolation in small footprints suitable for modern PCB designs. The component serves as a bridge between low-voltage control logic and higher-voltage isolated sections.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Vishay cross-reference guides for potential alternatives.
