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Product Detailed Parameters
- Description：OPTOISO 3.75KV TRANS 4-MINI-FLAT
- Series：-
- Mfr：Sharp Microelectronics
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-Miniflat
- Supplier Device Package：4-Mini-Flat
- Grade：-
- Qualification：-
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Overview
The PC357M3J000F is a surface-mount transistor output optocoupler from Sharp Microelectronics, featuring a 4-pin mini-flat package. It provides high isolation voltage of 3750 Vrms and supports a maximum forward current of 50 mA with a typical forward voltage of 1.4 V. The device exhibits a collector-emitter saturation voltage of 200 mV and operates within a temperature range of -30°C to +100°C. Key timing parameters include rise and fall times of 18 μs each. The component is RoHS compliant and certified under UL1577 standards.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- Fast switching performance with symmetric rise and fall times for reliable digital signaling
- Compact surface-mount packaging suitable for automated assembly processes
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission in microprocessor-based interfaces
- Power supply feedback loops for voltage regulation
Procurement Notes
Verify the specific CTR ranking suffix (e.g., M3) against the manufacturer datasheet to ensure correct gain characteristics. Confirm package dimensions match PCB footprint requirements. Check for RoHS compliance documentation and UL certification validity before integration into safety-critical designs.
Selection Notes
Select this component when high isolation voltage and fast switching are required in a compact form factor. Ensure the application voltage does not exceed the collector-emitter limits. Consider thermal management if operating near the upper temperature limit. Verify compatibility with driving circuitry for the specified forward current.
Part Context
This part belongs to the PC357NJ0000F series of transistor output optocouplers. It shares the same physical package and basic electrical structure as other variants in the series, differing primarily in Current Transfer Ratio rankings. The series is designed for general-purpose isolation applications in consumer and industrial electronics.
Replacement Considerations
PC357M1J000F and PC357M2J000F are confirmed substitutes within the same series offering different CTR rankings. Cross-referencing with PC357N3J000F is possible but requires verification of package and parameter alignment.
