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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)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：100% @ 5mA
- Current Transfer Ratio (Max)：200% @ 5mA
- Turn On / Turn Off Time (Typ)：5µs, 3µs
- Rise / Fall Time (Typ)：3µs, 4µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.15V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SOP (2.54mm)
- Grade：-
- Qualification：-
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Overview
The SFH690C-X001T is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output with a current transfer ratio (CTR) ranging from 100% to 200%. The device provides an isolation voltage of 3750 Vrms and supports a maximum collector-emitter voltage of 70 V. It operates within a temperature range of -55°C to +100°C and is housed in a compact SOP-4 surface-mount package.
Feature Summary
- High insulation voltage capability for safe signal transmission across isolated circuits
- Compact SOP-4 surface-mount package design suitable for space-constrained applications
- Fast switching performance with defined rise and fall times for digital signal integrity
Applications
- Industrial control systems requiring galvanic isolation
- Communication equipment interface circuits
- Power supply feedback loops
Procurement Notes
Verify the specific CTR binning (100-200%) against circuit requirements during procurement. Confirm the SOP-4 package dimensions match the PCB footprint. Ensure compliance with RoHS directives if required by the end product specifications. Check datasheet revisions for any recent parameter updates before finalizing component selection.
Selection Notes
Select this component when a low-cost, high-isolation voltage optocoupler is needed for digital signaling. The 100-200% CTR range offers sufficient gain for most logic interfaces. Consider the 70V collector voltage limit for load compatibility. The SOP-4 package simplifies automated assembly compared to through-hole alternatives.
Part Context
This part belongs to the SFH690 series of transistor output optocouplers. It shares the same basic electrical characteristics as variants like the SFH690BT but differs in the specified Current Transfer Ratio binning. The series is designed for general-purpose isolation tasks where cost-effectiveness and standard isolation ratings are prioritized over high-speed or high-temperature performance.
Replacement Considerations
Direct substitutes include other Vishay SFH690 variants with matching CTR ranges, such as the SFH690CT. Cross-manufacturer replacements must verify identical pinout, isolation voltage, and package dimensions to ensure mechanical and electrical compatibility without redesigning the host circuit.
