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FODM217CR4
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：FODM217
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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)：3µs, 3µs
- Rise / Fall Time (Typ)：3µs, 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)：400mV
- Operating Temperature：-55°C ~ 110°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 onsemi FODM217CR4 is a single-channel phototransistor output optocoupler housed in a half-pitch Mini Flat 4-pin (MFP-4) surface-mount package. It provides electrical isolation with an insulation voltage of 3750 Vrms. The device features an NPN phototransistor output capable of handling a maximum collector current of 50 mA and a collector-emitter voltage of 80 V. Typical switching characteristics include a rise time of 3 μs and a fall time of 3 μs. The unit operates within a temperature range of -55°C to +110°C and is supplied in tape and reel packaging.
Feature Summary
- Provides high-voltage galvanic isolation between input and output circuits
- Features fast switching performance suitable for digital signal transmission
- Designed for compact surface-mount assembly in space-constrained applications
Applications
- AC/DC sensing input circuits
- Digital signal isolation interfaces
- Microcontroller peripheral protection
Procurement Notes
Verify the specific suffix 'R4' confirms the MFP-4 package and tape-and-reel delivery format, as these distinguish it from tube-packaged variants like the AV or BV series. Confirm RoHS compliance status through the official datasheet before finalizing procurement specifications. Ensure the supplier source is authorized to guarantee component authenticity and traceability.
Selection Notes
Select this component when a small footprint is required alongside standard transistor output isolation. Compare the 200% typical current transfer ratio against other series members if higher gain is needed. Verify that the 50 mA collector current limit meets the load requirements of the receiving circuitry without exceeding absolute maximum ratings.
Part Context
This part belongs to the FODM217 family of optocouplers from onsemi. The family includes various packages such as SOP-4 and MFP-4, with different current transfer ratio grades designated by suffixes like A, B, and C. The CR4 variant specifically denotes the MFP-4 package configuration optimized for automated surface-mount placement.
Replacement Considerations
Direct substitutes include other FODM217 series members with compatible pinouts, such as FODM217AR2V or FODM217AV, provided the package type and current transfer ratio specifications align with the design requirements.
