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FODM217B
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：FODM217
- Mfr：onsemi
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 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 FODM217B is a single-channel phototransistor optocoupler from onsemi, designed for AC/DC sensing input applications. It features an NPN phototransistor output with a collector-emitter voltage of 80 V and a maximum collector current of 50 mA. The device provides an isolation voltage of 3750 Vrms and operates within a temperature range of -55°C to +110°C. Typical rise and fall times are 3 µs, with a power dissipation rating of 150 mW.
Feature Summary
- Single-channel configuration with AC/DC sensing input capability
- High insulation voltage of 3750 Vrms for safety isolation
- NPN phototransistor output suitable for general-purpose switching
Applications
- AC/DC sensing circuits
- General-purpose signal isolation
- Industrial control systems
Procurement Notes
Verify the specific suffix against official datasheets to confirm package type and tape/reel specifications. Ensure the component matches the required isolation voltage and output transistor characteristics for the target application. Cross-reference manufacturer part numbers to avoid substitution errors.
Selection Notes
Select this component when high isolation voltage and moderate speed are required for AC/DC sensing. Compare current transfer ratio and saturation voltage requirements against alternative models in the FODM217 series. Confirm thermal management needs based on the 150 mW power dissipation limit.
Part Context
The FODM217B belongs to the FODM217A family of transistor output optocouplers. It shares similar structural characteristics with other members like the FODM217AR2V but differs in specific electrical parameters such as current transfer ratio ranges. This model is distinct from logic output or high-speed variants within the broader onsemi optocoupler portfolio.
Replacement Considerations
FODM217AR2V
FAQ
What is the typical rise and fall time for the FODM217B?
The typical rise and fall times are both 3 µs.
Does the FODM217B support AC input sensing?
Yes, it is specified for AC/DC sensing input applications.
