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FODM2701AR2
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SMD
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：300% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：40V
- Current - Output / Channel：80mA
- Voltage - Forward (Vf) (Typ)：1.4V (Max)
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-40°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
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Overview
The FODM2701AR2 is a single-channel transistor output optocoupler manufactured by onsemi. It integrates an aluminum gallium arsenide infrared LED with an NPN phototransistor in a compact 4-SMD package. The device provides electrical isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 40V, a maximum collector current of 80mA, and a forward current of 50mA. The typical forward voltage is 1.4V, and the saturation voltage is 300mV. The current transfer ratio ranges from 50% to 300%. Operating temperature spans from -40°C to 110°C.
Feature Summary
- Integrates an aluminum gallium arsenide infrared LED with an NPN phototransistor for efficient electro-optical conversion.
- Provides high-voltage electrical isolation between input and output circuits using a fixed physical gap.
- Designed for compact surface-mount applications with a 4-pin SMD footprint.
Applications
- Digital logic signal transmission and level shifting
- Power supply control and switching circuits
- Electrical insulation and impedance transformation between circuits
Procurement Notes
This component is officially listed as obsolete and no longer manufactured by onsemi. Availability is restricted to existing stock or third-party distributors. Verify authenticity and condition carefully when sourcing from non-authorized channels due to end-of-life status.
Selection Notes
Select this part only if legacy compatibility is required, as it has been replaced by newer series. Consider the FODM2701R4 or FODM181AR2 for active production alternatives. Ensure the 4-SMD package fits the target PCB layout and that the 40V output voltage rating meets circuit requirements.
Part Context
The FODM2701AR2 belongs to the FODM121/FODM2701 family of transistor output optocouplers. These devices utilize proprietary GaAs technology for reliable performance. The AR2 suffix typically denotes specific tape and reel packaging configurations for automated assembly processes.
Replacement Considerations
Public confirmed substitutes include FODM2701R2 and FODM2701R4. These parts offer similar functional characteristics but may differ in packaging or manufacturing status. Verify pinout compatibility before substitution.
