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FOD2741BSV
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-SMD
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：30V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：400mV
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SMD, Gull Wing
- Supplier Device Package：8-SMD
- Grade：-
- Qualification：-
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Overview
The FOD2741BSV is a single-channel optically isolated error amplifier manufactured by onsemi, formerly Fairchild Semiconductor. It integrates an infrared LED with an NPN phototransistor output in an 8-pin SMD-DIP package. Key electrical parameters include a 5000 Vrms isolation voltage, a nominal current transfer ratio of 100%, and a reference voltage of 2.495 V. The device operates within a temperature range of -40°C to +85°C, supports a maximum collector current of 50 mA, and has a power dissipation rating of 145 mW.
Feature Summary
- Integrates an error amplifier function for precise signal transmission across isolation barriers
- Provides high-voltage electrical isolation between input and output circuits
- Features a surface-mount 8-pin DIP package for automated assembly compatibility
Applications
- Switch-mode power supply feedback loops
- Industrial process control isolation
- Medical equipment signal conditioning
Procurement Notes
Verify the manufacturer status carefully as this component is listed as obsolete or end-of-life. Confirm if the source is onsemi or legacy Fairchild stock. Check RoHS compliance details and ensure the specific suffix matches the required packaging format. Validate authenticity through authorized distributors due to potential obsolescence.
Selection Notes
Select this component when a dedicated error amplifier function is required within an optocoupler. Ensure the 5000 Vrms isolation rating meets system safety standards. Verify that the 100% CTR and 30 V collector-emitter voltage align with the circuit design requirements. Consider the SMD-DIP package constraints for PCB layout.
Part Context
This part belongs to the FOD2741B series of optically isolated amplifiers. It was originally developed by Fairchild Semiconductor before the company's acquisition by onsemi. The series is designed for applications requiring linear isolation with integrated error correction capabilities.
Replacement Considerations
Check for direct pin-compatible substitutes from onsemi or other manufacturers offering similar error amplifier optocouplers. Verify equivalent isolation voltage and CTR specifications before substitution.
