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FOD816
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH DARL 4-DIP
- Series：-
- Mfr：onsemi
- Package：Box
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：600% @ 1mA
- Current Transfer Ratio (Max)：7500% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：60µs, 53µs
- Input Type：AC, DC
- Output Type：Darlington
- Voltage - Output (Max)：35V
- Current - Output / Channel：80mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.300", 7.62mm)
- Supplier Device Package：4-DIP
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Overview
The onsemi FOD816 is a single-channel optocoupler featuring an infrared LED input and a Darlington transistor output. It provides high current transfer ratios, typically ranging from 600% to 7500% at 1mA input current. The device offers robust electrical isolation with a rated voltage of 5000Vrms. It supports AC or DC input signals and delivers a maximum output current of 80mA. Operating temperatures range from -30°C to 100°C, with typical rise and fall times around 60µs and 53µs respectively.
Feature Summary
- High current transfer ratio capability for efficient signal transmission
- Robust 5000Vrms electrical isolation between input and output circuits
- Darlington transistor output stage providing high gain
- Supports both AC and DC input signal types
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- General-purpose digital isolation interfaces
Procurement Notes
Verify component status as the FOD816 may be obsolete. Confirm availability through authorized distributors. Check for RoHS compliance documentation. Ensure package type matches design requirements. Validate replacement options if discontinuation is confirmed.
Selection Notes
Select based on required current transfer ratio and isolation voltage. Consider thermal management for high ambient temperatures. Verify pinout compatibility with existing PCB layouts. Evaluate lifetime expectations against application criticality. Compare performance metrics with newer alternatives if available.
Part Context
Part of the FOD816 series from onsemi, designed for general-purpose isolation applications. Utilizes standard phototransistor technology with Darlington configuration for enhanced sensitivity. Commonly used in legacy designs requiring high gain isolation.
Replacement Considerations
LTV-8141S by Lite-On is listed as a parameter equivalent alternative. Verify pinout and electrical specifications before substitution. Check manufacturer documentation for direct replacement confirmation.
