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FOD814SD
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：20% @ 1mA
- Current Transfer Ratio (Max)：300% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 105°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The FOD814SD is a single-channel surface-mount transistor output optocoupler from onsemi. It features an NPN phototransistor output and accepts AC/DC input signals. Key electrical parameters include a maximum collector-emitter voltage of 70V, a peak forward current of 50mA, and a typical forward voltage of 1.2V to 1.4V. The device provides 5000Vrms isolation voltage with a minimum current transfer ratio of 20% and a maximum of 300%. Operating temperatures range from -55°C to +105°C, with typical rise and fall times of 4µs and 3µs respectively.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Supports both AC and DC input signal types for versatile interface applications
- Features a compact four-pin SMD package suitable for automated surface mount assembly
Applications
- General-purpose digital signal isolation in industrial control systems
- Interface circuits for microcontrollers and logic families requiring galvanic separation
- Power supply feedback loops and switching regulator control circuits
Procurement Notes
Verify the specific suffix designation against the manufacturer's official documentation to confirm pinout configuration and packaging type. Ensure that the procurement specifications align with the required isolation voltage ratings and operating temperature ranges defined in the datasheet. Cross-reference the component marking with the approved part number list to prevent counterfeit substitution.
Selection Notes
Select this component when a single-channel transistor output is required for AC or DC input isolation. Consider the 5000Vrms isolation rating for safety compliance and the wide operating temperature range for harsh environments. Evaluate the current transfer ratio requirements to ensure adequate signal transmission margins for the specific load conditions.
Part Context
The FOD814SD belongs to the FOD814 series of optocouplers manufactured by onsemi. This series is designed for general-purpose isolation applications where reliable signal transmission across isolated boundaries is critical. The device complements other components in power management and control circuit designs.
Replacement Considerations
Consult the official cross-reference guide for verified substitute part numbers. Ensure any replacement maintains equivalent isolation voltage, pinout compatibility, and electrical performance characteristics.
