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FOD617B3SD
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：63% @ 10mA
- Current Transfer Ratio (Max)：125% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：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)：400mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
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Overview
The FOD617B3SD is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and operates with a maximum collector-emitter voltage of 70 V and a collector current of 50 mA. The device provides 5000 Vrms isolation voltage between input and output. Electrical characteristics include a typical forward voltage of 1.2 V at the specified forward current, with rise and fall times of 18 µs. It is housed in a surface-mount SMD package and supports an operating temperature range from -55°C to +110°C.
Feature Summary
- Provides galvanic isolation for signal transmission between circuits
- Utilizes an NPN phototransistor for digital switching applications
- Designed for surface-mount assembly processes
Applications
- General-purpose digital signal isolation
- Microcontroller interface circuits
- Industrial control systems requiring low-speed isolation
Procurement Notes
Verify the specific suffix 'B3SD' against the official onsemi datasheet to confirm pinout configuration and electrical tolerances. Ensure the component status is active for new designs, as availability may vary. Cross-reference the package dimensions with PCB footprint libraries before finalizing layout. Confirm compliance requirements such as RoHS status with the manufacturer's latest documentation prior to procurement.
Selection Notes
Select this component when a standard NPN phototransistor output is required for basic isolation tasks. Consider the 18 µs switching speed limitations for high-frequency applications. Evaluate the 5000 Vrms isolation rating against system safety standards. Compare alternative packages if surface-mount constraints differ from the specified form factor. Verify thermal dissipation capabilities within the intended operating environment.
Part Context
This part belongs to the FOD617 series of transistor output optocouplers from onsemi. The series is designed for general-purpose isolation applications. Variants within the series typically share similar electrical characteristics but may differ in packaging or specific CTR ranges. The FOD617 series serves as a foundational component for cost-effective isolation solutions in industrial and consumer electronics.
Replacement Considerations
Consult the official onsemi substitution guide for verified equivalents. Generic replacements must match the NPN output type, 70 V collector voltage, and 5000 Vrms isolation rating. Verify pin compatibility and package dimensions to ensure mechanical fit. Check for differences in current transfer ratio specifications that may affect circuit performance.
