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FOD2743ASV
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-SMD
- Series：-
- Mfr：onsemi
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：50% @ 1mA
- Current Transfer Ratio (Max)：100% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.07V
- 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
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Overview
The onsemi FOD2743ASV is a single-channel optoisolator featuring a transistor output configuration housed in an 8-SMD package. It provides a high isolation voltage of 5000Vrms, ensuring robust signal transmission between isolated circuits. The device operates with a DC input type and supports a wide operating temperature range from -40°C to 85°C. Key electrical parameters include a maximum output voltage of 70V, a collector-emitter saturation voltage of up to 400mV, and a typical forward voltage of 1.07V. The current transfer ratio ranges from 50% to 100% at a 1mA input current, with a maximum output current capability of 50mA per channel.
Feature Summary
- Provides galvanic isolation for signal transmission between low-voltage control circuits and higher-voltage loads.
- Features a compact surface-mount design suitable for automated assembly processes.
- Delivers reliable performance across extended industrial temperature ranges.
Applications
- Industrial automation control systems
- Power supply feedback loops
- Communication interface isolation
Procurement Notes
Verify the specific suffix 'ASV' against the manufacturer's latest documentation to confirm pinout compatibility and package dimensions. Confirm end-of-life status and lead times with authorized distributors before finalizing procurement plans.
Selection Notes
Select this component when high isolation voltage is required for single-channel applications. Ensure the 50mA output current rating meets the load requirements. Verify that the 8-SMD footprint aligns with the printed circuit board layout constraints.
Part Context
This part belongs to the FOD2743 family of optoisolators from onsemi. The family includes variants with different suffixes indicating package types or tape-and-reel options. These devices are designed for general-purpose isolation tasks in electronic systems requiring safety compliance.
Replacement Considerations
Check for direct replacements such as the FOD2743BS if availability is critical. Ensure any substitute maintains the same isolation voltage, pin configuration, and thermal characteristics to avoid redesign efforts.
FAQ
What is the maximum isolation voltage rating?
The FOD2743ASV is rated for 5000Vrms isolation voltage.
Does this device support AC input signals?
No, the datasheet specifies a DC input type for this component.
