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FOD2743CV
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-DIP
- 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：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-DIP
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Overview
The FOD2743CV is a transistor output optoisolator manufactured by onsemi. It provides electrical isolation between input and output circuits using an infrared LED and a phototransistor detector. The device features a collector-emitter saturation voltage of 400mV and supports 5000Vrms isolation voltage. It is housed in an 8-DIP package, suitable for applications requiring reliable signal transmission across isolated domains with high noise immunity.
Feature Summary
- Provides high-voltage electrical isolation between control and load circuits
- Utilizes a transistor output configuration for digital signal switching
- Ensures signal integrity through optical coupling mechanism
Applications
- Industrial automation control systems
- Power supply feedback loops
- Microcontroller interface isolation
Procurement Notes
Verify the specific suffix 'CV' against the manufacturer's current datasheet to confirm pinout compatibility and packaging specifications. Ensure the procurement source provides valid traceability documentation. Cross-reference the isolation voltage rating with system requirements before finalizing orders to prevent specification mismatches.
Selection Notes
Select this component when a robust transistor output interface is required for isolating low-power logic signals from higher voltage domains. Consider the 5000Vrms isolation capability for safety-critical applications. Evaluate the 8-DIP package constraints against available PCB real estate and thermal management needs within the target design environment.
Part Context
This part belongs to onsemi's portfolio of optoelectronic isolation devices designed for industrial and commercial applications. Optoisolators in this category are essential for breaking ground loops and protecting sensitive electronics from voltage transients. The FOD2743CV represents a standard solution for basic digital isolation tasks where cost-effectiveness and reliability are prioritized.
Replacement Considerations
Consult official substitution guides for equivalent transistor output optoisolators with matching 5000Vrms isolation ratings. Verify that any substitute maintains the same 8-DIP footprint and pin configuration to ensure mechanical compatibility without redesigning the printed circuit board layout.
