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FOD817X_5701W
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Product Detailed Parameters
- Description：TRANSISTOR OUTPUT OPTOCOUPLER
- Series：*
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Number of Channels：-
- Voltage - Isolation：-
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：-
- Output Type：-
- Voltage - Output (Max)：-
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：-
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The FOD817X_5701W is a single-channel phototransistor optocoupler manufactured by Fairchild Semiconductor. It integrates a gallium arsenide infrared emitting diode with a silicon phototransistor in a compact 4-pin dual in-line package. The device provides high input-output isolation voltage of 5000Vrms and supports Pb-free IR reflow soldering processes. It features a minimum collector-emitter breakdown voltage (BVCEO) of 70V, ensuring reliable operation in various digital logic and microprocessor interface applications.
Feature Summary
- Integrates a gallium arsenide infrared LED with a silicon phototransistor for efficient signal transmission
- Provides high electrical isolation between input and output circuits
- Compatible with lead-free infrared reflow soldering manufacturing processes
- Designed for compact integration in space-constrained electronic assemblies
Applications
- Power supply regulators
- Digital logic inputs
- Microprocessor inputs
Procurement Notes
Verify the specific current transfer ratio group required for the application, as the FOD817 series offers multiple graded options. Confirm that the standard DIP-4 package meets the board layout requirements. Ensure compatibility with lead-free assembly processes if applicable to the manufacturing line. Check for any updated part numbering conventions due to manufacturer integrations.
Selection Notes
Select this component when a single-channel optoisolator with high isolation voltage is needed for DC signal transmission. Consider the specific CTR grade required for the logic level interfacing. Verify that the 4-pin DIP package fits the available footprint. Ensure the operating temperature range meets the environmental specifications of the target system.
Part Context
This device belongs to the FOD817 series of 4-pin phototransistor optocouplers. The series includes various current transfer ratio grades to suit different sensitivity requirements. The family is designed for general-purpose isolation in digital circuits, offering a balance of performance and cost-effectiveness for industrial and consumer electronics applications.
Replacement Considerations
Check for equivalent parts within the same series with different CTR grades. Verify pinout compatibility before substitution. Ensure the replacement device meets the same isolation voltage and package type requirements.
