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FOD2741BTV
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-DIP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：30V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：400mV
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.400", 10.16mm)
- Supplier Device Package：8-DIP
- Grade：-
- Qualification：-
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Overview
The FOD2741BTV is a single-channel transistor output optocoupler manufactured by Fairchild Semiconductor. It features an NPN phototransistor output and is housed in an 8-pin DIP package with a .4-inch lead spacing. The device provides high isolation voltage of 5000 Vrms and operates within a temperature range of -25°C to 85°C. Key electrical parameters include a minimum collector-emitter breakdown voltage of 70 V, a maximum forward current of 20 mA, and a nominal current transfer ratio of 100%. The component is RoHS compliant and UL/VDE approved.
Feature Summary
- Provides galvanic isolation between input and output circuits using a DC input and NPN phototransistor output configuration.
- Features a standard 8-pin DIP package suitable for through-hole mounting applications.
- Includes safety certifications including UL recognition and VDE approval for industrial compliance.
Applications
- Error amplifier coupling in power supply feedback loops
- Signal isolation in general-purpose electronic circuits
- Interface between microcontrollers and high-voltage loads
Procurement Notes
Verify the manufacturer marking on the component body matches '2741B' or equivalent identifiers to confirm authenticity. Ensure the package type corresponds to the specified 8-pin DIP with white marking as documented in official datasheets. Cross-reference the ordering suffix 'TV' with distributor specifications to confirm tape-and-reel packaging if required for automated assembly processes.
Selection Notes
Select this component when a single-channel transistor output optocoupler with high isolation voltage is required. Consider the nominal 100% current transfer ratio for linear application requirements. Verify that the 8-pin DIP package fits the PCB layout constraints. Check thermal operating limits against the specific environmental conditions of the target application.
Part Context
This part belongs to the FOD2741 series of optocouplers designed for error amplifier applications. The series includes variants such as FOD2741A and FOD2743BTV, which differ in current transfer ratio specifications. The FOD2741BTV specifically targets applications requiring a nominal 100% CTR with standard DIP packaging.
Replacement Considerations
The FOD2741A is a related variant within the same series offering similar isolation characteristics but potentially different current transfer ratio tolerances. Verify pinout compatibility and electrical parameter alignment before substitution. Consult official replacement guides for cross-reference data.
