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Product Detailed Parameters
- Description：OPTOISO 4.17KV DARL W/BASE 6-DIP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：4170Vrms
- Current Transfer Ratio (Min)：500% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：5µs, 100µs (Max)
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Darlington with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：150mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.400", 10.16mm)
- Supplier Device Package：6-DIP
- Grade：-
- Qualification：-
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Overview
The Fairchild Semiconductor 4N32TVM is a general-purpose photodarlington optocoupler housed in a 6-pin DIP package. It features a DC input type and a Darlington output with base terminal. Key electrical parameters include a maximum collector current of 150 mA, a typical current transfer ratio of 500% at 10 mA input, and an isolation voltage of 4.17 kVrms. The device operates with a typical forward voltage of 1.2 V and provides a maximum output voltage of 30 V.
Feature Summary
- Photodarlington output configuration with accessible base terminal for speed control
- High isolation voltage rating suitable for noise immunity applications
- General-purpose design compatible with standard digital logic interfaces
Applications
- Signal isolation between microcontrollers and peripheral devices
- Switching power supply feedback loops
- Industrial control system signal transmission
Procurement Notes
Verify the manufacturer designation as Fairchild Semiconductor or its successor onsemi when sourcing. Confirm the TVM suffix indicates tape and reel packaging if bulk handling is required. Ensure the datasheet version matches the production batch for accurate timing specifications. Cross-reference part numbers carefully to distinguish between similar 4N32 variants.
Selection Notes
Select this component for applications requiring moderate switching speeds and high gain. The Darlington structure offers higher current transfer ratio compared to single transistor outputs. Consider the base terminal availability for optimizing turn-off times in high-speed circuits. Verify thermal dissipation requirements against the specified power dissipation limits during operation.
Part Context
This component belongs to the 4N32 series of photodarlington optocouplers. It is widely used in industrial and consumer electronics for galvanic isolation. The series is known for reliability and compatibility with standard DIP-6 footprints. It serves as a cost-effective solution for basic isolation needs where ultra-high speed is not critical.
Replacement Considerations
Equivalent parts include the 4N32 from other manufacturers such as Vishay or Everlight. Verify pinout compatibility before substitution. Check that the replacement meets the same isolation voltage and current transfer ratio specifications.
