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Product Detailed Parameters
- Description：OPTOISO 4.17KV DARL W/BASE 6-DIP
- Series：-
- Mfr：onsemi
- 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 (0.300", 7.62mm)
- Supplier Device Package：6-DIP
- Grade：-
- Qualification：-
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Overview
The onsemi 4N33VM is a single-channel optocoupler featuring a DC input and a Darlington transistor output with an accessible base terminal. It provides high isolation voltage of 4170Vrms and operates within a temperature range of -40°C to 100°C. The device supports a maximum forward current of 80mA and delivers an output current of 150mA per channel. Typical rise and fall times are 5µs and 100µs, respectively, with a minimum current transfer ratio of 500% at 10mA input.
Feature Summary
- Integrated Darlington transistor output configuration for high gain applications
- Accessible base terminal allows for external circuit adjustment or speed enhancement
- High isolation voltage capability ensures robust signal transmission across isolated domains
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal interfacing between microcontrollers and high-voltage circuits
Procurement Notes
Verify the specific suffix 'VM' against official datasheets to confirm package dimensions and tape/reel specifications if applicable. Ensure compatibility with existing PCB footprints for 6-DIP packages. Confirm RoHS compliance status through manufacturer documentation prior to integration into regulated assemblies.
Selection Notes
Select this component when high current transfer ratio and accessible base drive are required. Compare typical switching speeds against application timing requirements. Evaluate thermal management needs given the operating temperature range. Consider alternative outputs if base access is unnecessary for the design.
Part Context
The 4N33 series belongs to onsemi's standard product portfolio, designed for reliable performance in industrial and automotive environments. This family offers cost-effective isolation solutions with established manufacturing processes. The 4N33VM variant specifically targets applications benefiting from the additional control provided by the Darlington base terminal.
Replacement Considerations
Check pinout compatibility before substituting. Verify that replacement devices meet the same isolation voltage and current transfer ratio specifications. Ensure the alternative part supports the required operating temperature range and package type.
