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Product Detailed Parameters
- Description：OPTOISO 4.17KV TRANS W/BASE 6DIP
- Series：-
- Mfr：onsemi
- Package：Bulk,Bulk
- Number of Channels：1
- Voltage - Isolation：4170Vrms
- Current Transfer Ratio (Min)：20% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：2µs, 2µs
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.18V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：500mV
- 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 onsemi 4N25TVM is a single-channel phototransistor output optocoupler housed in a 6-pin DIP package. It features a DC input and provides electrical isolation with a rated voltage of 4170Vrms. The device operates within a temperature range of -40°C to 100°C. Key electrical parameters include a maximum forward voltage of 1.5V, a minimum current transfer ratio of 20%, and typical rise and fall times of 2μs. It supports a maximum input current of 60mA and includes an integrated base for the phototransistor.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Integrates a phototransistor with an accessible base terminal for performance tuning
- Designed for direct interface with digital logic systems
Applications
- Industrial control system signal isolation
- Solid-state relay driver circuits
- Microcontroller input/output isolation
Procurement Notes
Verify the specific suffix 'TVM' against the manufacturer's datasheet to confirm tape-and-reel packaging and lead frame composition. Ensure the procurement order explicitly states the required insulation certification standards, such as UL recognition, if mandated by the end-application safety regulations.
Selection Notes
Select this component when a low-cost, general-purpose optocoupler with a base pin is required for circuit flexibility. The 6-pin DIP package facilitates through-hole mounting for prototyping or robust industrial assemblies. Consider the 20% minimum CTR for logic level compatibility and verify that the 4170Vrms isolation rating meets the system's safety requirements.
Part Context
The 4N25TVM belongs to the established 4N25 series of optocouplers from onsemi. This series is widely recognized for its reliability in general-purpose isolation applications. The 'TVM' designation typically indicates specific packaging and reel configuration variations within the standard 4N25 family, maintaining core electrical characteristics while adapting to automated assembly needs.
Replacement Considerations
Direct substitutes include other 4N25 variants such as the 4N25M or 4N25S, provided the packaging format matches the board layout. Verify that any replacement maintains the same pinout and isolation voltage ratings to ensure functional equivalence without redesigning the host circuit.
