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Product Detailed Parameters
- Description：OPTOISO 5KV TRANS W/BASE 6-DIP
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：20% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：11µs, 7µs
- Rise / Fall Time (Typ)：7µs, 6.7µs
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：32V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°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 Vishay 4N25V is a general-purpose, single-channel phototransistor output optocoupler housed in a 6-pin DIP package. It provides electrical isolation with a rated insulation voltage of 5000 Vrms. The device features an NPN phototransistor output capable of handling a maximum collector current of 50 mA and a collector-emitter voltage of 70 V. Key electrical parameters include a minimum Current Transfer Ratio (CTR) of 20% at a forward current of 10 mA, a typical rise and fall time of 2 µs, and a power dissipation rating of 200 mW. It operates within a temperature range of -55°C to +100°C.
Feature Summary
- Special construction designed for extra low coupling capacity and high common mode rejection
- General-purpose design suitable for standard signal isolation applications
- Single channel configuration with NPN phototransistor output
Applications
- Signal isolation in industrial control systems
- Switching power supply feedback loops
- Microcontroller input/output isolation
Procurement Notes
Verify the specific suffix (e.g., GV) as the base part number may have variations. Confirm RoHS compliance status for the specific revision, as older batches may differ. Check datasheet revisions for changes in mechanical dimensions or electrical limits before finalizing the design.
Selection Notes
Select this component for cost-effective isolation where moderate speed is sufficient. Ensure the circuit design accounts for the 2 µs switching times. Verify that the required CTR meets the load requirements at the intended operating current. Consider the DIP package constraints for PCB layout.
Part Context
The 4N25V belongs to the broader 4N25 family of transistor output optocouplers manufactured by Vishay. This series is widely recognized for its reliability in general-purpose isolation tasks. The 'V' designation typically distinguishes specific manufacturing variants or packaging styles within the product line, often associated with through-hole DIP configurations.
Replacement Considerations
Direct replacements include the 4N25GV and other members of the 4N25/35/36/37/38 series from Vishay or equivalent pin-compatible parts from other manufacturers such as Fairchild or ON Semiconductor, provided electrical ratings match.
