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Product Detailed Parameters
- Description：OPTOISO 5KV TRANS W/BASE 6-SMD
- 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)：-
- Rise / Fall Time (Typ)：2µs, 2µs
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.36V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：500mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
- Grade：-
- Qualification：-
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Overview
The Vishay 4N25-X009 is a single-channel transistor output optocoupler featuring an NPN phototransistor with a base terminal. It provides 5000 Vrms isolation voltage and operates within a temperature range of -55°C to +100°C. Key electrical parameters include a maximum collector-emitter voltage of 70V, a maximum collector current of 50mA, and a minimum current transfer ratio (CTR) of 20% at 10mA forward current. The device supports a maximum forward current of 60mA with a typical forward voltage of 1.36V. Switching characteristics specify typical rise and fall times of 2µs each.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits via double molding technology.
- Integrates a silicon NPN phototransistor with a dedicated base terminal for improved switching performance.
Applications
- Logic ground isolation in digital circuits
- Switch mode power supply feedback loops
- Reed relay driving applications
Procurement Notes
Verify the specific suffix against official datasheets to confirm package type and tape/reel specifications. Confirm RoHS compliance status and insulation system ratings required by your design standards before finalizing procurement.
Selection Notes
Select this component when high isolation voltage and fast switching speeds are required. The base terminal allows for faster turn-off times compared to standard phototransistors. Ensure the CTR requirements align with the 20% minimum specification under expected operating conditions.
Part Context
This part belongs to the 4N2x-X series of single-channel phototransistor optocouplers manufactured by Vishay Semiconductor Opto Division. These devices utilize gallium arsenide infrared LEDs coupled with silicon NPN phototransistors to provide reliable signal transmission across isolated barriers.
Replacement Considerations
Compatible substitutes within the same family include 4N26-X009, 4N28-X009, and 4N35-X009. Verify pinout compatibility and specific electrical parameter differences such as CTR or voltage ratings before substitution.
