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Product Detailed Parameters
- Description：OPTOISO 5KV TRANS W/BASE 6-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tape & Reel (TR)
- 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-X017T is a single-channel transistor output optocoupler in a 6-SMD package. It features an NPN phototransistor with a base terminal for improved switching performance. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a forward current of 60 mA, and a minimum current transfer ratio of 20% at 10 mA. The device provides 5000 Vrms isolation voltage and operates within a temperature range of -55°C to 100°C.
Feature Summary
- Integrated base terminal on the phototransistor output for enhanced switching speed and linearity
- High isolation voltage rating suitable for demanding industrial applications
- RoHS compliant construction supporting environmentally conscious manufacturing
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission across isolated ground planes
- Solid-state relay driver circuits
Procurement Notes
Verify the specific suffix against official Vishay documentation to confirm pinout and packaging variations. Ensure compatibility with surface mount assembly processes. Confirm RoHS3 compliance status through the manufacturer's latest datasheet or product change notification records before finalizing procurement specifications.
Selection Notes
Select this component when a base-driven phototransistor is required for faster response times compared to standard variants. Evaluate the 70 V collector-emitter voltage limit against circuit requirements. Consider the 6-SMD footprint constraints during PCB layout design to ensure adequate creepage distances for the 5000 Vrms isolation rating.
Part Context
This part belongs to the industry-standard 4N25 family of single-channel phototransistor couplers. The family includes related models such as the 4N26, 4N27, and 4N28, which share similar functional characteristics but may differ in specific electrical ratings or packaging options. The X-series designation typically indicates specific manufacturing lot or packaging configurations.
Replacement Considerations
Direct replacements within the same family include the 4N25-X007T and 4N26-X009T. Verify pinout compatibility and electrical parameter equivalence before substitution.
