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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),Cut Tape (CT)
- 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 4N26-X009T is a single-channel transistor output optocoupler in a 6-SMD package. It features an NPN phototransistor with a base terminal, offering 5000 Vrms isolation voltage. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a collector current of 50 mA, and a minimum current transfer ratio (CTR) of 20% at 10 mA forward current. The device supports a maximum forward current of 60 mA with a typical forward voltage of 1.36 V. Operating temperatures range from -55°C to +100°C, with rise and fall times of 2 µs.
Feature Summary
- Provides galvanic isolation between input and output circuits via an infrared LED and NPN phototransistor pair.
- Includes a dedicated base terminal on the phototransistor to allow for external biasing or speed control adjustments.
- Delivers high insulation voltage capability suitable for noise-immune signal transmission in industrial environments.
Applications
- Signal isolation in general-purpose digital communication interfaces
- Switch-mode power supply feedback loops
- Microcontroller input/output isolation
Procurement Notes
Verify the specific suffix 'X009T' to confirm the tape-and-reel packaging format required for automated surface-mount assembly. Ensure the order matches the Vishay Semiconductor Opto Division manufacturer designation. Confirm RoHS compliance status and moisture sensitivity level requirements against your manufacturing process specifications before finalizing procurement.
Selection Notes
Select this component when a surface-mount solution with a phototransistor base terminal is required for circuit flexibility. Compare the 20% minimum CTR and 50 mA collector current limits against load requirements. Consider the 2 µs switching speed for timing-sensitive applications within the specified temperature range.
Part Context
This part belongs to the 4N2x-X series of Vishay optocouplers, which are industry-standard replacements for legacy through-hole devices. The X009T suffix specifically denotes the surface-mount variant with reel packaging, maintaining the functional characteristics of the original 4N26 while adapting to modern SMT production lines.
Replacement Considerations
Direct pin-compatible replacements within the same family include the 4N25-X009T and 4N27-X009T, provided their respective CTR and isolation voltage ratings meet the design requirements.
