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Product Detailed Parameters
- Description：OPTOISO 5KV TRANS W/BASE 6-SMD
- Series：-
- Mfr：Everlight Electronics Co Ltd
- 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)：3µs, 3µs
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：80V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：500mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
- Grade：-
- Qualification：-
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Overview
The 4N25S1(TA) is a single-channel phototransistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode and a phototransistor within a six-pin surface-mount package to provide electrical isolation between input and output circuits. The device supports DC input signals and offers high voltage isolation capabilities suitable for digital logic transmission, impedance transformation, and circuit isolation applications.
Feature Summary
- Integrates an infrared LED and a phototransistor for efficient electro-optical-electro conversion
- Provides galvanic isolation between input and output circuits to ensure signal integrity
- Designed for reliable performance in digital logic transmission and switching applications
Applications
- Digital logic signal transmission and level shifting
- Power supply control and switching circuits
- Electrical insulation isolation between distinct circuit systems
- Impedance transformation in electronic interfaces
Procurement Notes
Verify the specific suffix variant, such as -V, against official datasheets to confirm package type and tape/reel specifications. Confirm current availability status as distribution channels may list limited stock or discontinued status. Ensure compliance with moisture sensitivity levels during storage and handling procedures prior to assembly.
Selection Notes
Select this component when a single-channel phototransistor output is required for low-speed digital isolation. Consider the 80V maximum output voltage and 60mA forward current limits during circuit design. Evaluate the operating temperature range of -55°C to 110°C against environmental requirements. Verify pin compatibility with existing PCB footprints for six-pin surface-mount packages.
Part Context
This part belongs to the standard 4N25 family of optocouplers produced by Everlight Electronics. It serves as a surface-mount alternative to through-hole variants, maintaining similar functional characteristics while adapting to automated assembly processes. The series is widely recognized for general-purpose isolation tasks in industrial and consumer electronics.
Replacement Considerations
Direct replacements include other 4N25-series variants from different manufacturers that share identical pinouts and electrical specifications. Verify that substitute components meet the same 5000Vrms isolation voltage and phototransistor output requirements. Cross-reference datasheets to ensure compatible current transfer ratios and switching times.
