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Product Detailed Parameters
- Description：OPTOISO 4.17KV TRANS W/BASE 6SMD
- Series：-
- Mfr：onsemi
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：4170Vrms
- Current Transfer Ratio (Min)：20% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：2µs, 2µs
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.18V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：500mV
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
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Overview
The onsemi 4N25SVM is a single-channel optocoupler featuring an infrared LED coupled to a phototransistor with a base terminal for improved switching performance. It utilizes a surface-mount 6-SMD package and provides electrical isolation of 4170Vrms. The device supports DC input with a maximum forward voltage of 1.5V and a maximum input current of 60mA. It offers a minimum current transfer ratio of 20% and typical rise/fall times of 2μs, operating within a temperature range of -40°C to 100°C.
Feature Summary
- Integrated base terminal on the phototransistor enhances switching speed and linearity compared to standard configurations.
- Provides robust galvanic isolation between input and output circuits via a dedicated dielectric barrier.
- Designed for surface-mount assembly to facilitate automated manufacturing processes.
Applications
- Signal isolation in industrial control systems
- Interface circuits for microcontrollers and logic gates
- Power supply feedback loops
Procurement Notes
Verify the specific suffix 'M' against the manufacturer's latest datasheet to confirm the exact tape-and-reel quantity and packaging configuration. Ensure the selected variant matches the required lead time and compliance standards for your specific production schedule.
Selection Notes
Select this component when surface-mount technology is required for high-speed digital isolation. The integrated base allows for faster turn-off times than non-base variants. Verify that the 4170Vrms isolation rating meets the safety requirements of the target application environment.
Part Context
This part belongs to the 4N25 series of general-purpose optocouplers. It shares functional similarities with through-hole versions like the 4N25M but differs in physical footprint and mounting method. The series is widely recognized for basic signal isolation tasks in consumer and industrial electronics.
Replacement Considerations
Direct pin-compatible replacements include the 4N25SM (through-hole) for prototyping or the 4N25SR2M (surface-mount). Verify that substitute parts maintain the same isolation voltage and current transfer ratio specifications.
