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Product Detailed Parameters
- Description：OPTOISO 4.17KV TRANS W/BASE 6SMD
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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
- Grade：-
- Qualification：-
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Overview
The onsemi 4N25SR2VM is a single-channel transistor output optocoupler housed in a surface-mount 6-pin DIP package. It features an NPN phototransistor output with a collector-emitter voltage of 30V and a maximum forward current of 60mA. The device provides high isolation capability, rated at 4170Vrms or 7500Vac depending on specific configuration variants. Key electrical parameters include a typical rise/fall time of 2μs and a minimum current transfer ratio of 20%. Operating temperatures range from -40°C to +100°C, ensuring reliability in industrial environments.
Feature Summary
- Provides galvanic isolation between input and output circuits using infrared LED technology.
- Features a compact surface-mount 6-pin DIP package suitable for automated assembly processes.
- Delivers fast switching performance with typical rise and fall times of 2 microseconds.
Applications
- Industrial control systems requiring signal isolation
- Communication interface circuits for data transmission
- Power supply feedback loops for voltage regulation
Procurement Notes
Verify the specific suffix designation (e.g., SR2VM) against the manufacturer's official datasheet to confirm exact isolation ratings and packaging specifications. Ensure compatibility with surface-mount reflow soldering profiles. Confirm that the selected variant meets the required insulation voltage standards for the target application safety regulations.
Selection Notes
Select this component when a standard NPN phototransistor output is required for general-purpose isolation. Consider the 30V collector-emitter voltage limit for low-voltage logic interfacing. Evaluate the 20% minimum current transfer ratio to ensure adequate signal coupling under varying temperature conditions and aging factors.
Part Context
This part belongs to the widely used 4N25 series of optocouplers, known for their versatility in digital signal isolation. The SR2VM suffix indicates a specific surface-mount tape-and-reel packaging format optimized for high-volume manufacturing. It serves as a modern replacement for through-hole equivalents in space-constrained PCB designs.
Replacement Considerations
Direct pin-compatible alternatives within the same family include the 4N25SM bulk package variant. Cross-reference with other manufacturers' generic 4N25 equivalents only if electrical parameters such as CTR and isolation voltage are strictly matched.
