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Product Detailed Parameters
- Description：OPTOISO 5.3KV 1CH TRANS W/BASE
- Series：4N25
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- 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)：30V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- 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：-
- Grade：-
- Qualification：-
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Overview
The 4N25SM is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a DC input and a transistor output with base connection, housed in a 6-pin PDIP surface-mount package. The device provides an isolation voltage of 5300Vrms (5.3kVrms). Key electrical parameters include a maximum forward voltage of 1.5V, a maximum input current of 60mA, and a typical rise/fall time of 2μs. The current transfer ratio ranges from 20% to 20%. Operating temperatures span from -55°C to 100°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using infrared technology.
- Integrates a phototransistor output with a base terminal for external control or improved switching characteristics.
- Designed for surface-mount assembly to facilitate automated PCB manufacturing processes.
Applications
- Signal isolation in industrial control systems
- Interface circuits for microprocessors and logic devices
- Switching applications requiring galvanic isolation
Procurement Notes
Verify the specific suffix 'SM' confirms the surface-mount PDIP variant rather than through-hole versions. Confirm compliance with RoHS directives if required for your region. Check datasheet revisions for updates on mechanical dimensions and thermal characteristics before finalizing design integration.
Selection Notes
Select this component when surface-mount packaging is required for the standard 4N25 functionality. Ensure the 2μs switching speed meets the application's timing requirements. Verify that the 5300Vrms isolation rating satisfies the safety standards of the target environment.
Part Context
This part belongs to the 4N25 series of optocouplers produced by Isocom Components 2004 LTD. The manufacturer has over 40 years of experience in infrared optoelectronic components. The 4N25 series is widely recognized for general-purpose isolation tasks.
Replacement Considerations
Cross-reference with other manufacturers offering 4N25-series SMD variants. Verify pinout compatibility and package dimensions before substitution. Ensure equivalent isolation voltage and current transfer ratio specifications are met.
