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Product Detailed Parameters
- Description：OPTOISO 5.3KV 1CH TRANS W/BASE
- Series：4N27
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：10% @ 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 4N27SM is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features a phototransistor output with base connection, housed in a 6-SMD package. The device provides an isolation voltage of 5300Vrms and supports a maximum forward input current of 60 mA. It operates within a temperature range of -40°C to 100°C.
Feature Summary
- Provides electrical isolation between input and output circuits using infrared light transmission.
- Integrates a phototransistor output stage with a dedicated base terminal for improved switching performance.
- Designed for surface-mount assembly to facilitate automated PCB manufacturing processes.
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Solid-state relay driver circuits
Procurement Notes
Verify the specific suffix against official manufacturer documentation to confirm pinout compatibility and package dimensions. Ensure the component meets required isolation voltage ratings for the target application environment. Cross-reference datasheets to validate thermal characteristics and current transfer ratios before integration into final designs.
Selection Notes
Select this component when a standard transistor-output optocoupler is needed in a surface-mount format. Consider the base pin availability if faster switching speeds are required compared to base-less variants. Verify that the 5300Vrms isolation rating aligns with safety standards applicable to the equipment design.
Part Context
Isocom Components 2004 LTD specializes in infrared optoelectronic devices, offering alternatives to discontinued industry-standard components. The 4N27SM belongs to their portfolio of high-reliability optocouplers designed to replace legacy through-hole parts with modern surface-mount equivalents while maintaining functional compatibility.
Replacement Considerations
The 4N27XSM is listed as a variant from the same manufacturer. Verify pinout and electrical specifications against official datasheets before substitution.
