4N28SMT&R

$0.22

Description：OPTOISO 5.3KV 1CH TRANS W/BASE
Series：4N28
Mfr：Isocom Components 2004 LTD
Package：Tape & Reel (TR)

SKU:2d42748004a4 Category: Transistor, Photovoltaic Output Optoisolators Brand: Isocom Components 2004 LTD

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Product introduction

Product Detailed Parameters

Description：OPTOISO 5.3KV 1CH TRANS W/BASE
Series：4N28
Mfr：Isocom Components 2004 LTD
Package：Tape & Reel (TR)
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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4N28SMT&R

Overview

The 4N28SMT&R is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features a transistor output with base and provides an isolation voltage of 5300Vrms. The device is designed for surface mount installation in a 6-pin SMD package. It accepts DC input signals and supports a maximum forward current of 60 mA. The component operates within a temperature range of -55°C to 100°C, ensuring reliability in various industrial environments.

Feature Summary

Provides high-voltage electrical isolation between input and output circuits
Features a transistor output configuration with accessible base terminal
Designed for surface mount technology (SMD) applications
Supports direct coupling with standard logic families

Applications

Industrial process control systems
Communication equipment signal isolation
Microprocessor system interface circuits
Power supply feedback loops

Procurement Notes

Verify the manufacturer designation as Isocom Components 2004 LTD when sourcing this specific part number. Confirm that the suffix indicates tape and reel packaging suitable for automated assembly processes. Ensure compatibility with existing PCB footprints designed for 6-pin SMD configurations before finalizing procurement decisions.

Selection Notes

Select this component when a robust, general-purpose optocoupler with base access is required for cost-sensitive designs. The 5300Vrms isolation rating makes it suitable for applications requiring significant noise immunity. Consider the surface mount form factor for space-constrained boards where through-hole mounting is not feasible.

Part Context

This component belongs to the widely recognized 4N28 family of optocouplers, which are industry-standard devices for basic isolation tasks. The SMT variant offers advantages in manufacturing efficiency and board density compared to traditional DIP packages. It serves as a fundamental building block for digital signal isolation in consumer and industrial electronics.