4N22U

Description：OPTOISO 1KV TRANS W/BASE 6-LCC
Series：-
Mfr：TT Electronics/Optek Technology
Package：Bulk

SKU:ece91f1da6f5 Category: Transistor, Photovoltaic Output Optoisolators Brand: TT Electronics/Optek Technology

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Product introduction

Product Detailed Parameters

Description：OPTOISO 1KV TRANS W/BASE 6-LCC
Series：-
Mfr：TT Electronics/Optek Technology
Package：Bulk
Number of Channels：1
Voltage - Isolation：1000VDC
Current Transfer Ratio (Min)：25% @ 10mA
Current Transfer Ratio (Max)：-
Turn On / Turn Off Time (Typ)：-
Rise / Fall Time (Typ)：15µs, 15µs
Input Type：DC
Output Type：Transistor with Base
Voltage - Output (Max)：35V
Current - Output / Channel：-
Voltage - Forward (Vf) (Typ)：1.3V (Max)
Current - DC Forward (If) (Max)：40 mA
Vce Saturation (Max)：300mV
Operating Temperature：-55°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：6-SMD, No Lead
Supplier Device Package：6-LCC (6.22x4.32)

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4N22U

Overview

The 4N22U is a single-channel transistor output optocoupler manufactured by TT Electronics/Optek Technology. It features an NPN phototransistor output and utilizes a ceramic package with six pins. The device provides 1000 Vrms isolation voltage between input and output circuits. Key electrical parameters include a minimum current transfer ratio of 25%, a maximum collector-emitter saturation voltage of 300 mV, and a collector current rating of 50 mA. It operates within a temperature range of -65°C to +125°C.

Feature Summary

Provides high-voltage electrical isolation for signal transmission
Features an NPN phototransistor output stage
Constructed in a robust ceramic package for durability

Applications

Industrial control systems requiring galvanic isolation
Solid-state relay driver circuits
Microcontroller interface isolation

Procurement Notes

Verify the specific manufacturer source when ordering, as multiple entities including Micropac, Minco Technology Labs LLC, and TT Electronics plc produce components under this designation. Confirm compliance requirements such as lead content and RoHS status, as specifications vary significantly between military-grade and commercial variants. Ensure the package type matches the intended PCB layout before procurement.

Selection Notes

Select this component for applications demanding high-temperature stability and reliable isolation performance. The wide operating temperature range supports harsh environments. Consider the specific CTR and switching speed requirements against the datasheet limits. Verify that the ceramic package dimensions fit the mechanical constraints of the design.

Part Context

This part belongs to the family of transistor output optocouplers designed for general-purpose isolation. It shares functional similarities with other models like the 4N22 and 4N24 but differs in packaging and specific manufacturing origin. The U suffix typically denotes a specific package or qualification variant within the broader product line.