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4N33SR2M

Darlington photocoupler, 5000Vrms, CTR 500% min, DIP-6

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Manufacturer Part：

4N33SR2M

Package：

DIP-6 (8.7 x 6.4 x 3.9mm, 2.54mm pitch)

Brand：
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Description

Product Overview

4N33SR2M from onsemi is a darlington-output photocoupler with ultra-high CTR (500% min) and 5000Vrms isolation. Allows very low LED drive (1mA) to control output loads. Base pin for speed optimization.

Working Principle

GaAs LED optically coupled to darlington phototransistor pair. First stage photocurrent drives second stage base. Darlington multiplication provides CTR of 500% or more.

Pin Description

Pin Name Function
1 Anode LED anode
2 Cathode LED cathode
4 Emitter Darlington emitter
5 Collector Darlington collector
6 Base First stage base

Applications

  • Low-power relay/solenoid driver
  • Industrial logic isolation
  • AC zero-cross trigger

Alternative Models

Manufacturer Part Number Notes
onsemi 4N32 Lower CTR
Vishay SFH6343 Similar darlington

4N33SR2M from onsemi is a darlington-output photocoupler with ultra-high CTR (500% min) and 5000Vrms isolation. Allows very low LED drive (1mA) to control output loads. Base pin for speed optimization.

GaAs LED optically coupled to darlington phototransistor pair. First stage photocurrent drives second stage base. Darlington multiplication provides CTR of 500% or more.

Pin Name Function
1 Anode LED anode
2 Cathode LED cathode
4 Emitter Darlington emitter
5 Collector Darlington collector
6 Base First stage base
  • Low-power relay/solenoid driver
  • Industrial logic isolation
  • AC zero-cross trigger
Manufacturer Part Number Notes
onsemi 4N32 Lower CTR
Vishay SFH6343 Similar darlington
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Contact Information

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Service & Packaging

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Contact Information

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Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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