4N37 The 4N37 is a transistor output optocoupler from Lite-On Inc. It offers 1500Vrms isolation voltage and operates over a temperature range of -55°C to 100°C.
Mfr Part #:

4N37

Available from 3 distributors
Mfr Name: Lite-On Inc.
Lite-On Inc.
The 4N37 is a transistor output optocoupler from Lite-On Inc. It offers 1500Vrms isolation voltage and operates over a temperature range of -55°C to 100°C.
Total Stock: 150,203 pcs
$ Price Range: $0.99

4N37 Available from 3 distributors

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Non-Authorised

4N37 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current Transfer Ratio (Min)
Forward Voltage
Input Type
Mounting Type
Number of Channels
Operating Temperature
Output Type
Rise
SVHC Present
Supplier Device Package
Supplier Package
Vce Saturation (Max)
Voltage

4N37 Description

Short technical summary and product information.

The 4N37 is an optocoupler featuring a DC input type and a transistor output with base. It provides a high input-output isolation voltage of 1500Vrms, making it suitable for isolation applications.

 

Key electrical specifications include a minimum current transfer ratio of 100% at 10mA, a maximum forward current of 60mA, and a maximum forward voltage of 1.5V. The collector emitter voltage has a maximum rating of 30V, with a saturation voltage of 300mV. Response times are typically 3µs for both rise and fall.

 

This optocoupler operates within a temperature range of -55°C to 100°C. It is housed in a standard 6-DIP package and utilizes through-hole mounting.

 

Environmental compliance includes RoHS3 compliance and an MSL rating of 1. The REACH status is unaffected. Safety limit values are specified for both the diode and phototransistor sides.

4N37 Quick Information

Product Type: Optocoupler
Canonical Name: 4N37 Transistor Output Optocoupler
Subcategory: Transistor Output Optocoupler

4N37 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

4N37 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

4N37 Features

  • 1500Vrms input-output isolation voltage.
  • Minimum CTR of 100% at 10mA.
  • Fast response time of 3µs.
  • Wide operating temperature range.
  • Standard 6-DIP through-hole package.

4N37 Applications

  • Used for circuit isolation.
  • Suitable for power supply regulators.
  • Interfaces with digital logic.
  • Microcontroller output control.

4N37 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the 4N37 optocoupler?

The 4N37 optocoupler has an isolation voltage of 1500Vrms.

What is the operating temperature range for the 4N37?

The 4N37 operates between -55°C and 100°C.

What is the minimum Current Transfer Ratio (CTR) for the 4N37?

The minimum CTR for the 4N37 is 100% at a forward current of 10mA.

What package type is the 4N37 optocoupler available in?

The 4N37 is available in a 6-DIP package.

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