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4N37

The Motorola Semiconductor 4N37 is a PDIP packaged optocoupler featuring a phototransistor output. It offers 80V collector-emitter voltage and 100mA maximum collector current.

✓ Total Stock: 461 pcs

$ Price Range: $0.99

4N37 Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Partservice ✓ Non-Authorised Inventory information	411 pcs On Request	411 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Speed Components Ltd ✓ Non-Authorised Inventory information	50 pcs On Request	50 pcs	On Request	1	On Request	On Request	9340	On Request	On Request

4N37 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Motorola Semicondutor

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4N37 Description

Short technical summary and product information.

The Motorola Semiconductor 4N37 is an optocoupler designed for signal isolation applications. It consists of a gallium arsenide infrared LED and a silicon NPN phototransistor.

Key electrical specifications include a maximum collector-emitter voltage of 80V, a maximum collector current of 100mA, and a typical forward current of 60mA. The device provides a typical current transfer ratio of 50% and an isolation voltage of 5300Vrms. It operates within a temperature range of -55°C to 100°C.

This component is housed in a PDIP package and is designed for through-hole mounting. Its typical forward voltage is 1.5V, and it has a maximum power dissipation of 150mW.

4N37 Quick Information

Product Type: Optocoupler

Series: 4N37-X Series

Canonical Name: 4N37 Optocoupler

Subcategory: Transistor, Photovoltaic Output

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

80V collector-emitter breakdown voltage.
100mA maximum collector current.
5300Vrms isolation voltage.
PDIP package for through-hole mounting.
Wide operating temperature range.

4N37 Applications

Provides isolation in power supply feedback circuits.
Used for microcontroller to high-voltage interface isolation.
Suitable for signal isolation in industrial controls.
Common in digital logic level shifting circuits.

4N37 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the maximum collector-emitter voltage of the 4N37?

The maximum collector-emitter voltage is 80V.

What is the maximum collector current of the 4N37?

The maximum collector current is 100mA.

What is the isolation voltage rating?

The isolation voltage is 5300Vrms.

What package does the 4N37 come in?

The 4N37 is available in a PDIP package with through-hole mounting.

What is the operating temperature range?

The operating temperature range is -55°C to 100°C.

What is the typical current transfer ratio?

The typical current transfer ratio is 50%.

What is the forward voltage of the input LED?

The typical forward voltage is 1.5V.