Mfr Part #:

4N37TM

The Fairchild Semiconductor 4N37TM is an optoisolator featuring transistor output with base control. It offers 4170Vrms isolation and operates within a -40°C to 100°C temperature range.

✓ Total Stock: 764 pcs

$ Price Range: $0.99

4N37TM Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Hybrid Electronics ✓ Non-Authorised Inventory information	764 pcs On Request	764 pcs	On Request	1	On Request	On Request	2002	On Request	On Request

4N37TM Specifications Quick View

Most important parameters for selection – full specs in datasheet.

SELECT ALL

Category	New Products
Manufacturer Name	On Semiconductor
Forward Current	60 mA
Forward Voltage	1.18V
Mounting Type	Through Hole
Operating Temperature	-40°C ~ 100°C
Output Voltage	30V
Package / Case	6-DIP (0.400", 10.16mm)

View Similar Products (0)

4N37TM Description

Short technical summary and product information.

The Fairchild Semiconductor 4N37TM is a transistor output optoisolator designed for isolation applications. It provides a high isolation voltage of 4170Vrms, ensuring robust separation between input and output circuits.

Key electrical characteristics include a minimum current transfer ratio of 100% at 10mA, a typical forward voltage of 1.18V, and a maximum DC forward current of 60mA. The device exhibits typical turn-on and turn-off times of 2µs. The output can handle a maximum voltage of 30V, with a Vce saturation of 300mV.

This optoisolator is housed in a standard 6-DIP through-hole package, suitable for various mounting configurations. It operates reliably across a wide temperature range of -40°C to 100°C, making it suitable for diverse environmental conditions. The RoHS status is reported as RoHS3 Compliant, and the Moisture Sensitivity Level is MSL 1.

4N37TM Quick Information

Product Type: Optoisolator

Canonical Name: 4N37TM Optoisolator - Transistor with Base Output

Subcategory: Optoisolators - Transistor, Photovoltaic Output

4N37TM Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

4N37TM Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

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

4N37TM Features

4170Vrms isolation voltage rating.
Minimum 100% CTR at 10mA.
Typical 2µs turn-on and turn-off times.
Operates from -40°C to 100°C.
Through-hole 6-DIP package.

4N37TM Applications

Used for signal isolation.
Suitable for power supply circuits.
Applicable in control systems.
Ideal for telecommunication interfaces.

4N37TM FAQs

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

What is the isolation voltage of the 4N37TM optoisolator?

The 4N37TM optoisolator has an isolation voltage of 4170Vrms.

What is the minimum current transfer ratio for the 4N37TM?

The minimum current transfer ratio is 100% at 10mA.

What are the typical turn-on and turn-off times for the 4N37TM?

The typical turn-on and turn-off times are both 2µs.

What is the operating temperature range for the 4N37TM?

The operating temperature range is -40°C to 100°C.

What type of package is the 4N37TM supplied in?

The 4N37TM is supplied in a 6-DIP package.

Is the 4N37TM RoHS compliant?

The RoHS status is RoHS3 Compliant.