Mfr Part #:

6N139

Mfr Name: QTC

The 6N139 is a high-speed split Darlington photocoupler from QTC, offering 5000Vrms isolation. It is suitable for digital logic ground isolation and microprocessor bus isolation.

✓ Total Stock: 2,050 pcs

$ Price Range: $1.59

6N139 Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Optech Co.,Limited ✓ Non-Authorised Inventory information	2,050 pcs On Request	2050 pcs	On Request	1	On Request	On Request	24+	On Request	On Request

6N139 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	QTC
Mounting Type	Through Hole
Operating Temperature	-55 to 85 °C
Peak Forward Current	40 mA
Power Dissipation	100 mW
Reverse Voltage	5 V

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6N139 Description

Short technical summary and product information.

The 6N139 is a high-speed split Darlington photocoupler featuring an infrared emitting diode optically coupled to a high-gain split Darlington photodetector. It is packaged in an 8-pin DIP package.

Key electrical characteristics include a typical isolation voltage of 5000 Vrms and a typical forward voltage of 1.4V. The device operates over a temperature range of -55°C to 100°C. It is designed for applications such as digital logic ground isolation, RS-232C line receiver, high common mode noise line receiver, microprocessor bus isolation, and current loop receiver.

The photocoupler is available in an 8-DIP package with through-hole mounting. It offers a typical current transfer ratio of 500% at 1.6mA and a maximum output current of 60mA.

6N139 Quick Information

Product Type: Optocoupler

Canonical Name: 6N139 High Speed Split Darlington Photocoupler

Subcategory: Optoisolator - Transistor, Photovoltaic Output

6N139 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

Lead Free: Pb free and RoHS compliant

6N139 Estimated Pricing

Qty	Low	High
1+	$1.59	$1.59

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

6N139 Features

High isolation voltage of 5000 Vrms.
High gain split Darlington photodetector.
Typical forward voltage is 1.4V.
Maximum output current is 60mA.
Operates from -55°C to 100°C.

6N139 Applications

Digital logic ground isolation.
RS-232C line receiver.
Microprocessor bus isolation.
High common mode noise receiver.

6N139 FAQs

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

What is the isolation voltage of the 6N139 photocoupler?

The 6N139 photocoupler has an isolation voltage of 5000 Vrms.

What is the typical forward voltage for the 6N139?

The typical forward voltage for the 6N139 is 1.4V.

What is the operating temperature range of the 6N139?

The 6N139 operates from -55°C to 100°C.

What is the current transfer ratio (CTR) of the 6N139?

The minimum current transfer ratio is 500% at 1.6mA.

What is the maximum output current for the 6N139?

The maximum output current for the 6N139 is 60mA.

What package type is the 6N139 available in?

The 6N139 is available in an 8-DIP (0.300", 7.62mm) package.