4N49 The 4N49 is a high-reliability optoisolator from Micropac Industries, featuring 1kV electrical isolation and a TO-78 hermetically sealed package.
Mfr Part #:

4N49

Available from 1 distributors
Mfr Name: Micropac Industries
Micropac Industries
The 4N49 is a high-reliability optoisolator from Micropac Industries, featuring 1kV electrical isolation and a TO-78 hermetically sealed package.
Total Stock: 208 pcs
$ Price Range: $0.99

4N49 Available from 1 distributor

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4N49 Specifications Quick View

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Manufacturer Name
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4N49 Description

Short technical summary and product information.

The 4N49 is a high-reliability optoisolator manufactured by Micropac Industries. It provides 1kV of electrical isolation between its input and output, making it suitable for applications requiring robust isolation in electrically noisy environments.

 

This optoisolator features a high current transfer ratio (CTR) of 200% at 1mA, with a maximum CTR of 10. It operates over a wide temperature range of -55°C to 125°C and has a wavelength of 935nm. The device comes in a TO-78 hermetically sealed package with through-hole mounting and a lead length of 0.5 inches.

 

Applications for the 4N49 include high-voltage isolation between input and output stages, and general electrical isolation in industrial equipment, medical equipment, and office equipment where reliable separation is critical.

4N49 Quick Information

Product Type: Optoisolator
Canonical Name: 4N49 Optoisolator
Subcategory: Current Regulation - Diodes, Transistors

4N49 Compliance

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

4N49 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

4N49 Features

  • 1kV electrical isolation rating.
  • High current transfer ratio (200% @ 1mA).
  • TO-78 hermetically sealed package.
  • Wide operating temperature range.
  • Suitable for high-voltage isolation.

4N49 Applications

  • High-voltage isolation applications.
  • Isolation in noisy environments.
  • Industrial equipment use.
  • Medical equipment use.
  • Office equipment use.

4N49 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the 4N49 optoisolator?

The 4N49 optoisolator has an isolation voltage of 1kV.

What is the minimum current transfer ratio for the 4N49 at 1mA?

The minimum current transfer ratio for the 4N49 at 1mA is 200%.

What is the operating temperature range for the 4N49?

The 4N49 operates between -55°C and 125°C.

What package type is the 4N49 optoisolator supplied in?

The 4N49 optoisolator is supplied in a TO-78 package.

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