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1N4739A 1N4739A is a 9.1V Zener diode from On Semiconductor in a DO-41 through-hole package. It has a power dissipation of 1W and ±5% tolerance.
Mfr Part #:

1N4739A

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
1N4739A is a 9.1V Zener diode from On Semiconductor in a DO-41 through-hole package. It has a power dissipation of 1W and ±5% tolerance.
Total Stock: 13 pcs

1N4739A Available from 1 distributor

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1N4739A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Impedance (Zzt)
Lead Style
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Power
Power Dissipation
Reverse Leakage Current
Supplier Device Package
Tape & Reel
Tolerance
Voltage
Zener Voltage

1N4739A Description

Short technical summary and product information.

The 1N4739A is a Zener diode from On Semiconductor with a nominal Zener voltage of 9.1V and a tolerance of ±5%. It is rated for a power dissipation of 1W and features a low impedance of 5Ω. The reverse leakage current is 10µA at 7V. The device operates over a wide temperature range from -65°C to 200°C.

 

The diode is housed in a DO-41 axial lead package, designed for through-hole mounting. This package is commonly used for general-purpose Zener diodes and offers reliable performance in voltage regulation and reference circuits.

 

Typical applications include voltage regulation, voltage reference, and overvoltage protection in various electronic systems. The 1N4739A is RoHS3 compliant and has an MSL rating of 1 (unlimited).

1N4739A Quick Information

Product Type: Zener Diode
Canonical Name: 1N4739A Zener Diode, 9.1V, 1W, DO-41
Subcategory: Single

1N4739A Compliance

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

1N4739A Features

  • Zener voltage of 9.1V nominal.
  • Power dissipation rated at 1W.
  • Through-hole DO-41 package.
  • Operating temperature range -65°C to 200°C.
  • ±5% tolerance on Zener voltage.

1N4739A Applications

  • Used in voltage regulation circuits.
  • Ideal for voltage reference applications.
  • Suitable for overvoltage protection.
  • Common in power supply designs.

1N4739A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N4739A?

9.1V.

What is the power dissipation rating?

1W.

What is the package type?

DO-41 axial lead through-hole.

What is the tolerance on the Zener voltage?

±5%.

What is the operating temperature range?

-65°C to 200°C.

What is the reverse leakage current?

10µA at 7V.

What is the impedance?

5Ω.

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