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1N4748A The 1N4748A is a 22V, 1W Zener diode from ON Semiconductor in a DO-41 through-hole package.
Mfr Part #:

1N4748A

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 1N4748A is a 22V, 1W Zener diode from ON Semiconductor in a DO-41 through-hole package.
Total Stock: 7,409 pcs

1N4748A Available from 4 distributors

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1N4748A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (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

1N4748A Description

Short technical summary and product information.

The 1N4748A is a Zener diode designed for voltage regulation and overvoltage protection applications. It features a nominal Zener voltage of 22V with a power dissipation rating of 1W. The diode offers a maximum impedance (Zzt) of 23Ω and a reverse leakage current of 5µA at 16.7V.

 

Encased in a DO-204AL (DO-41) axial lead through-hole package, the device is suitable for through-hole mounting on PCBs. It operates over a wide temperature range from -65°C to 200°C, making it robust for various environments.

 

Typical applications include shunt voltage regulation, clipping circuits, and reference voltage sources in low-power circuits.

1N4748A Quick Information

Product Type: Zener Diode
Canonical Name: 1N4748A Zener Diode, 22V, 1W, DO-41
Subcategory: Single Zener Diode

1N4748A Compliance

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

1N4748A Features

  • Zener voltage of 22V nominal.
  • Power dissipation rating of 1W.
  • Maximum impedance of 23Ω.
  • Reverse leakage current 5µA at 16.7V.
  • Operating temperature range -65°C to 200°C.

1N4748A Applications

  • Ideal for voltage regulation in low-power circuits.
  • Used for overvoltage protection in DC supplies.
  • Serves as a reference voltage in precision circuits.
  • Applicable in clipping and clamping circuits.
  • Suitable for general-purpose Zener diode applications.

1N4748A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N4748A?

22V.

What is the package type of the 1N4748A?

DO-204AL, DO-41, Axial (supplier device package is DO-41).

What is the power dissipation rating?

1W.

What is the maximum impedance (Zzt)?

23Ω.

What is the reverse leakage current?

5µA at 16.7V.

What is the tolerance of the Zener voltage?

±5%.

What is the operating temperature range?

-65°C to 200°C.

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