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1N4746A The 1N4746A is a 18V Zener diode from On Semiconductor with 1W power dissipation, ±5% tolerance, in a DO-41 through-hole package.
Mfr Part #:

1N4746A

Available from 5 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 1N4746A is a 18V Zener diode from On Semiconductor with 1W power dissipation, ±5% tolerance, in a DO-41 through-hole package.
Total Stock: 114,940 pcs

1N4746A Available from 5 distributors

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1N4746A 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
Termination Style
Tolerance
Voltage
Zener Voltage (Nominal)

1N4746A Description

Short technical summary and product information.

The 1N4746A is a Zener diode designed for voltage regulation and reference applications. It features a nominal Zener voltage of 18V with a tolerance of ±5% and a power dissipation rating of 1W.

 

Electrical characteristics include a dynamic impedance (Zzt) of 20Ω and a reverse leakage current of 5µA at 13.7V reverse voltage. The device operates over a junction temperature range of -65°C to 200°C.

 

The 1N4746A is offered in a DO-204AL / DO-41 axial leaded package suitable for through-hole mounting. This standard package allows for easy insertion in printed circuit boards and prototyping.

1N4746A Quick Information

Product Type: Zener Diode
Canonical Name: 1N4746A Zener Diode, 18V, 1W, DO-41
Subcategory: Single Zener Diode

1N4746A Compliance

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

1N4746A Features

  • Nominal Zener voltage of 18V.
  • Power dissipation rating of 1 watt.
  • Tolerance of ±5%.
  • Dynamic impedance of 20 ohms.
  • Through-hole DO-41 axial package.

1N4746A Applications

  • Used in voltage regulation circuits.
  • Ideal for overvoltage protection.
  • Suitable for reference voltage sources.

1N4746A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the nominal Zener voltage of the 1N4746A?

18V.

What is the power dissipation rating of the 1N4746A?

1W.

What is the tolerance on the Zener voltage?

±5%.

What is the dynamic impedance (Zzt) of the 1N4746A?

20Ω.

What is the reverse leakage current?

5µA at 13.7V reverse voltage.

What is the operating temperature range?

-65°C to 200°C.

What package does the 1N4746A come in?

DO-204AL / DO-41 axial leaded through-hole package.

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