1N5251B The 1N5251B is a 500mW Zener Diode manufactured by Won-Top Electronics. It features a 22V Zener voltage and is designed for through-hole mounting.
Mfr Part #:

1N5251B

Available from 1 distributors
Mfr Name: ITT Cannon
ITT Cannon
The 1N5251B is a 500mW Zener Diode manufactured by Won-Top Electronics. It features a 22V Zener voltage and is designed for through-hole mounting.
Total Stock: 3,900 pcs
$ Price Range: $0.02

1N5251B Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,900 pcs
3900 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

1N5251B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Forward Voltage
Lead Style
Tolerance

1N5251B Description

Short technical summary and product information.

The 1N5251B is a 500mW Zener Diode from Won-Top Electronics, designed for reliable voltage regulation in electronic circuits. This unidirectional diode has a Zener voltage of 22V and a reverse standoff voltage of 17V, with a typical forward voltage of 1.2V at 5.6mA.

 

With a maximum power dissipation of 500mW, the 1N5251B is suitable for various applications requiring stable voltage reference. It operates within a temperature range of -65°C to 200°C. The component is designed for through-hole mounting, making it easy to integrate into existing PCB designs.

 

Key electrical specifications include a tolerance of 5% for the Zener voltage, ensuring precise regulation. The diode's robust construction and operating temperature range make it a dependable choice for demanding environments. This part is often used in power supply circuits, voltage clamping, and surge protection applications.

1N5251B Quick Information

Product Type: Zener Diode
Canonical Name: 1N5251B Zener Diode
Subcategory: Zener Diode

1N5251B Compliance

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

1N5251B Estimated Pricing

Qty Low High
1+ $0.02 $0.02

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

1N5251B Features

  • 500mW Zener Diode for voltage regulation.
  • 22V nominal Zener voltage with 5% tolerance.
  • Operates from -65°C to 200°C.
  • Through-hole mounting for easy integration.
  • Unidirectional polarity for specific circuit needs.

1N5251B Applications

  • Voltage regulation in power supplies.
  • Circuit protection against overvoltage.
  • Stable voltage reference applications.
  • Used in signal conditioning circuits.

1N5251B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N5251B?

22V

What is the maximum power dissipation?

500mW

What is the tolerance of the Zener diode?

5%

What is the Zener current?

5.6mA

What is the forward voltage?

1.2V

What is the operating temperature range?

-65°C to 200°C

What is the package type?

Through hole with 2 terminals

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The Philips 1N4745A is a silicon Zener diode with a voltage rating of 16V. It offers a maximum power dissipation of 1W and a tolerance of 5%.
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