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1N5251B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1N5251B product

1N5251B

Diodes - Zener - Single

Zener Diode22V500mWAxial

The 1N5251B is a standard 500mW Zener diode providing a 22V regulated voltage, suitable for general-purpose circuit protection and regulation.

Best for

  • Voltage regulation
  • Signal clipping
  • Overvoltage protection

Avoid if

  • High-power applications exceeding 500mW
  • Applications requiring extremely low leakage current

Check before use

  • Thermal derating above 50°C
  • Lead temperature limits during soldering

Key specifications

Nominal Zener Voltage
22 V
Power Dissipation
500 mW
Zener Impedance
29 Ω

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General PurposePower Regulation

Datasheet

Fairchild-Semiconductor-company-11.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1N5251B: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The 1N5251B is a hermetically sealed glass Zener diode from onsemi, designed for voltage regulation with a nominal Zener voltage of 22V.