1SMAF4757A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMAF4757A product

1SMAF4757A

Diodes

Zener Diode51V1WSMAF

The 1SMAF4757A is a 1W Zener diode with a 51V nominal breakdown voltage, housed in a compact SMAF surface-mount package.

Best for

  • Voltage regulation
  • Transient voltage suppression

Avoid if

  • Applications requiring extremely low leakage or high-precision voltage references

Check before use

  • Thermal derating curve at operating temperatures above 75°C

Key specifications

Nominal Zener Voltage
51V
Power Dissipation
1W
Dynamic Impedance
95Ω

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesConsumer Electronics

CAD Models

Download ECAD models for 1SMAF4757A: 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
Verified KiCad 8 symbol, footprint, and 3D model
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Alternative components

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

Design and risk insights

Questions & answers

It is a silicon planar Zener diode designed for voltage regulation, offering a 1W power dissipation rating and a nominal Zener voltage of 51V.