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1SMA4737A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA4737A product

1SMA4737A

Diodes - Zener - Single

Zener Diode1W7.5VSMA

The 1SMA4737A is a 1W surface-mount Zener diode providing a 7.5V nominal voltage, suitable for general-purpose voltage regulation and circuit protection.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • Applications requiring extremely low power dissipation or non-standard footprints.

Check before use

  • Thermal design of the PCB land area.

Key specifications

Nominal Vz
7.5 V
Power Dissipation
1000 mW
Dynamic Impedance
4.0 Ω

Compliance & Environment

RoHS
Compliant
REACH
Compliant
MSL
1
ECCN
-
HTSUS
-

Application

Voltage RegulationOvervoltage Protection

Datasheet

559b16ba36d25608a2156b5dde9516b3_2402281642_hongjiacheng-1SMA4737A_C19077478.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMA4737A: 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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Where to Buy

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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

It is a 1W silicon Zener diode in an SMA (DO-214AC) package, designed for voltage regulation and overvoltage protection.