1SMA4740A Datasheet, Specs, Alternatives & ECAD | Slkor(SLKORMICRO Elec.) | PartGenie

AI summary

1SMA4740A product

The 1SMA4740A is a 1W surface-mount Zener diode with a nominal breakdown voltage of 10V, suitable for voltage regulation in compact electronic circuits.

Best for

Voltage regulation
Overvoltage protection

Avoid if

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

Check before use

Thermal derating curve at operating temperatures above 75°C

Key specifications

Nominal Zener Voltage: 10 V
Power Dissipation: 1 W
Zener Impedance: 7 Ω

Compliance & Environment

RoHS: Yes
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

General Power Regulation

Datasheet

ee2ba57e5696bcb22017cccc9777ab89_2208101800_TWGMC-1SMA4740A_C4154513.pdf

800 KB

CAD Models

Download ECAD models for 1SMA4740A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

PCB Footprint

Land pattern for PCB layout

3D Model

STEP file for mechanical design

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 housed in an SMA (DO-214AC) surface-mount package, rated for 1W of power dissipation.