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SM4742A on a board, in 3D

SM4742A

STMicroelectronics

-55℃~+150℃ 1 Independent 11.4V~12.6V 12V 1W 5uA@9V 9Ω SMAF Zener Diodes ROHS

Extended
DatasheetJLCPCBLCSCst/SM4742A
Category
Zener Diodes
Package
SMAF
Pins
2

Overview

The SM4742A is a zener Diode made by STMicroelectronics in a SMAF package with 2 pins. -55℃~+150℃ 1 Independent 11.4V~12.6V 12V 1W 5uA@9V 9Ω SMAF Zener Diodes ROHS.

PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (EasyEDA_Cloud:SMAF_L3.5-W2.6-LS4.7-RD, from EasyEDA), ready for a KiCad board. 1,936 are in stock at JLCPCB (part C3249913).

Symbol

Device:D_ZenerFrom KiCad's library

Footprint

12
EasyEDA_Cloud:SMAF_L3.5-W2.6-LS4.7-RDFrom EasyEDA

Parameters

7
Diode Configuration
1 Independent
Impedance(Zzt)
9Ω
Operating Junction Temperature Range
-55℃~+150℃
Pd - Power Dissipation
1W
Reverse Leakage Current (Ir)
5uA@9V
Zener Voltage(Nom)
12V
Zener Voltage(Range)
11.4V~12.6V

Order codes

1

Pinout

2
The pins of the SM4742A
PinNameType
1KPassive
2APassive

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Questions

Is there a KiCad symbol and footprint for the SM4742A?

Yes. The symbol is Device:D_Zener and the footprint EasyEDA_Cloud:SMAF_L3.5-W2.6-LS4.7-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SM4742A?

SMAF, with 2 pins. Its footprint is drawn on this page.

Where is the SM4742A datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the SM4742A?

JLCPCB lists it as part C3249913, with 1,936 in stock; the sellers' links on this page open their listings.

What can replace the SM4742A?

Parts like it in the library: the 1SMAF4742A-MS by MSKSEMI, the 1SMAF4742A by Shandong Jingdao Microelectronics, the 1SMAF4742A by Slkor and the 1SMAF4742A by Zhengxin. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8