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1SMB5939B on a board, in 3D

1SMB5939B

MDD

-55℃~+150℃ 1 Independent 1uA@29.7V 37.05V~40.95V 39V 3W 45Ω 900Ω ±5% SMB Zener Diodes ROHS

Extended
DatasheetJLCPCBLCSCmdd/1SMB5939B
Category
Zener Diodes
Package
SMB
Pins
5

Overview

The 1SMB5939B is a zener Diode made by MDD in a SMB package with 2 pins. -55℃~+150℃ 1 Independent 1uA@29.7V 37.05V~40.95V 39V 3W 45Ω 900Ω ±5% SMB Zener Diodes ROHS.

PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (Diode_SMD:D_SMB, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2992896).

Symbol

Device:D_ZenerFrom KiCad's library

Footprint

12
Diode_SMD:D_SMBFrom KiCad's library

Order codes

1

Pinout

2
The pins of the 1SMB5939B
PinNameType
1KPassive
2APassive

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Questions

Is there a KiCad symbol and footprint for the 1SMB5939B?

Yes. The symbol is Device:D_Zener and the footprint Diode_SMD:D_SMB, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 1SMB5939B?

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

Where is the 1SMB5939B datasheet?

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

Where can I order the 1SMB5939B?

JLCPCB lists it as part C2992896, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 1SMB5939B?

Parts like it in the library: the SMBJ5338B by hongjiacheng, the SMBJ5339B by hongjiacheng, the 1SMB5918B by onsemi and the 1SMB5916B by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

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