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BZX55C51 on a board, in 3D

BZX55C51

STMicroelectronics

1 Independent 100nA 125Ω 48V~54V 500mW 51V 700Ω DO-35 Zener Diodes ROHS

Extended
DatasheetJLCPCBLCSCst/BZX55C51
Category
Zener Diodes
Package
DO-35
Pins
2

Overview

The BZX55C51 is a zener Diode made by STMicroelectronics in a DO-35 package with 2 pins. 1 Independent 100nA 125Ω 48V~54V 500mW 51V 700Ω DO-35 Zener Diodes ROHS.

PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (EasyEDA_Cloud:DO-35_BD2.0-L4.2-P8.20-D0.5-RD, from EasyEDA), ready for a KiCad board. 598 are in stock at JLCPCB (part C8038).

Symbol

Device:D_ZenerFrom KiCad's library

Footprint

12
EasyEDA_Cloud:DO-35_BD2.0-L4.2-P8.20-D0.5-RDFrom EasyEDA

Parameters

7
Diode Configuration
1 Independent
Impedance(Zzk)
700Ω
Impedance(Zzt)
125Ω
Pd - Power Dissipation
500mW
Reverse Leakage Current (Ir)
100nA
Zener Voltage(Nom)
51V
Zener Voltage(Range)
48V~54V

Order codes

1

Pinout

2
The pins of the BZX55C51
PinNameType
1KPassive
2APassive

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Questions

Is there a KiCad symbol and footprint for the BZX55C51?

Yes. The symbol is Device:D_Zener and the footprint EasyEDA_Cloud:DO-35_BD2.0-L4.2-P8.20-D0.5-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the BZX55C51?

DO-35, with 2 pins. Its footprint is drawn on this page.

Where is the BZX55C51 datasheet?

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

Where can I order the BZX55C51?

JLCPCB lists it as part C8038, with 598 in stock; the sellers' links on this page open their listings.

What can replace the BZX55C51?

Parts like it in the library: the 1SMA4757A by Shandong Jingdao Microelectronics, the BZT52C51 by LGE, the ZM4757APF by STMicroelectronics and the ZM4757A by Zhengxin. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8