
Overview
The BZX55C18 is a zener Diode made by STMicroelectronics in a DO-35 package with 2 pins. 1 Independent 100nA@13V 16.8V~19.1V 170Ω 18V 500mW 50Ω DO-35 Zener Diodes ROHS.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (ICs And Semiconductors THD:DO-35, from CERN's library), ready for a KiCad board. 16 are in stock at JLCPCB (part C2525).
Symbol
Footprint
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 170Ω
- Impedance(Zzt)
- 50Ω
- Operating Junction Temperature Range
- -55℃~+175℃
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 100nA@13V
- Zener Voltage(Nom)
- 18V
- Zener Voltage(Range)
- 16.8V~19.1V
Order codes
1- BZX55C18LCSC C2525
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the BZX55C18?
Yes. The symbol is Device:D_Zener and the footprint ICs And Semiconductors THD:DO-35, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BZX55C18?
DO-35, with 2 pins. Its footprint is drawn on this page.
Where is the BZX55C18 datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the BZX55C18?
JLCPCB lists it as part C2525, with 16 in stock; the sellers' links on this page open their listings.
What can replace the BZX55C18?
Parts like it in the library: the BZX55C18 by XCH, the BZX55C18 by LGE, the BZT52C18 by GOODWORK and the MMSZ5248B by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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