
Overview
The 1N5249B is a zener Diode made by STMicroelectronics in a DO-35 package with 2 pins. 1 Independent 100nA@14V 18.05V~19.95V 19V 23Ω 500mW 600Ω ±5% 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-R-RD, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C118668).
Symbol
Footprint
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 600Ω
- Impedance(Zzt)
- 23Ω
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 100nA@14V
- Tolerance
- ±5%
- Zener Voltage(Nom)
- 19V
- Zener Voltage(Range)
- 18.05V~19.95V
Order codes
1- 1N5249BLCSC C118668
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the 1N5249B?
Yes. The symbol is Device:D_Zener and the footprint EasyEDA_Cloud:DO-35_BD2.0-L4.2-P8.20-D0.5-R-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N5249B?
DO-35, with 2 pins. Its footprint is drawn on this page.
Where is the 1N5249B datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the 1N5249B?
JLCPCB lists it as part C118668, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N5249B?
Parts like it in the library: the SMBJ5356B-MS by MSKSEMI, the SZMMSZ5249B by onsemi, the 1N2983B by Microchip Technology and the 1N4113DUR-1/TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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