Overview
The 1N5541B is a zener Diode made by Microchip Technology in a DO-35(DO-204AH) package with 2 pins. 108Ω 10nA@19.8V 22V 500mW DO-35(DO-204AH) Zener Diodes.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C7168329).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
4- Impedance(Zzt)
- 108Ω
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 10nA@19.8V
- Zener Voltage(Nom)
- 22V
Order codes
1- 1N5541BLCSC C7168329
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the 1N5541B?
Yes. The symbol is Device:D_Zener, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N5541B?
DO-35(DO-204AH), with 2 pins.
Where is the 1N5541B datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N5541B?
JLCPCB lists it as part C7168329, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N5541B?
Parts like it in the library: the MM1W22 by hongjiacheng, the BZT52C22 by Jiangsu Changjing Electronics Technology (CJ), the 1SMA4748A by Shandong Jingdao Microelectronics and the MMSZ5251B by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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