
Overview
The 1N4481 is a zener Diode made by Microchip Technology in a DO-41 package with 2 pins.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (EasyEDA_Cloud:DO-41_BD1.9-L3.3-P7.30-D0.8-RD, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C6073639).
Symbol
Footprint
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 1kΩ
- Impedance(Zzt)
- 50Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 1.5W
- Reverse Leakage Current (Ir)
- 50nA@37.6V
- Tolerance
- ±5%
- Zener Voltage(Nom)
- 47V
Order codes
1- 1N4481LCSC C6073639
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the 1N4481?
Yes. The symbol is Device:D_Zener and the footprint EasyEDA_Cloud:DO-41_BD1.9-L3.3-P7.30-D0.8-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N4481?
DO-41, with 2 pins. Its footprint is drawn on this page.
Where is the 1N4481 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4481?
JLCPCB lists it as part C6073639, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N4481?
Parts like it in the library: the 1N4481D by Microchip Technology, the 1SMA5941A by LGE, the SMBJ5368B-MS by MSKSEMI and the SMBJ5368B by Zhengxin. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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