
Overview
The 1N4749UR is a zener Diode made by Microchip Technology in a DO-213AB(MELF,LL41) package with 2 pins.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (Diode_SMD:D_MELF, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C20289390).
Symbol
Footprint
Parameters
8- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 750Ω
- Impedance(Zzt)
- 25Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 1W
- Reverse Leakage Current (Ir)
- 5uA@18.2V
- Tolerance
- ±10%
- Zener Voltage(Nom)
- 24V
Order codes
1- 1N4749URLCSC C20289390
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the 1N4749UR?
Yes. The symbol is Device:D_Zener and the footprint Diode_SMD:D_MELF, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N4749UR?
DO-213AB(MELF,LL41), with 2 pins. Its footprint is drawn on this page.
Where is the 1N4749UR datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4749UR?
JLCPCB lists it as part C20289390, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N4749UR?
Parts like it in the library: the DL4749A by LGE, the ZM4749A by MSKSEMI, the ZM4749A by Slkor and the ZM4749A-TD by TDSEMIC. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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