
Overview
The CDLL5278 is a zener Diode made by Microchip Technology in a DO-213AA package with 2 pins.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (Diode_SMD:D_MiniMELF, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C17618119).
Symbol
Footprint
Parameters
7- Diode Configuration
- 1 Independent
- Impedance(Zzk)
- 5.5kΩ
- Impedance(Zzt)
- 1.9kΩ
- Operating Junction Temperature Range
- -65℃~+200℃
- Reverse Leakage Current (Ir)
- 100nA@123V
- Tolerance
- ±20%
- Zener Voltage(Nom)
- 170V
Order codes
1- CDLL5278LCSC C17618119
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the CDLL5278?
Yes. The symbol is Device:D_Zener and the footprint Diode_SMD:D_MiniMELF, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CDLL5278?
DO-213AA, with 2 pins. Its footprint is drawn on this page.
Where is the CDLL5278 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the CDLL5278?
JLCPCB lists it as part C17618119, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CDLL5278?
Parts like it in the library: the 1N5278BUR-1/TR by Microchip Technology, the CDLL5278A by Microchip Technology, the CZRB5385B-HF by Comchip and the SMBJ5385B-TP by Micro Commercial Components. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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