
Overview
The CDLL4477 is a zener Diode made by Microchip Technology in a DO-213AB 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 C17623934).
Symbol
Footprint
Parameters
4- Impedance(Zzt)
- 25Ω
- Pd - Power Dissipation
- 1.5W
- Reverse Leakage Current (Ir)
- 50nA@26.4V
- Zener Voltage(Nom)
- 33V
Order codes
1- CDLL4477LCSC C17623934
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the CDLL4477?
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 CDLL4477?
DO-213AB, with 2 pins. Its footprint is drawn on this page.
Where is the CDLL4477 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the CDLL4477?
JLCPCB lists it as part C17623934, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CDLL4477?
Parts like it in the library: the 1N5937BUR-1/TR by Microchip Technology, the JAN1N4477CUS/TR by Microchip Technology, the JAN1N4477DUS/TR by Microchip Technology and the JAN1N4477US/TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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81N5937BUR-1/TR
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