
Overview
The CDLL978B is a zener Diode made by Microchip Technology in a DO-213AB package with 2 pins. 125Ω 500mW 500nA@39V 51V DO-213AB Zener Diodes.
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 C7100733).
Symbol
Footprint
Parameters
4- Impedance(Zzt)
- 125Ω
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 500nA@39V
- Zener Voltage(Nom)
- 51V
Order codes
1- CDLL978BLCSC C7100733
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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Is there a KiCad symbol and footprint for the CDLL978B?
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 CDLL978B?
DO-213AB, with 2 pins. Its footprint is drawn on this page.
Where is the CDLL978B datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the CDLL978B?
JLCPCB lists it as part C7100733, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CDLL978B?
Parts like it in the library: the ZM4757APF by STMicroelectronics, the ZM4757A by Zhengxin, the ZM4757A-GS08 by Vishay Intertechnology and the 1N3037BUR-1/TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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