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CD3821

Microchip Technology

100uA@1V 10Ω 1W 3.3V 400Ω ±10% - Zener Diodes ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/CD3821
Category
Zener Diodes
Pins
5

Overview

The CD3821 is a zener Diode made by Microchip Technology with 2 pins. 100uA@1V 10Ω 1W 3.3V 400Ω ±10% - Zener Diodes ROHS.

PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C7228088).

Symbol

Device:D_ZenerFrom KiCad's library

Footprint

The library has no footprint for this part yet.

Parameters

7
Impedance(Zzk)
400Ω
Impedance(Zzt)
10Ω
Operating Junction Temperature Range
-65℃~+175℃
Pd - Power Dissipation
1W
Reverse Leakage Current (Ir)
100uA@1V
Tolerance
±10%
Zener Voltage(Nom)
3.3V

Order codes

1

Pinout

2
The pins of the CD3821
PinNameType
1KPassive
2APassive

Questions

Is there a KiCad symbol and footprint for the CD3821?

Yes. The symbol is Device:D_Zener, both drawn on this page. PCBKit places them on a board for you when you design with it.

Where is the CD3821 datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the CD3821?

JLCPCB lists it as part C7228088, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD3821?

Parts like it in the library: the 1SMA5913B by onsemi, the 1SMA5913A by LGE, the ZM4728A by Slkor and the ZM4728A-TD by TDSEMIC. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8