
Overview
The 1N821A is a zener Diode made by Microchip Technology in a DO-35(DO-204AH) package with 2 pins. 1 Independent 10Ω 2uA@3V 5.9V~6.5V 500mW 6.2V DO-35(DO-204AH) Zener Diodes.
PCBKit's library has its KiCad symbol (Device:D_Zener, from KiCad's library) and its footprint (EasyEDA_Cloud:DO-35_BD2.0-L4.2-P8.20-D0.5-RD, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2764430).
Symbol
Footprint
Parameters
7- Diode Configuration
- 1 Independent
- Impedance(Zzt)
- 10Ω
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 2uA@3V
- Zener Voltage(Nom)
- 6.2V
- Zener Voltage(Range)
- 5.9V~6.5V
Order codes
1- 1N821ALCSC C2764430
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/1N821A" title="1N821A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/1N821A.jpg" alt="1N821A" width="1200" height="900">[](https://pcbkit.io/parts/microchip/1N821A)Questions
Is there a KiCad symbol and footprint for the 1N821A?
Yes. The symbol is Device:D_Zener and the footprint EasyEDA_Cloud:DO-35_BD2.0-L4.2-P8.20-D0.5-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N821A?
DO-35(DO-204AH), with 2 pins. Its footprint is drawn on this page.
Where is the 1N821A datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N821A?
JLCPCB lists it as part C2764430, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N821A?
Parts like it in the library: the JANTX1N829-1 by Microchip Technology, the 1N5234B_AY_10001 by PANJIT International, the 1N825A by Microchip Technology and the 1N5234B by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8JANTX1N829-1
DO-35(DO-204AH)DO-35(DO-204AH) Zener DiodesMicrochip TechnologyZener Diodes1N5234B_AY_10001
DO-351 Independent 1kΩ 5.89V~6.51V 500mW 5uA@4V 6.2V 7Ω DO-35 Zener Diodes ROHSPANJIT InternationalZener Diodes1N825A
DO-35(DO-204AH)DO-35(DO-204AH) Zener DiodesMicrochip TechnologyZener Diodes1N5234B
DO-35-65℃~+200℃ 1 Independent 1kΩ 5.89V~6.51V 500mW 5uA 6.2V 7Ω ±5% DO-35 Zener Diodes ROHSonsemiZener Diodes1N5234B-TR
DO-35(DO-204AH)1 Independent 1.4kΩ 500mW 5uA@4V 6.2V 7Ω ±5% DO-35(DO-204AH) Zener Diodes ROHSVishay IntertechnologyZener DiodesTZX6V2B-TAP
DO-35(DO-204AH)1 Independent 15Ω 1uA@3V 5.8V~6.1V 500mW 6.2V DO-35(DO-204AH) Zener Diodes ROHSVishay IntertechnologyZener DiodesZMM6V2
LL-341 Independent 100nA@2V 10Ω 200Ω 5.8V~6.6V 500mW 6.2V LL-34 Zener Diodes ROHSHXY MOSFETZener Diodes1SMA4735A
SMA-55℃~+150℃ 1 Independent 10uA@3V 1W 2Ω 5.86V~6.51V 6.2V SMA Zener Diodes ROHShongjiachengZener Diodes