1N5221B
STMicroelectronicsExtended
1 Independent 1.2kΩ 100uA 2.28V~2.52V 2.4V 30Ω 500mW DO-35 Zener Diodes ROHS
- Part id
- st/1N5221B
- Category
- Zener Diodes
- Package
- DO-35
- Pins
- 2
- In stock
- 1 at JLCPCB (C118642)
Overview
The 1N5221B is a zener Diode made by STMicroelectronics in a DO-35 package with 2 pins. 1 Independent 1.2kΩ 100uA 2.28V~2.52V 2.4V 30Ω 500mW DO-35 Zener Diodes ROHS.
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-R-RD, from EasyEDA), ready for a KiCad board. 1 are in stock at JLCPCB (part C118642).
Symbol
Footprint
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Parts like it
8
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SOD-1231 Independent 100Ω 120uA@1V 2.28V~2.52V 2.4V 500mW SOD-123 Zener Diodes ROHSMDDZener DiodesMMSZ5221B
SOD-123-55℃~+150℃ 1 Independent 1.2kΩ 100uA@1V 2.28V~2.52V 2.4V 30Ω 500mW SOD-123 Zener Diodes ROHSonsemiZener Diodes
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DO-351 Independent 1.2kΩ 100uA@1V 2.32V~2.51V 2.4V 30Ω 500mW DO-35 Zener Diodes ROHSLGEZener Diodes
ZMM5221B
MiniMELF1 Independent 1.2kΩ 100uA@1V 2.4V 30Ω 500mW ±5% MiniMELF Zener Diodes ROHSJSMSEMIZener DiodesMM1Z2V4
SOD-1231 Independent 100Ω 120uA@1V 2.28V~2.56V 2.4V 500mW ±5% SOD-123 Zener Diodes ROHSCBIZener DiodesBZT52C2V4
SOD-123-55℃~+150℃ 1 Independent 100Ω 2.28V~2.52V 2.4V 500mW 50uA 600Ω SOD-123 Zener Diodes ROHSGalaxy MicroelectronicsZener DiodesBZT52C2V4Q
SOD-123-55℃~+150℃ 1 Independent 100Ω 2.28V~2.52V 2.4V 500mW 50uA@1V 600Ω ±5% SOD-123 Zener Diodes ROHSJSMSEMIZener Diodes
Questions
Is there a KiCad symbol and footprint for the 1N5221B?
Yes. The symbol is Device:D_Zener and the footprint EasyEDA_Cloud:DO-35_BD2.0-L4.2-P8.20-D0.5-R-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N5221B?
DO-35, with 2 pins. Its footprint is drawn on this page.
Where is the 1N5221B datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the 1N5221B?
JLCPCB lists it as part C118642, with 1 in stock; the sellers' links on this page open their listings.
What can replace the 1N5221B?
Parts like it in the library: the TC2V4TB by Tak Cheong, the BZT52C2V4 by MDD, the MMSZ5221B by onsemi and the 1N5221B by LGE. Check their datasheets: a part that fits the footprint may still differ in its ratings.