Overview
The SZ2139.T is a zener Diode made by SMC with 2 pins. -55℃~+150℃ 100nA@30V 39V 500mW 800Ω 80Ω ±5% - 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 C7394605).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
7- Impedance(Zzk)
- 800Ω
- Impedance(Zzt)
- 80Ω
- Operating Junction Temperature Range
- -55℃~+150℃
- Pd - Power Dissipation
- 500mW
- Reverse Leakage Current (Ir)
- 100nA@30V
- Tolerance
- ±5%
- Zener Voltage(Nom)
- 39V
Order codes
1- SZ2139.TLCSC C7394605
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the SZ2139.T?
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 SZ2139.T datasheet?
SMC publishes it: the Datasheet link on this page opens it.
Where can I order the SZ2139.T?
JLCPCB lists it as part C7394605, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SZ2139.T?
Parts like it in the library: the BZX84J-B39 by Nexperia, the ZM4754APF-M by STMicroelectronics, the ZM4754A by Zhengxin and the 1N4754A-TR by Vishay Intertechnology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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