Overview
The 1N4549 is a zener Diode made by Solid State System in a DO-5 package with 2 pins. -65℃~+175℃ 150uA 160mΩ 3.9V 400Ω 50W ±20% DO-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 C6656525).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
7- Impedance(Zzk)
- 400Ω
- Impedance(Zzt)
- 160mΩ
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 50W
- Reverse Leakage Current (Ir)
- 150uA
- Tolerance
- ±20%
- Zener Voltage(Nom)
- 3.9V
Order codes
1- 1N4549LCSC C6656525
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the 1N4549?
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.
What package is the 1N4549?
DO-5, with 2 pins.
Where is the 1N4549 datasheet?
Solid State System publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4549?
JLCPCB lists it as part C6656525, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N4549?
Parts like it in the library: the NTE5240A by NTE Electronics, the 1N4549RB by Solid State System, the CDLL5228D/TR by Microchip Technology and the BZT52HC3V9WF by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
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