Overview
The 1N4550A is a zener Diode made by Solid State System in a DO-5 package with 2 pins. -65℃~+175℃ 150uA@500mV 160mΩ 4.3V 50W ±10% 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 C7168834).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
6- Impedance(Zzt)
- 160mΩ
- Operating Junction Temperature Range
- -65℃~+175℃
- Pd - Power Dissipation
- 50W
- Reverse Leakage Current (Ir)
- 150uA@500mV
- Tolerance
- ±10%
- Zener Voltage(Nom)
- 4.3V
Order codes
1- 1N4550ALCSC C7168834
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the 1N4550A?
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 1N4550A?
DO-5, with 2 pins.
Where is the 1N4550A datasheet?
Solid State System publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4550A?
JLCPCB lists it as part C7168834, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N4550A?
Parts like it in the library: the CDLL5229D by Microchip Technology, the CDLL4731 by Microchip Technology, the CDLL4731A by Microchip Technology and the CDLL5229B by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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