Overview
The 1N4240 is a zener Diode made by Microchip Technology in a DO-203AA(DO-4) package with 2 pins. 10W 5V 680mΩ DO-203AA(DO-4) 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 C7168796).
Symbol
Footprint
The library has no footprint for this part yet.
Parameters
3- Impedance(Zzt)
- 680mΩ
- Pd - Power Dissipation
- 10W
- Zener Voltage(Nom)
- 5V
Order codes
1- 1N4240LCSC C7168796
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Questions
Is there a KiCad symbol and footprint for the 1N4240?
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 1N4240?
DO-203AA(DO-4), with 2 pins.
Where is the 1N4240 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4240?
JLCPCB lists it as part C7168796, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 1N4240?
Parts like it in the library: the LM336-5.0-XG by Silicore, the LM236DQ3-5.0/TR by HGSEMI and the LM336DQ3-5.0/TR by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
