Overview
The 2N4221A is a JFET made by NTE Electronics in a TO-72 package with 4 pins.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:2N4221A, from EasyEDA) and its footprint (EasyEDA_Cloud:TO-72-4_BD5.6-P2.54_2N4416A, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C17648546).
Symbol
Footprint
Pinout
4| Pin | Name | Type |
|---|---|---|
| 1 | S | Unspecified |
| 2 | D | Unspecified |
| 3 | G | Unspecified |
| 4 | CASE | Unspecified |
Parts like it
5
Questions
Is there a KiCad symbol and footprint for the 2N4221A?
Yes. The symbol is EasyEDA_Cloud:2N4221A and the footprint EasyEDA_Cloud:TO-72-4_BD5.6-P2.54_2N4416A, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 2N4221A?
TO-72, with 4 pins. Its footprint is drawn on this page.
Where is the 2N4221A datasheet?
NTE Electronics publishes it: the Datasheet link on this page opens it.
Where can I order the 2N4221A?
JLCPCB lists it as part C17648546, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 2N4221A?
Parts like it in the library: the NTE452 by NTE Electronics, the NTE456 by NTE Electronics, the NTE459 by NTE Electronics and the NTE460 by NTE Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.