Skip to the content
PCBKitNew board
2N4991 on a board, in 3D

2N4991

NTE Electronics

Extended
DatasheetJLCPCBLCSCnte-electronics/2N4991
Category
Trigger Diodes
Package
TO-92
Pins
5

Overview

The 2N4991 is a trigger Diode made by NTE Electronics in a TO-92 package with 5 pins.

PCBKit's library has its footprint (Package_TO_SOT_THT:TO-92L, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C17427147).

Symbol

The library has no symbol for this part yet.

Footprint

123
Package_TO_SOT_THT:TO-92LFrom KiCad's library

Parameters

2
Operating Junction Temperature Range
-55℃~+125℃@(Tj)
Repetitive Peak On-state Current (Itrm)
1A

Order codes

1

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/nte-electronics/2N4991" title="2N4991 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/nte-electronics/2N4991.jpg" alt="2N4991" width="1200" height="900">
A picture that opens the part, for a README
[![2N4991](https://pcbkit.io/embed/parts/nte-electronics/2N4991.jpg?size=s)](https://pcbkit.io/parts/nte-electronics/2N4991)

Questions

Is there a KiCad symbol and footprint for the 2N4991?

Yes. the footprint Package_TO_SOT_THT:TO-92L, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 2N4991?

TO-92, with 5 pins. Its footprint is drawn on this page.

Where is the 2N4991 datasheet?

NTE Electronics publishes it: the Datasheet link on this page opens it.

Where can I order the 2N4991?

JLCPCB lists it as part C17427147, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 2N4991?

Parts like it in the library: the K1300E70 by Littelfuse, the K0900E70 by Littelfuse, the K0900E70AP by Littelfuse and the K0900E70RP2 by Littelfuse. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8