For an alternative to obsolete NTE NPN transistor NTE199 I present for your consideration BC546CTA from onsemi
DATASHEET_NTE199.pdf (303.4 KB)
| Mfr Part # | BC546CTA |
|---|---|
| Mfr | onsemi |
| Description | TRANS NPN 65V 0.1A TO-92-3 |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 100 mA |
| Voltage - Collector Emitter Breakdown (Max) | 65 V |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 420 @ 2mA, 5V |
| Power - Max | 500 mW |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
The alternate has formed leads, you may have to bend the leads to fit the original footprint.
Check the datasheet to verify this will work for your application.
If there are any availability issues with the suggested alternative kindly let us know in the comments below.