For an alternate for obsolete NTE NPN Transistor NTE194 I present for your consideration 2N5551BU from onsemi
DATASHEET_NTE194.pdf (285.6 KB)
DATASHEET_2N5551.pdf (1.1 MB)
| Mfr Part # | 2N5551BU |
|---|---|
| Mfr | onsemi |
| Description | TRANS NPN 160V 0.6A TO-92-3 |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 600 mA |
| Voltage - Collector Emitter Breakdown (Max) | 160 V |
| Current - Collector Cutoff (Max) | 50nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 80 @ 10mA, 5V |
| Power - Max | 625 mW |
| Frequency - Transition | 100MHz |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) |
Please check the datasheet to verify this will work for your application.
If the potential alternative isn’t currently available kindly let us know in the below forum thread.