For an alternative to Obsolete NTE Transistor NTE184 I offer for your consideration BD441G made by onsemi
| Mfr Part # | BD441G |
|---|---|
| Mfr | onsemi |
| DK Part # | BD441GOS-ND |
| Description | TRANS NPN 80V 4A TO-126 |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 80 V |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 500mA, 1V |
| Power - Max | 36 W |
| Frequency - Transition | 3MHz |
| Supplier Device Package | TO-126 |
BD442G is the complimentary PNP transistor for BD441G.
Please review the datasheets to ensure the alternative will work for your application.