For an Alternative to Obsolete NTE PNP Pre-Biased Transistor NTE2419 I present for your consideration DDTA144ECA-7-F by Diodes Incorporated
DATASHEET_NTE2419.pdf (55.0 KB)

| Mfr Part # | DDTA144ECA-7-F |
|---|---|
| Mfr | Diodes Incorporated |
| Description | TRANS PREBIAS PNP 50V SOT23-3 |
| Transistor Type | PNP - Pre-Biased |
| Current - Collector (Ic) (Max) | 100 mA |
| Voltage - Collector Emitter Breakdown (Max) | 50 V |
| Resistor - Base (R1) | 47 kOhms |
| Resistor - Emitter Base (R2) | 47 kOhms |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 68 @ 5mA, 5V |
| Frequency - Transition | 250 MHz |
| Power - Max | 200 mW |
| Supplier Device Package | SOT-23-3 |
Please review datasheet to verify this will work for your application.