MPSA13 (NPN Darlington transistor)

Transistor bipolar
Type: NPN Darlington
Package: TO92
Max. CE voltage: 30 V
Maximum collector current: 0.5 A
Maximum power dissipation: 0.625 W
Vce_max saturation @ Ib, Ic: 1.5V @ 100µA, 100mA
Current gain: 5000 @ 100mA, 5V
Max. Switching frequency: 125 MHz 
Operating Temperature Tj_max: +150 °C