Скачать даташит для 2n2919:

2N2919 SEME LAB MECHANICAL DATA Dimensions in mm (inches) 8.51 (0.335) 9.40 (0.370) DUAL NPN 7.75 (0.305) 8.51 (0.335) PLANAR TRANSISTORS IN TO77 PACKAGE 1.02 (0.040) Max. 0.41 (0.016) 0.53 (0.021) 5.08 (0.200) 2.54 (0.100) 4 2.54 5 (0.100) 0.74 (0.029) 3 6 1.14 (0.045) 2 1 45 0.71 (0.028) 0.86 (0.034) TO 77 PACKAGE PIN 1 Collector 1 PIN 4 Emitter 2 PIN 2 Base 1 PIN 5 Base 2 PIN 3 Emitter 1 PIN 6 Collector 2 ABSOLUTE MAXIMUM RATINGS (Tamb = 25 C unless otherwise stated) EACH SIDE TOTAL DEVICE VCBO Collector Base Voltage 60V VCEO Collector Emitter Voltage 1 60V VEBO Emitter Base Voltage 6V IC Continuous Collector Current 30 PD Total Device Dissipation TAMB = 25 C 300mW 500mW Derate above 25 C 1.72mW / C 2.86W / C PD Total Device Dissipation TC = 25 C 750mW 1.5W Derate above 25 C 4.3mW / C