mmbta92w.pdf datasheet:

MMBTA92W PNP Silicon Elektronische Bauelemente General Purpose Transistor MMBTA92W 300 VCE = 10 Vdc TJ = +125 C 250 200 25 C 150 -55 C 100 50 0 0.1 1.0 10 100 IC, COLLECTOR CURRENT (mA) Figure 1. DC Current Gain 100 150 Cib @ 1MHz 130 110 10 90 Ccb @ 1MHz 70 1.0 50 TJ = 25 C VCE = 20 Vdc 30 F = 20 MHz 0.1 10 0.1 1.0 10 100 1000 1 3 5 7 9 11 13 15 17 19 21 VR, REVERSE VOLTAGE (VOLTS) IC, COLLECTOR CURRENT (mA) Figure 2. Capacitance Figure 3. Current-Gain - Bandwidth 1.4 1.2 VCE(sat) @ 25 C, IC/IB = 10 VCE(sat) @ 125 C, IC/IB = 10 1.0 VCE(sat) @ -55 C, IC/IB = 10 VBE(sat) @ 25 C, IC/IB = 10 0.8 VBE(sat) @ 125 C, IC/IB = 10 VBE(sat) @ -55 C, IC/IB = 10 0.6 VBE(on) @ 25 C, VCE = 10 V 0.4 VBE(on) @ 125 C, VCE = 10 V VBE(on) @ -55 C, VCE = 10 V 0.2 0.0 0.1 1.0 10 100 IC, COLLECTOR CURRENT (mA) Figure 4. ON Volta