MMBT4401 1,000 0.5 IC I = 10 B T = 125°C R 0.4 A E ) N T AI IT (V E T = 25°C G M G A T 100 -E R 0.3 EN O LTA R T = +25°C A T O R T = -25°C A C V T = 150°C A U E N C LL IO C O T 0.2 D C A R ) FE 10 T h, A TU (S SA CEV, 0.1 T = -50°C V = 1.0V A CE 1 0 0.1 1 10 100 1,000 1 10 100 1,000 I , COLLECTOR CURRENT (mA) I , COLLECTOR CURRENT (mA) C C Figure 1 Typical DC Current Gain vs. Collector Current Figure 2 Collector-Emitter Saturation Voltage vs. Col ector Current ) 1.0 100 V E ( G 0.9 V = 5V CE LTA O T = -50°C 0.8 A V 30 ) N F -O p 20 N 0.7 T = 25°C E ( Cibo R A C U N T 0.6 10 R ITA E C T A IT 0.5 P 5 M T = 150°C A A C -E 0.4 Cobo , BASE ) 0.3 ON BE( 1 V 0.20.1 1 10 100 0.1 1.0 10 50 I , COLLECTOR CURRENT (mA) V , REVERSE VOLTAGE (V) C R Figure 3 Typical Base-Emitter Turn-On Voltage Figure 4 Typical Capacitance Characteristics