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| 580 Pleasant St. Watertown, MA 02172 PH: (617) 926-0404 FAX: (617) 924-1235 2N3251A Features * * * * Meets MIL-S-19500/323 Collector-Base Voltage 60V Collector Current: 200 mA Fast Switching 370 nS 60 Volts 200 mAmps PNP BIPOLAR TRANSISTOR Maximum Ratings RATING Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Total Device Dissipation o @ T A = 25 C o Derate above 25 C Total Device Dissipation o @ T C = 25 C o Derate above 25 C Operating Temperature Range Storage Temperature Range Thermal Resistance, Junction to Ambient Thermal Resistance, Junction to Case SYMBOL VCEO VCBO VEBO IC PD MAX. -60 -60 -5.0 -200 0.36 2.4 PD 1.2 8 -65 to +175 -65 to +175 417 146 Watts o mW/ C o C o o o UNIT Vdc Vdc Vdc mAdc Watts o mW/ C TJ TS RJA RJC C C/W C/W Mechanical Outline Datasheet# MSC0281A 5/19/97 2N3251A Electrical Parameters (TA @ 25C unless otherwise specified) CHARACTERISTICS Off Characteristics Collector-Emitter Breakdown Voltage(1) (I C = -10 mAdc) Collector-Base Breakdown Voltage (I C = -10 Adc) Emitter-Base Breakdown Voltage (I E = -10 Adc) Collector Cutoff Current (V CE = -40 Vdc, V EB = -3.0 Vdc) ( at 150 C ) Base Cutoff Current (V CE = -40 Vdc, V EB = -3.0 Vdc) D.C. Current Gain (I C = -0.1 mAdc, V CE = -1.0 Vdc) (I C = -1.0 mAdc, V CE = -1.0 Vdc) (I c = -1.0mAdc, V CE= -1.0Vdc) @ -55C (I C = -10 mAdc, V CE = -1.0 Vdc)(1) (I C = -50 mAdc, V CE = -1.0 Vdc)(1) Collector-Emitter Saturation Voltage(1) (I C = -10 mAdc, I B = -1.0 mAdc) (I C = -50 mAdc, I B = -5.0 mAdc) Base-Emitter Saturation Voltage(1) (I C = -10 mAdc, I B = -1.0 mAdc) (I C = -50 mAdc, I B = -5.0 mAdc) Magnitude of common emitter small-signal short-circuit forward current transfer ratio (I C = -10 mAdc, V CE = -20 Vdc, f = 100MHz) Output Capacitance (V CB = -10 Vdc, I E = 0, 100kHz < f < 1MHz) Input Capacitance (V EB = -10 Vdc, I C = 0, 100kHz < f < 1MHz) Input Impedance (I C = -1.0 mA, V CE = -10 V, f = 1.0 kHz) Voltage Feedback Ratio (I C = -1.0 mA, V CE = -10 V, f = 1.0 kHz) Small--Signal Current Gain (I C = -1.0 mA, V CE = -10 V, f = 1.0 kHz) Output Admittance (I C = -1.0 mA, V CE = -10 V, f = 1.0 kHz) Collector Base Time Constant (I C = -10 mA, V CE = -20 V, f = 31.8 MHz) Noise Figure (I C = -100 A, VCE = -5.0 V, R S = 1.0k, f = 100 Hz) Switching Speeds (VCC = -3.0 Vdc, V BE = +0.5 Vdc IC = -10 mAdc, I B1 = -1.0 mA) (VCC = -10 mAdc, I B1 = IB1 = -1.0 mAdc) (VCC = -3.0 V) SYMBOL BVCEO BVCBO BVEBO ICEX IBEX hFE MIN. -60 -60 -5.0 --80 90 40 100 30 VCE(Sat) --VBE(Sat) -0.6 -/hfe/ COBO -CIBO -hje 2.0 hre -hfe 100 hoe 10 rb'CC 5 NF -ton -6.0 70 ns 250 dB 60 ps 400 mhos 20 -12 x 10 -4 TYP. MAX. ----20 -20 -50 ---300 -- UNIT Vdc Vdc Vdc nA uA nAdc -- Vdc -0.25 -0.5 Vdc -0.9 -1.2 9.0 pf 6.0 pf 8.0 kohms 3.0 toff -- 300 ns (1) Pulse Test: PW = 300 s, Duty Cycle = 2.0% Datasheet# MSC0281A 5/19/97 |
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