NEC 2SA1978
PNP EPITAXIAL SILICON TRANSISTOR
FEATURES
● High fT fT = 5.5 GHz TYP. | S21e | = 10.0 dB TYP. @f = 1.0 GHz, VCE = −10 V, IC = −15 mA 2 PACKAGE DIMENSIONS (in milimeters) _0.2 2.8+ 0.4 +0.1 –0.05●
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● 1.5 0.65 +0.1 –0.15 High speed switching characteristics Equivalent NPN transistor is the 2SC2351. 0.95 _0.2 2.9+ Alternative of the 2SA1424. 2 0.95 Parameter Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage Collector Current Total Power Dissipation Junction Temperature Storage Temperature Symbol VCB0 VCE0 VEB0 IC PT Ti Tstg Rating −20 −12 −3.0 −50 200 150 −65 to +150 Unit V V 1.1 to 1.4 0.3 Marking 0.16 +0.1 –0.06 V mA mW °C °C
ELECTRICAL CHARACTERISTICS
(TA = 25 °C) Parameter Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain Bandwidth Product Collector Capacitance Insertion Power Gain Noise Figure Symbol ICB0 IEB0 hFE fT Cre* | S21e | NF 2 PIN CONNECTIONS 1: Emitter 2: Base 3: Collector Marking: T93 Test Conditions VCB = −10 V VEB = −2 V VCE = −10 V, IC = −15 mA VCE = −10 V, IC = −15 mA VCB = −10 V, IE = 0, f = 1 MHz VCE = −10 V, IC = −15 mA, f = 1.0 GHz VCE = −10 V, IC = −3.0 mA, f = 1 GHz MIN.