SILICON EPITAXIAL
NPN TRANSISTOR
2N4912
Semelab Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB
Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 8104
Issue 1
ELECTRICAL CHARACTERISTICS
(TC = 25°C unless otherwise stated)
Symbols Parameters Test Conditions Min.
Typ.
Max.
Units
V(BR)CEO*
Collector-Emitter
Breakdown Voltage IC = 10mA IB = 0 80 V
ICEO Collector-Emitter Cut-Off
Current VCE = 40V IB = 0 0.5
VCE = 80V VBE = -1.5V 0.1
VCE = 80V VBE = -1.5V
ICEX Collector-Emitter Cut-Off
Current
TC = 150°C 1.0
IEBO Emitter-Base Cut-Off
Current VEB = 5V IC = 0 1.0
ICBO Collector-Base Cut-Off
Current VCB = 80V IE = 0 0.1
mA
VBE* Base-Emitter Voltage IC = 1.0A VCE = 1.0V 1.3
VCE(sat)* Collector-Emitter
Saturation Voltage IC = 1.0A IB = 100mA 0.6
VBE(sat)* Base-Emitter Saturated
Voltage IC = 1.0A IB = 100mA 1.3
V
IC = 50mA VCE = 1.0V 40
IC = 500mA VCE = 1.0V 20 100
hFE* Forward-current transfer
ratio
IC = 1.0A VCE = 1.0V 10
DYNAMIC CHARACTERISTICS
IC = 250mA VCE = 10V
fT Transition Frequency f = 1.0MHz 3.0 22 MHz
IC = 250mA VCE = 10V
hfe Small-Signal Current Gain f = 1.0KHz 25 70
IE = 0 VCB = 10V
Cobo Output Capacitance f = 1.0MHz 45 100 pF
* Pulse Test: tp = 300us, δ ≤ 2%