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2N2905A Datasheet PDF : 2 Pages
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SEME
LAB
2N2905A
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated)
V(BR)CEO1
V(BR)CBO
V(BR)EBO
ICEX
ICBO
IB
VCE(sat)1
VBE(sat)
hFE
fT
CCB
CEB
Parameter
Test Conditions
OFF CHARACTERISTICS
Collector – Emitter Breakdown Voltage IC = –10mA
Collector – Base Breakdown Voltage IC = –10µA
Emitter – Base Breakdown Voltage IE = –10µA
Collector Cut-off Current
VCE = –30V
Collector Cut-off Current
IE = 0
Base Current
VCE = –30V
IB = 0
IE = 0
IC = 0
VBE = –0.5V
VCB = –50V
TA = 150°C
VBE = –0.5V
ON CHARACTERISTICS
Collector – Emitter Saturation Voltage
Base – Emitter Saturation Voltage
DC Current Gain
IC = –150mA
IC = –500mA
IC = –150mA
IC = –500mA
IC = –0.1mA
IC = –1mA
IC = –10mA
IC = –150mA
IC = –500mA
IB = –15mA
IB = –50mA
IB = –15mA
IC = –50mA
VCE = –10V
VCE = –10V
VCE = –10V
VCE = –10V 1
VCE = –10V 1
SMALL SIGNAL CHARACTERISTICS
Transition Frequency 2
IC = –50mA VCE = –20V
f = 100MHz
Output Capacitance
VCB = –10V IE = 0
f = 1.0MHz
Input Capacitance
VBE = –2V IC = 0
f = 1.0MHz
Min.
–60
–60
–5
75
100
100
100
50
200
Typ.
Max. Unit
V
V
V
–1
µA
–0.01 µA
–10
–50 nA
–0.4
V
–1.6
–1.3
V
–2.6
—
300
MHz
8
pF
30
pF
SWITCHING CHARACTERISTICS
ton
Turn–On Time
td
Delay Time
tr
Rise Time
toff
Turn–Off Time
ts
Storage Time
tf
Fall Time
VCC = –30V
IC = –150mA
IB1 = –15mA
VCC = –6V
IC = –150mA
IB1 = IB2 = –15mA
26
45
6
10
ns
20
40
70
300
50
80
ns
20
30
NOTES:
1) Pulse test: tp ≤ 300µs , δ ≤ 2%
2) fT is defined as the frequency at which hFE extrapolates to unity.
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 3063
Issue 1
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