Dated : 09/03/2007
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
ST 2N3905 / 2N3906
Characteristics at Ta = 25 OC
Parameter
Symbol
Min.
Max.
Unit
DC Current Gain
at -VCE = 1 V, -IC = 0.1 mA
at -VCE = 1 V, -IC = 1 mA
at -VCE = 1 V, -IC = 10 mA
at -VCE = 1 V, -IC = 50 mA
at -VCE = 1 V, -IC = 100 mA
2N3905
2N3906
2N3905
2N3906
2N3905
2N3906
2N3905
2N3906
2N3905
2N3906
hFE
hFE
hFE
hFE
hFE
hFE
hFE
hFE
hFE
hFE
30
60
40
80
50
100
30
60
15
30
-
-
-
-
150
300
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Collector Cutoff Current
at -VCB = 30 V
-ICBO
-
50
nA
Emitter Cutoff Current
at -VEB = 6 V
-IEBO
-
50
nA
Collector Base Breakdown Voltage
at -IC = 10 µA
-V(BR)CBO
40
-
V
Collector Emitter Breakdown Voltage
at -IC = 1 mA
-V(BR)CEO
40
-
V
Emitter Base Breakdown Voltage
at -IE = 10 µA
-V(BR)EBO
6
-
V
Collector Emitter Saturation Voltage
at -IC = 10 mA, -IB = 1 mA
at -IC = 50 mA, -IB = 5 mA
-VCEsat
-VCEsat
-
-
0.25
0.4
V
V
Base Emitter Saturation Voltage
at -IC = 10 mA, -IB = 1 mA
at -IC = 50 mA, -IB = 5 mA
-VBEsat
-VBEsat
-
-
0.85
0.95
V
V
Gain Bandwidth Product
at -VCE = 20 V, -IC = 10 mA, f = 100 MHz
2N3905
2N3906
fT
fT
200
250
-
-
MHz
MHz
Collector Base Capacitance
at -VCB = 5 V, f = 100 KHz
Ccb
-
4.5
pF
Emitter Base Capacitance
at -VEB = 0.5 V, f = 100 KHz
Ceb
-
10
pF
Thermal Resistance Junction to Ambient
RthA
-
250
1)
K/W
1) Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case
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