Dated : 21/06/2006
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
BC856…BC858
Characteristics at Tamb = 25 OC
Parameter
Symbol
Min.
Max.
Unit
DC Current Gain
at -VCE = 5 V, -IC = 2 mA
BC856A, BC857A, BC858A
BC856B, BC857B, BC858B
BC857C, BC858C
hFE
hFE
hFE
125
220
420
250
475
800
-
-
-
Collector Emitter Saturation Voltage
at -IC = 10 mA, -IB = 0.5 mA
at -IC = 100 mA, -IB = 5 mA
-VCE(sat)
-VCE(sat)
-
-
0.3
0.65
V
V
Base Emitter On Voltage
at -IC = 2 mA, -VCE = 5 V
at -IC = 10 mA, -VCE = 5 V
-VBE(on)
-VBE(on)
0.6
-
0.75
0.82
V
V
Collector Cutoff Current
at -VCB = 30 V
at -VCB = 30 V, TA = 150 OC
-ICBO
-ICBO
-
-
15
4
nA
µA
Collector Emitter Breakdown Voltage
at -IC = 10 µA
BC856 Series
BC857 Series
BC858 Series
-V(BR)CES
-V(BR)CES
-V(BR)CES
80
50
30
-
-
-
V
V
V
Collector Emitter Breakdown Voltage
at -IC = 10 mA
BC856 Series
BC857 Series
BC858 Series
-V(BR)CEO
-V(BR)CEO
-V(BR)CEO
65
45
30
-
-
-
V
V
V
Collector Base Breakdown Voltage
at -IC = 10 µA
BC856 Series
BC857 Series
BC858 Series
-V(BR)CBO
-V(BR)CBO
-V(BR)CBO
80
50
30
-
-
-
V
V
V
Emitter Base Breakdown Voltage
at -IE = 1 µA
BC856 Series
BC857 Series
BC858 Series
-V(BR)EBO
-V(BR)EBO
-V(BR)EBO
5
5
5
-
-
-
V
V
V
Current Gain Bandwidth Product
at -VCE = 5 V, -IC = 10 mA, f = 100 MHz
fT
100
-
MHz
Output Capacitance
at -VCB = 10 V, f = 1 MHz
Cob
-
4.5
pF
Noise Figure
at -IC = 0.2 mA, -VCE = 5 V, RS = 2 KΩ,tf = 1 KHz, BW = 200 Hz
NF
-
10
dB
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