SMD Type
PNP General Purpose Transistor
BC856,BC857,BC858
SOT-23
+0.1
2.9
-0.1
+0.1
0.4
-0.1
Transistors
IC
Unit: mm
Features
+0.1
2.4
-0.1
Low current (max. 100 mA).
Low voltage (max. 65 V).
+0.1
1.3
-0.1
1
+0.1
0.95
-0.1
+0.1
1.9
-0.1
2
0.55
0.4
3
+0.05
0.1
-0.01
0.97
+0.1
0.38
-0.1
+0.1
-0.1
1.Base
2.Emitter
3.collector
Absolute Maximum Ratings Ta = 25
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Peak collector current
Peak base current
Total power dissipation *
Junction temperature
Storage temperature
Operating ambient temperature
Thermal resistance from junction to ambient *
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
BM
P
tot
T
j
T
stg
R
amb
R
th j-a
BC856
-80
-65
BC857
-50
-45
-5
-100
-200
-200
250
150
-65 to +150
-65 to +150
500
K/W
BC858
-30
-30
Unit
V
V
V
mA
mA
mA
mW
* Transistor mounted on an FR4 printed-circuit board, standard footprint.
0-0.1
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1
SMD Type
BC856,BC857,BC858
Electrical Characteristics Ta = 25
Parameter
Collector cutoff current
Emitter cutoff current
BC856
BC857
DC current gain
BC856A,BC857A
BC856B,BC857B,BC858B
BC857C
Collector-emitter saturation voltage
V
CE(sat)
I
C
= -10 mA; I
B
= -0.5 mA
I
C
= -100 mA; I
B
= -5 mA; *
Base-emitter saturation voltage
V
BE(sat)
I
C
= -10 mA; I
B
= -0.5 mA
I
C
= -100 mA; I
B
= -5 mA; *
Base-emitter voltage
Collector capacitance
Transition frequency
Noise figure
* Pulse test: tp
300µs, ä
0.02.
V
BE
C
C
f
T
NF
I
C
= -2 mA; V
CE
= -5 V
I
C
= -10 mA; V
CE
= -5 V
V
CB
= -10 V; I
E
= Ie = 0;f = 1 MHz
V
CE
= -5 V; I
C
= -10 mA;f = 100 MHz
I
C
= -200 µA; V
CE
= -5 V;R
S
= 2 kÙ;
f = 1 kHz;B = 200 Hz
h
FE
I
C
= -2 mA; V
CE
= -5 V
Symbol
I
CBO
I
CBO
I
EBO
Testconditons
V
CB
= -30 V, I
E
= 0
V
CB
= -30 V, I
E
= 0 , T
j
= 150
V
EB
= -5 V, I
C
= 0
Transistors
IC
Min
Typ
-1
Max
-15
-4
-100
Unit
nA
ìA
nA
125
125
125
220
420
-75
-250
-700
-850
-600
-650
475
800
250
475
800
-300
-650
mV
mV
mV
mV
-750
-820
4.5
mV
mV
pF
MHz
2
10
dB
100
h
FE
Classification
TYPE
Marking
TYPE
Marking
TYPE
Marking
BC856
3D
BC857
3H
BC858B
3K
BC856A
3A
BC857A
3E
BC856B
3B
BC857B
3F
BC857C
3G
2
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