BC857BS
PNP GENERAL PURPOSE DUALTRANSISTORS
VOLTAGE
FEATURES
• General purpose amplifier applications
• NPN epitaxial silicon, planar design
• In compliance with EU RoHS 2002/95/EC directives
45 Volts
POWER
150 mWatts
MECHANICAL DATA
• Case: SOT-363, Plastic
• Terminals: Solderable per MIL-STD-750, Method 2026
• Approx. Weight: 0.008 gram
• Marking : 57S
ABSOLUTE MAXIMUM RATINGS
PARAMETER
C ollector - Emi tter Voltage
C ollector - Base Voltage
Emi tter - Base Voltage
C ollector C urrent - C onti nuous
Symbol
V
CEO
V
CBO
V
EBO
I
C
Value
-45
-50
-5.0
100
Uni ts
V
V
V
mA
THERMAL CHARACTERISTICS
PARAMETER
Total D evi ce D i ssi pati on
Per D evi ce FR-5 Board (Note 1)T
A
=25
O
C
D erate above 25
O
C
Thermal Resi stance , Juncti on to Ambi ent
Juncti on Temperature
Storage Temperature
Symbol
P
D
R
θ
JA
T
J
T
STG
Value
300
150
3.0
328
-55 to 150
-55 to 150
Uni ts
mW
mW/
O
C
O
C /W
O
C
C
O
Note 1: FR-4 board 70 x 60 x 1mm.
REV.0.1-MAR.4.2009
PAGE . 1
BC857BS
ELECTRICAL CHARACTERISTICS (T
J
=25
O
C, unless otherwise noted)
PA RA M E TE R
O F F C H A R A C T E R IS T IC S
C o lle c to r - E mi tte r B re a k d o wn
Vo lta g e
C o lle c to r - E mi tte r B re a k d o wn
Vo lta g e
C o lle c to r - B a s e B re a k d o wn Vo lta g e
E mi tte r - B a s e B re a k d o wn Vo lta g e
C o l l e c t o r C ut o f f C ur r e nt
O N C H A R A C T E R IS T IC S
200
420
-
-
V
(B R )C E O
V
(B R )C E S
V
(B R )C B O
V
(B R )E B O
I
C B O
I
C
= 1 0 m A
I
C
= 1 0 u A , V
E B
= 0
I
C
= 1 0 u A
I
E
= 1 0 u A
V
C B
=3 0 V,
V
C B
= 3 0 V, T
A
= 1 5 0
O
C
-45
-50
-50
-5 .0
-
-
-
-
-
-
-
-
-
-
-15
-5 .0
V
V
nA
uA
V
S ym b o l
Te s t C o n d i t i o n
M IN .
T YP.
MA X .
U ni t
D C C ur r e nt G a i n
h
F E
I
C
= 1 0 u A , V
C E
= 5 V
150
-
D C C ur r e nt G a i n
h
F E
I
C
= 2 . 0 m A , V
C E
= 5 V
I
C
= 1 0 m A , I
B
= 0 . 5 m A
I
C
= 1 0 0 m A , I
B
= 5 . 0 m A
I
C
= 1 0 m A , I
B
= 0 . 5 m A
I
C
= 1 0 0 m A , I
B
= 5 . 0 m A
I
C
= 2 m A , V
C E
= 5 . 0 V
I
C
= 1 0 m A , V
C E
= 5 . 0 V
-
-
-
-
-
-580
-
150
-
-
-0 .7
-0 .9
-660
-
475
800
-0 .2 5
-0 .6
-
-
-700
-770
-
C o l l e c t o r - E m i t t e r S a t ur a t i o n Vo l t a g e
B a s e - E m i t t e r S a t ur a t i o n Vo l t a g e
B a s e - E mi tte r Vo lta g e
S M A L L - S IG N A L C H A R A C T E R IS T IC S
C ur r e nt - G a i n- B a nd w i d t h P r o d uc t
O ut p ut C a p a c i t a nc e
V
C E (S AT)
V
B
E (S AT)
V
B
E (S AT)
V
V
mV
f
T
C
obo
NF
I
C
= 1 0 m A , V
C E
= 5 . 0 V d c , f = 1 0 0 M H
Z
V
C B
=1 0 V,f=1 .0 MH
Z
I
C
= 0 . 2 m A , V
C E
= 5 . 0 V d c ,
R
S
=2 .0 k
Ω
,f=1 .0 k H
Z
,
B W =2 0 0 H
Z
100
-
-
-
-
4 .5
MH
Z
pF
N o i s e F i g ur e
-
-
10
dB
6
5
4
1
2
3
Fig.53
REV.0.1-MAR.4.2009
PAGE . 2
BC857BS
ELECTRICAL CHARACTERISTICS CURVE
2.0
1.5
hFE, NORMALIZED DC CURRENT GAIN
1.0
V
CE
=10V
T
A
=25
O
C
V, VOLTAGE (VOLTS)
T
A
=25 C
0.8
O
V
BE
(sat) @ I
C
/I
B
=10
V
BE
(on) @ V
CE
=10V
1.0
0.8
0.6
0.6
0.4
0.4
0.3
0.2
V
CE
(sat) @ I
C
/I
B
=10
0
0.2
0.2
0.5
1.0
2.0
5.0
10
20
50
100
200
0.1
0.2 0.3 0.5 0.7
1.0
2.0 3.0
5.0 7.0 10
20 30
50 70 100
I
C
, COLLECTOR CURRENT(mAdc)
Figure 1. Normalized DC Current Gain
V
CE
, COLLECTOR-EMITTER VOLTAGE (VOLTS)
I
C
, COLLECTOR CURRENT(mAdc)
Figure 2. "Saturation" and " On " Voltages
1.0
2.0
T
A
=25 C
1.6
O
O
qVB,
TEMP ERAT URE COEF FICIE NT (mA/ C)
-55 C to 125 C
1.2
O
O
200mA
1.2
1.6
I
C
=
I
C
=
10mA
2
0mA
0.8
50mA
100mA
2.0
2.4
0.4
2.8
0
0.02
0.1
1.0
10
20
0.2
1.0
10
100
I
B
, BASE CURRENT (mA)
Figure 3. Collector Saturation Region
I
C
, COLLECTOR CURRENT (mA)
Figure 4. Base-Emitter Temperature Coefficient
fT, CURRENT-GAIN-BANDWIDTH PRODUCT (MHz)
10
400
300
200
7.0
C, CAPAC ITANCE (pF)
T
A
=25 C
Cio
O
50
30
100
80
60
40
30
20
0.5 0.7
V
CE
=10V
O
T
A
=25 C
Cob
2.0
1.0
0.4
0.6 0.8 1.0
2.0
4.0
6.0 8.0 10
20
40
1.0
2.0
3.0
5.0 7.0 10
20
30
50
V
R
, REVERSE VOLTAGE (VOLTS)
Figure 5. Capacitance
I
C
, COLLECTOR CURRENT (mAdc)
Figure 6. Current-Gain-Bandwidth Product
REV.0.1-MAR.4.2009
PAGE . 3
BC857BS
MOUNTING PAD LAYOUT
ORDER INFORMATION
• Packing information
T/R - 10K per 13" plastic Reel
T/R - 3K per 7" plastic Reel
LEGAL STATEMENT
Copyright PanJit International, Inc 2009
The information presented in this document is believed to be accurate and reliable. The specifications and information
herein are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the
suitability of its products for any particular purpose. Pan Jit products are not authorized for use in life support devices or
systems. Pan Jit does not convey any license under its patent rights or rights of others.
REV.0.1-MAR.4.2009
PAGE . 4
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