DS30251 Rev. A-2
1 of 2
BC856AW - BC858CW
BC856AW - BC858CW
PNP SURFACE MOUNT SMALL SIGNAL TRANSISTOR
Notes:
1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout
document AP02001, which can be found on ourwebsite at http://www.diodes.com/datasheets/ap02001.pdf.
2. Current gain subgroup "C" is not available for BC856W.
Characteristic
Symbol
Value
Unit
Collector-Base Voltage
BC856
BC857
BC858
V
CBO
-80
-50
-30
V
Collector-Emitter Voltage
BC856
BC857
BC858
V
CEO
-65
-45
-30
V
Emitter-Base Voltage
V
EBO
-5.0
V
Collector Current
I
C
-100
mA
Peak Collector Current
I
CM
-200
mA
Peak Emitter Current
I
EM
-200
mA
Power Dissipation (Note 1)
P
d
200
mW
Thermal Resistance, Junction to Ambient (Note 1)
R
qJA
625
C/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +150
C
Marking Code (Note 2)
Type
Marking
Type
Marking
BC856AW
K3A
BC857CW
K3G
BC856BW
K3B
BC858AW
K3J, K3A, K3V
BC857AW
K3V, K3A
BC858BW
K3K, K3B, K3W
BC857BW
K3W, K3B
BC858CW
K3L, K3G
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Features
Ideally Suited for Automatic Insertion
Complementary NPN Types Available
(BC846W-BC848W)
For Switching and AF Amplifier Applications
Case: SOT-323, Molded Plastic
Case material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202, Method
208
Pin Connections: See Diagram
Marking Code: See Table Below & Diagram
on Page 2
Ordering & Date Code Information: See Page 2
Approx. Weight: 0.006 grams
Mechanical Data
A
M
J
L
F
D
B C
H
K
G
B
E
C
SOT-323
Dim
Min
Max
A
0.25
0.40
B
1.15
1.35
C
2.00
2.20
D
0.65 Nominal
E
0.30
0.40
G
1.20
1.40
H
1.80
2.20
J
0.0
0.10
K
0.90
1.00
L
0.25
0.40
M
0.10
0.18
a
0
8
All Dimensions in mm
DS30251 Rev. A-2
2 of 2
BC856AW - BC858CW
Electrical Characteristics
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Collector-Base Breakdown Voltage (Note 3) BC856
BC857
BC858
V
(BR)CBO
-80
-50
-30
--
--
--
--
--
--
V
I
C
= 10
mA, I
B
= 0
Collector-Emitter Breakdown Voltage (Note 3) BC856
BC857
BC858
V
(BR)CEO
-65
-45
-30
--
--
--
--
--
--
V
I
C
= 10mA, I
B
= 0
Emitter-Base Breakdown Voltage (Note 3)
V
(BR)EBO
-5
--
--
V
I
E
= 1
mA, I
C
= 0
DC Current Gain (Note 3)
Current Gain Group A
B
C
h
FE
125
220
420
180
290
520
250
475
800
--
V
CE
= -5.0V, I
C
= -2.0mA
Collector-Emitter Saturation Voltage (Note 3)
V
CE(SAT)
--
-75
-250
-300
-650
mV
I
C
= -10mA, I
B
= -0.5mA
I
C
= -100mA, I
B
= -5.0mA
Base-Emitter Saturation Voltage (Note 3)
V
BE(SAT)
--
--
-700
-850
--
-950
mV
I
C
= -10mA, I
B
= -0.5mA
I
C
= -100mA, I
B
= -5.0mA
Base-Emitter Voltage (Note 3)
V
BE(ON)
-600
--
-650
--
-750
-820
mV
V
CE
= -5.0V, I
C
= -2.0mA
V
CE
= -5.0V, I
C
= -10mA
Collector-Cutoff Current (Note 3)
I
CBO
I
CBO
--
--
--
--
-15
-4.0
nA
A
V
CB
= -30V
V
CB
= -30V, T
A
= 150C
Gain Bandwidth Product
f
T
100
200
--
MHz
V
CE
= -5.0V, I
C
= -10mA,
f = 100MHz
Collector-Base Capacitance
C
CBO
--
3
4.5
pF
V
CB
= -10V, f = 1.0MHz
Noise Figure
NF
--
--
10
dB
V
CE
= -5.0V, I
C
= 200A,
R
S
= 2k
W, f = 1kHz,
Df = 200Hz
Notes:
3. Short duration pulse test to minimize self-heating effect.
@ T
A
=25C unless otherwise specified
XXX = Product Type Marking Code (See Page 1), e.g. K3A = BC856AW
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
XXX
YM
Marking Information
Notes:
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
*xx = device type, e.g. BC856AW-7.
Device
Packaging
Shipping
BC85xxW-7*
SOT-323
3000/Tape & Reel
Ordering Information
(Note 4)
Month
Jan
Feb
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
Year
1998
1999
2000
2001
2002
2003
2004
Code
J
K
L
M
N
P
R
Date Code Key
PDF 
ZIP