BC856AW - BC858CW
PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
• Ideally Suited for Automated Insertion
• Complementary NPN Types Available (BC846W-BC848W)
• For Switching and AF Amplifier Applications
• Lead Free/RoHS Compliant (Note 3)
• "Green" Device (Note 4 and 5)
Mechanical Data
• Case: SOT-323
• Case Material: Molded Plastic, "Green" Molding Compound,
Note 5. UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020C
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
• Pin Connections: See Diagram
• Marking Code: See Table Below & Diagram on Page 3
• Ordering & Date Code Information: See Page 3
• Weight: 0.006 grams (approximate)
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
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
α 0° 8°
All Dimens ons in mm i
A
M
JL
FD
BC
H
K
G
BE
C
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Collector-Base Voltage BC856
BC857
BC858
VCBO -80
-50
-30 V
Collector-Emitter Voltage BC856
BC857
BC858
VCEO -65
-45
-30 V
Emitter-Base Voltage VEBO -5.0 V
Collector Current IC-100 mA
Peak Collector Current ICM -200 mA
Peak Emitter Current IEM -200 mA
Power Dissipation (Note 1) Pd200 mW
Thermal Resistance, Junction to Ambient (Note 1) RθJA 625 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
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 our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. Current gain subgroup “C” is not available for BC856W.
3. No purposefully added lead.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with Date Code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30251 Rev. 8 - 2 1 of 3
www.diodes.com
BC856AW - BC858CW
© Diodes Incorporated
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage (Note 6) BC856
BC857
BC858 V(BR)CBO -80
-50
-30
—
—
—
—
—
— V IC = 10μA, IB = 0
Collector-Emitter Breakdown Voltage (Note 6) BC856
BC857
BC858 V(BR)CEO -65
-45
-30
—
—
—
—
—
— V IC = 10mA, IB = 0
Emitter-Base Breakdown Voltage (Note 6) V(BR)EBO -5 — — V IE = 1μA, IC = 0
DC Current Gain (Note 6) Current Gain Group A
B
C hFE 125
220
420
180
290
520
250
475
800 —
VCE = -5.0V, IC = -2.0mA
Collector-Emitter Saturation Voltage (Note 6) VCE(SAT) — -75
-250 -300
-650 mV IC = -10mA, IB = -0.5mA
IC = -100mA, IB = -5.0mA
Base-Emitter Saturation Voltage (Note 6) VBE(SAT) —
— -700
-850 —
-950 mV IC = -10mA, IB = -0.5mA
IC = -100mA, IB = -5.0mA
Base-Emitter Voltage (Note 6) VBE(ON) -600
— -650
— -750
-820 mV VCE = -5.0V, IC = -2.0mA
VCE = -5.0V, IC = -10mA
Collector-Cutoff Current (Note 6) ICBO
ICBO
—
— —
— -15
-4.0 nA
µA VCB = -30V
VCB = -30V, TA = 150°C
Gain Bandwidth Product
fT100 200 — MHz VCE = -5.0V, IC = -10mA,
f = 100MHz
Collector-Base Capacitance CCBO — 3 4.5 pF VCB = -10V, f = 1.0MHz
Noise Figure NF — — 10 dB VCE = -5.0V, IC = 200µA,
RS = 2kΩ, f = 1kHz,
Δf = 200Hz
Notes: 6. Short duration pulse test used to minimize self-heating effect.
0
50
100
25 50 75 100 125 150 175 200
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N
(mW)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs.
Am bi ent Tem perat ure
A
150
200
250
0
1
0.1 10 100 1,000
V,
C
O
LLE
C
T
O
R
T
O
E
M
I
T
T
E
R
SATURATION VOLTAGE (V)
CE(SAT)
I , COLLECTOR CURRENT (mA)
Fig. 2 Collector Emitter Saturation Voltage
vs. C o ll ector Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
0
0.1
0.2
0.3
0.4
0.5
I
I
C
B
= 10
DS30251 Rev. 8 - 2 2 of 3
www.diodes.com
BC856AW - BC858CW
© Diodes Incorporated
1
10
100
1,000
110 100 1,000
V = 5V
CE
h, D
C
C
U
R
R
EN
T
G
AIN
FE
I , COLLECTOR CURRENT (mA)
Fig. 3, DC Current Gain (Group B) vs. Collector Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
10
100
1,000
110 100
f,
G
AIN BANDWID
T
H
P
R
O
D
U
C
T
(M
H
z)
t
I , COLLECTOR CURRENT (mA)
Fig. 4, Gain Bandwidth Product vs. Collector Current
C
V = 5V
CE
Ordering Information (Note 5 & 7)
Device Packaging Shipping
BC85xxW-7-F SOT-323 3000/Tape & Reel
Notes: 7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XXX
YM
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
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Code J K L M N P R S T U V W X Y Z
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume an y liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages. LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
DS30251 Rev. 8 - 2 3 of 3
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BC856AW - BC858CW
© Diodes Incorporated
