Page 1
C
Features
Ideally Suited for Automatic Insertion
Complementary NPN Types Available (BC846AW – BC848CW)
For switching and AF Amplifier Applications
Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
Halogen and Antimony Free. "Green" Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
PPAP capable (Note 4)
SOT323
Top View
B
Device Symbol
BC856AW-BC858CW
PNP SMALL SIGNAL TRANSISTOR IN SOT323
Mechanical Data
Case: SOT323
Case material: molded plastic, “Green” molding compound
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin Plated Leads, Solderable per
MIL-STD-202, Method 208
Weight: 0.006 grams (Approximate)
E
Top View
Pin-Out
Ordering Information (Notes 4 & 5)
Product Compliance Marking
BC856AW-7-F AEC-Q101 K3A 7 3,000 BC857BWQ-13-F Automotive K3B 13 10,000
BC856BW-7-F AEC-Q101 K3B 7 3,000 BC857CW-7-F AEC-Q101 K3G 7 3,000
BC856BW-13-F AEC-Q101 K3B 13 10,000 BC858AW-7-F AEC-Q101 K3A 7 3,000
BC857AW-7-F AEC-Q101 K3A 7 3,000 BC858BW-7-F AEC-Q101 K3B 7 3,000
BC857BW-7-F AEC-Q101 K3B 7 3,000 BC858CW-7-F AEC-Q101 K3G 7 3,000
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally
the same, except where specified. For more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/.
5. Tape width is 8mm. For packaging details, go to our website at http://www.diodes.com/products/packages.html
Reel Size
(inches)
Quantity
per Reel
Product Compliance Marking
Reel Size
(inches)
Quantity
per Reel
Marking Information
Date Code Key
Year 2010 2011 2012 2013 2014 2015 2016 2017
Code X Y Z A B C D E
Month Jan Feb Mar Apr May Jun Jul
Code 1 2 3 4 5 6 7
xxx
YM
xxx = Product Type Marking Code (See Ordering Information)
YM = Date Code Marking
Y or Y = Year (ex: A = 2013)
M or M = Month (ex: 9 = September)
Aug Sep Oct Nov Dec
8 9 O N D
BC856AW – BC858CW
Document Number: DS30251 Rev. 10 - 2
1 of 5
www.diodes.com
November 2013
© Diodes Incorporated
Page 2
Absolute Maximum Ratings (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Value Unit
BC856
Collector-Base Voltage
BC857 -50
BC858 -30
BC856
Collector-Emitter Voltage
BC857 -45
BC858 -30
Emitter-Base Voltage
Continuous Collector Current
Peak Collector Current
Peak Emitter Current
Thermal Characteristics (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Value Unit
Power Dissipation (Note 6)
Thermal Resistance, Junction to Ambient (Note 6)
Operating and Storage Temperature Range
BC856AW-BC858CW
-80
V
CBO
-65
V
CEO
V
EBO
I
C
I
CM
I
EM
P
D
R
θJA
T
, T
J
STG
-5.0 V
-100 mA
-200 mA
-200 mA
200 mW
625
-65 to +150
V
V
C/W
C
Electrical Characteristics (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage
BC856
BC857 -50
BV
CBO
-80
- - V
IC = -100nA
BC858 -30
Collector-Emitter Breakdown Voltage (Note 7)
BC856
BC857 -45
BV
CEO
-65
- - V
IC = -10mA
BC858 -30
Emitter-Base Breakdown Voltage
DC Current Gain (Note 7) Current Gain Group
BV
EBO
A
B 220 290 475
h
FE
-5 - - V
125 180 250
I
= -100nA
E
-
VCE = -5.0V, IC = -2.0mA
C 420 520 800
Collector Cutoff Current
Collector-Emitter Saturation Voltage (Note 7)
Base-Emitter Turn-On Voltage (Note 7)
Base-Emitter Saturation Voltage (Note 7)
Output Capacitance
Transition Frequency
I
V
CE(sat)
V
BE(on)
V
BE(sat)
C
CBO
obo
f
T
- -
-
-600 -650 -750
- - -820
-
-75 -300
-250 -650
-700 -
-850 -950
- 3 4.5 pF
100 200 - MHz
-15 nA
-4 µA
mV
mV
mV
Noise Figure NF - - 10 dB
= -30V
V
CB
V
= -30V, TA = +150°C
CB
= -10mA, IB = -0.5mA
I
C
I
= -100mA, IB = -5.0mA
C
I
= -2mA, V
C
I
= -10mA, V
C
= -10mA, I
I
C
I
= -100mA, I
C
CE
B
VCB = -10V, f = 1.0MHz
= -5V, IC = -10mA,
V
CE
f = 100MHz
= -5V, IC = -200µA
V
CE
R
= 2kΩ, f = 1kHz
S
∆f = 200Hz
Notes: 6. For a device mounted on minimum recommended pad layout 1oz copper that is on a single-sided FR4 PCB; device is measured under still air
conditions whilst operating in a steady-state.
7. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%
= -5V
= -5V
CE
= -0.5mA
= -5mA
B
BC856AW – BC858CW
Document Number: DS30251 Rev. 10 - 2
2 of 5
www.diodes.com
November 2013
© Diodes Incorporated
Page 3
P, P
OWER
PATIO
N
C
O
CTO
R
T
TER
D
C CUR
REN
T G
A
N
G
N
N
T
H PRODUCT
H
Typical Electrical Characteristics (@T
250
200
(mW)
150
DISSI
100
D
50
1,000
I
100
R°C/W
= 625
JA
0
0
25 50
T , AMBIENT TEMPERATURE (°C)
A
T = 150°C
A
T = 25°C
A
75
100 125
150
Fig. 1 Power Dissi pation vs.
Ambient Temperature (Note 5)
T = -50°C
A
V = 5V
CE
= +25°C, unless otherwise specified.)
A
0.5
0.4
-EMI
0.3
LLE
0.2
SATURATION VOLTAGE (V)
CE(SAT)
0.1
V,
175
200
0
0.1 10
Fig. 2 Typical Collector-Emitter Saturation Voltage
1,000
V = 5V
z)
CE
(M
100
BC856AW-BC858CW
I
C
= 10
I
B
T = 25°C
A
T = 150°C
A
1
I , COLLECTOR CURRENT (mA)
C
vs. Collector Current
T = -50°C
100
A
1,000
10
FE
h,
1
110100
I , COLLECTOR CURRENT (mA)
C
1,000
Fig. 3 Typical DC Current Gain (Group B)
vs. Collector Current
DWID
-BA
AI
t
f,
10
1
I , COLLECTOR CURRENT (mA)
C
10
100
Fig. 4 Typical Gain-Bandwidth Product vs. Collector Current
BC856AW – BC858CW
Document Number: DS30251 Rev. 10 - 2
3 of 5
www.diodes.com
November 2013
© Diodes Incorporated
Page 4
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
A
C
B
K
J
G
H
M
D
L
Dim Min Max Typ
A 0.25 0.40 0.30
B 1.15 1.35 1.30
C 2.00 2.20 2.10
D - - 0.65
G 1.20 1.40 1.30
H 1.80 2.20 2.15
J 0.0 0.10 0.05
K 0.90 1.00 1.00
L 0.25 0.40 0.30
M 0.10 0.18 0.11
All Dimensions in mm
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
Y
Z
BC856AW – BC858CW
Document Number: DS30251 Rev. 10 - 2
C
X
E
www.diodes.com
Dimensions Value (in mm)
Z 2.8
X 0.7
Y 0.9
C 1.9
E 1.0
4 of 5
BC856AW-BC858CW
SOT323
0° 8° -
November 2013
© Diodes Incorporated
Page 5
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein 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 Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2013, Diodes Incorporated
www.diodes.com
BC856AW-BC858CW
BC856AW – BC858CW
Document Number: DS30251 Rev. 10 - 2
5 of 5
www.diodes.com
November 2013
© Diodes Incorporated
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