BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
1 of 7
www.diodes.com
October 2014
© Diodes Incorporated
BC856A-BC858C
PNP SMALL SIGNAL TRANSISTOR IN SOT23
Features
Ideally Suited for Automatic Insertion
Complementary NPN Types: BC846 – BC848
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)
Mechanical Data
Case: SOT23
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: 0.008 grams (Approximate)
Ordering Information (Notes 4 & 5)
Product
Compliance
Marking
Reel Size
(inches)
Quantity
per Reel
Product
Compliance
Marking
Reel Size
(inches)
Quantity
per Reel
BC856A-7-F
AEC-Q101
K3A
7
3,000
BC857B-7-F
AEC-Q101
K3B
7
3,000
BC856AQ-7-F
Automotive
K3A
7
3,000
BC857BQ-7-F
Automotive
K3B
7
3,000
BC856B-7-F
AEC-Q101
K3B
7
3,000
BC857B-13-F
AEC-Q101
K3B
13
10,000
BC856BQ-7-F
Automotive
K3B
7
3,000
BC857C-7-F
AEC-Q101
K3G
7
3,000
BC856B-13-F
AEC-Q101
K3B
13
10,000
BC857C-13-F
AEC-Q101
K3G
13
10,000
BC856BQ-13-F
Automotive
K3B
13
10,000
BC858A-7-F
AEC-Q101
K3A
7
3,000
BC857A-7-F
AEC-Q101
K3A
7
3,000
BC858B-7-F
AEC-Q101
K3B
7
3,000
BC858C-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.
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
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
C
E
B
Top View
SOT23
Device Symbol
Top View
Pin-Out
xxx
YM
xxx = Product Type Marking Code
(Please see Ordering Information)
YM = Date Code Marking
Y or Y = Year (ex: A = 2013)
M or M = Month (ex: 9 = September)
BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
2 of 7
www.diodes.com
October 2014
© Diodes Incorporated
BC856A-BC858C
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Collector-Base Voltage
BC856
VCBO
-80
V
BC857
-50
BC858
-30
Collector-Emitter Voltage
BC856
VCEO
-65
V
BC857
-45
BC858
-30
Emitter-Base Voltage
VEBO
-5.0
V
Continuous Collector Current
IC
-100
mA
Peak Collector Current
ICM
-200
mA
Peak Emitter Current
IEM
-200
mA
Peak Base Current
IBM
-200
mA
Thermal Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Power Dissipation
(Note 6)
PD
310
mW
(Note 7)
350
Thermal Resistance, Junction to Ambient
(Note 6)
RθJA
403
°C/W
(Note 7)
357
Thermal Resistance, Junction to Leads
(Note 8)
RθJL
350
°C/W
Operating and Storage Temperature Range
TJ,TSTG
-65 to +150
°C
ESD Ratings (Note 9)
Characteristic
Symbol
Value
Unit
JEDEC Class
Electrostatic Discharge - Human Body Model
ESD HBM
4,000
V
3A
Electrostatic Discharge - Machine Model
ESD MM
400
V
C
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. Same as Note 6, except the device is mounted on 15 mm x 15mm 1oz copper.
8. Thermal resistance from junction to solder-point (at the end of the leads).
9. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
3 of 7
www.diodes.com
October 2014
© Diodes Incorporated
BC856A-BC858C
Thermal Characteristics and Derating Information
025 50 75 100 125 150
0.0
0.1
0.2
0.3
0.4
Derating Curve
Temperature (°C)
Max Power Dissipation (W)
100µ 1m 10m 100m 110 100 1k
0
50
100
150
200
250
300
350
400
Transient Thermal Impedance
D=0.5
D=0.2 D=0.1 Single Pulse
D=0.05
Thermal Resistance (°C/W)
Pulse Width (s)
10m 100m 110 100 1k
0.1
1
10 Single Pulse. Tamb=25°C
Pulse Power Dissipation
Pulse Width (s)
Max Power Dissipation (W)
BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
4 of 7
www.diodes.com
October 2014
© Diodes Incorporated
BC856A-BC858C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Collector-Base Breakdown Voltage
BC856
BVCBO
-80
—
—
V
IC = -10µA
BC857
-50
BC858
-30
Collector-Emitter Breakdown Voltage
(Note 10)
BC856
BVCEO
-65
—
—
V
IC = -10mA
BC857
-45
BC858
-30
Emitter-Base Breakdown Voltage
BVEBO
-5
—
—
V
IE = -1µA
Collector Cutoff Current
ICBO
—
—
-15
nA
VCB = -30V
-4
µA
VCB = -30V, TJ = +150°C
Collector Emitter Cutoff Current
BC856
ICES
—
—
-15
nA
VCE = -80V
BC857
-15
VCE = -50V
BC858
-15
VCE = -30V
Emitter-Base Cutoff Current
IEBO
—
—
-100
nA
VEB = -5V
Small Signal Current Gain
(Note 10)
BC856A / BC857A / BC858A
hfe
—
200
—
—
IC = -2.0mA, VCE = -5V
f = 1.0kHz
BC856B / BC857B / BC858B
330
BC857C / BC858C
600
Input Impedance (Note 10)
BC856A / BC857A / BC858A
hie
—
2.7
—
kΩ
BC856B / BC857B / BC858B
4.5
BC857C / BC858C
8.7
Output Admittance
(Note 10)
BC856A / BC857A / BC858A
hoe
—
18
—
µS
BC856B / BC857B / BC858B
30
BC857C / BC858C
60
Reverse Voltage Transfer
Ratio (Note 10)
BC856A / BC857A / BC858A
hre
—
1.5x10-4
—
—
BC856B / BC857B / BC858B
2x10-4
BC857C / BC858C
3x10-4
DC Current Gain (Note 10)
BC856A / BC857A / BC858A
hFE
125
180
250
—
IC = -2.0mA, VCE = -5V
BC856B / BC857B / BC858B
220
290
475
BC857C / BC858C
420
520
800
Collector-Emitter Saturation Voltage (Note 10)
VCE(sat)
—
-75
-300
mV
IC = - 10mA, IB = -0.5mA
-250
-650
IC = - 100mA, IB = -5.0mA
Base-Emitter Turn-On Voltage (Note 10)
VBE(on)
-600
-650
-750
mV
IC = -2mA, VCE = -5V
—
—
-820
IC = -10mA, VCE = -5V
Base-Emitter Saturation Voltage (Note 10)
VBE(sat)
—
-700
—
mV
IC = -10mA, IB = -0.5mA
-850
-1100
IC = -100mA, IB = -5mA
Output Capacitance
Cobo
—
3
—
pF
VCB = -10V, f = 1.0MHz
Transition Frequency
fT
100
200
—
MHz
VCE = -5V, IC = -10mA,
f = 100MHz
Noise Figure
NF
—
2
10
dB
VCE = -5V, IC = -200µA
RS = 2kΩ, f = 1kHz
∆f = 200Hz
Note: 10. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%.
BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
5 of 7
www.diodes.com
October 2014
© Diodes Incorporated
BC856A-BC858C
Typical Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
1
10
100
1,000
110 100 1,000
V = 5V
CE
h , DC CURRENT GAIN
FE
I , COLLECTOR CURRENT (mA)
Figure 1 Typical DC Current Gain vs. Collector Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
1
0.1 10 100 1,000
V , COLLECTOR-EMITTER
SATURATION VOLTAGE (V)
CE(SAT)
I , COLLECTOR CURRENT (mA)
Figure 2 Typical Collector-Emitter Saturation Voltage
vs. Collector 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
IC
B= 10
10
100
1,000
110 100
f , GAIN-BANDWIDTH PRODUCT (MHz)
t
I , COLLECTOR CURRENT (mA)
Figure 3 Gain-Bandwidth Product vs Collector Current
C
V = 5V
CE
BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
6 of 7
www.diodes.com
October 2014
© Diodes Incorporated
BC856A-BC858C
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
SOT23
Dim
Min
Max
Typ
A
0.37
0.51
0.40
B
1.20
1.40
1.30
C
2.30
2.50
2.40
D
0.89
1.03
0.915
F
0.45
0.60
0.535
G
1.78
2.05
1.83
H
2.80
3.00
2.90
J
0.013
0.10
0.05
K
0.890
1.00
0.975
K1
0.903
1.10
1.025
L
0.45
0.61
0.55
L1
0.25
0.55
0.40
M
0.085
0.150
0.110
a
8°
All Dimensions in mm
Dimensions
Value (in mm)
Z
2.9
X
0.8
Y
0.9
C
2.0
E
1.35
XE
Y
C
Z
J
K1 K
L1
H
L
M
All 7°
A
CB
D
a
BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
7 of 7
www.diodes.com
October 2014
© Diodes Incorporated
BC856A-BC858C
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 © 2014, Diodes Incorporated
www.diodes.com
