BC856AW-BC858CW
PNP SMALL SIGNAL TRANSISTOR IN SOT323
Features
• Ideally Suited for Autom atic I nsert ion
• Complementary NP N Types Available (BC846AW - BC848CW)
• For Switching and AF Amplifier Applications
• Totally Lead-Free & Fully RoHS Complian t (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: SOT323
• Case Material: Molded Plastic, “Green” Molding Compound
UL Flammability Classification Rating 94V-0
• Moisture Sensitivi t y: Level 1 per J-STD-020
• Terminals: Finish—Matte Tin Plated Leads, Solderable per
MIL-STD-202, Method 208
• Weight: 0.006 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
BC856AW-7-F
AEC-Q101
K3A
7
3000
BC857BWQ-13-F
Automotive
K3B
13
10,000
BC856BW-7-F
AEC-Q101
K3B
7
3000
BC857CW-7-F
AEC-Q101
K3G
7
3000
BC856BW-13-F
AEC-Q101
K3B
13
10,000
BC858AW-7-F
AEC-Q101
K3A
7
3000
BC857AW-7-F
AEC-Q101
K3A
7
3000
BC858BW-7-F
AEC-Q101
K3B
7
3000
BC857BW-7-F
AEC-Q101
K3B
7
3000
BC858CW-7-F
AEC-Q101
K3G
7
3000
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ 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-Q10x and standard products ar e electrically and thermally the
same, except where specified. For more information, please refer to https://www.diodes.com/quality/.
5. Tape width is 8mm. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
Date Code Key
Year
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
Code
F
G
H
I
J
K
L
M
N
O
P
Q
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
Top View
SOT323
Device Symbol
Top View
Pin-Out
C
E
B
XXX = Product Type Marking Code (See Ordering Information)
YM = Date Code Marking
Y or Y = Year (ex: F = 2018)
M or M = Month (ex: 9 = Septem ber)
SOT323
BC856AW – BC858CW
Document Number: DS30251 Rev. 11 - 2 1 of 5
www.diodes.com November 2018
© Diodes Incorporated
BC856AW-BC858CW
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 Coll ect or Current
IC
-100
mA
Peak Collector Current
ICM
-200
mA
Peak Emitter Current
IEM
-200
mA
Thermal Characteristics (@TA = +25°C, unless otherwise specified. )
Characteristic
Symbol
Value
Unit
Power Dissipation
(Note 6)
PD
200
mW
Thermal Resistance, Junction to Ambient
(Note 6)
RϴJA
625
°C/W
Operating and Storage Tem perature Range
TJ, TSTG
-65 to +150
°C
Electrical Characteristics (@TA = +25°C, unless otherwise s pecified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Collector-Base Breakdown Voltage
BC856
BVCBO
-80
— — V IC = -100nA
BC857
-50
BC858
-30
Collector-Emitter Breakdown Voltage (Note 7)
BC856
BVCEO
-65
— — V IC = -10mA
BC857
-45
BC858
-30
Emitter-Base Breakdown Voltage
BVEBO
-5
—
—
V
IE = -100nA
DC Current Gain (Note 7) Current Gain Group
A
hFE
125
180
250
— VCE = -5. 0V, IC = -2.0mA
B
220
290
475
C
420
520
800
Collect or Cutoff Current ICBO — —
-15
nA
VCB = -30V
-4
µA
VCB = -30V, TA = +150°C
Collector-Emitter Saturation Voltage (Note 7) VCE(sat) —
-75
-300
mV
IC = -10mA, IB = -0.5mA
-250
-650
IC = -100mA, IB = -5.0mA
Base-Emitter Turn-On Voltage (Note 7) VBE(on)
-600
-650
-750
mV
IC = -2mA , VCE = -5V
—
—
-820
IC = -10mA, VCE = -5V
Base-Emitter Saturation Voltage (Note 7) VBE(sat) —
-700
—
mV
IC = -10mA, IB = -0.5mA
-850
-950
IC = -100mA, IB = -5mA
Output Capacit ance
Cobo
—
3
4.5
pF
VCB = -10V, f = 1.0MHz
Transit i on Frequency fT 100 200 — MHz
V
CE
= -5V, I
C
= -10mA,
f = 100MHz
Noise Figure NF — — 10 dB VCE = -5V, IC = -200µA
RS = 2kΩ, f = 1kHz
∆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%
BC856AW – BC858CW
Document Number: DS30251 Rev. 11 - 2 2 of 5
www.diodes.com November 2018
© Diodes Incorporated
BC856AW-BC858CW
Typical Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
0
50
100
25 50 75 100 125 150 175 200
P , POWER DISSIPATION (mW)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1 Power Dissipation vs.
Ambient Tem per ature ( Note 5)
A
150
200
250
0
R °C/W
θJA
= 625
1
0.1 10 100 1,000
V , COLLECTOR-EMITTER
SATURATION VOLTAGE (V)
CE(SAT)
I , COLLECTOR CURRENT (mA)
Fig. 2 Ty pical Collector-Emitte r S aturation Voltage
vs. Co llecto r 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
1
10
100
1,000
110 100 1,000
V = 5V
CE
h , DC CURRENT GAIN
FE
I , COLLECTOR CURRENT (mA)
Fig. 3 Typical DC Current Gain (Group B)
vs. Co llecto r Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
10
100
1,000
110 100
f, GAIN-BANDWIDTH PRODUCT (MHz)
t
I , COLLECTOR CURRENT (mA)
Fig. 4 Ty pical Gain -Bandwidt h Product vs. Collector C urrent
C
V = 5V
CE
BC856AW – BC858CW
Document Number: DS30251 Rev. 11 - 2 3 of 5
www.diodes.com November 2018
© Diodes Incorporated
BC856AW-BC858CW
Package Ou t lin e Dim en sio ns
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOT323
SOT323
Dim
Min
Max
Typ
A1
0.00
0.10
0.05
A2
0.90
1.00
0.95
b
0.25
0.40
0.30
c
0.10
0.18
0.11
D
1.80
2.20
2.15
E
2.00
2.20
2.10
E1
1.15
1.35
1.30
e
0.650 BSC
e1
1.20
1.40
1.30
F
0.375
0.475
0.425
L
0.25
0.40
0.30
a
0°
8°
--
All Dimensions in mm
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOT323
Dimensions
Value
(in mm)
C
0.650
G
1.300
X
0.470
Y
0.600
Y1
2.500
a
E1
E
Fe1
b
L
c
e
A2
A1
D
Y1 G
Y
X
C
BC856AW – BC858CW
Document Number: DS30251 Rev. 11 - 2 4 of 5
www.diodes.com November 2018
© Diodes Incorporated
BC856AW-BC858CW
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 ri ghts, nor the rights of others. Any Customer or user of this document or products descri bed herein in s uch applic ations shall ass ume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harml ess against all damages.
Diodes Incorporated does not warrant or acc ept any li ability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporat ed 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
indirect l y, any claim of personal injury or death associat ed with such unintended or unauthorized appl i cat i on.
Products desc ribed herein may be covered by one or more Unit ed States, international or foreign patents pending. Produc t names and markings
noted herein may also be covered by one or more United States, international or f orei gn 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 f orm at released by Diodes I ncorporat ed.
LIFE SU PP O R T
Diodes Incorporated products are specificall y not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Off icer of Diodes I ncorporat ed. As us ed 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 signifi cant 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 aff ect its safety or effectivenes s.
Customers repres ent that they have all necessary expertise in the safety and regulatory ramif ications of their l ife support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safet y-related requirem ents 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
representati ves against any dam ages arising out of the use of Diodes Incorporat ed products i n such safety-cri tical, life support devices or systems.
Copyright © 2018, Diodes Incorporated
www.diodes.com
BC856AW – BC858CW
Document Number: DS30251 Rev. 11 - 2 5 of 5
www.diodes.com November 2018
© Diodes Incorporated
