BC846A – BC848C
Document Number: DS11108 Rev. 26 - 2
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BC846A-BC848C
NPN SMALL SIGNAL TRANSISTOR IN SOT23
Features
Ideally Suited for Automatic Insertion
Complementary PNP Types: BC856 – BC858
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
BC846A-7-F AEC-Q101 K1Q 7 3,000 BC847B-13-F AEC-Q101 K1R 13 10,000
BC846AQ-7-F Automotive K1Q 7 3,000 BC847C-7-F AEC-Q101 K1M 7 3,000
BC846B-7-F AEC-Q101 K1R 7 3,000 BC847CQ-7-F Automotive K1M 7 3,000
BC846BQ-7-F Automotive K1R 7 3,000 BC847C-13-F AEC-Q101 K1M 13 10,000
BC846B-13-F AEC-Q101 K1R 13 10,000 BC848A-7-F AEC-Q101 K1Q 7 3,000
BC846BQ-13-F Automotive K1R 13 10,000 BC848B-7-F AEC-Q101 K1R 7 3,000
BC847A-7-F AEC-Q101 K1Q 7 3,000 BC848B-13-F AEC-Q101 K1R 13 10,000
BC847AQ-7-F Automotive K1Q 7 3,000 BC848C-7-F AEC-Q101 K1M 7 3,000
BC847A-13-F AEC-Q101 K1Q 13 10,000 BC848CQ-7-F Automotive K1M 7 3,000
BC847B-7-F AEC-Q101 K1R 7 3,000
BC847BQ-7-F Automotive K1R 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. 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
Top View
SOT23
Device Symbol Top View
Pin-Out
C
E
B
xxx = Product Type Marking Code
YM = Date Code Marking
Y or Y = Year (ex: Y = 2011)
M or M = Month (ex: 9 = September)
xxx
YM
BC846A – BC848C
Document Number: DS11108 Rev. 26 - 2
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December 2013
© Diodes Incorporated
BC846A-BC848C
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Collector-Base Voltage
BC846
VCBO
80
V
BC847 50
BC848 30
Collector-Emitter Voltage
BC846
VCEO
65
V
BC847 45
BC848 30
Emitter-Base Voltage BC846, BC847 VEBO 6.0 V
BC848 5.0
Continuous Collector 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
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.
BC846A – BC848C
Document Number: DS11108 Rev. 26 - 2
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BC846A-BC848C
Thermal Characteristics and Derating Information
0 25 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 1 10 100 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 1 10 100 1k
0.1
1
10
Single Pulse. Tamb=25°C
Pulse Power Dissipation
Pulse Width (s)
Max Power Dissipation (W)
BC846A – BC848C
Document Number: DS11108 Rev. 26 - 2
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BC846A-BC848C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage
BC846
BVCBO
80
— — V IC = 10µA
BC847 50
BC848 30
Collector-Emitter Breakdown Voltage
(Note 10)
BC846
BVCEO
65
— — V IC = 10mA
BC847 45
BC848 30
Emitter-Base Breakdown Voltage BC846 / BC847 BVEBO 6 — — V IE = 1µA
BC848 5
Collector Cutoff Current ICBO — — 15 nA VCB = 30V
5 µA VCB = 30V, TJ = +150°C
Collector Emitter Cutoff Current
BC846
ICES — —
15
nA
VCE= 80V
BC847 15
VCE= 50V
BC848 15
VCE= 30V
Emitter Base Cutoff Current IEBO — — 100 nA
VEB= 5V
Small Signal Current Gain
(Note 10)
BC846A / BC847A / BC848A
hfe —
200
— —
IC = 2.0mA, VCE = 5V
f=1.0kHz
BC846B / BC847B / BC848B 330
BC847C / BC848C 600
Input Impedance
(Note 10)
BC846A / BC847A / BC848A
hie —
2.7
— kΩ
BC846B / BC847B / BC848B 4.5
BC847C / BC848C 8.7
Output Admittance
(Note 10)
BC846A / BC847A / BC848A
hoe —
18
— µS
BC846B / BC847B / BC848B 30
BC847C / BC848C 60
Reverse Voltage Transfer
Ratio (Note 10)
BC846A / BC847A / BC848A
hre —
1.5x10-
4
— — BC846B / BC847B / BC848B 2x10-
4
BC847C / BC848C 3x10-
4
DC Current Gain (Note 10)
BC846A / BC847A / BC848A
hFE
110 180 220
— IC = 2.0mA, VCE = 5V
BC846B / BC847B / BC848B 200 290 450
BC847C / BC848C 420 520 800
Collector-Emitter Saturation Voltage
(Note 10) VCE(sat) — 90 250
mV IC = 10mA, IB = 0.5mA
200 600 IC = 100mA, IB = 5.0mA
Base-Emitter Turn-On Voltage(Note 10) VBE(on) 580 660 700 mV IC = 2mA, VCE = 5V
— — 770 IC = 10mA, VCE = 5V
Base-Emitter Saturation Voltage(Note 10) VBE(sat) — 700 — mV
IC = 10mA, IB = 0.5mA
900 IC = 100mA, IB = 5mA
Output Capacitance Cobo — 3 — pF
VCB = 10V, f = 1.0MHz
Transition Frequency fT 100 300 — 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%
BC846A – BC848C
Document Number: DS11108 Rev. 26 - 2
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December 2013
© Diodes Incorporated
BC846A-BC848C
Typical Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
1
10
100
1,000
110 100 1,000
h, D
C
C
U
R
R
EN
T
G
AIN
FE
I , COLLECTOR CURRENT (mA)
Figure 1 Typical DC Current Gain vs. Collector Current
C
T = 150°C
A
T = -50°C
A
T = 25°C
A
10.1 10 100 1,000
V,
C
O
LLE
C
T
O
R
-EMI
T
T
E
R
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
I
I
C
B
= 20
1
100
10
1,000
110100
f,
G
AIN-BANDWID
T
H
P
R
O
D
U
C
T
(M
H
z)
T
I , COLLECTOR CURRENT (mA)
Figure 3 Typical Gain-Bandwidth Product
vs. Collector Current
C
V = 5V
CE
BC846A – BC848C
Document Number: DS11108 Rev. 26 - 2
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December 2013
© Diodes Incorporated
BC846A-BC848C
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for 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
K1K
L1
H
L
M
All 7°
A
CB
D
a
BC846A – BC848C
Document Number: DS11108 Rev. 26 - 2
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BC846A-BC848C
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
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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.
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