BC847AT, BT, CT
Document number: DS30274 Rev. 10 - 2
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September 2016
© Diodes Incorporated
BC847AT, BT, CT
K2N
YM
45V NPN SMALL SIGNAL TRANSISTOR IN SOT523
Features
BVCEO > 45V
IC = 100mA Collector Current
Epitaxial Planar Die Construction
Ultra-Small Surface Mount Package
Complementary PNP Type: MMBT3906T
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
Mechanical Data
Case: SOT523
Case Material: Molded Plastic. ―Green‖ Molding Compound.
UL Flammability 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: 0.002 grams (Approximate)
Ordering Information (Note 4)
Part Number
Tape Width (mm)
Quantity per Reel
BC847AT-7-F
8
3,000
BC847BT-7-F
8
3,000
BC847CT-7-F
8
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. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
Date Code Key
Year
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Code
C
D
E
F
G
H
I
J
K
L
M
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
Device Symbol
Pin-Out Top View
C
E
B
SOT523
XX = Product Type Marking Code
YM = Date Code Marking
Y or Y = Year (ex: D = 2016)
M or M = Month (ex: 9 = September)
XX YM
BC847AT, BT, CT
Document number: DS30274 Rev. 10 - 2
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BC847AT, BT, CT
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Collector-Base Voltage
VCBO
50
V
Collector-Emitter Voltage
VCEO
45
V
Emitter-Base Voltage
VEBO
6.0
V
Collector Current
IC
100
mA
Thermal Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 5)
PD
150
mW
Thermal Resistance, Junction to Ambient (Note 5)
RθJA
833
°C/W
Operating and Storage Temperature Range
TJ, TSTG
-55 to +150
°C
ESD Ratings (Note 6)
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: 5. For a device mounted with the collector lead on minimum recommended pad layout 1oz copper that is on a single-sided 1.6mm FR-4 PCB; device is
measured under still air conditions whilst operating in a steady-state.
6. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
Thermal Characteristics and Derating Information
PD, POWER DISSIPATION (mW)
BC847AT, BT, CT
Document number: DS30274 Rev. 10 - 2
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BC847AT, BT, CT
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
OFF CHARACTERISTICS (Note 7)
Collector-Base Breakdown Voltage
BVCBO
50

V
IC = 10µA, IE = 0
Collector-Emitter Breakdown Voltage
BVCEO
45

V
IC = 1mA, IB = 0
Emitter-Base Breakdown Voltage
BVEBO
6.0

V
IE = 10µA, IC = 0
ON CHARACTERISTICS (Note 7)
DC Current Gain
Current Gain A
B
C
hFE
110
200
420

290
520
220
450
800
VCE = 5.0V, IC = 2.0mA
Collector-Emitter Saturation Voltage
VCE(SAT)
250
600
mV
IC = 10mA, IB = 0.5mA
IC = 100mA, IB = 5mA
Base-Emitter Saturation Voltage
VBE(SAT)

700
900
mV
IC = 10mA, IB = 0.5mA
IC = 100mA, IB = 5mA
Base-Emitter Voltage
VBE
580
—
660
—
700
770
mV
VCE = 5.0V, IC = 2.0mA
VCE = 5.0V, IC = 10mA
Collector-Emitter Cutoff Current
ICBO
—
—
15
5.0
nA
µA
VCB = 30V
VCB = 30V, TA = +150°C
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
COBO
4.5
pF
VCB = 10V, f = 1.0MHz
Current Gain-Bandwidth Product
fT
100
MHz
VCE = 5V, IC = 10 A,
f = 100MHz
Noise Figure
BC847BT
BC847CT
NF
1.0
4.0
dB
VCE = 5V, RS = 2kΩ,
f = 1MHz, BW = 200Hz
Note: 7. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%.
BC847AT, BT, CT
Document number: DS30274 Rev. 10 - 2
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© Diodes Incorporated
BC847AT, BT, CT
Typical Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
1
10
100
1,000
1.0 10 1000.10.01
h DC CURRENT GAIN
FE,
I , COLLECTOR CURRENT (mA)
Fig. 2, DC Current Gain vs Collector Current
C
V = 5V
CE
T = 100 C
A°
T = 25 C
A°
T = -50 C
A°
0
0.1
0.2
0.3
0.4
0.5
0.1 1.0 10 100
V , COLLECTOR SATURATION VOLTAGE (V)
CE(SAT)
I , COLLECTOR CURRENT (mA)
Fig. 3, Collector Saturation Voltage vs Collector Current
C
10
100
1,000
0.1 1.0 10 100
f , GAIN BANDWIDTH PRODUCT (MHz)
T
I , COLLECTOR CURRENT (mA)
Fig. 4, Gain Bandwidth Product vs Collector Current
C
T = 25 C
A°
V = 10V
CE
V = 5V
CE
V = 2V
CE
BC847AT, BT, CT
Document number: DS30274 Rev. 10 - 2
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Package Outline Dimensions
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOT523
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOT523
SOT523
Dim
Min
Max
Typ
A
0.60
0.80
0.75
A1
0.00
0.10
0.05
A3
0.45
0.65
0.50
b
0.15
0.30
0.22
c
0.10
0.20
0.12
D
1.50
1.70
1.60
E
1.45
1.75
1.60
E1
0.75
0.85
0.80
e
0.50 BSC
e1
0.90
1.10
1.00
L
0.20
0.40
0.33
a
0°
--
8°
All Dimensions in mm
Dimensions
Value
C
1.29
X
0.40
X1
0.70
Y
0.51
Y1
1.80
E1
E
b
e1
D
A3
e
A2
A1 L
ca
Y1
X
Y
X1
C
BC847AT, BT, CT
Document number: DS30274 Rev. 10 - 2
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© Diodes Incorporated
BC847AT, BT, CT
IMPORTANT NOTICE
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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
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website, harmless against all damages.
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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.
Copyright © 2016, Diodes Incorporated
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