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Features
• Epitaxial Die Construction
• Complementary PNP Types Available
(BC857AT,BT,CT)
• Ultra-Small Surface Mount Package
• Lead Free/RoHS Compliant (Note 2)
• "Green" Device (Note 4 and 5)
Mechanical Data
• Case: SOT-523
• Case Material - Molded Plastic. UL Flammability
Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020C
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over
Alloy 42 leadframe).
• Terminal Connections: See Diagram
• Marking Code: See Table
• Ordering Information: See Page 2
• Marking Information: See Page 2
• Weight: 0.002 grams (approximate)
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
A
C
TOP VIEW
B
K
J
Type Marking
BC847AT 1E
BC847BT 1F
BC847CT 1M
E
G
H
D
BC847AT, BT, CT
SOT-523
Dim Min Max Typ
C
B
N
L
M
A 0.15 0.30 0.22
B 0.75 0.85 0.80
C 1.45 1.75 1.60
D
⎯ ⎯
G 0.90 1.10 1.00
H 1.50 1.70 1.60
J 0.00 0.10 0.05
K 0.60 0.80 0.75
L 0.10 0.30 0.22
M 0.10 0.20 0.12
N 0.45 0.65 0.50
0° 8°
α
All Dimensi mm ons in
0.50
⎯
Maximum Ratings @T
Characteristic Symbol Value Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage Temperature Range
Electrical Characteristics @T
Characteristic Symbol Min Typ Max Unit Test Condition
DC Current Gain (Note 3) Current Gain A
B
C
Collector-Emitter Saturation Voltage (Note 3)
Base-Emitter Saturation Voltage (Note 3)
Base-Emitter Voltage (Note 3)
Collector-Emitter Cutoff Current (Note 3)
Gain Bandwidth Product
Output Capacitance
BC847BT
Noise Figure BC847CT
Notes: 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which
can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. No purposefully added lead.
3. Short duration pulse test used to minimize self-heating effect.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30274 Rev. 9 - 2
= 25°C unless otherwise specified
A
Tj, T
= 25°C unless otherwise specified
A
110
hFE
V
CE(SAT)
V
BE(SAT)
VBE
I
CBO
I
CBO
fT
C
OBO
NF — —
www.diodes.com
200
420
— —
—
580
—
— —
100 — — MHz
— — 4.5 pF
1 of 3
V
V
V
R
CBO
CEO
EBO
IC
Pd
JA
θ
STG
—
290
520
700
900
660 — 700
50 V
45 V
6.0 V
100 mA
150 mW
833 °C/W
-55 to +150 °C
220
450
800
250
600
— mV
770
15
5.0
10
4.0
—
VCE = 5.0V, IC = 2.0mA
IC = 10mA, IB = 0.5mA
mV
IC = 100mA, IB = 5.0mA
IC = 10mA, IB = 0.5mA
IC = 100mA, IB = 5.0mA
VCE = 5.0V, IC = 2.0mA
mV
VCE =5.0V, IC = 10mA
VCB = 30V
nA
µA
VCB = 30V, TA = 150°C
VCE = 5.0V, IC = 10mA,
f = 100MHz
VCB = 10V, f = 1.0MHz
VCE = 5V, RS = 2.0kΩ,
dB
f = 1.0kHz, BW = 200Hz
BC847AT, BT, CT
© Diodes Incorporated
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P, P
OWER D
P
T
O
N
N
G
C CUR
REN
T
G
T
H PRODUCT
H
C
O
CTO
R
TURATIO
N VOLTAG
250
1,000
V = 5V
CE
200
(mW)
I
150
A
ISSI
100
d
50
0
0120200
40 80 160
T , AMBIENT TEMPERATURE (°C)
A
Fig. 1, Power Derating Curve
0.5
E (V)
0.4
0.3
SA
0.2
AI
100
10
FE,
h D
1
1,000
z)
(M
100
T = 100CA°
T = 25CA°
T = -50CA°
1.0 10 1000.10.01
I , COLLECTOR CURRENT (mA)
C
Fig. 2, DC Current Gain vs Collector Current
T = 25CA°
V = 10V
CE
V = 5V
CE
V = 2V
CE
LLE
0.1
0
CE(SAT)
V,
0.1 1.0 10 100
Fig. 3, Collector Saturation Voltage vs Collector Current
I , COLLECTOR CURRENT (mA)
C
AIN BANDWID
T
f,
10
0.1 1.0 10 100
I , COLLECTOR CURRENT (mA)
C
Fig. 4, Gain Bandwidth Product vs Collector Current
Ordering Information (Note 4)
Device
BC847AT-7-F
BC847BT-7-F
BC847CT-7-F
Notes: 4. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Packaging Shipping
SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel
Marking Information
XXYM
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Code J K L M N P R S T U V W X Y Z
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
DS30274 Rev. 9 - 2
XX = Product Type Marking Code (See Page 1), e.g. 1E = BC847AT
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
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BC847AT, BT, CT
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Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products 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 our website,
harmless against all damages.
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
IMPORTANT NOTICE
LIFE SUPPORT
DS30274 Rev. 9 - 2
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BC847AT, BT, CT
© Diodes Incorporated
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