BC847AT, BT, CT
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
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)
B
G
H
K
M
A
C
TOP VIEW
E
B C
SOT-523
Dim
A
B
C
D
G
H
J
N
Min
0.15
0.75
1.45
⎯
0.90
1.50
0.00
0.60
0.10
0.10
0.45
Max
0.30
0.85
1.75
⎯
1.10
1.70
0.10
0.80
0.30
0.20
0.65
Typ
0.22
0.80
1.60
0.50
1.00
1.60
0.05
0.75
0.22
0.12
0.50
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)
K
L
M
J
D
L
Type
BC847AT
BC847BT
BC847CT
Marking
1E
1F
1M
N
0°
8°
α
⎯
All Dimensions in mm
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
d
R
θ
JA
T
j
, T
STG
Value
50
45
6.0
100
150
833
-55 to +150
Unit
V
V
V
mA
mW
°C/W
°C
Characteristic
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
DC Current Gain
Characteristic
(Note 3)
@T
A
= 25°C unless otherwise specified
Symbol
Current Gain A
B
C
(Note 3)
(Note 3)
(Note 3)
(Note 3)
h
FE
V
CE(SAT)
V
BE(SAT)
V
BE
I
CBO
I
CBO
f
T
C
OBO
BC847BT
BC847CT
NF
Min
110
200
420
—
—
580
—
—
100
—
—
Typ
—
290
520
—
700
900
660
—
—
—
—
—
Max
220
450
800
250
600
—
700
770
15
5.0
—
4.5
10
4.0
Unit
—
mV
mV
mV
nA
µA
MHz
pF
dB
Test Condition
V
CE
= 5.0V, I
C
= 2.0mA
I
C
= 10mA, I
B
= 0.5mA
I
C
= 100mA, I
B
= 5.0mA
I
C
= 10mA, I
B
= 0.5mA
I
C
= 100mA, I
B
= 5.0mA
V
CE
= 5.0V, I
C
= 2.0mA
V
CE
=5.0V, I
C
= 10mA
V
CB
= 30V
V
CB
= 30V, T
A
= 150°C
V
CE
= 5.0V, I
C
= 10mA,
f = 100MHz
V
CB
= 10V, f = 1.0MHz
V
CE
= 5V, R
S
= 2.0kΩ,
f = 1.0kHz, BW = 200Hz
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
Base-Emitter Voltage
Collector-Emitter Cutoff Current
Gain Bandwidth Product
Output Capacitance
Noise Figure
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
1 of 3
www.diodes.com
BC847AT, BT, CT
© Diodes Incorporated
250
1,000
V
CE
= 5V
T
A
= 100
°
C
P
d
, POWER DISSIPATION (mW)
200
h
FE,
DC CURRENT GAIN
100
T
A
= 25
°
C
150
T
A
= -50
°
C
100
10
50
0
0
120
40
80
160
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 1, Power Derating Curve
200
1
0.01
0.1
1.0
10
100
I
C
, COLLECTOR CURRENT (mA)
Fig. 2, DC Current Gain vs Collector Current
V
CE(SAT)
, COLLECTOR SATURATION VOLTAGE (V)
0.5
1,000
T = 25
°
C
A
f
T
, GAIN BANDWIDTH PRODUCT (MHz)
V
CE
= 10V
0.4
0.3
V
CE
= 5V
V
CE
= 2V
100
0.2
0.1
1.0
10
100
I
C
, COLLECTOR CURRENT (mA)
Fig. 3, Collector Saturation Voltage vs Collector Current
0
0.1
10
0.1
1.0
10
100
I
C
, COLLECTOR CURRENT (mA)
Fig. 4, Gain Bandwidth Product vs Collector Current
Ordering Information
(Note 4)
Device
BC847AT-7-F
BC847BT-7-F
BC847CT-7-F
Notes:
Packaging
SOT-523
SOT-523
SOT-523
Shipping
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
4. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
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)
XXYM
Date Code Key
Year
Code
Month
Code
DS30274 Rev. 9 - 2
1998
J
Jan
1
1999
K
Feb
2
2000
L
2001
M
Mar
3
2002
N
Apr
4
2003
P
May
5
2004
R
Jun
6
2 of 3
2005
S
2006
T
Jul
7
2007
U
Aug
8
2008
V
Sep
9
2009
W
Oct
O
2010
X
2011
Y
Nov
N
2012
Z
Dec
D
BC847AT, BT, CT
© Diodes Incorporated
www.diodes.com
IMPORTANT NOTICE
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.
LIFE SUPPORT
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.
DS30274 Rev. 9 - 2
3 of 3
www.diodes.com
BC847AT, BT, CT
© Diodes Incorporated
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