DS30274 Rev. 3 - 2 1 of 3 BC847AT, BT, CT
www.diodes.com ã Diodes Incorporated
BC847AT, BT, CT
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
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 IC100 mA
Power Dissipation (Note 1) Pd150 mW
Thermal Resistance, Junction to Ambient (Note 1) RqJA 833 °C/W
Operating and Storage Temperature Range Tj,T
STG -55 to +150 °C
·Epitaxial Die Construction
·Complementary PNP Type Available
(BC857AT,BT,CT)
·Ultra-Small Surface Mount Package
·Also Available in Lead Free Version
Type Marking
BC847AT 1E
BC847BT 1F
BC847CT 1M
·Case: SOT-523, Molded Plastic
·Case material - UL Flammability Rating
Classification 94V-0
·Moisture sensitivity: Level 1 per J-STD-020A
·Terminals: Solderable per MIL-STD-202,
Method 208
·Also Available in Lead Free Plating (Matte Tin
Finish). Please see Ordering Information,
Note 3, on Page 1
·Terminal Connections: See Diagram
·Marking Code: See Table Below & Diagram
on Page 2
·Ordering Information: See Table Below
·Date Code Information: See Page 2
·Weight: 0.002 grams (approx.)
Mechanical Data A
M
JL
D
BC
H
K
G
TOP VIEW
C
E
B
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. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
3. For Lead Free version (with Lead Free terminal finish) part number, please add "-F" suffix to part number above.
Example: BC847CT-7-F.
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Ordering Information
Device Packaging Shipping
BC847AT-7 SOT-523 3000/Tape & Reel
BC847BT-7 SOT-523 3000/Tape & Reel
BC847CT-7 SOT-523 3000/Tape & Reel
(Note 2)
SOT-523
Dim Min Max Typ
A0.15 0.30 0.22
B0.75 0.85 0.80
C1.45 1.75 1.60
D¾¾0.50
G0.90 1.10 1.00
H1.50 1.70 1.60
J0.00 0.10 0.05
K0.60 0.80 0.75
L0.10 0.30 0.22
M0.10 0.20 0.12
N0.45 0.65 0.50
a0°8°¾
All Dimensions in mm
SPICE MODELS: BC847AT BC847BT BC847CT
DS30274 Rev. 3 - 2 2 of 3 BC847AT, BT, CT
www.diodes.com
Electrical Characteristics @ TA= 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
DC Current Gain (Note 4)
Current Gain A
B
C
Current Gain A
B
C
hFE
—
—
—
110
200
420
—
150
270
—
290
520
—
—
—
220
450
800
—
VCE = 5.0V, IC = 2.0mA
Collector-Emitter Saturation Voltage (Note 4) VCE(SAT) —— 250
600 mV IC= 10mA, IB = 0.5mA
IC = 100mA, IB = 5.0mA
Base-Emitter Saturation Voltage (Note 4) VBE(SAT) —700
900 —mV
IC = 10mA, IB = 0.5mA
IC = 100mA, IB = 5.0mA
Base-Emitter Voltage (Note 4) VBE 580
—
660
—
700
770 mV VCE = 5.0V, IC = 2.0mA
VCE =5.0V, IC = 10mA
Collector-Emitter Cutoff Current (Note 4) ICBO
ICBO —— 15
5.0
nA
µA
VCB = 30V
VCB = 30V, TA = 150°C
Gain Bandwidth Product fT100 — — MHz VCE = 5.0V, IC = 10mA,
f = 100MHz
Output Capacitance COBO — — 4.5 pF VCB = 10V, f = 1.0MHz
BC847BT
Noise Figure BC847CT NF — — 10
4.0 dB VCE = 5V, RS = 2.0kW,
f = 1.0kHz, BW = 200Hz
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Notes: 4. Short duration pulse test used to minimize self-heating effect.
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1234567
89 OND
Date Code Key
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
Marking Information
Year 1998 1999 2000 2001 2002 2003 2004
Code JKLM N PR
DS30274 Rev. 3 - 2 3 of 3 BC847AT, BT, CT
www.diodes.com
1
10
100
1000
1.0 10 1000.10.01
h DC CURRENT GAIN
FE,
I , COLLECTOR CURRENT (mA)
C
Fi
g
. 2, DC Current Gain vs Collector Current
V = 5V
CE
100°C
T = 25°C
A
-50°C
0
0.1
0.2
0.3
0.4
0
.5
0.1 1.0 10 100
V , COLLECTOR SATURATION VOLTAGE (V)
CE
I , COLLECTOR CURRENT (mA)
C
Fi
g
. 3, Collector Saturation Volta
g
e vs Collector Current
I / I = 20
CB
T = 100°C
A
25°C
-50°C
10
100
1000
0.1 1.0 10 100
f , GAIN BANDWIDTH PRODUCT (MHz)
T
I , COLLECTOR CURRENT (mA)
C
Fi
g
. 4, Gain Bandwidth Product vs Collector Current
T = 25°C
A
V = 10V
CE
5V 2V
0
100
150
50
200
2
5
0
0100200
P , POWER DISSIPATION (mW)
d
T , AMBIENT TEMPERATURE (°C)
A
Fi
g
. 1, Power Deratin
g
Curve
(see Note 1)
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.
TCUDORPWEN
