DIODES BC857BT

SPICE MODEL: BC847AT BC857BT BC857CT
Pb
BC857AT, BT, CT
Lead-free
PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
·
·
Epitaxial Die Construction
·
·
·
Ultra-Small Surface Mount Package
Complementary NPN Types Available
(BC847AT, BT, CT)
SOT-523
A
Lead Free/RoHS Compliant (Note 2)
C
Qualified to AEC-Q101 Standards for High Reliability
B C
TOP VIEW
Mechanical Data
E
B
·
·
Case: SOT-523
G
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
H
·
·
·
Moisture Sensitivity: Level 1 per J-STD-020C
·
·
·
·
K
M
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
J
D
L
Terminal Connections: See Diagram
Marking Codes (See Table Below & Diagrams on Page 2)
Dim
Min
Max
Typ
A
0.15
0.30
0.22
B
0.75
0.85
0.80
C
1.45
1.75
1.60
D
¾
¾
0.50
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
a
0°
8°
¾
All Dimensions in mm
Ordering & Date Code Information: See Page 2
Weight: 0.002 grams (approximate)
Type
Marking
BC857AT
3V
BC857BT
3W
BC857CT
3G
Maximum Ratings
@ TA = 25°C unless otherwise specified
Symbol
Value
Unit
Collector-Base Voltage
Characteristic
VCBO
-50
V
Collector-Emitter Voltage
VCEO
-45
V
Emitter-Base Voltage
VEBO
-5.0
V
IC
-100
mA
Pd
Collector Current
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage Temperature Range
Notes:
150
mW
RqJA
833
°C/W
Tj, TSTG
-55 to +150
°C
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.
DS30275 Rev. 8 - 2
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BC857AT, BT, CT
ã Diodes Incorporated
Electrical Characteristics
@ TA = 25°C unless otherwise specified
Symbol
Min
Typ
Max
Unit
Collector-Base Breakdown Voltage (Note 3)
Characteristic
V(BR)CBO
-50
—
—
V
IC = 10mA, IB = 0
Collector-Emitter Breakdown Voltage (Note 3)
V(BR)CEO
-45
—
—
V
IC = 10mA, IB = 0
Emitter-Base Breakdown Voltage (Note 3)
V(BR)EBO
-5
—
—
V
IE = 1mA, IC = 0
hFE
125
220
420
—
290
520
250
475
800
—
VCE = -5.0V, IC = -2.0mA
Collector-Emitter Saturation Voltage (Note 3)
VCE(SAT)
—
—
—
-300
-650
mV
IC = -10mA, IB = -0.5mA
IC = -100mA, IB = -5.0mA
Base-Emitter Saturation Voltage (Note 3)
VBE(SAT)
—
—
-700
-900
—
—
mV
IC = -10mA, IB = -0.5mA
IC = -100mA, IB = -5.0mA
Base-Emitter Voltage (Note 3)
VBE(ON)
-600
—
—
—
-750
-820
mV
VCE = -5.0V, IC = -2.0mA
VCE = -5.0V, IC = -10mA
ICBO
—
—
—
—
-15
-4.0
NA
µA
VCB = -30V
VCB = -30V, TA = 150°C
fT
100
—
—
MHz
VCE = -5.0V, IC = -10mA,
f = 100MHz
Output Capacitance
COB
—
—
4.5
pF
VCB = -10V, f = 1.0MHz
Noise Figure
NF
—
—
10
dB
IC = -0.2mA, VCE = -5.0Vdc,
RS = 2.0KW, f = 1.0KHz,
BW = 200Hz
DC Current Gain (Note 3)
Current Gain A
B
C
Collector-Cutoff Current (Note 3)
Gain Bandwidth Product
Notes:
3. Short duration pulse test used to minimize self-heating effect.
Ordering Information
Notes:
Test Condition
(Note 4)
Device
Packaging
Shipping
BC857AT-7-F
SOT-523
3000/Tape & Reel
BC857BT-7-F
SOT-523
3000/Tape & Reel
BC857CT-7-F
SOT-523
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. 3V = BC857AT
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
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
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
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BC857AT, BT, CT
0.5
VCE(SAT), COLLECTOR TO EMITTER
SATURATION VOLTAGE (V)
PD, POWER DISSIPATION (mW)
250
200
150
100
50
IC
IB = 10
0.4
0.3
TA = 25°C
TA = 150°C
0.2
0.1
TA = -50°C
0
0
0
25
50
75
100
125
150
200
175
0.1
TA, AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs
Ambient Temperature
1000
100
1000
TA = 150°C
100
10
IC, COLLECTOR CURRENT (mA)
Fig. 2 Collector Emitter Saturation Voltage
vs. Collector Current
VCE = 5V
TA = 25°C
TA = -50°C
10
ft, GAIN BANDWIDTH PRODUCT (MHz)
hFE, DC CURRENT GAIN
1000
1
VCE = 5V
100
10
1
10
1
100
1000
1
10
100
IC, COLLECTOR CURRENT (mA)
Fig. 4, Gain Bandwidth Product vs Collector Current
IC, COLLECTOR CURRENT (mA)
Fig. 3, DC Current Gain vs. Collector Current
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.
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BC857AT, BT, CT