BC857A,BC857B,BC857C
Features
•
•
•
•
For Switching and AF Amplifier Applications
Halogen Free Available Upon Request By Adding Suffix "-HF"
Moisture Sensitivity Level 1
Epoxy Meets UL 94 V-0 Flammability Rating
•
Lead Free Finish/RoHS Compliant ("P" Suffix Designates RoHS
Compliant. See Ordering Information)
PNP
Small Signal
Transistor
Maximum Ratings
•
•
•
•
SOT-23
Operating Junction Temperature Range: -55℃ to +150℃
Storage Temperature Range: -55℃ to +150℃
A
Thermal Resistance: 320℃/W Junction to Solder-point (Note1)
Thermal Resistance: 403℃/W Junction to Ambient (Note1)
D
C
Parameter
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Peak Collector Current
Peak Emitter Current
Power Dissipation TS=50℃ (Note1)
Symbol
VCBO
VCEO
VEBO
IC
ICM
IEM
PD
Rating
-50
-45
-5
-100
-200
-200
310
Unit
V
V
V
mA
mA
mA
mW
Note: 1. Package Mounted 1.0*1.0mm Pad Layout 1oz Copper That is On a
Single-sided FR4 PCB.
Part Number
Marking
BC857A
3E
BC857B
3F
BC857C
3G
Internal Structure
F
B
E
H
G
J
L
K
DIMENSIONS
INCHES
MM
DIM
MIN MAX MIN MAX
A
0.110 0.120 2.80 3.04
B
0.083 0.104 2.10 2.64
C
0.047 0.055 1.20 1.40
0.034 0.041 0.85 1.05
D
E
0.067 0.083 1.70 2.10
F
0.018 0.024 0.45 0.60
G 0.0004 0.006 0.01 0.15
H
0.035 0.043 0.90 1.10
J
0.003 0.007 0.08 0.18
K
0.014 0.020 0.35 0.51
L
0.007 0.020 0.20 0.50
NOTE
Suggested Solder Pad Layout
C
0.031
0.800
B
0.035
0.900
E
0.079
2.000
0.037
0.950
Rev.3-1-01012019
1/4
inches
mm
0.037
0.950
MCCSEMI.COM
BC857A,BC857B,BC857C
Electrical Characteristics @ 25°C Unless Otherwise Specified
Parameter
Collector-Base Breakdown Voltage(Note2)
Collector-Emitter Breakdown Voltage(Note2)
Emitter-Base Breakdown Voltage (Note2)
Collector-Cutoff Current
DC Current Gain
(Note2)
(Note2)
Small Signal Current Gain
Input Impedance
Output Admittance
Reverse Voltage Transfer Ratio
Symbol
V(BR)CBO
V(BR)CEO
V(BR)EBO
ICES
BC857 A
BC857 B
BC857 C
BC857 A
BC857 B
BC857 C
BC857 A
BC857 B
BC857 C
BC857 A
BC857 B
BC857 C
BC857 A
BC857 B
BC857 C
hFE
hie
hoe
hre
Base-Emitter Saturation Voltage (Note2)
VBE(sat)
Noise Figure
125
220
420
hfe
VCE(sat)
Current Gain-Bandwidth Product
Collector-Base Capacitance
Typ
ICBO
Collector-Emitter Saturation Voltage (Note2)
Base-Emitter Voltage (Note2)
Min
-50
-45
-5
VBE
fT
-600
100
180
290
520
200
330
600
2.7
4.5
8.7
18
30
60
1.5x10-4
2x10-4
3x10-4
-75
-250
-700
-850
-650
CCBO
200
3
NF
2
Max
-15
-15
-4
250
475
800
Units
V
V
V
nA
nA
µA
µS
-750
-820
10
VCE=-50V
VCB=-30V
VCB=-30V, TA=150℃
VCE=-5Vdc, IC=-2mA
KΩ
-300
-650
Conditions
IC=-10µA, IE=0
IC=-10mA, IB=0
IE=-1µA, IC=0
mV
mV
mV
mV
mV
mV
MHz
pF
dB
VCE=-5V
IC=-2mA
f=1KHz
IC=-10mA, IB=-0.5mA
IC=-100mA, IB=-5mA
IC=-10mA, IB=-0.5mA
IC=-100mA, IB=-5mA
VCE=-5V, IC=-2mA
VCE=-5V, IC=-10mA
VCE=-5V, IC=-10mA, f=100MHz
VCB=-10V, f=1MHz
VCE=-5V, IC=-200µA
RS=2KΩ, f=1KHz, Δf=200Hz
Note: 2. Short Duration Pulse Test to Minimize Self-heating Effect.
Rev.3-1-01012019
2/4
MCCSEMI.COM
BC857A,BC857B,BC857C
Curve Characteristics
Fig. 2 - DC Current Gain Characteristics
Fig. 1 - Static Characteristics
-8
Common Emitter
TA=25°C
-30μA
-24μA
-21μA
-18μA
-4
Common Emitter
VCE= - 5V
TA=100°C
-27μA
-6
DC Current Gain
Collector Current (mA)
1000
-15μA
-12μA
TA=25°C
100
-9μA
-2
-6μA
IB=-3μA
-0
-0
-2
-4
-6
10
-0.1
-8
-1
Collector-Emitter Voltage (V)
-2000
Base-Emitter Saturation Voltage (mV)
Collector-Emitter Saturation Voltage (mV)
-100
Fig. 4 - Base-Emitter Saturation Voltage Characteristics
Fig. 3 - Collector-Emitter Saturation Voltage Characteristics
-1000
-100
TA=100°C
TA=25°C
-1000
TA=25°C
TA=100°C
β=20
-10
-0.1
-1
-10
β=20
-100
-0.1
-100
-1
Collector Current (mA)
Fig. 5 - Base-Emitter Voltage Characteristics
-0.1
-0.0
Collector Power Dissipation (mW)
TA=100°C
TA=25°C
-1
-0.3
-0.6
-0.9
-1.2
Base-Emitter Voltage (V)
Rev.3-1-01012019
-100
Fig. 6 - Collector Power Derating Curve
400
Common Emitter
VCE= - 5V
-10
-10
Collector Current (mA)
-100
Collcetor Current (mA)
-10
Collector Current (mA)
300
200
100
0
0
25
50
75
100
125
150
Ambient Temperature (°C)
3/4
MCCSEMI.COM
BC857A,BC857B,BC857C
Ordering Information
Device
Packing
Part Number-TP
Tape&Reel: 3Kpcs/Reel
Note : Adding "-HF" Suffix For Halogen Free, eg. Part Number-TP-HF
***IMPORTANT NOTICE***
Micro Commercial Components Corp. reserves the right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components
Corp . 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 Micro Commercial Components Corp . and all the companies whose products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express
written approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
Rev.3-1-01012019
4/4
MCCSEMI.COM
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