BC857AT, BT, CT
Features
x Epitaxial Die Construction
xFor Switching and AF Amplifier Applications PNP SMALL SIGNAL
SURFACE MOUNT
TRANSISTOR
Maximum Ratings @ 25OC Unless Otherwise Specified
Symbol Rating Rating Unit
VCEO Collector-Emitter Voltage -45 V
VCBO Collector-Base Voltage -50 V
VEBOEmitter-Base Voltage -6.0V
ICCollector Current-Continuous -100 mA
Pd
Power Dissipation
150mW
TJOperating Junction Temperature -55 to +150 к
TSTG Storage Temperature -55 to +150 к
Electrical Characteristics @ 25OC Unless Otherwise Specified
Symbol ParameterMinTyp Max Units
V(BR)CEO Collector-Emitter Breakdown Voltage
(IC=-10mA, IB=0)-45------V
V(BR)CBO Collector-Base Breakdown Voltage
(IC=-10uA, IB=0)-50------V
V(BR)EBO Collector-Emitter Breakdown Voltage
(IE=-1uA, IC=0)-6 ------V
ICBOCollector Cutoff Current (
V
CB
= -30V)
-------15nA
hFE DC Current Gain
Current Gain A
(
V
CE
=-5.0V,I
C
=-2.0mA
) B
C
125
220
420
---
---
---
250
475
800
---
VCE(SAT)Collector-Emitter Saturation Voltage
(
I
C
= -10mA, I
B
= -0.5mA
)
(
I
C
= -100mA, I
B
= -5.0 mA)
---
---
---
---
-300
-650
mV
V
BE(SAT)
Base-Emitter Saturation Voltage
(
I
C
= -10mA, I
B
= -0.5mA)
(I
C
= -100mA,I
B
= -5.0mA)
---
---
-700
-900
---
---
mV
V
BE(ON)
Base-Emitter Voltage
(V
CE
= -5.0V, I
C
= -2.0mA)
(
V
CE
= -5.0V, I
C
= -10mA)
-600
---
---
---
-750
-820
mV
Noise
Figure
NF
(I
C
= -0.2mA, V
CE
= -5.0V, R
S
=
2.0Kȍ, f = 1.0KHz,BW = 200Hz)
------10
dB
fT
Transition Frequency
(V
CE
= -5.0V, I
C
= -10mA,f=100MHz)
100------MHz
CoB
Output Capacitance
(
V
CB
= -10V, f = 1.0MHz
)--- --- 4.5 pF
Classification OF h FE
Rank AT BT CT
Marking3E 3F 3G
MCC
Revision: B 2013/01/01
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .059 .067 1.50 1.70
B .030 .033 0.75 0.85
C .057 .069 1.45 1.75
D .020 Nominal 0.50Nominal
E .035 .043 0.90 1.10
G .000 .004 .000 .100
H .028 .031 .70 0.80
J .004 .008 .100 .200
K .010 .014 .25 .35
A
C
B
D
E
GH
J
K
E
B
C
SOT-523
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TM
Micro Commercial Components
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20736 Marilla Street Chatsworth
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Epoxy meets UL 94 V-0 flammability rating
Moisture Sensitivity Level 1
Lead Free Finish/Rohs Compliant ("P"Suffix designates
Compliant. See ordering information)
Halogen free available upon request by adding suffix "-HF"
BC857AT,BT,CT
Typical Characteristics
MCC TM
Micro Commercial Components
Revision: B 2013/01/01
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MCC TM
Micro Commercial Components
Revision: B 2013/01/01
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Device Packing
Part Number-TP Tape&Reel: 3Kpcs/Reel
Ordering Information :
***IMPORTANT NOTICE***
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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.
Note : Adding "-HF" suffix for halogen free, eg. Part Number-TP-HF