Diodes BC857AT, BT, CT - Manual (Page 2)

DS30275 Rev. 9 - 2 2 of 3
www.diodes.com
BC857AT, BT, CT
© Diodes Incorporated
0
50
100
25 50 75 100 125 150 175 200
P
,
P
O
WE
R
DIS
S
IP
A
T
IO
N (
m
W
)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs.
Ambient Temperature
A
150
200
250
1 0.1 10 100 1,000
V,
C
O
LL
E
C
T
O
R
T
O
EM
IT
T
E
R
S
A
TU
R
A
TI
O
N
VO
L
T
AG
E
(
V
)
CE
(S
A
T
)
I , COLLECTOR CURRENT (mA)
Fig. 2, Collector Emitter Saturation Voltage
vs. Collector Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
0
0.1
0.2
0.3
0.4
0.5
I
I
C
B
= 10
0
10
100
1,000
1 10 100
f,
G
AIN BANDW
ID
T
H
P
R
O
D
U
C
T
(M
H
z)
t
I , COLLECTOR CURRENT (mA)
Fig. 4, Gain Bandwidth Product vs. Collector Current
C
V = 5V
CE
1
10
100
1,000
1 10 100 1,000
V = 5V
CE
h,
D
C
C
U
R
R
E
N
T
G
AI
N
FE
I , COLLECTOR CURRENT (mA)
Fig. 3, DC Current Gain vs. Collector Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
Ordering Information
(Note 6)
Device Packaging Shipping
BC857AT-7-F SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel BC857BT-7-F
SOT-523 3000/Tape & Reel BC857CT-7-F
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XXYM
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)
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 Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D