Marking information, Mmbt5551, Ordering information – Diodes MMBT5551 User Manual
Page 3
MMBT5551
0.04
0.05
0.06
0.07
0.08
0.09
0.15
0.14
0.13
0.12
0.11
0.10
1
10
100
1,000
V,
C
O
LL
E
C
T
O
R
-E
M
IT
T
E
R
SA
TURA
T
IO
N
VO
L
T
AGE
(
V
)
CE
(S
A
T
)
I , COLLECTOR CURRENT (mA)
Fig. 3 Typical Collector-Emitter Saturation Voltage
vs. Collector Current
C
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.1
1
10
100
V
, B
ASE-
E
M
IT
T
E
R
T
U
R
N-
O
N V
O
L
T
A
G
E (
V)
BE(
O
N
)
I , COLLECTOR CURRENT (mA)
Fig. 4 Typical Base-Emitter Turn-On Voltage
vs. Collector Current
C
V
= 5V
CE
T = 150°C
A
T = 25°C
A
T = -50°C
A
1
10
1,000
100
1
10
100
f,
G
AI
N
-B
A
N
DW
ID
T
H
P
R
O
D
U
C
T
(M
H
z)
T
I , COLLECTOR CURRENT (mA)
Fig. 5 Typical Gain-Bandwidth Product vs.
Collector Current
C
V
= 5V
CE
Ordering Information
(Note 5)
Part Number
Case
Packaging
MMBT5551-7-F
SOT-23
3000/Tape & Reel
Notes:
5. For packaging details, go to our w.
Marking Information
K4N
YM
K4N = Product Type Marking Code
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 2013
2014
2015
Code
J
K
L
M
N
P
R
S
T
U
V
W
X Y Z A B C
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
MMBT5551
Document number: DS30061 Rev. 11 - 2
3 of 4
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