6. Product manufactured with Date Code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to
Date Code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
7. Short duration pulse test used to minimize self-heating effect.
8. The DC Current Gain, h
FE
, (matched at I
C
= 10mA and V
CE
= 5V) Collector Emitter Saturation Voltage, V
CE(SAT)
, and Base
Emitter Saturation Voltage, V
BE(SAT)
are matched with typical matched tolerances of 1% and maximum of 2%.
9. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
E
1
E
2
C
2
C
1
E
1
C
2
K4R
C
1
B
1
K4R = DMMT5551 Product Type Marking Code
YM = Date Code Marking
Y = Year ex: T = 2006
M = Month ex: 9 = September
B
1
K4T
E
2
K4T = DMMT5551S Product Type Marking Code
YM = Date Code Marking
Y = Year ex: T = 2006
M = Month ex: 9 = September
YM
B
2
B
2
Date Code Key
Year
Code
2003
Q
2004
R
2005
S
2006
T
2007
U
2008
V
2009
W
2010
X
2011
Y
2012
Z
Month
Code
Jan
1
Feb
2
Mar
3
Apr
4
May
5
Jun
6
Jul
7
YM
Aug
8
Sep
9
Oct
O
Nov
N
Dec
D
DS30436 Rev. 7 - 2
2 of 4
www.diodes.com
DMMT5551/DMMT5551S
400
Note 2
350
0.15
0.14
V
CE(SAT)
, COLLECTOR TO EMITTER
SATURATION VOLTAGE (V)
0.13
0.12
0.11
0.10
0.09
0.08
0.07
0.06
0.05
0.04
1
10
100
1000
I
C
, COLLECTOR CURRENT (mA)
Fig. 2, Collector Emitter Saturation Voltage
vs. Collector Current
T
A
= -50°C
T
A
= 25°C
T
A
= 150°C
I
C
= 10
I
B
P
D
, POWER DISSIPATION (mW)
300
250
200
150
100
50
0
0
25
50
75
100
125
150
175
200
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs
Ambient Temperature
1.0
1000
V
CE
= 5V
T
A
= 150°C
h
FE
, DC CURRENT GAIN
V
BE(ON)
, BASE EMITTER VOLTAGE (V)
V
CE
= 5V
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
T
A
= 150°C
T
A
= 25°C
T
A
= -50°C
100
T
A
= 25°C
T
A
= -50°C
10
1
1
10
I
C
, COLLECTOR CURRENT (mA)
Fig. 3, DC Current Gain vs
Collector Current
100
0.1
1
10
100
I
C
, COLLECTOR CURRENT (mA)
Fig. 4, Base Emitter Voltage
vs. Collector Current
1000
f
T
, GAIN BANDWIDTH PRODUCT (MHz)
V
CE
= 5V
100
10
1
1
10
I
C
, COLLECTOR CURRENT (mA)
Fig. 5, Gain Bandwidth Product vs.
Collector Current
100
DS30436 Rev. 7 - 2
3 of 4
www.diodes.com
DMMT5551/DMMT5551S
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
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