Qualified to AEC-Q101 Standards for High Reliability
TOP VIEW
B C
A
SOT-363/SOT-353
Orientation Indicator
applies only to parts
where shown below
This pin omitted
for SOT-353
Dim
A
B
C
D
F
H
M
Min
0.10
1.15
2.00
0.30
1.80
¾
0.90
0.25
0.10
0°
Max
0.30
1.35
2.20
0.40
2.20
0.10
1.00
0.40
0.25
8°
Mechanical Data
Case: SOT-353 or SOT-363
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe). Please see Ordering Information, Note 5, on
Page 3
Orientation: See Diagrams Below
Marking: See Diagrams Below & Page 3
Weight: 0.006 grams (approximate)
A
1
C
A
2
C
1
A
C
2
A
1
0.65 Nominal
H
K
J
K
L
M
a
J
D
F
L
All Dimensions in mm
C
2
C
2
C
1
A
2
A
2
AC
1
C
2
A
2
C
1
C
2
C
3
A
4
A
3
C
4
NC
C
3
C
1
C
1
A
2
A
1
A
1
C
2
A
1
C
1
AC
2
A
1
A
2
A
3
Marking: KA4
MMBD4448HCQW
Marking: KA5
MMBD4448HAQW
Marking: KA6
MMBD4448HADW
Marking: KA7
MMBD4448HCDW
Marking: KAB
MMBD4448HSDW
Marking: KAA
MMBD4448HTW
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s
Power Dissipation (Note 1)
Thermal Resistant Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Notes:
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
d
R
qJA
T
j
, T
STG
Value
100
80
57
500
250
4.0
2.0
200
625
-65 to +150
Unit
V
V
V
mA
mA
A
mW
°C/W
°C
1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout
document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2
.
No purposefully added lead.
DS30153 Rev. 14 - 2
1 of 4
MMBD4448HCQW /AQW /ADW /CDW /SDW /TW
www.diodes.com
ã
Diodes Incorporated
Electrical Characteristics
@ T
A
= 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 3)
Forward Voltage
Symbol
V
(BR)R
V
F
Min
80
0.62
¾
¾
¾
¾
¾
¾
Max
¾
0.72
0.855
1.0
1.25
100
50
30
25
3.5
4.0
Unit
V
V
nA
mA
mA
nA
pF
ns
Test Condition
I
R
= 100mA
I
F
= 5.0mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
V
R
= 70V
V
R
= 75V, T
j
= 150°C
V
R
= 25V, T
j
= 150°C
V
R
= 20V
V
R
= 6V, f = 1.0MHz
V
R
= 6V, I
F
= 5mA
Reverse Current (Note 3)
Total Capacitance
Reverse Recovery Time
Notes:
3. Short duration test pulse used to minimize self-heating effect.
I
R
C
T
t
rr
I
F
, INSTANTANEOUS FORWARD CURRENT (mA)
I
R
, INSTANTANEOUS REVERSE CURRENT (nA)
1000
10000
T
A
= 125ºC
1000
100
T
A
= 75ºC
100
10
T
A
= -40ºC
T
A
= 0ºC
10
T
A
= 25ºC
1
T
A
= 25ºC
T
A
= 75ºC
T
A
= 125ºC
1
T
A
= 0ºC
T
A
= -40ºC
0.1
0
0.4
0.8
1.2
1.6
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
3
f = 1MHz
0.1
0
20
40
60
80
100
V
R
, REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
250
2
P
d
, POWER DISSIPATION (mW)
0
10
20
40
C
T
, TOTAL CAPACITANCE (pF)
2.5
200
150
1.5
100
1
0.5
50
0
30
0
0
40
80
120
160
200
V
R
, REVERSE VOLTAGE (V)
Fig. 3 Typical Capacitance vs. Reverse Voltage
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 4 Power Derating Curve, Total Package
DS30153 Rev. 14 - 2
2 of 4
MMBD4448HCQW /AQW /ADW /CDW /SDW /TW
www.diodes.com
2.5
T
rr
, REVERSE RECOVERY TIME (nS)
2.0
1.5
1.0
0.5
0
0
2
4
6
8
10
I
F
, FORWARD CURRENT (mA)
Fig. 5 Reverse Recovery Time vs.
Forward Current
Ordering Information
Device
(Note 4)
Packaging
SOT-363
SOT-363
SOT-363
SOT-353
SOT-363
SOT-363
Shipping
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
MMBD4448HADW-7-F
MMBD4448HAQW-7-F
MMBD4448HCDW-7-F
MMBD4448HCQW-7-F
MMBD4448HSDW-7-F
MMBD4448HTW-7-F
Notes:
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
KA4 = Product Type Marking Code,
KA4 = MMBD4448HCQW
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
KXX = Product Type Marking Code,
ex. KA5 = MMBD4448HAQW
KAA = MMBD4448HTW
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
YM
KA4
SOT-353
KXX
SOT-363
KXX
YM
YM
KXX
KXX = Product Type Marking Code, ex. KA6 = MMBD4448HADW
KA7 = MMBD4448HCDW
KAB = MMBD4448HSDW
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
SOT-363
Date Code Key
Year
Code
Month
Code
2000
L
2001
M
Jan
1
2002
N
Feb
2
2003
P
March
3
2004
R
Apr
4
2005
S
May
5
2006
T
Jun
6
2007
U
Jul
7
2008
V
Aug
8
2009
W
Sep
9
2010
X
Oct
O
2011
Y
Nov
N
2012
Z
Dec
D
DS30153 Rev. 14 - 2
3 of 4
MMBD4448HCQW /AQW /ADW /CDW /SDW /TW
www.diodes.com
YM
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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