MMBD4448HCQW /AQW
/ADW /CDW /SDW /TW
Document number: DS30153 Rev. 18 - 2
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www.diodes.com July 2012
© Diodes Incorporated
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SURFACE MOUNT FAST SWITCHING DIODE ARRAY
Features
• Fast Switching Speed
• Low Forward Voltage: Maximum of 0.72V at 5mA
• Low Reverse Current: Maximum of 100nA at 70V
• Fast Reverse Recovery: Maximum of 4ns
• Low Capacitance: Maximum of 3.5pF
• Small Surface Mount Package
• For General Purpose Switching Applications
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
• Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
• Case: SOT353 or SOT363
• Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Matte Tin Finish annealed over Alloy 42 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
• Orientation: See Diagrams Below
• Weight: 0.006 grams (approximate)
A
2
A
1
C
A
3
A
4
C
2
C
1
NC
A
C
3
C
4
A
1
A
2
C
2
C
1
C
2
C
1
C
1
C
2
A
2
A
1
A
2
A
1
AC
1
AC
2
C
2
A
1
A
2
C
1
C
1
A
3
C
2
A
1
C
3
A
2
SOT-353
TOP VIEW SOT-363
TOP VIEW MMBD4448HCQW MMBD4448HAQW MMBD4448HADW MMBD4448HCDW MMBD4448HSDW MMBD4448HTW
Ordering Information (Note 4)
Part Number Qualification Case Packaging
MMBD4448HADW-7-F Commercial SOT363 3000/Tape & Reel
MMBD4448HADWQ-7-F Automotive SOT363 3000/Tape & Reel
MMBD4448HAQW-7-F Commercial SOT363 3000/Tape & Reel
MMBD4448HCDW-7-F Commercial SOT363 3000/Tape & Reel
MMBD4448HCQW-7-F Commercial SOT353 3000/Tape & Reel
MMBD4448HSDW-7-F Commercial SOT363 3000/Tape & Reel
MMBD4448HTW-7-F Commercial SOT363 3000/Tape & Reel
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com.
Marking Information
KA4
YM
SOT-353
KA4 = Product Type Marking Code,
KA4 = MMBD4448HCQW
YM = Date Code Marking
Y = Year (ex: Z = 2012)
M = Month (ex: 9 = September)
KXX
YM
SOT-363
KXX = Product Type Marking Code,
ex. KA5 = MMBD4448HAQW
KAA = MMBD4448HTW
YM = Date Code Marking
Y = Year (ex: Z = 2012)
M = Month (ex: 9 = September)
KXX YM
KXX YM
SOT-363
KXX = Product Type Marking Code,
ex. KA6 = MMBD4448HADW
KA7 = MMBD4448HCDW
KAB = MMBD4448HSDW
YM = Date Code Marking
Y = Year (ex: Z = 2012)
M = Month (ex: 9 = September)
Date Code Key
Year 2000 2001 2002 2003 ….. 2012 2013 2014 2015 2016 2017 2018 2019
Code L M N P ….. Z A B C D E F G
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
SOT353/SOT363
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MMBD4448HCQW /AQW
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Document number: DS30153 Rev. 18 - 2
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Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage VRM 100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR 80 V
RMS Reverse Voltage VR
(
RMS
)
57 V
Forward Continuous Current (Note 5) IFM 500 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0µs
@ t = 1.0s IFSM 4.0
1.0 A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 5) PD 200 mW
Thermal Resistance Junction to Ambient Air (Note 5) R
θ
JA 625 °C/W
Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 6) V
(
BR
)
R 80 ⎯ V IR = 100µA
Forward Voltage VF
0.62
⎯
⎯
⎯
0.72
0.855
1.0
1.25
V
IF = 5.0mA
IF = 10mA
IF = 100mA
IF = 150mA
Reverse Current (Note 6) IR ⎯
100
50
30
25
nA
µA
µA
nA
VR = 70V
VR = 75V, TJ = +150°C
VR = 25V, TJ = +150°C
VR = 20V
Total Capacitance CT ⎯ 3.5 pF
VR = 6V, f = 1.0MHz
Reverse Recovery Time tr
r
⎯ 4.0 ns
VR = 6V, IF = 5mA
Notes: 5. 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.
6. Short duration pulse test used to minimize self-heating effect.
0
50
100
150
200
250
0120
1608040 200
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N
(mW)
D
T , AMBIENT TEMPERA TURE ( C)
Figure 1 Power Derating Curve, Total Package
A
°
Note 5
10
100
1,000
1
0.1 01.6
1.20.4 0.8
I, INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(mA)
F
V , INSTANTANEOUS FORW ARD VOLTAGE (V)
Fig ur e 2 Typi cal Forward C haracteristics
F
MMBD4448HCQW /AQW
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Document number: DS30153 Rev. 18 - 2
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0.1
1
10
100
1,000
10,000
020 40 60 80 100
V , INSTANT ANEOUS REVERSE VOL TAGE (V)
Figure 3 Typical Reverse Characteristics
R
I , INS
T
AN
T
ANE
O
U
S
R
EVE
R
SE
C
U
R
R
EN
T
(nA)
R
T = -40ºC
A
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
T = 0ºC
A
0
0.5
1
2.5
2
1.5
3
010 20 40
30
C
,
T
O
T
AL
C
A
P
A
C
I
T
AN
C
E (p
F
)
T
V , DC REVERSE VOLT AGE (V)
Fig ur e 4 To t al Capac itance vs . R everse Volt age
R
046
8
210
I , FORWARD CURRENT (mA)
Figure 5 Reverse Recovery Time vs. Forward Current
F
T
,
R
EVE
R
SE
R
E
C
O
VE
R
Y
T
IME (nS)
rr
0
0.5
1.0
1.5
2.0
2.5
Package Outline Dimensions
SOT-363
Dim Min Max
A 0.10 0.30
B 1.15 1.35
C 2.00 2.20
D 0.65 Typ
F 0.40 0.45
H 1.80 2.20
J 0 0.10
K 0.90 1.00
L 0.25 0.40
M 0.10 0.22
α 0° 8°
All Dimensions in mm
SOT-353
Dim Min Max
A 0.10 0.30
B 1.15 1.35
C 2.00 2.20
D 0.65 Typ
F 0.40 0.45
H 1.80 2.20
J 0 0.10
K 0.90 1.00
L 0.25 0.40
M 0.10 0.22
α 0° 8°
All Dimensions in mm
A
M
JL
D
B C
H
K
F
A
M
JL
D
B C
H
K
F
MMBD4448HCQW /AQW
/ADW /CDW /SDW /TW
Document number: DS30153 Rev. 18 - 2
4 of 4
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© Diodes Incorporated
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Suggested Pad Layout
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein 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 Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated p roducts for any unintended or una uthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign p atents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their pro ducts and an y
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2012, Diodes Incorporated
www.diodes.com
SOT-363
Dimensions Value (in mm)
Z 2.5
G 1.3
X 0.42
Y 0.6
C1 1.9
C2 0.65
SOT-353
Dimensions Value (in mm)
Z 2.5
G 1.3
X 0.42
Y 0.6
C1 1.9
C2 0.65
X
Z
Y
C1
C2C2
G
X
Z
Y
C1
C2
C2
G
