Diodes MMBD4448DW User Manual
Features
• Fast Switching Speed
• Surface Mount Package Ideally Suited for Automated Insertion
• For General Purpose Switching Applications
• High Conductance
• Miniature Package
• Lead Free/RoHS Compliant (Note 1)
• Qualified to AEC-Q101 Standards for High Reliability
• "Green" Device (Notes 2 and 3)
SOT-363
Top View
MMBD4448DW
SURFACE MOUNT SWITCHING DIODE
Mechanical Data
• Case: SOT-363
• 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
• Polarity: See Diagram
• Weight: 0.006 grams (approximate)
NC
C
A
Internal Schematic
1
NC
1
Top View
A
2
C
2
Ordering Information (Note 4)
Part Number Case Packaging
MMBD4448DW-7-F SOT-363 3000/Tape & Reel
Notes: 1. No purposefully added lead.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com.
3. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
4. For packaging details, go to our website at http://www.diodes.com.
Marking Information
KA3 YM
KA3 YM
Date Code Key
Year 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Code 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
KA3 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
MMBD4448DW
Document number: DS31035 Rev. 12 - 2
1 of 4
www.diodes.com
February 2011
© Diodes Incorporated
)
θ
(BR)
r
P
P
O
R
PATIO
N
TANT
O
US FORWAR
CUR
R
T
MMBD4448DW
Maximum Ratings @T
= 25°C unless otherwise specified
A
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 5)
Average Rectified Output Current (Note 5)
Non-Repetitive Peak Forward Surge Current @ t < 1μs
@ t < 1s
V
V
V
R(RMS
V
RM
RRM
RWM
V
I
FM
I
I
FSM
R
O
100 V
75 V
53 V
500 mA
250 mA
4
1
A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 5)
Thermal Resistance Junction to Ambient Air (Note 5)
Operating and Storage Temperature Range
P
R
T
J, TSTG
D
JA
Electrical Characteristics @T
= 25°C unless otherwise specified
A
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 6)
Forward Voltage
V
R
V
F
75
0.62
⎯
⎯
⎯
⎯
0.720
0.855
1.0
1.25
2.5
Reverse Current (Note 6)
I
R
⎯
50
30
25
Total Capacitance
Reverse Recovery Time
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.
C
T
t
rr
250
⎯
⎯
1,000
4.0 pF
4.0 ns
(mA)
200
(mW)
EN
100
200 mW
625 °C/W
-65 to +150 °C
V
IR = 10μA
I
= 5.0mA
F
I
= 10mA
F
V
μA
μA
μA
nA
= 50mA
I
F
I
= 150mA
F
V
= 75V
R
= 75V, TJ = 150°C
V
R
V
= 25V, TJ = 150°C
R
= 20V
V
R
VR = 0, f = 1.0MHz
= IR = 10mA,
I
F
= 0.1 x IR, RL = 100Ω
I
r
150
D
DISSI
10
100
WE
,
D
50
0
0
T , AMBIENT TEMPERATURE ( C)
A
8040 160 200
120
Fig. 1 Power Derating Curve, Total Package (Note 5)
°
1
ANE
F
0.1
I , INS
0
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 2 Typical Forward Characteristics, Per Element
1.20.4 0.8
1.6
MMBD4448DW
Document number: DS31035 Rev. 12 - 2
2 of 4
www.diodes.com
February 2011
© Diodes Incorporated
Loading...