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SPICE MODEL: MMBD4448HW
MMBD4448HW
Lead-free Green
SURFACE MOUNT SWITCHING DIODE
Features
* * * * * * * * * * * * * *
Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance Lead Free/RoHS Compliant (Note 3) "Green" Device (Note 4 and 5)
G H K M BC A
SOT-323 Dim A B C D E G H J K L M a Min 0.25 1.15 2.00 0.30 1.20 1.80 0.0 0.90 0.25 0.10 0 Max 0.40 1.35 2.20 0.40 1.40 2.20 0.10 1.00 0.40 0.18 8
Mechanical Data
Case: SOT-323 Case Material: Molded Plastic, "Green" Molding Compound, Note 5. 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). Polarity: See Diagram Marking: KA1 (See Page 2) Weight: 0.006 grams (approximate)
0.65 Nominal
J
D
F
L
TOP VIEW
All Dimensions in mm
Maximum Ratings @ TA = 25C 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 Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Symbol VRM VRRM VRWM VR VR(RMS) IFM IO IFSM Pd RqJA Tj , TSTG 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
Electrical Characteristics
Characteristic Reverse Breakdown Voltage (Note 2) Forward Voltage
@ TA = 25C unless otherwise specified Symbol V(BR)R VF Min 80 0.62 3/4 3/4 3/4 3/4 3/4 3/4 Max 3/4 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 IR = 2.5mA IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA VR = 70V VR = 75V, Tj = 150C VR = 25V, Tj = 150C VR = 20V VR = 6V, f = 1.0MHz VR = 6V, IF = 5mA
Peak Reverse Current (Note 2) Total Capacitance Reverse Recovery Time
IR CT trr
Notes: 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. Short duration test pulse used to minimize self-heating effect. 3. No purposefully added lead. 4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 5. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30228 Rev. 5 - 2
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MMBD4448HW
a Diodes Incorporated
IF, INSTANTANEOUS FORWARD CURRENT (mA)
IR, INSTANTANEOUS REVERSE CURRENT (nA)
1000
10000
TA = 125C
1000
100
TA = 75C
100
10
TA = -40C TA = 0C
10
TA = 25C
1
TA = 25C TA = 75C TA = 125C
1
TA = 0C TA = -40C
0.1 0 0.4 0.8 1.2 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics
3
f = 1MHz
0.1 0 20 40 60 80 100 VR, REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics
250
2
Pd, POWER DISSIPATION (mW)
0 10 20 30 40 50
2.5
CT, TOTAL CAPACITANCE (pF)
200
150
1.5
100
1
0.5
50
0
0 0 40 80 120 160 200
VR, REVERSE VOLTAGE (V) Fig. 3 Typical Capacitance vs. Reverse Voltage
TA, AMBIENT TEMPERATURE (C) Fig. 4 Power Derating Curve, Total Package
Ordering Information (Note 5 & 6)
Device MMBD4448HW-7-F Packaging SOT-323 Shipping 3000/Tape & Reel
Notes: 5. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. 6. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
KA1
Date Code Key Year Code Month Code 2001 M Jan 1 2002 N Feb 2 2003 P March 3 2004 R Apr 4
KA1= Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September
YM
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
DS30228 Rev. 5 - 2
2 of 3 www.diodes.com
MMBD4448HW
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 President of Diodes Incorporated.
DS30228 Rev. 5 - 2
3 of 3 www.diodes.com
MMBD4448HW

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