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  Datasheet File OCR Text:
 WTE
POWER SEMICONDUCTORS
MMBD4448W
SURFACE MOUNT FAST SWITCHING DIODE
Features
! ! ! High Conductance A L Fast Switching Surface Mount Package Ideally Suited for Automatic Insertion ! For General Purpose and Switching B ! Plastic Material - UL Recognition Flammability Classification 94V-O
TOP VIEW
C M
E H
D
Dim A B C D E G H J K L M SOT-323 Min Max 0.30 0.40 1.15 1.35 2.00 2.20 0.65 Nominal 0.30 0.40 1.20 1.40 1.80 2.20 -- 0.10 0.90 1.10 0.25 -- 0.05 0.15
Mechanical Data
! ! ! ! ! ! Case: SOT-323, Molded Plastic Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Weight: 0.006 grams (approx.) Mounting Position: Any Marking: A3 K J G
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 Forward Continuous Current (Note 1) Average Rectified Output Current (Note 1) Peak Forward Surge Current (Note 1) Power Dissipation (Note 1) Typical Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range @ t < 1.0s Symbol VRM VRRM VRWM VR IF IO IFSM Pd RJA Tj, TSTG Value 100 75 500 250 4.0 200 625 -65 to +150 Unit V V mA mA A mW C/W C
Electrical Characteristics @TA=25C unless otherwise specified
Characteristic Forward Voltage Reverse Leakage Current Junction Capacitance Reverse Recovery Time Symbol VF IR Cj trr Min -- -- -- -- Max 0.72 1.0 2.5 4.0 4.0 Unit V A pF nS Test Condition @ IF = 5mA @ IF = 100mA @ VR = 75V VR = 0V, f = 1.0MHz IF = IR = 10mA, IRR = 0.1 x IR, RL = 100
Note: 1. Device mounted on fiberglass substrate 40 x 40 x 1.5mm.
MMBD4448W
1 of 3
(c) 2002 Won-Top Electronics
IF, INSTANTANEOUS FORWARD CURRENT (mA)
1000
10,000
IR, LEAKAGE CURRENT (nA)
100
1000
10
100
1.0
0.1
10
VR = 20V
0.01 0 1 2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics
1
0
100
200
Tj, JUNCTION TEMPERATURE (C) Fig. 2 Leakage Current vs Junction Temperature
MMBD4448W
2 of 3
(c) 2002 Won-Top Electronics
ORDERING INFORMATION
Product No.!
MMBD4448W-T1 MMBD4448W-T3
Package Type
SOT-323 SOT-323
Shipping Quantity
3000/Tape & Reel 10000/Tape & Reel
Products listed in bold are WTE Preferred devices. ! T1 suffix refers to a 7" reel. T3 suffix refers to a 13" reel. Shipping quantity given is for minimum packing quantity only. For minimum order quantity, please consult the Sales Department.
RECOMMENDED FOOTPRINT
0.035 (0.90)
0.075 (1.90)
0.035 (0.90)
0.028 (0.70)
0.025 (0.64)
inches(mm)
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein without further notice. WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd. No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan Phone: 886-7-822-5408 or 886-7-822-5410 Fax: 886-7-822-5417 Email: sales@wontop.com Internet: http://www.wontop.com
We power your everyday.
MMBD4448W
3 of 3
(c) 2002 Won-Top Electronics


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