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| SEMICONDUCTOR TECHNICAL DATA SWITCHING TYPE POWER SUPPLY APPLICATIONS. FEATURES Low Profile Surface Mount Package. Low Power Loss, High Efficiency. For Use in Low Voltage, High Frequency inverters, Free Wheeling, and Polarity Protection Applications. 2 SMAB34 SCHOTTKY BARRIER TYPE DIODE H A D APPLICATION Switching Power Supply. DC/DC Converter. Home Appliances, Office Equipment. Telecommunication. 1 C B G 1. ANODE DIM A B C D E F G H MILLIMETERS _ 4.5 + 0.2 _ 2.6 + 0.2 _ 1.5 + 0.2 _ 5.0 + 0.3 _ 1.2 + 0.3 _ 2.0 + 0.2 0 ~ 0.15 R 0.5 MAXIMUM RATING (Ta=25 CHARACTERISTIC ) SYMBOL VRRM IO IFSM Tj Tstg RATING 40 3 70 -40 125 -40 125 UNIT V A A 2. CATHODE Maximum Repetitive Peak Reverse Voltage Average Output Rectitifed Current Peak One Cycle Surge Forward Current (Non-Repetitive 60Hz) Junction Temperature Storage Temperature Range Marking F SMA Type Name B34 Lot No. ELECTRICAL CHARACTERISTICS (Ta=25 CHARACTERISTIC Peak Forward Voltage Repetitive Peak Reverse Current Thermal Resistance VFM IRRM Rth(j-1) Rth(j-a) ) TEST CONDITION IFM=3.0A VRRM=Rated Junction to lead Junction to ambient (on alumina substrate) MIN. TYP. MAX. 0.52 2.0 23 108 /W UNIT V mA SYMBOL 2002. 3. 7 Revision No : 3 E E 1/2 SMAB34 AVERAGE FORWARD POWER DISSIPATION P F(AV) (W) I F - VF 10 FORWARD CURRENT I F (A) 5 3 T j =125 C 25 C P F(AV) - I F(AV) 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 0.6 1.2 1.8 2.4 180 360 1 0.5 0.3 RECTANGULAR WAVEFORM 0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 3.0 3.6 FORWARD VOLTAGE V F (V) AVERAGE FORWARD CURRENT I F(AV) (A) MAXIMUM ALLOWABLE TEMPERATURE Ta MAX ( C) SURGE FORWARD CURRENT (NON - REPETITIVE) PEAK SURGE FORWARD CURRENT I FSM (A) 80 Ta=25 C f=60Hz Ta 140 120 100 - I F(AV) RECTANGULAR WAVEFORM 60 180 80 60 40 20 0 0 0.6 1.2 1.8 2.4 360 40 20 0 1 10 NUMBER OF CYCLES AT 60Hz 100 3.0 3.6 AVERAGE FORWARD CURRENT I F(AV) (A) 2002. 3. 7 Revision No : 3 2/2 |
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