UMMD034

UMMD032 THRU UMMD034 Elektronische Bauelemente VOLTAGE 20 V ~ 40 V 0.3 A Surface Mount Schottky Barrier Rectifiers RoHS Compliant Product A suffix of “-C” specifies halogen & lead-free 0603 FEATURES Lead less chip form, no lead damage Lead-free solder joint, no wire bond & lead frame Low power loss, High efficiency High current capability, low VF Plastic package has Underwriters Laboratory Flammability Classification 94V-0 B C A G F Cathode Band APPLICATION Switching mode power supply applications Portable equipment battery applications General rectification DC / DC converter Telecommunication E E D Millimeter Min. Max. 1.50 1.70 0.80 1.00 0.70 TYP. 0.50 0.80 Millimeter Min. Max. 0.30 0.40 R 0.20 0.05 REF. REF. A B C D REF. E F G MECHANICAL DATA Case: Packed with FRP substrate and epoxy underfilled Terminals: Pure tin-plated (lead-free), solderable per MIL-STD-750, method 2026. Polarity: Laser cathode band marking Weight : 0.003 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TA = 25°C) TYPE NUMBER Peak Repetitive Peak reverse voltage Maximum Average Forward Current (See Fig. 1) Peak Forward Current @ 8.3 ms half sine-wave Maximum Forward Voltage (Note 1) IF = 0.3 A Typical Forward Voltage (Note 1) IF = 0.1 A IF = 0.2 A IF = 0.3 A Maximum Repetitive Peak Reverse Current (Note 1) At VR = 10V. TA = 25 °C Typical Repetitive Peak Reverse Current (Note 1) At VR = Max. VRRM, TA = 25 °C Typical Thermal Resistance – Junction to Ambient (Note 2) Typical Thermal Resistance – Junction to Lead (Note 2) Junction Capacitance Operating Temperature Range Storage temperature NOTES: 1. Pulse test width PW = 300 μsec, 1% duty cycle. 2. Mounted on P.C. board with 0.2 x 0.2” (5.0 x 5.0 mm) copper pad areas. SYMBOL VRRM IF(AV) IFSM VF UMMD032 20 0.3 2.0 0.50 0.38 0.43 0.47 20 UMMD034 40 UNITS V A A V V IRRM 50 RθJA RθJL CJ TJ TSTG 160 110 35 -55 ~ + 125 -65 ~ + 150 uA °C / W pF °C °C http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually. 05-May-2007 Rev. A Page 1 of 2 UMMD032 THRU UMMD034 Elektronische Bauelemente VOLTAGE 20 V ~ 40 V 0.3 A Surface Mount Schottky Barrier Rectifiers RATINGS AND CHARACTERISTIC CURVES FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 0.4 2.5 8.3ms Single Half Sine-Wave (JEDEC Method) FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, (A) 0 25 50 75 100 o AVERAGE FORWARD CURRENT, (A) 2.0 0.3 1.5 0.2 1.0 0.1 0.5 0 125 150 0 1 10 NUMBER OF CYCLES AT 60Hz 100 LEAD TEMPERATURE, ( C) FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 1000 IINSTANTANEOUS FORWARD CURRENT, (mA) 1000 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES FIG.4 - TYPICAL REVERSE CHARACTERISTICS 100 TJ=100 C o 100 10 TJ=25 C o 10 1.0 1 Ta=25 C o 0.10 0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.01 0 10 20 30 40 FORWARD VOLTAGE, (V) PERCENT OF RATED PEAK REVERSE VOLTAGE VR (V) FIG. 5 - TYPICAL JUNCTION CAPACITANCE 1000 JUCTION CAPACITANCE (pF) 100 10 1 0 5 10 15 20 REVERSE VOLTAGE, (V) http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually. 05-May-2007 Rev. A Page 2 of 2