ZOWIE Schottky Barrier Diode (20V~40V / 500mA) USCD052H THRU USCD054H OUTLINE DIMENSIONS FEATURES Case : 0603 Halogen-free type Compliance to RoHS product Lead less chip form, no lead damage Low power loss, High efficiency High current capability, low VF Plastic package has Underwriters Laboratory Flammability Classification 94V-0 APPLICATION Mounting Pad Layout MECHANICAL DATA 0.80 0.35 ± 0.05 MIN. 0.70 Typ. 0.35 ± 0.05 Switching mode power supply applications Portable equipment battery applications High frequency rectification DC / DC Converter Telecommunication 1.10 MAX. 20 R 0. 0.60 MIN. 2.30 REF. 0.03 + 0.2 0.60 - 0.1 * * * * * Unit : mm 1.6 ± 0.1 0.90 ± 0.1 * * * * * * Equivalent : SOD-523 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 MARKING 2B . PACKING Voltage class: 2 = 20V, 3 = 30V, 4 = 40V * 3,000 pieces per 7" (178mm ± 2mm) reel * 5 reels per box * 6 boxes per carton o Absolute Maximum Ratings (Ta = 25 C) Rating ITEM Symbol Repetitive peak reverse voltage VRRM Average forward current IF(AV) Peak forward surge current IFSM Junction temperature Conditions USCD052H USCD053H USCD054H 30 40 20 8.3ms single half sine-wave Unit V 500 mA 5.0 A Tj 125 Operating temperature range Topr -40 to +125 Storage temperature range TSTG -40 to +125 o C o Electrical characteristics (Ta = 25 C) ITEM Forward voltage Repetitive peak reverse current Junction capacitance Symbol Min. Typ. Max. Unit IF = 500mA - 0.47 0.50 V VR = @ 20V , Ta = 25 oC - - 50 uA VR = 4V, f = 1.0 MHz - 35 - pF Rth(JA) Junction to ambient - 160 - o C/W Rth(JL) Junction to lead - 110 - o C/W VF IRRM Cj Conditions Thermal resistance REV. 2 2013/05 ZOWIE USCD052H THRU USCD054H FIG. 1 - TYPICAL FORWARD CURRENT (20V~40V / 500mA) FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT DERATING CURVE 0.6 6 8.3ms Single Half Sine-Wave (JEDEC Method) PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, (A) 0.5 0.4 0.3 0.2 0.1 0 5 4 3 2 1 0 0 25 50 75 100 125 1 150 10 100 NUMBER OF CYCLES AT 60Hz o LEAD TEMPERATURE, ( C) FIG.4 - TYPICAL REVERSE CHARACTERISTICS FIG. 3 - FORWARD CHARACTERISTICS 10 10m o Ta=125 C 1m REVERSE CURRENT, (A) FORWARD CURRENT, (A) 1.00 0.10 o Ta=25 C 0.01 o Ta=75 C 100u o Ta=25 C 10u 1u .001 0.0 0.1 0.2 0.3 0.4 0.5 0.1u 0 0.6 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE,% FORWARD VOLTAGE, (V) FIG. 5 - TYPICAL JUNCTION CAPACITANCE JUCTION CAPACITANCE (pF) 1000 100 10 1 0 10 20 30 40 REVERSE VOLTAGE, (V) REV. 2 2013/05