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| SMD Switching Diode COMCHIP www.comchip.com.tw CDSU4148 High Speed (Lead-free Device) Features Designed for mounting on small surface. Extremely thin/leadless package. High mounting capability, strong surge withstand, high reliability. 0.039(1.00) 0.031(0.80) 0603(1608) 0.071(1.80) 0.063(1.60) Mechanical data Case: 0603 (1608) standard package, molded plastic. 0.033 (0.85) 0.027 (0.70) Terminals: Gold plated, solderable per MIL-STD-750, method 2026. Polarity: Indicated by cathode band. 0.010(0.25) Typ. 0.012 (0.30) Typ. Mounting position: Any. 0.014(0.35) Typ. Weight: 0.003 gram (approximately) Dimensions in inches and (millimeter) Maximum Rating ( at T A = 25 C unless otherwise noted ) Parameter Repetitive peak reverse voltage Reverse voltage Average forward current Forward current , surge peak Power Dissipation Storage temperature Junction temperature tp=1uS tp=1mS PD TSTG Tj -40 -40 Conditions Symbol Min Typ Max Unit VRRM VR IO 4 IFSM 1 150 +125 +125 mW C C A 100 75 150 V V mA Electrical Characteristics ( at T A = 25 C unless otherwise noted ) Parameter Forward voltage Reverse current Capacitance between terminals Reverse recovery time VR = 20 V VR = 75 V f = 1MHz, and 0 VDC reverse voltage IF = IR = 10 mA, RL =100 ohms, irr= 1mA Conditions I F = 50 mA D C Symbol Min Typ Max Unit VF IR CT Trr 1.0 25 2.5 4 4 V nA uA pF nS RDS0301003-B SMD Switching Diode COMCHIP www.comchip.com.tw RATING AND CHARACTERISTIC CURVES (CDSU4148) Fig. 1 - Forward characteristics 1000 10u Fig. 2 - Reverse characteristics 125 C Forward current (mA ) 100 Reverse current ( A ) 1u 10 100n 75 C 1 C C 10n 25 C 1n 125 C 25 75 0.1 -25 C 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.1n 0 10 20 30 -25 C 40 50 60 70 80 90 100 Forward voltage (V) Reverse voltage (V) Fig. 3 - Capacitance between terminals characteristics Capacitance between terminals : (pF) 5.0 Fig. 4 - Current derating curve Average forward current ( % ) f=1MHz Ta = 25 C 4.0 Mounting on glass epoxy PCBs 100 80 3.0 60 2.0 40 1.0 20 0 0 5 10 15 20 25 30 35 0 0 25 50 75 100 125 150 Reverse voltage : (V) Ambient temperature ( C) RDS0301003-B |
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