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| SMD Switching Diode COMCHIP www.comchip.com.tw CDSN4148 High Speed Features Designed for mounting on small surface. High speed switching. High mounting capability, strong surge withstand, high reliability. 1206(3216) 0.126(3.20) 0.118(3.00) 0.020(0.50) Typ Mechanical data 0.010(R0.25) Typ. Case: 1206(3216) standard package, molded plastic. Terminals: Solder plated, solderable per MIL-STD-750, method 2026. Polarity: Indicated by cathode band. Mounting position: Any. Weight: 0.0085 gram. (approximately) 0.063 (1.60) 0.055(1.40) 0.043 (1.10) 0.035(0.90) 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 = 1s Conditions Symbol Min Typ Max Unit VRRM VR Io IFSM PD TSTG Tj -55 -55 4 1 350 +175 +175 100 75 150 V V mA A mW C C 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 VR = 6V, IF = 10 mA, RL =50 ohms Conditions I F = 50 mA DC Symbol Min Typ Max Unit VF IR CT Trr 1.0 25 2.5 3 4 V nA uA pF nS RDS0208002-C Page 1 SMD Switching Diode COMCHIP www.comchip.com.tw RATING AND CHARACTERISTIC CURVES (CDSN4148) Fig. 1 - Forward characteristics 1000 100u Fig. 2 - Reverse characteristics 150 C Forward current ( mA ) Reverse current ( A ) 10u 100 125 C 1u 125 C 75 C 25 C 10 -2 5 C 75 C 100n 25 C 1 0 0.2 0.4 0.6 0.8 1.0 1.2 10n 0 10 20 30 40 50 60 70 80 Forward voltage (V) Reverse voltage (V) Fig. 3 - Capacitance between terminals characteristics 5.0 Fig. 4 - Current derating curve Capacitance between terminals (pF) 4.0 f = 1 MHz Ta = 25 C Average forward current ( % ) Mounting on glass epoxy PCBs 100 3.0 80 60 2.0 40 1.0 20 0 0 2 4 6 8 10 12 14 0 0 25 50 75 100 125 150 175 200 Reverse voltage (V) Ambient temperature ( C ) RDS0208002-C Page 2 |
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