CDSN4148

SMD Switching Diode COMCHIP www.comchip.com.tw C DSN4148 H igh Speed Features D esigned 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. C ase: 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 = 2 5 C unless otherwise noted ) P arameter Repetitive peak reverse voltage Reverse voltage Average forward current Forward current , surge peak Power Dissipation Storage temperature Junction temperature Tp = 1 us Tp = 1s C onditions Symbol M in Typ Max U nit V RRM VR Io I FSM PD T STG Tj - 55 -55 4 1 350 +175 +175 1 00 75 150 V V mA A mW C C Electrical Characteristics ( at T A = 2 5 C unless otherwise noted ) P arameter Forward voltage Reverse current Capacitance between terminals Reverse recovery time V R = 20 V V R = 75 V f = 1MHz, and 0 VDC reverse voltage V R = 6V, I F = 1 0 mA, R L = 50 ohms C onditions I F = 5 0 mA DC Symbol M in Typ M ax 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 1 000 100u F ig. 2 - Reverse characteristics 150 C Forward current ( mA ) R everse current ( A ) 10u 1 00 125 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) R everse voltage (V) Fig. 3 - Capacitance between terminals characteristics 5.0 Fig. 4 - Current derating curve C apacitance 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