SMD Switching Diode FormosaMS www.formosams.com CDSN4148 High Speed Features Designed for mounting on small surface. High speed switching. 1206(3216) High mounting capability, strong surge withstand, high reliability. 0.126(3.20) 0.118(3.00) 0.020(0.50) Typ Mechanical data 0.010(R0.25) Typ. 0.063 (1.60) 0.055(1.40) Case: 1206(3216) standard package, molded plastic. Terminals: Solder plated, solderable per MIL-STD-750, method 2026. Polarity: Indicated by cathode band. 0.043 (1.10) 0.035(0.90) Mounting position: Any. Weight: 0.0085 gram. (approximately) Dimensions in inches and (millimeter) Maximum Rating ( at T A = 25 C unless otherwise noted ) Parameter Conditions Symbol Min Typ Max Unit V RRM 100 V Reverse voltage VR 75 V Average forward current Io 150 mA Repetitive peak reverse voltage Forward current , surge peak Tp = 1us Tp = 1s 4 1 I FSM PD Power Dissipation A 350 mW Storage temperature T STG -55 +175 C Junction temperature Tj -55 +175 C Electrical Characteristics ( at T A = 25 C unless otherwise noted ) Conditions Parameter Symbol Min Typ Max Unit Forward voltage I F = 50 mA DC VF 1.0 V Reverse current V R = 20 V V R = 75 V IR 25 2.5 nA uA Capacitance between terminals f = 1MHz, and 0 VDC reverse voltage CT 3 pF Reverse recovery time V R = 6V, I F = 10 mA, R L =50 ohms Trr 4 nS SMD Switching Diode FormosaMS www.formosams.com RATING AND CHARACTERISTIC CURVES (CDSN4148) Fig. 1 - Forward characteristics Fig. 2 - Reverse characteristics 1000 100u Reverse current ( A ) C -2 5 10 25 C 100 125 C 75 C Forward current ( mA ) 150 C 10u 125 C 1u 75 C 100n 25 C 1 10n 0 0.2 0.4 0.6 0.8 1.0 1.2 0 10 Forward voltage (V) 20 30 40 50 60 70 80 Reverse voltage (V) Fig. 3 - Capacitance between terminals characteristics Fig. 4 - Current derating curve Average forward current ( % ) Capacitance between terminals (pF) 5.0 f = 1 MHz Ta = 25 C 4.0 3.0 2.0 1.0 0 Mounting on glass epoxy PCBs 100 80 60 40 20 0 0 2 4 6 8 10 Reverse voltage (V) 12 14 0 25 50 75 100 125 150 175 Ambient temperature ( C ) 200