COMCHIP SMD Switching Diode SMD Diodes Specialist CDSF4148-B03 (Lead-free Device) High Speed Features Designed for mounting on small surface. 1005(2512) Extremely thin/leadless package. 0.102(2.60) 0.095(2.40) High mounting capability, strong surge withstand, high reliability. 0.051(1.30) 0.043(1.10) Mechanical data Case: 1005 (2512) standard package, molded plastic. 0.035(0.90) 0.027(0.70) Terminals: Gold plated, solderable per MIL-STD-750, method 2026. 0.020(0.50) Typ. Polarity: Indicated by cathode band. 0.012 (0.30) Typ. Mounting position: Any. 0.020(0.50) Typ. Weight: 0.006 gram (approximately) Dimensions in inches and (millimeter) Maximum Rating ( at T A = 25 C unless otherwise noted ) Parameter Conditions Repetitive peak reverse voltage Symbol Min Typ Max Unit V RRM 100 V Reverse voltage VR 75 V Average forward current IO 150 mA tp=1uS 4 Forward current , surge peak I FSM A tp=1mS 1 Repetitive peak forward current I FRM 300 mA Power Dissipation PD 350 mW Storage temperature T STG -40 +125 C Junction temperature Tj -40 +125 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 4 pF Reverse recovery time I F = I R = 10 mA, R L =100 ohms, irr = 1mA Trr 4 nS REV:A QW-A8011 Page 1 COMCHIP SMD Switching Diode SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CDSF4148-B03) Fig. 1 - Forward characteristics Fig. 2 - Reverse characteristics 1000 10u Reverse current ( A ) 10 C C C -25 0.1 25 125 C 1 75 Forward current (mA ) 125 C 100 1u 75 C 100n 10n 25 C 1n -25 C 0.1n 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 10 20 40 50 60 70 80 90 100 Reverse voltage (V) Forward voltage (V) Fig. 3 - Capacitance between terminals characteristics Fig. 4 - Current derating curve 5.0 f=1MHz Ta = 25 C Mounting on glass epoxy PCBs Average forward current ( % ) Capacitance between terminals : (pF) 30 4.0 3.0 2.0 1.0 100 80 60 40 20 0 0 0 5 10 15 20 25 Reverse voltage : (V) 30 35 0 25 50 75 100 125 150 Ambient temperature ( C) REV:A QW-A8011 Page 2