SMD Switching Diode SMD Diodes Specialist CDSF4148-HF(RoHS Device) High Speed Features Halogen free. 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) Use in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ICs, MOSFET, signal lines of sensor units for consumer, computer, industrial, automotive and telecommunication. 0.035(0.90) 0.027(0.70) Mechanical data 0.020(0.50) Typ. Case: 1005(2512) standard package, molded plastic. 0.012 (0.30) Typ. Terminals: Gold plated, solderable per MIL-STD-750,method 2026. 0.040(1.00) Typ. Polarity: Indicated by cathode band. Dimensions in inches and (millimeter) Mounting position: Any Weight: 0.006 gram(approx.). Maximum Rating (at T A =25 C unless otherwise noted) O Parameter Conditions Symbol Min Typ Max Unit Reverse voltage V RRM 100 V Reverse voltage VR 75 V Average forward current IO 150 mA Forward current,surge peak T P = 1uS T P = 1mS 4 1 I FSM Repetitive peak forward current A I FRM 300 mA PD 350 mW Thermal resistance junction to ambient air R θJA 286 °C/W Storage temperature T STG Junction temperature Tj Power dissipation -40 +125 O +125 O C C Electrical Characteristics (at T A =25 C unless otherwise noted) O Parameter Conditions Symbol Min Typ Max Unit Reverse breakdown voltage I R = 100 uA 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 = 1 MH Z ,and 0VDC reverse voltage CT 4 PF Reverse recovery time I F = I R = 10 mA, R L =100 ohms, I rr = 1mA T rr 4 nS V BR 75 V REV:B QW-G0003 Comchip Technology CO., LTD. Page 1 SMD Switching Diode SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CDSF4148-HF) 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 30 35 0 Reverse voltage : (V) 25 50 75 100 125 150 Ambient temperature ( C) REV:B QW-G0003 Comchip Technology CO., LTD. Page 2 SMD Switching Diode SMD Diodes Specialist Reel Taping Specification d P0 P1 T E Index hole F W B Polarity P C A 12 o 0 D2 D1 D W1 Trailer ....... ....... End Device ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed F/1005 F/1005 SYMBOL A B C d D D1 D2 (mm) 1.55 ± 0.10 2.65 ± 0.10 1.05 ± 0.10 1.55 ± 0.05 178 ± 1 60.0 MIN. 13.0 ± 0.20 (inch) 0.061 ± 0.004 0.104 ± 0.004 0.041 ± 0.004 0.061 ± 0.002 7.008 ± 0.04 2.362 MIN. 0.512 ± 0.008 SYMBOL E F P P0 P1 T W W1 (mm) 1.75 ± 0.10 3.50 ± 0.05 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.05 0.23 ± 0.05 8.00 ± 0.20 13.5 MAX. (inch) 0.069 ± 0.004 0.138 ± 0.002 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.009 ± 0.002 0.315 ± 0.008 0.531 MAX. REV:B QW-G0003 Comchip Technology CO., LTD. Page 3 SMD Switching Diode SMD Diodes Specialist Suggested PAD Layout F/1005 SIZE A (mm) (inch) 2.10 0.083 D A B 1.20 0.047 C 1.20 0.047 E C D 3.30 0.130 E 0.90 0.035 B Standard Package Qty per Reel Reel Size (Pcs) (inch) 4000 7 Case Type F/1005 REV:B QW-G0003 Comchip Technology CO., LTD. Page 4