SMD Switching Diode CDSF4148S-HF RoHS Device Halogen Free Features 1005/SOD-323F - High Speed. - Designed for mounting on small surface. - Extremely thin/leadless package. - High mounting capability, strong surge withstand, high reliability. - 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. 0.102(2.60) 0.095(2.40) 0.051(1.30) 0.043(1.10) 0.035(0.90) 0.027(0.70) Mechanical data 0.020(0.50) Typ. - Case: 1005/SOD-323F standard package, molded plastic. 0.012 (0.30) Typ. - Terminals: Gold plated, solderable per MIL-STD-750,method 2026. - Polarity: Indicated by cathode band. 0.040(1.00) Typ. 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 100 V Average forward current IO 150 mA Forward current,surge peak 8.3 ms single half sine-wave superimposed on rate load ( JEDEC method) Repetitive peak forward current I FSM 1.5 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 -55 +150 O +150 O C C Electrical Characteristics (at T A =25 C unless otherwise noted) O Parameter Conditions Symbol Min Typ Max Unit Forward voltage I F = 100 mA 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 3 PF Reverse recovery time I F = I R = 10 mA, R L =100 ohms, I rr = 1mA T rr 4 nS Company reserves the right to improve product design , functions and reliability without notice. QW-G0022 Comchip Technology CO., LTD. REV:A Page 1 SMD Switching Diode RATING AND CHARACTERISTIC CURVES (CDSF4148S-HF) Fig. 1 - Forward characteristics Fig. 2 - Reverse characteristics 100 Reverse current, (μA) Forward current, (mA ) 1000 100 150°C 10 125°C 100°C 1 75°C 10 150°C 125°C 1 100°C 75°C 0.1 50°C 25°C 0.01 25°C 0.001 0.1 0 0.2 0.4 0.6 0.8 1.0 30 0 Forward voltage, (V) 90 120 150 Reverse voltage, (V) Fig. 3 - Capacitance between terminals characteristics Fig. 4 - Current derating curve 1.0 f=1MHz T A =25°C Average forward current, ( % ) Capacitance between terminals,(pF) 60 0.8 0.6 0.4 0.2 Mounting on glass epoxy PCBs 100 80 60 40 20 0 0 0 10 20 30 40 0 Reverse voltage, (V) 25 50 75 100 125 150 Ambient temperature, ( °C) REV:A QW-G0022 Comchip Technology CO., LTD. Page 2 SMD Switching Diode Reel Taping Specification d P0 P1 T E Index hole F W B P C A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... 10 pitches (min) ....... ....... Start 10 pitches (min) Direction of Feed 1005 (SOD-323F) 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 7.008 ± 0.04 2.362 MIN. 0.512 ± 0.008 (inch) 1005 (SOD-323F) 0.061 ± 0.004 0.104 ± 0.004 0.041 ± 0.004 0.061 ± 0.002 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:A QW-G0022 Comchip Technology CO., LTD. Page 3 SMD Switching Diode Suggested PAD Layout 1005/SOD-323F SIZE (mm) (inch) A 2.10 0.083 B 1.20 0.047 C 1.20 0.047 D 3.30 0.130 E 0.90 0.035 D A E C B Standard Packaging Case Type 1005/SOD-323F Qty Per Reel Reel Size (Pcs) (inch) 4000 7 REV:A QW-G0022 Comchip Technology CO., LTD. Page 4