SMD Switching Diode CDSF4448-HF I o = 125 mA V R = 80 Volts RoHS Device Halogen Free 1005/SOD-323F Features - Fast switching speed - Designed for mounting on small surface. - Extremely thin/leadless package. 0.102(2.60) 0.095(2.40) 0.051(1.30) 0.043(1.10) Mechanical data - Case: 1005/SOD-323F standard package, molded plastic. - Terminals: Gold plated, Solderable per MIL-STD-750,method 2026. - Polarity: Indicated by cathode band. - Mounting position: Any. - Weight: 0.006 grams(approx.). 0.035(0.90) 0.027(0.70) 0.024(0.60) 0.016(0.40) 0.014(0.35) 0.011(0.28) 0.041(1.05) 0.037(0.95) Circuit diagram Dimensions in inches and (millimeter) Maximum Rating (at T =25 ºC unless otherwise noted) A Symbol Typ Max Unit V RRM 100 V Reverse voltage VR 80 V Average forward rectified current IO 125 mA I FSM 1 A PD 330 mW RΘJA 300 °C/W Parameter Conditions Repetitive peak reverse voltage Forward current, surge peak 8.3 ms single half sine-wave superimposed on rate load (JEDEC method) Power dissipation Thermal resistance Junction to ambient Operating temperature range Storage temperature range Min Tj -40 +125 °C T STG -40 +125 °C Symbol Min Max Unit Electrical Characteristics (at T =25 ºC unless otherwise noted) A Parameter Conditions Typ Forward voltage IF = 5 mA IF = 100 mA VF 0.72 1 V Reverse current VR = 30V VR = 80V IR 25 100 nA Capacitance between terminals f = 1MHz, and 0.5 VDC reverse voltage CT 9 pF Reverse recovery time I F = I R = 10 mA, I rr = 0.1 X I R , R L =100 ohm T rr 9 nS Company reserves the right to improve product design , functions and reliability without notice. QW-G0033 REV:A Page 1 SMD Switching Diode RATING AND CHARACTERISTIC CURVES (CDSF4448-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 10u O Reverse Current, ( A ) 100 10 C O O 25 1u O 75 C 100n 10n O 25 C 1n -25 75 O C O C 0.1 C 1 125 Forward Current, (mA ) 125 C O -25 C 0.1n 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 10 20 Forward Voltage, (V) 40 50 60 70 80 90 100 Reverse Voltage, (V) Fig.3 - Capacitance Between Terminals Characteristics Fig.4 - Current Derating Curve 5.0 f=1MHz O T A =25 C Average Forward Current, ( % ) Capacitance Between Terminals,(pF) 30 4.0 3.0 2.0 1.0 Mounting on glass epoxy PCBs 100 80 60 40 20 0 0 0 5 10 15 20 25 Reverse Voltage, (V) 30 35 0 25 50 Company reserves the right to improve product design , functions and reliability without notice. QW-G0033 75 100 125 150 Ambient Temperature, ( °C) REV:A 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) 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 ± 1.0 60.0 MIN. 13.00 ± 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 ± 0.002 0.009 ± 0.002 0.315 ± 0.008 0.531 MAX. Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 3 QW-G0033 Comchip Technology CO., LTD. SMD Switching Diode Marking Code Part Number Marking Code CDSF4448-HF S5 S5 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) 4,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 4 QW-G0033 Comchip Technology CO., LTD.