SMD Switching Diode CDSF4148-HF RoHS Device Halogen Free 1005/SOD-323F Features - 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) 0.024(0.60) 0.016(0.40) 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.). 0.014(0.35) 0.011(0.28) 0.041(1.05) 0.037(0.95) Dimensions in inches and (millimeter) Circuit diagram Maximum Rating (at T =25 ºC unless otherwise noted) A Symbol Typ Max Unit V RRM 100 V Reverse voltage VR 75 V Average forward current IO 150 mA Parameter Conditions Repetitive peak reverse voltage Forward current, surge peak Tp=1uS Tp=1mS Min 4 1 I FSM Power dissipation A PD 350 mW Thermal resistance junction to ambient air R θJA 286 °C/W Operating temperature range Tj Storage temperature range -40 T STG -40 Symbol Min V BR 75 +125 O +125 O C C Electrical Characteristics (at T =25 ºC unless otherwise noted) A Parameter Conditions Typ Max Unit Reverse breakdown voltage IR = 100 uA Forward voltage IF = 50 mA DC VF 1.0 V Reverse current VR = 20V VR = 75V 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, I rr = 1mA T rr 4 nS Company reserves the right to improve product design , functions and reliability without notice. QW-G0003 Comchip Technology CO., LTD. V REV:C Page 1 SMD Switching Diode RATING AND CHARACTERISTIC CURVES (CDSF4148-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 10u 100 1u Reverse Current, ( A ) 10 C C C -25 0.1 75 125 C 1.0 25 Forward Current, (mA ) 125 C 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 30 40 50 60 70 80 90 100 Forward Voltage, (V) Reverse Voltage, (V) Fig.3 - Capacitance Between Terminals Characteristics Fig.4 - Current Derating Curve 5 f=1MHz Ta = 25°C 4 3 2 1 0 Average Forward Current, ( % ) Capacitance Between Terminals, (pF) 75 C 100n Mounting on glass epoxy PCBs 100 80 60 40 20 0 0 5 10 15 20 25 30 35 0 Reverse Voltage, (V) 25 75 100 125 150 Ambient Temperature, ( °C) Company reserves the right to improve product design , functions and reliability without notice. QW-G0003 50 Comchip Technology CO., LTD. REV:C 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. QW-G0003 Comchip Technology CO., LTD. REV:C 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) 4,000 7 Company reserves the right to improve product design , functions and reliability without notice. QW-G0003 Comchip Technology CO., LTD. REV:C Page 4