CDSQR4148-HF

SMD Switching Diode CDSQR4148-HF RoHS Device Halogen Free Features 0402/SOD-923F - High Speed. - Designed for mounting on small surface. - Extremely thin/leadless package. - High mounting capability, strong surge withstand, high reliability. 0.041(1.05) 0.037(0.95) 0.026(0.65) 0.022(0.55) Mechanical data - Case: 0402/SOD-923F standard package, molded plastic. - Terminals: Gold plated, Solderable per MIL-STD-750,method 2026. - Polarity: Indicated by cathode band. - Mounting position: Any. - Weight: 0.001 grams(approx.). 0.022(0.55) 0.018(0.45) 0.014(0.35) 0.010(0.25) Circuit diagram 0.020(0.50) 0.016(0.40) 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 75 V Average forward current IO 150 mA Parameter Conditions Repetitive peak reverse voltage Forward current, surge peak Tp=1uS Min 4 I FSM Tp=1mS Power dissipation PD Operating temperature range Tj Storage temperature range A 1 125 -40 T STG -40 Symbol Min mW +125 O +125 O C C Electrical Characteristics (at T =25 ºC unless otherwise noted) A Parameter Conditions Typ Max Unit 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. REV:C Page 1 QW-G0010 Comchip Technology CO., LTD. SMD Switching Diode RATING AND CHARACTERISTIC CURVES (CDSQR4148-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 10u O 125 C Reverse Current, ( A ) Forward Current, (mA ) 100 10 O C O C C -25 O O 25 125 75 0.1 C 1 1u O 75 C 100n 10n O 25 C 1n O -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 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 f=1MHz Ta = 25°C 4 3 2 1 0 Average Forward Current, ( % ) Capacitance Between Terminals, (pF) 30 Mounting on glass epoxy PCBs 100 80 60 40 20 0 0 5 10 15 20 25 30 35 0 Reverse Voltage, (V) 25 50 75 100 125 150 Ambient Temperature, ( °C) Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 2 QW-G0010 Comchip Technology CO., LTD. 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 0402 (SOD-923F) 0402 (SOD-923F) SYMBOL A B C d D D1 D2 (mm) 0.75 ± 0.10 1.15 ± 0.10 0.60 ± 0.10 1.55 + 0.10 178 ± 1 60.0 MIN. 13.0 ± 0.20 (inch) 0.030 ± 0.004 0.045 ± 0.004 0.024 ± 0.004 0.061 + 0.004 7.008 ± 0.040 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 ± 0.10 0.22 ± 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. Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 3 QW-G0010 Comchip Technology CO., LTD. SMD Switching Diode Marking Code Part Number Marking Code CDSQR4148-HF S3 S3 Suggested PAD Layout 0402/SOD-923F SIZE (mm) (inch) A 0.75 0.030 B 0.50 0.020 C 0.70 0.028 D 1.25 0.049 E 0.25 0.010 D A E C B Standard Packaging Case Type 0402/SOD-923F Qty Per Reel Reel Size (Pcs) (inch) 5,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:C Page 4 QW-G0010 Comchip Technology CO., LTD.