SMD Switching Diode CDSQR4148S-HF RoHS Device Halogen Free Features 0402/SOD-923F - High Speed. - Designed for mounting on small surface. 0.041(1.05) 0.037(0.95) - Extremely thin/leadless package. - High mounting capability, strong surge withstand, high reliability. 0.026(0.65) 0.022(0.55) Mechanical data - Case: 0402/SOD-923F standard package, molded plastic. 0.022(0.55) 0.018(0.45) - Terminals: Gold plated, solderable per MIL-STD-750,method 2026. 0.012(0.30) Typ. - Polarity: Indicated by cathode band. - Mounting position: Any. - Weight: 0.001 gram(approx.). 0.020(0.50) Typ. Dimensions in inches and (millimeter) Maximum Rating (at T A =25 C unless otherwise noted) O Parameter Conditions Symbol Min Typ Max Unit Repetitive peak reverse voltage V RRM 100 V Reverse voltage VR 100 V Average forward current IO 150 mA Forward current,surge peak I FSM T P = 8.3mS Repetitive peak forward current Power Dissipation 1.5 A I FRM 300 mA PD 125 mW Storage temperature T STG Junction temperature Tj -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. REV: A Page 1 QW-G0018 Comchip Technology CO., LTD. SMD Switching Diode RATING AND CHARACTERISTIC CURVES (CDSQR4148S-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 0 30 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 Reverse voltage, (V) 0 25 50 75 100 125 150 Ambient temperature, ( °C) REV:A Page 2 QW-G0018 Comchip Technology CO., LTD. SMD Switching Diode Reel Taping Specification d P0 P1 T E Index hole F W B C P 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) 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 7.008 ± 0.04 2.362 MIN. 0.512 ± 0.008 (inch) 0402 (SOD-923F) 0.026 ± 0.004 0.045 ± 0.004 0.024 ± 0.004 0.061 + 0.004 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. REV:A Page 3 QW-G0018 Comchip Technology CO., LTD. SMD Switching Diode Marking Code Part Number Marking Code CDSQR4148S-HF .S3 .S3 Suggested PAD Layout 0402/SOD-923F SIZE (mm) (inch) A 0.750 0.030 B 0.500 0.020 C 0.700 0.028 D 1.250 0.049 E 0.250 0.010 D A E C B Standard Packaging Case Type 0402/SOD-923F Qty Per Reel Reel Size (Pcs) (inch) 5000 7 REV:A Page 4 QW-G0018 Comchip Technology CO., LTD.