SMD Schottky Barrier Diode CDBQR0240LR-HF Io = 200 mA VR = 40 Volts RoHS Device Halogen Free 0402/SOD-923F Features 0.041(1.05) 0.037(0.95) - Low reverse current, Low forward voltage. - Designed for mounting on small surface. - Extremely thin / leadless package. 0.026(0.65) 0.022(0.55) - Majority carrier conduction. Mechanical data - Case: 0402 / SOD-923F standard package, molded plastic. 0.022(0.55) 0.018(0.45) 0.014(0.35) 0.010(0.25) - Terminals: Gold plated, solderable per MIL-STD-750,method 2026. - Marking Code: cathode band & BX - Mounting position: Any. 0.020(0.50) 0.016(0.40) - Weight: 0.001 grams(approx.). Dimensions in inches and (millimeter) Circuit diagram Maximum Rating (at T =25°C unless otherwise noted) A Parameter Conditions Repetitive peak reverse voltage Symbol Min Typ VRRM Max Unit 40 V Reverse voltage VR 40 V Average forward rectified current IO 200 mA IFSM 3 A PD 320 mW RΘJA 310 °C/W 8.3 ms single half sine-wave superimposed on rate load (JEDEC method) * 1cycle Forward current, surge peak Power dissipation Thermal resistance junction to ambient Operating temperature range Storage temperature range TJ -40 +125 °C TSTG -40 +125 °C Symbol Min Max Unit Electrical Characteristics (at T =25°C unless otherwise noted) A Parameter Forward voltage Reverse current Capacitance Conditions Typ IF = 10mA VF 0.35 V IF = 100mA VF 0.48 V IF = 200mA VF 0.58 V VR = 10V IR 0.5 uA 5 uA VR = 40V IR f = 1 MHz, and 1 VDC reverse voltage CT 9 pF Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G1117 Page 1 Comchip Technology CO., LTD. SMD Schottky Barrier Diode RATING AND CHARACTERISTIC CURVES (CDBQR0240LR-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 10000 1000 1000 Reverse Current, (uA ) Forward Current, (mA ) O T A = 125 C 100 O T A =100 C T A =75°C 10 T A =50°C T A =25°C 1.0 O T A = 125 C O T A =100 C 100 O T A =75 C O 10 T A =50 C O T A =25 C 1.0 0.1 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 10 30 20 40 Forward Voltage, (V) Reverse Voltage, (V) Fig.3 - Capacitance Between Terminals Characteristics Fig.4 - Current Derating Curve 30 Average Forward Current, (%) Capacitance Between Terminals, ( P F) 0 20 10 Mounting on glass epoxy PCBs 100 80 60 40 20 0 0 0 5 10 15 20 25 30 0 25 50 75 100 125 O Reverse Voltage, (V) Ambient Temperature, ( C) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G1117 Page 2 Comchip Technology CO., LTD. SMD Schottky Barrier 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) 0402 (SOD-923F) SYMBOL A B C d D D1 D2 (mm) 0.75 ± 0.05 1.17 ± 0.05 0.65 ± 0.05 1.50 + 0.10 - 0 178 ± 1 60.0 + 0.50 - 0 13.0 ± 0.20 (inch) 0.030 ± 0.002 0.046 ± 0.002 0.026 ± 0.002 0.059 + 0.004 - 0 7.008 ± 0.039 2.362 + 0.020 - 0 0.512 ± 0.008 SYMBOL E F P P0 P1 T W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 0.20 + 0.02 - 0.05 8.00 ± 0.20 12.0 ± 0.15 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.008 + 0.001 - 0.002 0.315 ± 0.008 0.472 ± 0.006 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G1117 Page 3 Comchip Technology CO., LTD. SMD Schottky Barrier Diode Marking Code Part Number Marking Code CDBQR0240LR-HF BX BX 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) 5,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G1117 Page 4 Comchip Technology CO., LTD.