Low VF SMD Schottky Barrier Rectifiers CDBZ1140L-HF Reverse Voltage: 40 Volts Forward Current: 1.0 Amp RoHS Device Halogen free SOD-323(Z1) 0.083 (2.10) 0.074 (1.90) Features - Lead less chip form, no lead damage. 0.055 (1.40) 0.047 (1.20) - Low power loss, High efficiency. R 0.012 (0.30) - High current capability, low VF. 0.039(1.00) Typ. - Plastic package has Underwriters Laboratory Flammability Classification 94V-0 . 0.024 (0.60) 0.016 (0.40) 0.024 (0.60) 0.016 (0.40) 0.039 (1.00) 0.028 (0.70) Mechanical data - Case: Packed with FRP substrate and epoxy underfilled. - Terminals: Pure Tin plated (Lead-Free), solderable per MIL-STD-750, method 2026. - Polarity : Laser Cathode band marking - Weight : 0.005 grams(approx.). 0.043 (1.10) 0.035 (0.90) Circuit Diagram 0.022(0.55) 0.014(0.35) Dimensions in inches and (millimeter) Maximum Ratings (at TA=25°C unless otherwise noted) Symbol Rating Unit Repetitive peak reverse voltage VRRM 40 V Average forward current IF(AV) 1.0 A Peak forward surge current (8.3ms single half sine-wave) IFSM 20 A TJ -55 to +125 °C TSTG -55 to +150 °C Parameter Operating junction temperature range Storage temperature range Electrical Characteristics (at TA=25°C unless otherwise noted) Parameter Forward voltage (Note1) Repetitive peak reverse current (Note1) Junction capacitance Min. Typ. Max. Unit IF = 1.0 A - 0.37 0.38 V VR = Max. VRRM , TA= 25°C - 0.50 1.0 mA CJ VR = 4V, f = 1.0 MHz - 115 - pF RθJA Junction to ambient - 88 - °C/W RθJL Junction to lead - 28 - °C/W Symbol VF IRRM Conditions Thermal resistance NOTES : (1) Pulse test width PW=300usec , 1% duty cycle. (2) Mounted on P.C. board with 5.0X5.0mm copper pad areas. Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 1 QW-JL036 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBZ1140L-HF) Fig.2- Maximum Non-Repetitive Peak Forward Surge Current Fig.1 - Forward Current Derating Curve Average Forward Rectified Current, (A) 1.0 25 8.3ms Single Half Sine-Wave Peak Forward Surge Current, (A) RESISTIVE OR INDUCTIVE LOAD P.C.B MOUNTED ON 0.2X0.2”(5.0X5.0mm) COPPER PAD AREAS 0.5 15 10 5 0 0 0 25 50 75 100 125 1 10 100 Case Temperature, (°C) Number of Cycles at 60Hz Fig.3 - Typical Instantaneous Forward Characteristics Fig.4 - Typical Reverse Characteristics 100 Instantaneous Reverse Voltage, (mA) 10 Instantaneous Forward Current, (A) 20 1.00 Ta=25°C 0.10 0.01 0.001 10 1.0 TJ=100°C 0.1 TJ=25°C 0.01 0.001 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Forward Voltage, (V) 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage, (%) Fig.5 - Typical Junction Capacitance Junction Capacitance, (pF) 400 TJ=25°C f=1.0MHz Vsig=50mVP-P 100 10 0.1 1.0 10 100 Reverse Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 2 QW-JL036 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers Reel Taping Specification d P0 P1 T E Index hole F W B P C A 12 o 0 D2 D1 D W1 Trailer ....... ....... End Device ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed SOD-323 ( Z1 ) SOD-323 ( Z1 ) SYMBOL A B C d D D1 D2 (mm) 1.45 ± 0.10 2.25 ± 0.10 1.10 ± 0.10 1.50 ± 0.10 178.00 ± 2.00 50.0 MIN. 13.5 ± 0.50 (inch) 0.057 ± 0.004 0.089 ± 0.004 0.043 ± 0.004 0.059 ± 0.004 7.008 ± 0.079 1.969 MIN. 0.532 ± 0.020 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.05 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 ± 0.30 9.0 ± 0.5 (inch) 0.069 ± 0.004 0.138 ± 0.002 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 ± 0.012 0.354 + 0.020 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 3 QW-JL036 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers Marking Code Part Number Marking Code CDBZ1140L-HF A 4L. A 4L. Suggested PAD Layout 0.057(1.45) MIN. 0.039(0.9) MIN. 0.039(1.00) MIN. 0.114(2.90) REF. Standard Packaging REEL PACK Case Type SOD-323/Z1 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 4 QW-JL036 Comchip Technology CO., LTD.