SMD Schottky Barrier Rectifiers CDBFN140-HF Thru CDBFN160-HF Voltage: 40 to 60 Volts Current: 1.0 Amp RoHS Device Halogen free Features - Batch process design, excellent power dissipation offers better reverse leakage current. - Low profile surface mounted application in order to optimize board space. - Low power loss, high efficiency. - High current capability, low forward voltage dorp. - High surge capability. - Guard ring for overvoltage protection. - Very tiny plastic SMD package. - Ultra high-speed switching. - Silicon epitaxial planar chip, metal silicon junction. - Lead-free parts meet environmental standards of MIL-STD-19500 /228 SOD-323 0.106 (2.70) 0.091 (2.30) 0.012(0.3) Typ. 0.057 (1.45) 0.041 (1.05) 0.047 (1.2) 0.031 (0.8) 0.016(0.4) Typ. 0.016(0.4) Typ. Mechanical data - Case: JEDEC SOD-323, Molded plastic - Terminals: Solde plated, solderable per MIL-STD-750, method 2026. - Polarity: Indicated by cathode band. - Mounting position: Any - Weight:0.008 grams(approx.). Dimensions in inches and (millimeter) Circuit Diagram Maximum Ratings (at TA=25°C unless otherwise noted) Symbol CDBFN 140-HF CDBFN 160-HF Unit Repetitive peak reverse voltage VRRM 40 60 V Maximum RMS voltage VRMS 28 42 V Continuous reverse voltage VR 40 60 V Maximum forward voltage @IF=1.0A VF 0.55 0.70 V Forward rectified current IO 1.0 A IFSM 30 A Parameter Forward surge current, 8.3ms half sine wave superimposed on rated load (JEDEC method) VR=VRRM @TJ =25°C Maximum Reverse current 0.5 mA IR VR=VRRM @TJ =100°C Typ. Thermal resistance, junction to ambient air 10 RθJA 90 °C/W Typ. Diode junction capacitance (Note 1) CJ 120 pF Operating junction temperature TJ Storage temperature -55 to +125 TSTG -55 to +150 -65 to +175 °C °C Note 1: f=1MHz and applied 4V DC reverse voltage. Company reserves the right to improve product design , functions and reliability without notice. REV:D Page 1 QW-JB001 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers Ratings and Characteristic Curves(CDBFN140-HF Thru CDBFN160-HF) Fig.1- Typical Forward Current Derating Curve Fig.2- Typical Forward Characteristics 100 Instantaneous Forward Current, (A) 1.0 6 FN1 C DB CD B F 0-H F 0.5 0-H 4 FN1 Average Forward Current, (A) 1.3 50 100 150 200 N1 BF 40 F -H C 1 FN DB 60 F -H 1 0.1 O TJ=25 C Pulse width 300μs 1% duty cycle 0.3 0.5 0.7 0.9 1.1 1.3 1.5 Lead Temperature, (°C) Forward Voltage, (V) Fig.3 - Maximum Non-repetitive Forward Surge Current Fig.4 - Typical Junction Capacitance 30 350 TJ=25 OC 8.3ms single half sine wave, JEDEC method Junction Capacitance, (pF) Peak Forward Surge Current, (A) CD 0.01 0.1 0 0 10 20 10 300 250 200 150 100 50 0 1 10 100 0 0.01 Number of Cycles at 60Hz 0.1 1 10 100 Reverse Voltage, (V) Fig.5- Typical Reverse Characteristics Reverse Current, (mA) 100 10 1 O TJ=75 C 0.1 O TJ=25 C 0.01 0 20 40 60 80 100 120 140 Percent of Rated Peak Reverse Voltage, (%) Company reserves the right to improve product design , functions and reliability without notice. REV:D Page 2 QW-JB001 Comchip Technology CO., LTD. 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 SOD-323 SYMBOL A B C d D D1 D2 (mm) 1.47 ± 0.10 2.95 ± 0.10 1.15 ± 0.10 1.50 ± 0.10 178 ± 2 62.0 MIN. 13.00 ± 0.50 (inch) 0.058 ± 0.004 0.116 ± 0.004 0.045 ± 0.004 0.059 ± 0.004 7.008 ± 0.079 2.441 MIN. 0.512 ± 0.020 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 ± 0.30 11.4 ± 1.00 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 ± 0.012 0.449 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. QW-JB001 REV:D Page 3 SMD Schottky Barrier Rectifiers Marking Code Part Number Marking Code CDBFN140-HF 14 CDBFN160-HF 16 XX XX=Product type marking code Suggested PAD Layout C SOD-323 SIZE (mm) (inch) A 1.50 0.059 B 1.00 0.039 1.30 0.051 C A B Standard Packaging Case Type SOD-323 Qty per Reel Reel Size (Pcs) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:D Page 4 QW-JB001 Comchip Technology CO., LTD.