Low VF SMD Schottky Barrier Rectifiers CDBZ31045L-HF Reverse Voltage: 45 Volts Forward Current: 10 Amp RoHS Device Halogen free TO-277(Z3) Features Top View Bottom View 0.132(3.35) 0.120(3.05) 0.085(2.15) 0.073(1.85) -Lead less chip form, no lead damage. -Low power loss, High efficiency. -High current capability, low VF. 0.187(4.75) 0.175(4.45) 0.262(6.65) 0.250(6.35) -Plastic package has Underwriters Laboratory Flammability Classification 94V-0 . 0.163(4.15) 0.152(3.85) 0.061(1.55) 0.049(1.25) Mechanical data -Case: Packed with FRP substrate and epoxy underfilled. 0.045(1.15) 0.033(0.85) 0.047(1.20) 0.035(0.90) -Terminals: Pure Tin plated (Lead-Free), solderable per MIL-STD-750, method 2026. 0.053(1.35) 0.041(1.05) Circuit Diagram Dimensions in inches and (millimeter) LEFT PIN BOTTOMSIDE HEAT SINK RIGHT PIN Maximum Ratings (at TA=25°C unless otherwise noted) Symbol Rating Unit Repetitive peak reverse voltage VRRM 45 V Average forward current IF(AV) 10 A Peak forward surge current (8.3ms single half sine-wave) IFSM 200 A TJ, TSTG -55 to +150 °C Parameter Operating and storage temperature range Electrical Characteristics (at TA=25°C unless otherwise noted) Parameter Symbol Conditions Min. Typ. Max. Unit Forward voltage (NOTE 1) VF @ IF = 10 A TJ= 25°C TJ= 125°C 0.43 0.42 0.46 - V Repetitive peak reverse current IR @ VR = Max. VRRM TJ= 25°C TJ= 100°C 0.12 15 0.35 50 mA RθJA Junction to ambient (NOTE 2) 122 °C/W RθJC Junction to case (NOTE 2) 18 °C/W Thermal resistance NOTES : (1) Pulse test width PW=300usec , 1% duty cycle. (2) Mounted on P.C.B. with (3.36x4.86mm & 1.39*1.4mm )copper pad areas. Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 1 QW-JL030 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBZ31045L-HF) Fig.1 - Typical Forward Current Derating Curve Fig.2 - Typical Instantaneous Forward Characteristics 50 Instantaneous Forward Current, (A) Average Forward Current, (A) 14 12 10 8 6 4 2 1 0.1 TJ = 150°C TJ = 125°C TJ = 100°C TJ = 25°C 0.01 0 0 25 50 75 100 125 150 175 0 0.1 0.2 0.3 0.4 0.5 Case Temperature, (°C) Instantaneous Forward Voltage, (V) Fig.3 - Maximum Non-repetitive Peak Forward Surge Current Fig.4 - Typical Reverse Characteristics 300 100 TJ=25°C 8.3ms single half sine wave, JEDEC method TJ=150°C TJ=125°C Instantaneous Reverse Leakage Current, (mA) Peak Forward Surge Current, (A) 10 200 100 0 1 10 Number of Cycles at 60Hz 100 10 TJ=100°C 1 0.1 TJ=25°C 0.01 0.001 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage, (%) Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 2 QW-JL030 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 TO-277(Z3) TO-277(Z3) SYMBOL A B C d D D1 D2 (mm) 4.25 ± 0.10 6.80 ± 0.10 1.45 ± 0.10 1.50 ± 0.10 330 ± 2.00 50.0 MIN. 13.0 ± 0.50 (inch) 0.167 ± 0.004 0.268 ± 0.004 0.057 ± 0.004 0.059 ± 0.004 12.992 ± 0.079 1.969 MIN. 0.512 ± 0.020 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 5.50 ± 0.05 8.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 12.00 ± 0.30 14.4 MAX. (inch) 0.069 ± 0.004 0.217 ± 0.002 0.315 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.472 ± 0.012 0.567 MAX. Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 3 QW-JL030 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers Marking Code Z3PK 1045U Suggested PAD Layout 0.191 (4.86) MIN. 0.055 (1.40) MIN. 0.132 (3.36) MAX. 0.072 (1.84) MAX. 0.280 (7.11) REF. 0.055 (1.39) MIN. Standard Packaging REEL PACK Case Type TO-277(Z3) REEL Reel Size ( pcs ) (inch) 5,000 13 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 4 QW-JL030 Comchip Technology CO., LTD.