Comchip SMD Schottky Barrier Rectifiers SMD Diode Specialist CDBMHS240-HF Reverse Voltage: 40 Volts Forward Current: 2 Amp RoHS Device Halogen Free SOD-123ST 0.152(3.85) 0.140(3.55) Features 0.039(1.00) 0.031(0.80) 0.079(2.00) 0.063(1.60) - Fast switching speed - Surface mount package suited for automatic insertion - Low power loss, high efficiency 0.008(0.20) 0.005(0.12) 0.035(0.90) 0.028(0.70) - Low leakage current 0.057(1.45) 0.041(1.05) Mechanical data - Epoxy: UL94V-0 rated flame retardant 0.053(1.35) 0.037(0.95) - Case: SOD-123ST, Molded plastic - Terminals: Solder plated solderable per MIL-STD-750 method 2026 0.096(2.45) 0.081(2.05) - Mounting position: Any 0.039(1.00) 0.024(0.60) Dimensions in inches and (millimeter) - Polarity: Color band denotes cathode end Circuit diagram - Weight: 0.018 grams(approx.). Maximum Rating (at TA=25°C unless otherwise noted) Symbol Value Unit Max. Repetitive peak reverse voltage VRRM 40 V Max. RMS voltage VRMS 28 V Max. DC blocking voltage VDC 40 V IFSM 50 A IO 2 A RθJA 60 °C/W Junction temperature range TJ -50 to +125 °C Storage temperature range TSTG -50 to +125 °C Parameter Max. Peak forward surge current (8.3ms single half sine-wave JEDEC method) Max. Average forward current Thermal resistance from junction to ambient Electrical Characteristics (at TA=25°C unless otherwise noted) Parameter Conditions Symbol Forward voltage IF = 2A VF Reverse leakage current VR = 40V IR Min. Typ. 25 Max. Unit 500 mV 100 uA Notes: Pulse test with PW=300µsec, 1% duty cycle Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 1 QW-JB065 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBMHS240-HF) Fig.1 - Typical Forward Current Derating Curve Fig.2 - Typical Forward Characteristics 10000 Instantaneous Forward Current, (mA) 2.5 Forward Current, (A) 2.0 1.5 1.0 0.5 0 Single phase half wave 60Hz resistive or Inductive load P.C.B mounted on 0.2x0.2” (5.0x5.0mm) copper pad areas 0 25 50 1000 TJ=125°C TJ=100°C 100 TJ=75°C TJ=50°C 10 TJ=25°C 1 0 75 100 125 0 Lead Temperature, ( °C) 0.1 0.2 0.3 0.4 0.5 Forward Voltage, (V) Fig.3 - Typical Reverse Characteristics Reverse Current, (uA) 10000 TJ=125°C 1000 TJ=100°C TJ=75°C 100 TJ=50°C 10 TJ=25°C 1 0 0 10 20 30 40 Reverse Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JB065 Page 2 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 ....... ....... ....... ....... 160mm (min) Start 400mm (min) Direction of Feed SOD-123ST SOD-123ST SYMBOL A B C d D D1 D2 (mm) 2.00 ± 0.10 4.00 ± 0.10 1.10 ± 0.10 1.55 ± 0.10 178.00 MAX. 62.00 MIN. 13.00 ± 0.20 (inch) 0.079 ± 0.04 0.157 ± 0.04 0.043 ± 0.04 0.061 ± 0.004 7.008 MAX. 2.441 MIN. 0.512 ± 0.008 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 ± 0.05 0.23 ± 0.10 8.00 ± 0.30 11.40 MIN. (inch) 0.069 ± 0.004 0.138 ± 0.002 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.002 0.009 ± 0.004 0.315 ± 0.012 0.449 MIN. Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JB065 Page 3 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers Marking Code Part Number Marking Code CDBMHS240-HF 24 24 = Cathod band xx = Product type marking code Suggested PAD Layout SOD-123ST D SIZE (mm) (inch) A 2.30 0.091 B 0.55 0.022 C 1.25 0.049 D 4.10 0.161 E 1.40 0.055 A B C E Standard Packaging REEL PACK Case Type SOD-123ST REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JB065 Page 4 Comchip Technology CO., LTD.