SMD Schottky Barrier Rectifiers CDBM240-HF Thru CDBM2200-HF Reverse Voltage: 40 to 200 Volts Forward Current: 2.0 Amp RoHS Device Halogen free Mini SMA/SOD-123 Features -Batch process design, excellent powe dissipation offers better reverse leakage current and thermal resistance. 0.154(3.90) 0.138(3.50) -Low profile surface mounted application 0.012(0.30) Typ. in order to optimize board space. -Tiny plastic SMD package. -Low power loss, high efficiency. 0.071(1.90) 0.055(1.50) -High current capability, low forward voltage dorp. -High surge capability. -Guardring for overvoltage protection. -Ultra high-speed switching. -Silicon epitaxial planar chip, metal silicon junction. -Lead-free parts meet environmental standards of MIL-STD-19500 /228 0.067(1.70) 0.051(1.30) Mechanical data 0.028(0.70) Typ. 0.028(0.70) Typ. -Epoxy: UL94-V0 rated flame retardant. -Case: Molded plastic, JEDEC Mini SMA/SOD-123. -Terminals: Solde plated, solderable per MIL-STD-750, method 2026. Dimensions in inches and (millimeter) -Polarity: Indicated by cathode band. -Mounting position: Any -Weight:0.018 gram(approx.). Maximum Ratings (at TA=25C unless otherwise noted) CDBM CDBM CDBM CDBM CDBM Parameter Symbol Unit 240-HF 260-HF 2100-HF 2150-HF 2200-HF Repetitive peak reverse voltage VRRM 40 60 100 150 200 V Maximum RMS voltage VRMS 28 42 70 105 140 V Continuous reverse voltage VR 40 60 100 150 200 V Forward voltage IF=2.0A VF 0.50 0.70 0.85 0.90 0.92 V Forward rectified current IO 2.0 A Forward surge current, 8.3ms half sine wave IFSM 50 A superimposed on rated load (JEDEC method) TA=25C 0.5 Reverse current on VR=VRRM IR mA TA=100C 10 Typ. thermal resistance, junction to ambient air RJA 85 C/W Typ. diode junction capacitance (Note 1) pF CJ 160 Operating junction temperature TJ -55 to +125 -55 to +150 C Storage temperature TSTG -65 to +175 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:B QW-JB003 Page 1 Comchip Technology CO., LTD.CDBM24 0-HF CDBM260-HF~2200-HF SMD Schottky Barrier Rectifiers Rating and Characteristic Curves (CDBM240-HF Thru CDBM2200-HF) Fig.2-Typical forward characteristics Fig.1-Typical forward current current derating curve 100 2.8 2.4 10 2.0 1.6 1 1.2 0.8 0.1 O TJ=25 C 0.4 Pulse width 300s 1% duty cycle 0.01 0 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 20 40 60 80 100 120 140 160 TA, Ambient temperature, (C) VF, Forward voltage, (V) Fig.3 - Maximum non-repetitive Fig.4-Typical junction capacitance forward surge current 50 700 f=1MHz O TJ=25 C Applied 4VDC 8.3ms single half sine reverse voltage wave, JEDEC method 600 40 500 30 400 300 20 200 10 100 0 0 1 10 100 0.01 0.1 1 10 100 Number of cycles at 60Hz VR, Reverse voltage, (V) Fig.5 - Typical reverse characteristics 100 10 1 O TJ=75 C 0.1 O TJ=25 C 0.01 0 40 80 120 160 200 Percent of Rated Peak Reverse Voltage (%) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JB003 Page 2 Comchip Technology CO., LTD. CDBM240-HF CDBM260-HF 2100-H F C DBM CDBM2150-HF~2200-HF - IFSM, Peak forward surge current, (A) IR, Reverse leakage current, (mA) IO, Average forward current ,(A) CJ, Junction capacitance, (pF) IF, Instantaneous Forward Current (A)