Low VF SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw CDBM120L Thru CDBM140L Reverse Voltage: 20 - 40 Volts Forward Current: 1.0 Amp Features Ideal for surface mount applications Easy pick and place Plastic package has Underwriters Lab. flammability classification 94V-0 Exceeds environmental standard MIL-S19500/228 Low leakage current MINI SMA 0.161(4.10) 0.146(3.70) 0.012(0.30) Typ. 0.071(1.80) 0.055(1.40) Mechanical data 0.110(2.80) 0.094(2.40) Case: Mini SMA molded plastic Terminals: solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode end Mounting position: Any Approx. Weight:0.04 gram 0.063(1.60) 0.055(1.40) 0.035(0.90) Typ. 0.035(0.90) Typ. Dimensions in inches and (millimeter) Maximum Ratings and Electrical Characterics Parameter Symbol Max. Repetitive Peak Reverse Voltage V RRM 20 40 V Max. DC Blocking Voltage V DC 20 40 V Max. RMS Voltage V RMS 14 28 V Peak Surge Forward Current 8.3ms single half sine-wave superimposed on rate load ( JEDEC method ) CDBM120L CDBM140L Unit I FSM 30 A Max. Average Forward Current Io 1.0 A Max. Instantaneous Forward Current at 1.0 A VF Max. DC Reverse Current at Rated DC Blocking Voltage Ta=25 C IR 0.5 10 Ta=100 C Max. Thermal Resistance (Note 1) 0.40 0.38 V mA 5 R JA 88 R JL 20 C /W Operating Junction Temperature Tj -55 to +125 C Storage Temperature T STG -55 to +150 C Note 1: Thermal resistance from junction to ambient and junction to to lead P.C.B. Mounted on 0.2 x 0.2 copper pad areas MDS0211018A Page 1 Low VF SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw Rating and Characteristic Curves (CDBM120L Thru CDBM140:L) Fig.2 - Forward Characteristics Fig. 1 - Reverse Characteristics 100 100 Forward Current ( A ) Reverse Current ( mA ) CDBM120L 10 1 Tj=75 C 10 CDBM140L 1 0.1 0.1 Tj=25 C 0.01 0.01 0 20 40 60 80 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 100 120 140 160 180 200 1.8 2.0 Forward Voltage (V) Percent of Rated Peak Reverse Voltage (%) Fig. 3 - Junction Capacitance Fig. 4 - Current Derating Curve =1MHz and applied 4VDC reverse voltage 300 1.2 Average forward current ( A ) Junction Capacitance (pF) 350 250 200 150 100 50 0 1.0 0.8 0.6 0.4 0.2 0 0.01 0.1 1.0 10 100 20 40 60 80 100 120 140 160 Ambient Temperature ( C) Reverse Voltage (V) Peak surge Forward Current ( A ) Fig. 5 - Non repetitive Forward Surge Current 30 8.3mS Single Half Sine Wave JEDEC methode 24 18 Tj=25 C 12 6 0 1 5 10 50 1 00 Number of Cycles at 60Hz MDS0211018A Page 2