MM18L Surface Mount Schottky Diodes SMALL SIGNAL SCHOTTKY DIODES 1.0 AMPERES 30 VOLTS Features: *Low Forward Voltage *Fast Switching *Low Switching Noise *Ideal for Surface Mounted Application Mechanical Data: *Case : MINI-MELF Plastic Case (SOD-80) *Weight : Approx 0.15 gram MINI-MELF MINI-MELF Outline Dimensions Unit:mm MINI MELF A B C WEITRON http://www.weitron.com.tw Dim A B C Min 3.30 1.30 0.28 Max 3.70 1.60 0.50 MM18L WE IT R ON Maximum Ratings and Electrical Characteristics Rating 25 C Ambient Temperature Unless Otherwise Specified. Single Phase Half Wave, 60Hz , Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Symbol MM18L Unit Maximum Recurrent Peak Reverse Voltage VRRM 30 V Maximum RMS Voltage VRMS 21 V Maximum DC Blocking Voltage VDC 30 V IF(AV) 1.0 A IFSM 10 A VF 0.50 V IR 0.5 10 mA CJ R JL 80 PF 30 C/W TJ -55 to+125 C TSTG -55 to+150 C Characteristics Maximum Average Forward Rectified Current @TC=75 C Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous At 1.0A DC Maximum DC Reverse Current @Tj=25 C At Rated DC Blocking Voltage @Tj=75 C Typical Junction Capacitance Typical Thermal Resistance (Note 1) (Note 2) Operating Temperature Range Storage Temperature Range NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 2.Thermal Resistance Junction to case. WEITRON http://www.weitron.com.tw MM18L WE IT R ON 20 1.0 0.8 0.6 0.4 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.2 0 0 25 50 75 100 125 150 175 TERMINAL TEMPERATURE C FIG 1, FORWARD CURRENT DERATING CURVE INSTANTANEOUS FORWARD CURRENT AMPERES AVERAGE FORWARD CURRENT (A) RATING AND CHARACTERISTICS CURVE 10 1.0 0.1 .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 INSTANTANEOUS FORWARD VOLTAGE VOLTS FIG 2 , TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 CAPACITANCE (pF) TJ=125 C 10 1.0 100 10 TJ=75 C 0 0.1 0.2 0.4 1.0 2 4 10 20 40 REVERSE VOLTAGE (V) .10 FIG 4 , TYPICAL JUNCTION CAPACITANCE 10 TJ=25 C .01 .001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE FIG 3, TYPICAL REVERSE CHARACTERISTICS WEITRON http://www.weitron.com.tw PEAK FORWARD SURGE CURRENT (A) INSTANTANEOUS REVERSE CURRENT (mA) 200 Tj=75 C 8.3ms Single Half Sine-Wave 8 JDEC Method 6 4 2 0 1 2 4 6 8 10 20 40 60 80 100 NUMBER OF CYCLES AT 60Hz FIG 5, MAXIMUM NON-REPETITIVE SURGE CURRENT 100