B540A Surface Mount Schottky Power Rectifiers SCHOTTKY BARRIER RECTIFIERS 5.0 AMPERES 40 VOLTS P b Lead(Pb)-Free Feature: * Low Forward Voltage Drop * High Current Capability * High Reliability * High Surge Current Capability * Epitaxial Construction Mechanical Data: SMA(DO-214AC) * Case: Molded Plastic * Epoxy: UL 94V-0 Rate Flame Retardant * Lead: Lead Solderable per MIL-STD-202, method 208 guaranteed * Polarity: As Marded * Mounting Position: Any * Weight: 0.064grams(Approx) SMA Outline Dimension Unit:mm B A Dim A B C D E G H J C D J G H E WEITRON http://www.weitron.com.tw 1/3 SMA Min 2.20 4.00 1.27 0.15 4.48 0.10 0.76 1.70 Max 2.92 4.60 1.63 0.31 5.59 0.20 1.52 2.62 Rev.A 23-Jun-09 B540A 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%. Characteristics Symbol Value Unit Maximum Recurrent Peak Reverse Voltage VRRM 40 V Maximum RMS Voltage VRMS 40 V Maximum DC Blocking Voltage VDC 40 V Maximum Average Forward Rectified Current See Fig.1 IF(AV) 5.0 A Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) IFSM 130 A Maximum Instantaneous Forward Voltage IF = 5.0A, TA = 25°C VF 0.58 V Maximum DC Reverse Current @Tj=25°C At Rated DC Blocking Voltage @Tj=125°C IR Typical Junction Capacitance (Note 1) CJ 600 PF Typical Thermal Resistance (Note 2) RθJL 28 °C/W Typical Thermal Resistance (Note 2) RθJA 118 °C/W TJ -50 to+125 °C TSTG -65 to+150 °C Operating Temperature Range Storage Temperature Range 0.5 mA 8 NOTES: 1.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 2.Aluminum substrate mounted. WEITRON http://www.weitron.com.tw 2/3 Rev.A 23-Jun-09 B540A 6 10 RATED VOLTAGE R θJC = 2° C/W 5 4 3 SQUARE WAVE 2 dc 1 0 70 90 80 100 110 120 130 140 150 160 180 Tc,CASE TEMPERATURE,( °C) PEAK FORWARD SURGE CURRENT,(A) Fig.1 TYPICAL FORWARD CURRENT DERATING CURVE IF(AV) ,INSTANEOUS FORWAED CURRENT(AMP) IF(AV),AVERAGE FORWARD CURRENT RATING AND CHARACTERISTIC CURVES 1 T j=25 C P uls e Width 300us 1% Duty C ycle 0.1 0.01 250 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 V ,INSTANTANEOUS VOLTAGE(V) 200 Fig.2 TYPICAL FORWARD VOLTAGE 150 8.3ms Single Half Sine Wave JEDEC method Tj=25°C 100 50 0 1 50 10 NUMBER OF CYCLES AT 60Hz 100 REVERSE LEAKAGE CURRENT, (mA) FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 700 JUNCTION CAPACITANCE,(pF) 5 600 500 400 Tj=25°C 300 200 10 Tj=75°C 1.0 0.1 Tj=25°C 100 0 0.01 1 2 5 10 50 100 40 60 80 100 120 140 FIG.5 - TYPICAL REVERSE CHARACTERISTICS FIG.4 TYPICAL JUNCTION CAPACITANCE WEITRON 20 PERCENTAGE RATED PEAK REVERSE VOLTAGE(%) REVERSE VOLTAGE,(V) http://www.weitron.com.tw 0 3/3 Rev.A 23-Jun-09