SNWA - SNWM SURFACE MOUNT RECTIFIERS SMA (DO-214AC) FEATURES : * * * * * * 1.1 ± 0.3 4.5 ± 0.15 5.0 ± 0.15 PRV : 50 - 1000 Volts Io : 1.0 Amperes 0.2 ± 0.07 1.2 ± 0.2 High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Pb / RoHS Free 2.1 ± 0.2 2.6 ± 0.15 2.0 ± 0.2 Dimensions in millimeter MECHANICAL DATA : * * * * * * Case : SMA Molded plastic Epoxy : UL94V-O rate flame retardant Lead : Lead Formed for Surface Mount Polarity : Color band denotes cathode end Mounting position : Any Weight : 0.067 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATING SYMBOL SNWA SNWB SNWD SNWG SNWJ SNWK SNWM UNIT Maximum Repetitive Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V Maximum Average Forward Current Ta = 70°C Peak Forward Surge Current 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 1.0 Amp. IF 1.0 A IFSM 50 A VF 1.0 V 0.2 µA 25 µA Maximum DC Reverse Current Ta = 25 °C IR at rated DC Blocking Voltage Ta = 100 °C IR(H) Typical Junction Capacitance (Note1) CJ 30 pF Junction Temperature Range TJ - 65 to + 150 °C Storage Temperature Range TSTG - 65 to + 150 °C Notes : (1) Measured at 1.0 MHz and applied reverse voltage of 4.0VDC Page 1 of 2 Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( SNWA - SNWM ) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 1.0 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 40 Ta = 25 °C 30 20 10 0 175 1 AMBIENT TEMPERATURE, ( °C) 4 6 10 20 40 60 100 FIG.4 - TYPICAL REVERSE CHARACTERISTICS 10 10 REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES FIG.3 - TYPICAL FORWARD CHARACTERISTICS 1.0 Pulse Width = 300 µs 2% Duty Cycle 0.1 TJ = 25 °C 0.01 Ta = 100 °C 1.0 0.1 Ta = 25 °C 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FORWARD VOLTAGE, VOLTS Page 2 of 2 2 NUMBER OF CYCLES AT 60Hz 1.8 2.0 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Rev. 02 : March 25, 2005