US1A Thru US1M Surface Mount Ultra Fast Rectifiers REVERSE VOLTAGE 50 TO 1000 VOLTS FORWARD CURRENT 1.0 AMPERE Features: * For Surface Mount Application * Glass Passivated Chip * Low Reverse Leakage Current * Low Forward Voltage Drop And High Current Capability * Ultra Fast Switching For High Efficiency * Plastic Meterial Has UL Flammability Classification 94V-0 Mechanical Data * Case : Molded Plastic * Terminals: Solder Plated Terminal-Solderable per MIL-STD-202, Method 208 * Polarity :Indicated by cathode band * Weight : 0.002 Ounce ,0.064 grams SMA(DO-214AC) SMA Outline Dimension Unit:mm B A C D J G H E WEITRON http://www.weitron.com.tw Dim A B C D E G H J 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 US1A Thru US1M 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 US1A US1B US1D US1G US1J US1K US1M Unit Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 Maximum Average Forward Rectified Current @T T =75 C V IF(AV) 1.0 A IFSM 30 A 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 @T A =25 C At Rated DC Blocking Voltage @T A =100 C VF 1.0 1.30 1.70 5.0 IR V uA 100 Maximun Reverse Recocery Time(Note1) Trr 50 100 nS Typical Junction Capacitance (Note 2) CJ 20 10 PF R JT 75 C/W TJ -55 to+150 C TSTG -55 to+150 C Typical Thermal Resistance (Note 3) Operating Temperature Range Storage Temperature Range NOTES:1.Reverse Recovery Test Conditions: I F=0.5A, I R=1.0A, I RR =0.25A. 2.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 3.Unit Mounted on PC board with 5.0 mm2(0.03mm thick) land areas. WEITRON http://www.weitron.com.tw 1.0 0.5 0 25 50 75 100 125 150 I F , INS TANTANE OUS F OR WAR D C UR R E NT (A) I (AV) , AVE R AG E R E C T IF IE D C UR R E NT (A) US1A thru US1M 10 US 1A - US 1D US 1G 1.0 US 1J - US 1M 0.1 0.01 0 0.8 1.2 1.6 2.0 V F , INS TANTANE OUS F OR WAR D V OLTAG E (V ) F IG .2 Tpical F orward C haracteris tics T T , T E R MINAL T E MP E R AT UR E (°C ) F IG .1 F orward C urrent Deratin C urve I F S M, P E AK F OR WAR D S UR G E C UR R E NT (A) 0.4 40 1000 S ingle Half S ine-Wave (J E DE C Method) 100 30 T j = 100°C 10 20 1.0 T j = 25°C 10 0.1 T j = 150°C 0.01 0 1 10 0 100 NUMB E R OF C Y C LE S AT 60Hz F IG . 3 F orward S urge C urrent Derating C urve 20 40 60 80 100 120 140 P E R C E NT OF R AT E D P E AK R E V E R S E V OLTAG E (% ) F IG. . 4 T ypical R evers e C haracteris tics trr +0.5A Device Under Tes t (+) 0A (-) P uls e G enerator (Note 2) 50V DC Approx (-) -0.25A Os cillos cope (Note 1) -1.0A S et time bas e for 50/100 ns /cm F IG. . 5 R evers e R ecovery Time C haracteris tic and Tes t C ircuit WEITRON http://www.weitron.com.tw (+)