US1A THRU US1M SURFACE MOUNT ULTRA FAST RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current - 1.0 Ampere FEATURES SMA ◆The plastic package carries Underwriters Flammability Classification 94V-0 ◆For surface mounted applications ◆Ultra fast switching for high efficiency ◆Low reverse leakage ◆Built-in strain relief, ideal for automated placement ◆High forward surge current capability ◆High temperature soldering guaranteed 250℃/10 seconds at terminals MECHANICAL DATA Cases : JEDEC SMA molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.003 ounce, 0.093 grams Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25℃ ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%. SYMBOLS Maximum repetitive peak reverse voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum average forward rectified current at TL=55℃ Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) VRRM VRMS VDC I(AV) US1A US1B Maximum DC reverse current TA=25℃ at rated DC blocking voltage TA=100℃ Typical junction capacitance (NOTE 2) Typical thermal resistance (NOTE 3) Operating junction and storage temperature range US1J US1K US1M UNITS 50 100 200 400 600 800 1000 VOLTS 70 140 280 420 560 700 VOLTS 50 100 200 400 600 800 1000 VOLTS IFSM 1.0 trr CJ RqJA TJ ,TSTG 1.0 Amp 30.0 Amps 1.4 1.7 5.0 50 IR Maximum reverse recovery time (NOTE 1) US1G 35 VF Maximum instantaneous forward voltage at 1.0A US1D Volts μA 50 75 15.0 50.0 -65 to +150 ns pF ℃/W ℃ Notes: 1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A 2.Measured at 1MHz and applied reverse voltage of 4.0V D.C. 3.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas . Website: www.kingtronics.com Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 1 US1A THRU US1M RATINGS AND CHARACTERISTIC CURVES US1A THRU US1M Website: www.kingtronics.com Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 2