eer ae core Ler eee US1A THRU US1K il i lh SURFACE MOUNT ULTRAFAST RECTIFIER VOLTAGE - 50 TO 800 Volts CURRENT - 1.0 Ampere FEATURES e For surface mounted applications Low profile package SMA/DO-214AC Built-in strain relief * Easy pick and place .055(1.40) T | T t : . _ (062(1.60) + 1 | ! Ultrafast recovery times for high efficiency l 1 0982.50) * Plastic package has Underwriters Laboratory | | 114(2.90) Flammability Classification 94V-O ~~ \ i | 1 I * Glass passivated junction 187(4.00) * High temperature soldering: -181(4. 60) ,008(.152) 260C/10 seconds at terminals / + rr oveho0) | 00) MECHANICAL DATA fiesta 44) Case: JEDEC DO-214AC molded plastic 030(0.76) [.202.051) 051) |! [.2024.051) } Terminals: Solder plated solderable per MIL-STD-750, .060(1.52) oo -008(.203) | 188(4.80) Method 2026 + Fie 208(5 28) Polarity: Indicated by cathode band Standard Packaging: 12mm tape (ElA-481) Dimensions in inches and (millimeters) Weight: 0.002 ounces, 0.064 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. Resistive or inductive load. For capacitive load, derate current by 20%. SYMBOLS US{A US1B US1D USIG US1tJ USiK_ UNITS Maximum Recurrent Peak Reverse Voltage VARM 50 100 200 400 600 800 Volts Maximum RMS Voltage Vams 35 70 140 280 420 560 Volts Maximum DC Blocking Voltage Voc 50 100 200 400 600 800 Volts Maximum Average Forward Rectified Current, at TL. =100C hay) 1.0 Amps Peak Forward Surge Current 8.3ms single half sine-wave superimposed IFSM 30.0 Amps on rated load (JEDEC Method) Ta=55C Maximum Instantaneous Forward Voltage at 1.0A Ve 1.0 | 1.4 | 1.7 Volts Maximum DC Reverse Current Ta= 26C 10.0 at Rated DC Blocking Voltage Ta= 100C In 100 pA Maximum Reverse Recovery Time (note 1) Tu = 25C TRR 50.0 | 100.0 nS Typical Junction Capacitance (NOTE 2) Cu 17.0 pf Maximum Thermal Resistance (NOTE 3) ROEJL 30.0 Ciw Operating and Storage Temperature Range Ta, Tsta -50 to +150 c NOTES: 4, Reverse Recovery Test Conditions: IF=0.5A, IR= 1.0A, Irr=0.25A. 2. Measured at 1.0 MHz and applied reverse voltage of 4.0 volts. 3. 8.0mm? (.013mm thick) land areas. SURGE COMPONENTS, INC. 1016 GRAND BLVD., DEER PARK, NY 11729 PHONE (631) 595-1818 FAX (631) 595-1283 wWww.surgecomponents.com eer ae core Ler eee JUNCTION CAPACITANCE, pF RATING AND CHARACTERISTIC CURVES US1AUS1K 50.0 10. j-trr Noninductive Noninductive 40.54 a 25Vde PULSE 0 = (approx) GENERATOR (-) NOTE 2 ~0.26 in Non OSCILLOSCOPE (+) Inductive NOTE 1 NOTES:1.Rise Time=7ns max. z= -1.0 Input Impedance=1 megohm. 22pF ET TIME 2.Rise Time=10ns max. BASE CCR tem Source impedance=50 Ohms 10ns/cm Fig. 1- REVERSE RECOVERY TIME.CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 10 USIA TYPICAL USIG a0 10 ~US1IK a SINGLE PHASE ' x r HALE WAVE a c sOHz <x B RESISTIVE OR 7 INDUCTIVE LOAD = aw P.C.B MOUNTED 4 aL uw ON 0,315x0.315"(8.0x8.0mm) ~ ou COPPER PAD AREAS 0.4 =i 1.0 a x of ie N 8 N <= cc 01 . y 9 2 4 6 8 10 12 14 = 25 50 75 100 125 150 175 LEAD TEMPERATURE. C Fig. 2- FORWARD CHARACTERISTICS Fig. 3- FORWARD CURRENT DERATING CURVE 30 T2265 GC {=1.0 MHz Vsig=50mVp-p wW 25 ~] en Iw 8.3ms Single Half Sine -Wave z w 20 Pe JEDEG Method + i Sed ak p~S Ss ois hs 2. ze a nn u 10 ee ee ant Hs oA 1 10 100 5 REVERSE VOLTAGE, VOLTS 2 5 10 20 50 100 Fig. 4 TYPICAL JUNCTION CAPACITANCE , NUMBER OF GYGLES AT 60Hz Fig. 5- PEAK FORWARD SURGE CURRENT SURGE COMPONENTS, INC. 1016 GRAND BLVD., DEER PARK, NY 11729 PHONE (631) 595-1818 FAX (631) 595-1283 wWww.surgecomponents.com