UF3A DC COMPONENTS CO., LTD. R THRU RECTIFIER SPECIALISTS UF3K TECHNICAL SPECIFICATIONS OF SURFACE MOUNT ULTRA FAST RECTIFIER VOLTAGE RANGE - 50 to 800 Volts CURRENT - 3.0 Amperes FEATURES * ldeal for surface mounted applications * Low leakage current * Glass passivated junction SMC ( DO-214AB ) MECHANICAL DATA .128(3.25) .108(2.75) * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant *Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 * Polarity: As marked * Mounting position: Any * Weight: 0.24 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) SYMBOL UF3A UF3B UF3D UF3G UF3J UF3K UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 Volts Maximum RMS Voltage VRMS 35 70 140 280 420 560 Volts VDC 50 100 200 400 600 800 Volts Maximum DC Blocking Voltage Maximum Average Forward Rectified Current T A = 75oC Peak Forward Surge Current I FM(surge): 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum Forward Voltage at 3.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 3) Typical Thermal Resistance (Note 2) Typical Junction Capacitance (Note 1) Operating and Storage Temperature Range IO IR trr RθJL CJ T J , T STG NOTES : 1. Measured at 1.0 MHz and applied average voltage of 4.0VDC 2. Thermal Resistance (Junction to Ambient), 0.2x0.2in2 (5X5mm2 )copper pads to each terminal. 3. Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A. Amps 100 I FSM VF @T A = 25 o C @T A = 125 o C 3.0 1.0 Amps 1.4 10 300 50 10 60 -65 to + 175 1.7 Volts uAmps nSec 0 C/ W pF 0 C RATING AND CHARACTERISTIC CURVES ( UF3A THRU UF3K ) DC COMPONENTS CO., LTD. R