UF2AF THRU UF2MF SURFACE MOUNT ULTRA FAST RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current - 2.0 Amperes SMAF FEATURES The plastic package carries Underwriters Laboratory 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 260 C/10 seconds at terminals Glass passivated chip junction Cathode Band Top View 0.110(2.80) 0.094(2.40) 0.059(1.50) 0.051(1.30) 0.144(3.65) 0.128(3.25) 0.012(0.30) 0.006(0.15) 0.055(1.40) 0.043(1.10) 0.047(1.20) 0.028(0.70) MECHANICAL DATA Case: JEDEC SMAF molded plastic body over passivated chip Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.0018 ounce, 0.064 grams 0.189(4.80) 0.173(4.40) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%. MDD Catalog Number SYMBOLS Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TL=55 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 2.0A Maximum DC reverse current TA=25 C at rated DC blocking voltage TA=100 C Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) Typical thermal resistance (NOTE 3) Operating junction and storage temperature range VRRM VRMS VDC UF2AF UF2BF UF2DF UF2GF UF2JF UF2KF UF2MF 50 35 50 100 70 100 200 140 200 400 280 400 600 420 600 800 560 800 1000 700 1000 UNITS VOLTS VOLTS VOLTS I(AV) 2.0 Amps IFSM 50.0 Amps VF 1.0 1.7 5.0 50.0 IR trr 1.4 50 CJ RθJA TJ,TSTG Note: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 MDD ELECTRONIC µA 75 20.0 50.0 -50 to +150 Volts ns pF C/W C FIG. 1- FORWARD CURRENT DERATING CURVE 2.0 1.6 1.2 Single Phase Half Wave 60Hz Resistive or inductive Load 0.8 0.4 0 0 25 50 75 100 125 150 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES RATINGS AND CHARACTERISTIC CURVES UF2AF THRU UF2MF FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 40 30 20 10 175 0 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 1 10 AMBIENT TEMPERATURE, C TJ=25 C PULSE WIDTH=300 µs 1%DUTY CYCLE 1 0.1 UF2AF-UF2DF UF2GF UF2JF-UF2MF 0.01 0.2 0.6 1.0 1.4 1.8 2.0 FIG. 4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT,AMPERES FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 1,000 100 TJ=100 C 10 1 TJ=25 C 0.1 0.01 INSTANTANEOUS FORWARD VOLTAGE, VOLTS TJ=25 C 10 TRANSIENT THERMAL IMPEDANCE, C/W FIG. 5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, pF 0 20 40 60 80 FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE 100 10 1 0.1 0.01 0.1 1 10 1 0.1 1.0 10 100 PERCENT OF PEAK REVERSE VOLTAGE,% 200 100 100 NUMBER OF CYCLES AT 60 Hz 100 REVERSE VOLTAGE,VOLTS MDD ELECTRONIC t,PULSE DURATION,sec. 100