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US1BF Dataheets PDF



Part Number US1BF
Manufacturers MDD
Logo MDD
Description SURFACE MOUNT ULTRA FAST RECTIFIER
Datasheet US1BF DatasheetUS1BF Datasheet (PDF)

US1AF THRU US1MF SURFACE MOUNT ULTRA FAST RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current - 1.0 Ampere 0.106(2.70) 0.094(2.40) 0.051(1.30) 0.043(1.10) SMAF Cathode Band Top View 0.063(1.60) 0.051(1.30) 0.146(3.7) 0.130(3.3) 0.0091(0.23) 0.0071(0.18) 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 automat.

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US1AF THRU US1MF SURFACE MOUNT ULTRA FAST RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current - 1.0 Ampere 0.106(2.70) 0.094(2.40) 0.051(1.30) 0.043(1.10) SMAF Cathode Band Top View 0.063(1.60) 0.051(1.30) 0.146(3.7) 0.130(3.3) 0.0091(0.23) 0.0071(0.18) 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 0.051(1.30) 0.039(1.0) MECHANICAL DATA 0.193(4.90) 0.173(4.40) Dimensions in inches and (millimeters) 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 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 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 1.0A 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 SYMBOLS US1AF US1BF US1DF US1GF US1JF US1KF US1MF UNITS VRRM VRMS VDC 50 35 50 100 200 400 600 800 1000 VOLTS 70 140 280 420 560 700 VOLTS 100 200 400 600 800 1000 VOLTS I(AV) 1.0 Amp IFSM VF IR trr CJ RθJA TJ,TSTG 30.0 1.0 50 1.4 5.0 50.0 15.0 50.0 -50 to +150 1.7 75 Amps Volts µA ns pF C/W C 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 RATINGS AND CHARACTERISTIC CURVES US1AF THRU US1MF AVERAGE FORWARD RECTIFIED CURRENT, AMPERES INSTANTANEOUS FORWARD CURRENT,AMPERES FIG. 1- FORWARD CURRENT DERATING CURVE 1.0 0.8 0.6 0.4 Single Phase Half Wave 60Hz Resistive or inductive Load 0.2 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, C FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 TJ=25 C PULSE WIDTH=300 µs 1%DUTY CYCLE 1 0.1 US1AF-US1DF US1GF US1JF-US1MF 0.01 0.2 0.6 1.0 1.4 1.8 2.0 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG. 5-TYPICAL JUNCTION CAPACITANCE 200 100 TJ=25 C 10 1 0.1 1.0 10 100 REVERSE VOLTAGE,VOLTS TRANSIENT THERMAL IMPEDANCE, C/W INSTANTANEOUS REVERSE CURRENT, MICROAMPERES PEAK FORWARD SURGE CURRENT, AMPERES FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 25 20 15 10 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 5.0 1 10 NUMBER OF CYCLES AT 60 Hz 100 FIG. 4-TYPICAL REVERSE CHARACTERISTICS 1,000 100 TJ=100 C 10 1 TJ=25 C 0.1 0.01 0 20 40 60 80 100 PERCENT OF PEAK REVERSE VOLTAGE,% FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE 100 10 1 0.1 0.01 0.1 1 10 t,PULSE DURATION,sec. 100 JUNCTION CAPACITANCE, pF .


US1AF US1BF US1DF


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