US1AF THRU US1MF SURFACE MOUNT ULTRAFAST RECOVERY RECTIFIER Reverse Voltage - 50 to 1000 V Forward Current - 1 A SMAF FEATURES • For surface mounted applications • Low profile package • Glass Passivated Chip Juntion • Easy to pick and place • High efficiency • Lead free in comply with EU RoHS 2011/65/EU directives Cathode Band Top View 0.110(2.80) 0.094(2.40) 0.059(1.50) 0.051(1.30) 0.150(3.80) 0.128(3.25) 0.012(0.30) 0.006(0.15) 0.055(1.40) 0.035(0.90) MECHANICAL DATA • Case: SMAF • Terminals: Solderable per MIL-STD-750, Method 2026 • A pprox. Weight: 27mg 0.00086oz 0.047(1.20) 0.028(0.70) 0.199(5.05) 0.179(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 60 Hz, resistive or inductive load, for capacitive load current derate by 20 %. Symbols US1AF US1BF US1DF US1GF US1JF US1KF Maximum Repetitive Peak Reverse Voltage V RRM 50 100 200 400 600 800 1000 V Maximum RMS voltage V RMS 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage V DC 50 100 200 400 600 800 1000 V Maximum Average Forward Rectified Current at Ta = 65 °C I F(AV) 1 A Peak Forward Surge Current 8.3 ms Single Half Sine Wave Superimposed on Rated Load (JEDEC Method) I FSM 30 A Maximum Instantaneous Forward Voltage at 1 A VF Parameter Maximum DC Reverse Current at Rated DC Blocking Voltage Ta = 25 °C Ta =125 °C Maximum Reverse Recovery Time 1） Typical Thermal Resistance Operating and Storage Temperature Range 1.4 1.0 1.7 5 100 IR t rr V μA 75 50 US1MF Units ns RθJA 180 °C/W T j , T stg -55 ~ +150 °C 1）Measured with I F = 0.5 A, I R = 1 A, I rr = 0.25 A 1 US1AF THRU US1MF SURFACE MOUNT ULTRAFAST RECOVERY RECTIFIER Reverse Voltage - 50 to 1000 V Forward Current - 1 A Fig.2 Typical Reverse Characteristics 1.2 Instaneous Reverse Current ( μ A) Average Forward Current (A) Fig.1 Forward Current Derating Curve 1.0 0.8 0.6 0.4 Single phase half-wave 60 Hz resistive or inductive load 0.2 0.0 25 75 50 100 125 150 175 100 T J =125°C 10 1.0 T J =25°C 0.1 00 Ambient Temperature (°C) 20 T J =25°C pulse with 300μs 1% duty cycle 1.0 0.1 0.01 0.0 US1AF~US1DF US1GF US1JF~US1MF 0.5 1.0 1.5 40 60 80 100 Fig.4 Maximum Non-Repetitive Peak Forward Surage Current Peak Forward Surage Current (A) Instaneous Forward Current (A) Fig.3 Typical Instaneous Forward Characteristics 10 20 percent of Rated Peak Reverse Voltage (%) 2.0 30 25 20 15 10 8.3 ms Single Half Sine Wave (JEDEC Method) 05 00 1 2.5 Instaneous Forward Voltage (V) 10 Number of Cycles 2 100