SMD Ultra Fast Recovery Rectifiers US2A-HF Thru. US2M-HF Reverse Voltage: 50 to 1000 Volts Forward Current: 2 Amp RoHS Device Halogen Free Features SMA/DO-214AC - For surface mounted applications. - Low profile package. 0.177(4.50) 0.157(4.00) - Glass passivated chip junction. - Easy to pick and place. 0.063(1.60) 0.051(1.30) - High efficiency. 0.106(2.70) 0.091(2.30) 0.205(5.20) 0.185(4.70) Mechanical data 0.012(0.31) 0.006(0.15) - Case: SMA 0.087(2.20) 0.075(1.90) - Terminals: Solderable per MIL-STD-750, method 2026. 0.059(1.50) 0.035(0.90) 0.012(0.30) Typ. Circuit Diagram Dimensions in inches and (millimeter) Anode Cathode Maximum Ratings and Electrical Characteristics Ratings at 25C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz resistive or inductive load, for capacitive load, derate by 20% Symbols US2A -HF US2B -HF US2D -HF US2G -HF US2J -HF US2K -HF US2M -HF Units Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 V Parameter Maximum average forward rectified current at Tc =125C Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load IF(AV) 2 A IFSM 50 A Max. instantaneous forward voltage at 2A VF Maximum DC reverse current at rated DC blocking voltage IR Ta = 25C Ta =125C Maximum reverse recovery time (Note 1) Typical thermal resistance (Note 2) Operating and storage temperature range 1.0 1.3 1.65 5 100 trr A 75 50 V ns RJA RJC 65 20 C/W Tj, Tstg -55 ~ +150 C Notes: 1. Measured with IF = 0.5A, IR = 1A, Irr = 0.25A. 2. P.C.B. mounted with 2.0" x 2.0" (5 x 5 cm) copper pad areas. Company reserves the right to improve product design , functions and reliability without notice. QW-JU010 REV:A Page 1 Comchip Technology CO., LTD. SMD Ultra Fast Recovery Rectifiers Rating and Characteristic Curves (US2A-HF Thru. US2M-HF) Fig.1 - Forward Current Derating Curve Fig.2 - Typical Reverse Characteristics 100 Instantaneous Reverse Current, (A) Average Forward Current, (A) 3.0 2.5 2.0 1.5 1.0 0.5 Single phase half-wave 60Hz resistive or inductive load 0 0 25 50 75 100 125 10 TJ=25C 1.0 0.1 150 0 20 40 60 80 100 120 140 Case Temperature, (C) Percent of Rated Peak Reverse Voltage, (%) Fig.3 - Typical Forward Characteristic Fig.4 - Maximum Non-Repetitive Peak Forward Surge Current 60 10 TJ=25C Peak Forward Surge Current, (A) Instantaneous Forward Current, (A) TJ=125C US2A-HF~US2D-HF 1.0 US2G-HF 0.1 US2J-HF~US2M-HF 0.01 0.001 0 0.5 1.0 1.5 2.0 2.5 50 40 30 20 10 8.3ms single half sine wave (JEDEC Method) 0 1 Instantaneous Forward Voltage, (V) 10 100 Number of Cycles Company reserves the right to improve product design , functions and reliability without notice. QW-JU010 REV:A Page 2 Comchip Technology CO., LTD. SMD Ultra Fast Recovery Rectifiers Reel Taping Specification d P0 T P1 E Index hole F B W C P A 12 o 0 D1 D2 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 160mm (min) Start 400mm (min) Direction of Feed DO-214AC (SMA) SYMBOL A B C d D D1 D2 (mm) 2.70 0.10 5.33 0.10 2.35 0.10 1.55 0.05 330 2.00 75.00 1.00 13.00 0.20 (inch) DO-214AC (SMA) 0.106 0.004 0.210 0.004 0.093 0.004 0.061 0.002 12.992 0.079 2.953 0.039 0.512 0.008 SYMBOL E F P P0 P1 T W W1 (mm) 1.75 0.10 5.50 0.05 4.00 0.10 4.00 0.10 2.00 0.10 0.20 0.03 12.00 0.30 14.70 + 2.00 - 1.00 0.008 0.001 0.472 0.012 0.579 + 0.079 - 0.039 (inch) 0.069 0.004 0.217 0.002 0.157 0.004 0.157 0.004 0.079 0.004 Company reserves the right to improve product design , functions and reliability without notice. QW-JU010 REV:A Page 3 Comchip Technology CO., LTD. SMD Ultra Fast Recovery Rectifiers Marking Code Part Number Marking Code US2A-HF US2A US2B-HF US2B US2D-HF US2D US2G-HF US2G US2J-HF US2J US2K-HF US2K US2M-HF US2M XXXX Product type marking code Cathode band xxxx = Product type marking code Suggested PAD Layout D DO-214AC (SMA) SIZE A (mm) (inch) A 2.40 0.094 B 1.80 0.071 C 1.80 0.071 D 6.00 0.236 C B Note: 1. The pad layout is for reference purpose only. Standard Packaging REEL PACK Case Type DO-214AC (SMA) REEL Reel Size ( pcs ) (inch) 5,000 13 Company reserves the right to improve product design , functions and reliability without notice. QW-JU010 REV:A Page 4 Comchip Technology CO., LTD.