SMD Ultra Fast Recovery Rectiers US3AB-HF Thru. US3MB-HF Reverse Voltage: 50 to 1000 Volts Forward Current: 3 Amp RoHS Device Halogen Free SMB/DO-214AA Features - For surface mounted applications. 0.185(4.70) 0.160(4.06) - Low prole package. 0.087(2.20) 0.146(3.70) - Glass passivated chip junction. 0.075(1.90) 0.130(3.30) - Easy to pick and place. - High eciency. 0.213(5.40) 0.200(5.08) 0.012(0.305) Mechanical data 0.006(0.152) 0.096(2.44) - Case: SMB 0.084(2.13) - Terminals: Solderable per MIL-STD-750, 0.059(1.50) method 2026. 0.008(0.20) 0.031(0.80) 0.002(0.05) Circuit Diagram Dimensions in inches and (millimeter) Cathode Anode Maximum Ratings and Electrical Characteristics Ratings at 25 C ambient temperature unless otherwise specied. Single phase, half wave, 60Hz resistive or inductive load, for capacitive load, derate by 20% US3AB US3BB US3DB US3GB US3JB US3KB US3MB Symbols Parameter Units -HF -HF -HF -HF -HF -HF -HF 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 Maximum average forward rectied current IF(AV) 3 A Peak forward surge current, 8.3ms single half sine-wave superimposed IFSM 90 A on rated load Max. instantaneous forward voltage at 3A VF 1.0 1.3 1.68 V Maximum DC reverse current Ta = 25C 5 IR A at rated DC blocking voltage Ta =125 C 100 Maximum reverse recovery time (Note 1) trr 50 75 ns R JA 45 Typical thermal resistance (Note 2) C/W R JC 15 Operating and storage temperature range 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. REV:A QW-JU011 Page 1 Comchip Technology CO., LTD.SMD Ultra Fast Recovery Rectiers Rating and Characteristic Curves (US3AB-HF Thru. US3MB-HF) Fig.1 - Max. Average Forward Current Rating Fig.2 - Typical Reverse Characteristics 4.0 100 3.5 3.0 TJ=125C 10 2.5 2.0 TJ=25C 1.5 1.0 1.0 0.5 Single phase half-wave 60Hz resistive or inductive load 0 0.1 0 25 50 75 100 125 150 0 20 40 60 80 100 120 140 Case Temperature, ( C) Percent of Rated Peak Reverse Voltage, (%) Fig.4 - Maximum Non-Repetitive Peak Fig.3 - Typical Forward Characteristic Forward Surge Current 10 120 TJ=25C US3AB-HF~ 100 US3DB-HF 1.0 80 US3GB-HF 0.1 60 40 US3JB-HF~US3MB-HF 0.01 20 8.3ms single half sine wave (JEDEC Method) 0.001 0 0 0.5 1.0 1.5 2.0 2.5 1 10 100 Instantaneous Forward Voltage, (V) Number of Cycles Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JU011 Page 2 Comchip Technology CO., LTD. Instantaneous Forward Current, (A) Average Forward Current, (A) Peak Forward Surge Current, (A) Instantaneous Reverse Current, ( A)