unisonic technologies co., ltd umur2020 preliminary diode www.unisonic.com.tw 1 of 3 copyright ? 2013 unisonic technologies co., ltd qw-r601-102.a switchmode ultrafast power rectifier ? description the utc umur2020 is a switchmode ultrafast power rectifier, it uses utc?s advanced technology to provide customers with low forward voltage drop and high surge capacity, etc. the utc umur2020 is suitable for instrumentation and power management, etc ? features * low forward voltage drop * high efficiency * low power loss * high surge capacity ? symbol ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 3 UMUR2020L-TA2-T umur2020g-ta2-t to-220-2 k a nc tube note: pin assignment: a: anode, k: cathode UMUR2020L-TA2-T (1)packing type (2)package type (1) t: tube (2) ta2: to-220-2 (3) l: lead free, g: halogen free (3)halogen free
umur2020 preliminary diode unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r601-102.a ? absolute maximum ratings parameter symbol ratings unit dc blocking voltage v r 200 v working peak reverse voltage v rwm 200 v peak repetitive reverse voltage v rrm 200 v average rectified forward voltage (rated v r ), t c =125c i f ( av ) 20 a peak repetitive forward current (rated v r ), t c =125c i frm 40 a non-repetitive peak surge current (surge applied at rated load conditions halfwave, single phase, 60hz) i fsm 250 a operating junction temperature t j -65~+175 c storage temperature t stg -65~+175 c note: absolute maximum ratings are those values beyond which the device coul d be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal characteristics parameter symbol ratings unit junction to case jc 2.0 c/w junction to ambient ja 70 c/w ? electrical characteristics parameter symbol test conditions min typ max unit instantaneous forward voltage (note 1) v f i f =20a, t j =25c 0.97 1.1 v i f =20a, t j =150c 0.79 1.0 v instantaneous reverse current (note 1) i r rated dc voltage, t j =25c 0.1 50 a rated dc voltage, t j =150c 0.225 1.0 ma reverse recovery time t rr i f =1.0a, di/dt=50a/s 95 ns i f =1.0a, di/dt=100a/s 75 ns note: pulse test: pulse width=5.0ms, duty cycle 10%
umur2020 preliminary diode unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r601-102.a utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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