unisonic technologies co., ltd umur820 preliminary diode www.unisonic.com.tw 1 of 3 copyright ? 2013 unisonic technologies co., ltd qw-r601-105.a switchmode power rectifiers ? description the utc umur820 is a switchmode power rectifiers, it uses utc?s advanced technology to provide customers with low forward voltage and low leakage current, etc. the utc umur820 is suitable for free inverters and switching power supplies, etc. ? features * low forward voltage * low leakage current ? symbol ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 3 UMUR820L-TA2-T umur820g-ta2-t to-220-2 k a nc tube note: pin assignment: a: anode, k: cathode UMUR820L-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
umur820 preliminary diode unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r601-105.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 current per total device, (rated v r ), t c =150c i f(av) 8.0 a peak repetitive forward current (rated v r , square wave, 20khz), t c =150c i fm 16 a non-repetitive peak surge current (surge applied at rated load conditions halfwave, single phase, 60hz) i fsm 100 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 ambient ja 73 c/w junction to case jc 3.0 c/w ? electrical characteristics parameter symbol test conditions min typ max unit instantaneous forward voltage (note 1) v f i f =8.0a, t c =25c 0.975 v i f =8.0a, t c =150c 0.895 v instantaneous reverse current (note 1) i r rated dc voltage, t j =25c 5.0 a rated dc voltage, t j =150c 250 a reverse recovery time t rr i f =1.0a, di/dt=50a/s 58 ns i f =0.5a, i r =1.0a, i rec =0.25a 53 ns note: pulse test: pulse width=300s, duty cycle 2.0%.
umur820 preliminary diode unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r601-105.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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