unisonic technologies co., ltd u30d40d preliminary fast recovery epitaxial diode www.unisonic.com.tw 1 of 3 copyright ? 2015 unisonic technologies co., ltd qw-r201-092.a switchmode dual ultrafast power rectifier ? description the utc u30d40d is a switchmode dual ultrafast power rectifier, it uses utc?s advanced technology to provide customers with high current capability, low forward volt age drop and high switching speed, etc. the utc u30d40d is suitable for switching power supplies, inverters and as free wheeling diodes, etc. ? features * low forward voltage drop * high switching speed * high current capability * high surge capacity * low power loss ? symbol to-247 1 ? ordering information ordering number package packing lead free halogen free U30D40DL-T47-T u30d40dg-t47-t to-247 tube U30D40DL-T47-T (1)packing type (2)package type (1) t: tube (2) t47: to-247 (3) l: lead free, g: halogen free and lead free (3)green package ? marking
u30d40d preliminary fast recovery epitaxial diode unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r201-092.a ? absolute maximum ratings parameter symbol ratings unit dc blocking voltage v r 400 v working peak reverse voltage v rwm 400 v peak repetitive reverse voltage v rrm 400 v rms reverse voltage v r ( rms ) 280 v average rectified forward current t c =125c per leg i f(av) 15 a per total device 30 a peak repetitive forward current (rate v r , square wave, 20khz, t c =125c) i fm 30 a non-repetitive peak surge current (surge applied at rate load conditions halfware, single phase, 60hz) i fsm 250 a junction temperature t j -65~+150 c storage temperature t stg -65~+150 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics parameter symbol test conditions min typ max unit instantaneous forward voltage v f i f =15a, t c =25c 1.30 v i f =15a, t c =100c 1.16 v instantaneous reverse current i r rated dc voltage, t c =25c 10 a rated dc voltage, t c =125c 700 a reverse recovery time (note 2) t r r 50 ns junction capacitance (note 1) c j 150 pf notes: 1. measured at 1.0mhz and ap plied reverse voltage of 4.0v dc. 2. reverse recovery test conditions: i f =0.5a, i r =1a, irr=0.25a.
u30d40d preliminary fast recovery epitaxial diode unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r201-092.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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