unisonic technologies co., ltd SK54 preliminary diode www.unisonic.com.tw 1 of 3 copyright ? 2013 unisonic technologies co., ltd qw-r601-092.a 5a, 40v schottky rectifier ? description the utc SK54 is a schottky rectifier, it uses utc?s advanced technology to provide the customer s with high current capability and low forward voltage, etc. the utc SK54 is suitable for surface mount applications, etc. ? features * high current capability * low forward voltage ? symbol smb + - ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 SK54l-smb-r SK54g-smb-r smb k a tape reel note: pin assignment: a: anode k: cathode SK54l-smb-r (1)packing type (2)package type (1) r: tape reel (2) smb: smb (3) l: lead free, g:halogen free (3)lead free
SK54 preliminary diode unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r601-092.a ? absolute maximum ratings parameter symbol ratings unit dc blocking voltage v b 40 v rms voltage v rms 28 v recurrent peak reverse voltage v r 40 v junction to lead jl 16 c/w junction to ambient ja 55 c/w storage temperature t stg -55~+150 c operating junction temperature t j -55~+150 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. ? electrical characteristics (t j =25 c unless otherwise specified.) parameter symbol test conditions min typ max unit average forward current i f ( av ) t a =120c 5.0 a peak forward surge current i fsm 8.3ms, half sine 100 a instantaneous forward voltage v f i fm =5.0a, t j =25c 0.55 v dc reverse current at i r t j =25c 1.0 ma rated dc blocking voltage t j =100c 20 ma junction capacitance c j measured at 1.0mhz, v r =4.0v 200 pf notes: pulse test: pulse width 200 sec, duty cycle 2%. high temperature solder exemptions applied.
SK54 preliminary diode unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r601-092.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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