unisonic technologies co., ltd mbr145 preliminary diode www.unisonic.com.tw 1 of 3 copyright ? 2014 unisonic technologies co., ltd qw-r601-200.c 1.0a schottky barrier rectifier ? description the utc mbr145 is a 1.0a schottky barrier rectifier, it uses utc?s advanced technology to provide the customers with high surge capability, high efficiency, high current capability, low power loss and low forward voltage drop, etc. the utc mbr145 is suitable for free wheeling and polarity protection, etc. ? features * low reverse current * low stored charge, majority carrier conduction * low power loss/high efficiency * highly stable oxide passivated junction ? symbol do-41 sod-123 sod-323 + - + - ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 mbr145l-ca2-r mbr145g-ca2-r sod-123 k a tape reel MBR145L-CB2-R mbr145g-cb2-r sod-323 k a tape reel mbr145l-z41-r mbr145g-z41-r do-41 k a tape reel note: pin assignment: a: anode, k: cathode (1) r: tape reel (2) ca2: sod-123, cb2: sod-323, z41: do-41 (3) l: lead free, g: halogen free sb145l-ca2-r (1)packing type (2)package type (3)lead free ? marking information package marking sod-123 sod-323 do-41 mbr145 date code l: lead free g: halogen free cathode band for uni-directional only
mbr145 preliminary diode unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r601-200.c ? absolute maximum rating (t a =25c, unless otherwise specified) parameter symbol ratings unit peak repetitive reverse voltage v rrm 45 v working peak reverse voltage v rwm 45 v dc blocking voltage v r 45 v rms reverse voltage v r ( rms ) 31.5 v average rectified forward current (rated vr-20khz square wave) - 50% duty cycle i o 1.0 a non-repetitive peak forward surge current 8.3ms single half sine-wave i fsm 30 a typical junction capacitance c j 650 pf junction temperature t j -65~+150 c storage temperature t stg -65~+150 c notes: 1. 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. 2. pulse width 300 s, duty cycle 2%. ? thermal data parameter symbol ratings unit junction to ambient sod-123 ja 200 c/w sod-323 500 do-41 50 ? electrical characteristics parameter symbol test conditions min typ max unit instantaneous forward voltage drop (note 3) v f i f =1.0a, t c =25c 0.70 v i f =1.0a, t c =125c 0.65 instantaneous reverse current (note 3) i r rated dc voltage, t c =25c 500 ma rated dc voltage, t c =125c 10 notes: 1. absolute maximum ratings are those valu es beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. 2. 2.0 s pulse width, f = 1.0khz. 3. pulse test: pulse width=300s, duty cycle 2.0%. 4. applied v r = 4.0v and f = 1.0mhz.
mbr145 preliminary diode unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r601-200.c 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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