unisonic technologies co., ltd b540c advance diode www.unisonic.com.tw 1 of 3 copyright ? 2012 unisonic technologies co., ltd qw-r601-071.a 5a surface mount schottky barrier rectifier ? description the utc b540c is a schottky barrier rectifier; it provides the customers high efficiency and low power loss. the utc b540c is suitable for automatic assembly high frequency inverters and low voltage application, etc ? features * high efficiency * low power loss ? symbol 21 k a smc + - ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 B540CL-SMC-R b540cg-smc-r smc k a tape reel note: pin assignment: a: anode, k: cathode B540CL-SMC-R (1)packing type (2)package type (1) r: tape reel (2) smc: smc (3) g: halogen free, l: lead free (3)lead free
b540c advance diode unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r601-071.a ? absolute maximum ratings (t a =25 c, unless otherwise specified) parameter symbol ratings unit maximum peak repetitive reverse voltage v rrm 40 v maximum rms voltage v rms 28 v maximum dc blocking voltage v dc 40 v average rectified output current (t t =90c) i o 5 a peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 175 a operating temperature t j -55~+125 c storage temperature t stg -55~+150 c note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol ratings unit junction to ambient ja 50 c/w note: 8.0mm 2 (0.13mm thick) land pads. ? electrical characteristics (t a =25 c, unless otherwise specified) parameter symbol ratings unit forward voltage i f =5a (note 1) v f 0.55 v dc reverse current at rated dc blocking voltage (note 1) t a =25c i r 0.5 ma t a =100c 20 ma typical total capacitance (note 2) c t 300 pf notes: 1. pulse test pulse width 300 s, duty cycle 2%. 2. measured at 1.0mhz and applied reverse voltage of 4.0v.
b540c advance diode unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r601-071.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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