unisonic technologies co., ltd utd408 power mosfet www.unisonic.com.tw 1 of 6 copyright ? 2008 unisonic technologies co., ltd qw-r502-184.a n-channel enhancement mode ? features * r ds(on) = 18m ? @v gs = 10 v * low capacitance * optimized gate charge * fast switching capability * avalanche energy specified ? symbol 1.gate 3.source 2.drain *pb-free plating product number: utd408l ? ordering information ordering number pin assignment normal lead free plating package 1 2 3 packing utd408-tn3-r utd408l-tn3-r to-252 g d s tape reel utd408-tn3-t UTD408L-TN3-T to-252 g d s tube
utd408 power mosfet unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-184.a ? absolute maximum ratings (t a = 25c, unless otherwise specified) parameter symbol ratings unit drain-source voltage v dss 30 v gate-source voltage v gss 20 v continuous drain current (t c =25c) i d 18 a pulsed drain current i dm 40 a avalanche current i ar 18 a repetitive avalanche energy (l=0.1mh) e ar 40 mj power dissipation (t c =25c) p d 60 w junction temperature t j +175 c strong temperature t stg -55 ~ +175 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stre ss ratings only and functional dev ice operation is not implied. ? thermal data parameter symbol min typ max unit junction-to-ambient ja 40 50 c/w ? electrical characteristics (t j =25c, unless otherwise specified) parameter symbol test conditions min typ max unit off characteristics drain-source breakdown voltage bv dss v gs =0 v, i d =250a 30 v drain-source leakage current i dss v ds =24v, v gs =0 v 1 a gate-body leakage current i gss v ds =0 v, v gs = 20v 100 na on characteristics gate threshold voltage v gs(th) v ds =v gs , i d =250 a 1 1.8 2.5 v on state drain current i d(on) v ds =5v, v gs =4.5v 40 a v gs =10v, i d =18a 13.6 18 m ? static drain-source on-resistance r ds(on) v gs =4.5v, i d =10a 20.6 27 m ? dynamic parameters input capacitance c iss 1040 1250 output capacitance c oss 180 reverse transfer capacitance c rss v ds =15 v, v gs =0v, f=1mhz 110 pf switching parameters turn-on delay time t d(on) 4.5 turn-on rise time t r 3.9 turn-off delay time t d(off) 17.4 turn-off fall-time t f v gs =10v,v ds =15v,r l =0.82 ? , r gen =3 ? 3.2 ns total gate charge q g 19.8 25 gate source charge q gs 2.5 gate drain charge q gd v ds =15v, v gs =10v, i d =18a 3.5 nc source- drain diode ratings and characteristics drain-source diode forward voltage v sd i s =1a,v gs =0v 0.75 1 v maximum continuous drain-source diode forward current i s 18 a body diode reverse recovery time t rr i f =18 a, di/dt=100a/ s 19 25 ns body diode reverse recovery charge q rr i f =18 a, di/dt=100a/ s 8 nc notes: 1. pulse width limited by t j(max) 2. pulse width 300us, duty cycle 2%.
utd408 power mosfet unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-184.a ? typical characteristics drain current,i d (a) drain current,i d (a) v gs =4.5v i d =18a v gs =10v 1.6 1.4 1.2 1 0.8 02550 75 175 150 125 100 20 15 10 5 0 10 12 14 16 18 20 22 24 drain current,i d (a) on-resistance vs. drain current and gate voltage on-resistance vs. junction temperature junction temperature ( ) v gs =10v v gs =4.5v 25 125 i d =18a 125 25 50 40 30 20 10 246 8 10 0.00.20.40.60.81.0 1.0e-05 1.0e-04 1.0e-03 1.0e-02 1.0e-01 1.0e+00 1.0e+01 gate to source voltage,v gs (v) body diode forward voltage,v sd (v) body-diode characteristics on-resistance vs. gate-source voltage
utd408 power mosfet unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-184.a ? typical characteristics(cont.) gate to source voltage,v gs (v) c a p a c i t a n c e ( p f ) power (w) drain current,i d (a) normalized transient thermal resistance,z , ja
utd408 power mosfet unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-184.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 writ ten 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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