unisonic technologies co., ltd 2SK545 preliminary jfet www.unisonic.com.tw 1 of 3 copyright ? 2012 unisonic technologies co., ltd qw-r216-102.a impedance converter applications ? description the utc 2SK545 is an n-channel junction field effect transistor. it uses utc?s advanced technology to provide customers low c iss and low i gss . the utc 2SK545 is suitable for infrared sensor and impedance converter applications. ? features * low input capacitance * low gate-source leakage current sot-23 (to-236) 1 2 3 ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 3 2SK545l-xx-ae3-r 2SK545g-xx-a e3-r sot-23 d s g tape reel 2SK545l-xx-ae3-r (1) packing type (2) package type (3) rank (4) halogen free (1) r: tape reel (2) ae3: sot-23 (3) xx: refer to classification of l dss (4) g: halogen free, l: lead free ? marking
2SK545 preliminary jfet unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r216-102.a ? absolute maximum ratings (t a =25c, unless otherwise specified) parameter symbol ratings unit drain-source voltage v dss 40 v gate-drain voltage v gds -40 v gate current i g 10 ma drain current i d 1 ma power dissipation p d 125 mw junction temperature t j 150 c storage temperature t stg -55 ~ +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 (t a =25c, unless otherwise specified) parameter symbol test conditions min typ max unit gate-to-drain breakdown voltage v ( br ) gds i d =-10a, v ds =0v -40 v gate-to-source leakage current i gss v gs =-20v, v ds =0v -500 pa zero-gate voltage drain current i dss v ds =10v, v gs =0v 30 300 a cutoff voltage v gs ( off ) v ds =10v, i d =1a -1.5 -4.0 v forward transfer admittance |yfs| v gs =0v, v ds =10v, f=1.0khz 0.05 0.13 ms input capacitance c iss v gs =0v, v ds =10v, f=1.0mhz 1.7 pf reverse transfer capacitance c rss 0.7 pf ? classification of i dss rank b10 b11 b12 range 30~80 60~180 150~300
2SK545 preliminary jfet unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r216-102.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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