number: db - 093 apr. 2 010 / b page 1 p rel i mi nary d ata sh eet her301 thru her308 3.0 amp. ultrafast rectifier s gpp voltage: 50 to 1000 v current : 3.0 a specification features: case: epoxy, molded weight: 1.2 gram (appro ximately) high current capability, low leakage current high surge current capability finish: all external surfaces corrosion resistant and terminal leads are readily solderable lead and mounting surface temperature for soldering purposed: 260 max. fo r 10 seconds 1 / 16 inch from case rohs compliant cathode i ndicated b y p olarity b and absolute maximum ratings t a = 25c unless otherwise noted parameter symb ol her 301 her 302 her 303 her 304 her 305 her 306 her 307 her 308 un its maximum repetitive peak reverse voltage v rrm 50 100 200 300 400 600 800 1000 v maximum dc blocking voltage v r 50 100 200 300 400 600 800 1000 v maximum average forward rectifier current. (0.375 lead length @ t a =75 ) i f(av) 3.0 a non - repetitive peak forward surge current. (8.3ms single half sine - wave) i fsm 150 a operating junction and storage temperature range t j, t stg - 65 to +1 50 c thermal resistance (junction to ambient) (note 1) r ja 20 c /w electrica l characteristics t a = 25c unless otherwise noted parameter symb ol her 301 her 302 her 303 her 304 her 305 her 306 her 307 her 308 units reverse current @v r i r 5 ua forward voltage @3a v f 1.0 1.3 1.7 v maximum reverse recovery time ( note 2) t rr 50 75 ns total capacitance @vr=4v, f=1mhz c t 50 pf note: ( 1 ) thermal resistance from junction to ambient at 0.375 lead length, vertical p.c. board mounted ( 2 ) reverse recovery test condit i ons: i f =0.5a, i r =1.0a, i rr =0.25a axial lead do - 201ad her301 through her308 series device marking diagram her3 xx : device name her301 ~ her308 kel : kel logo her3 x x kel
number: db - 093 apr. 2 010 / b page 2 p rel i mi nary d ata sh eet package outline packag e case outline do - 2 01ad d o - 2 01ad millimeters inches dim min max min max a 1.18 1.30 0.046 0.052 b 7.20 9.60 0.285 0.375 c 25.40 --- 1.000 --- d 4.80 5.30 0 .190 0. 210 a d b c
number: db-111 april 29, 2008 / a disclaimer notice notice the information presented in this document is for reference only. tak cheong reserves the right to make changes without notice for the specification of the products displayed herein. the product listed herein is designed to be used with ordinary electronic equipment or devices, and not designed to be used with equipment or devices which require high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), tak cheong semiconductor co., ltd., or anyone on its behalf, as sumes no responsibility or liability for any damagers resulting from such improper use of sale. this publication supersedes & replaces all information previously supplied. for additional information, please visit our website http://www.takcheong.com , or consult your nearest tak cheong?s sales office for further assistance.
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