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128 resistors power flame proof resistors operating temperature -55c to +155c 0.5w to 4w the DFR series is available in power ratings from 0.5w to 4w with tolerances of 5% (e24) and 1% (e24 & e96) d h h l d DFR 050 j 75r t power rating t olerance v alue packaging option packaging in ohms ordering informa tion outline dra wing range section 4 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: + 4 4 ( 0 ) 1724 408700 flame proof - - l ?d h ?d d fr0 5 0 3 . 4 0 . 3 1 . 9 0 . 2 28 2 . 0 0 . 45 0 . 0 5 d fr1 0 0 6 . 3 0 . 5 2 . 4 0 . 2 28 2 . 1 0 . 55 0 . 0 5 d fr2 0 0 9 . 0 0 . 5 3 . 9 0 3 26 2 . 0 0 . 55 0 . 0 6 d fr3 00ss 11. 5 1 . 0 4 . 5 0 . 5 33 2 . 0 0 . 8 0 . 0 5 d fr3 0 0 15. 5 1 . 0 5 . 0 0 . 5 33 2 . 1 0 . 8 0 . 0 5 d fr4 0 0 17. 0 1 . 0 7 . 5 0 . 5 32 2 . 0 0 . 8 0 . 0 5 st yle d i me nsi on s t y l e d f r 050 d f r 100 d f r 200 d f r 300s s d f r 300 d f r 400 p ower rat i ng at 70 c 0. 5w 1w 2w 3w 3w 4w m ax i m u m w o rk i n g v o l t ag e 200 v 350 v 500 v 500 v 750 v 750 v m ax i m um o v erl oad v ol t age 400 v 600 v 700 v 700 v 100 0v 100 0v di el ec t r i c w i t hs t and v ol t age 300 v 500 v 500 v 500 v 750 v 750 v res i s t anc e rang e o perat i ng t em perat ure rang e t em perat ure coef f i c i ent - 55 c to + 155 c 100 ppm / c 1r ~ 10m & 0r f or e 24 and e 96 r ang es 050 = 1/2w 100 = 1w 200 = 2w 300ss = 3w 300 = 3w 400 = 4w j = 5% f = 1% 52- = 52.4mm 52i = 52.4mm (i represents 0.780.05mm diameter) 73- = 73mm m = m t ype forming for bulk f = f t ype forming for bulk fk = fk t ype forming ffk = ffk t ype forming fkk = fkk t ype forming ft = f t t ype forming mt = mt sert pn = p anasert a v = a visert r= paper t aping reel t=t ape in box b=bulk 128 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: + 4 4 ( 0 ) 1724 408700 www .dubilie r .co.uk
129 derating curve resistors pulse loading capabilities packing methods section 4 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: + 4 4 ( 0 ) 1724 408700 power flame proof resistors ra ted load (%) 70 ? 10 0 80 60 40 20 20 40 60 80 10 0 12 0 14 0 15 5 18 0 am bien t t emp era ture ( ? ) 10 4 10 3 tp/ti=50 10 2 10 1 220r 10 -1 10 -5 10 -4 10 -3 10 -2 10 -1 ti (s) 4k7 1 tp/ti=1000 4r7 pmax (w) 100r tp/ti=200 tp/ti=10 tp/ti=2 DFR4 00 ser ies: pulse on a regular basis;max imum permissible pe ak pulse power ( p-max) as a function of pulse durati on (t i ). m m : t i n u e l y t s n o r m a l a a b 1 -b2 s ( s pac i ng) t ( m a x . dev i a t i onof s pac i ng) d f r 050 6 0 . 5 52. 4 1 . 0 1 . 2 1 0 d f r 100 6 0 . 5 52. 4 1 . 0 1 . 2 1 0 d f r 200 6 0 . 5 52. 4 1 . 0 1 . 2 1 0 d f r 300 6 0 . 5 73 1 . 5 1 . 5 1 0 d f r 400 6 0 . 5 73 1 . 5 1 . 5 1 0 1mm p e r 10 s p a c in g 0 . 5mm p e r 5 s p a c in g d i m e n s i o n s 128 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: + 4 4 ( 0 ) 1724 408700 www .dubilie r .co.uk
129 t ape on reel packing resistors packing methods special t ype section 4 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: +44 (0) 1724 408700 power flame proof resistors st yle a cross fl an g e a qt y p e r r ee l d fr0 5 0 7 2 5000 d fr1 0 0 7 2 5000 d fr2 0 0 7 2 2500 d fr3 0 0 9 5 2000 x o b r e p y t q e l y t s n o r m a l w ( a ) h ( b ) l ( c ) d f r 050 8 1 7 0 260 5000 d f r 100 8 1 104 260 1000 d f r 200 7 3 4 5 258 1000 d f r 300 103 7 8 260 1000 d f r 400 103 7 8 260 1000 s t a nda r d l e a d l e n g t h m type s n o i s n e m i d e l y t s unit mm normal l ?d ?d p h DFR050 3.4 0.3 1.9 0.2 0.45 0.05 6.0 1.0 10.0 1 DFR100 6.3 0.5 2.4 0.2 0. 55 0.05 10.0 1.0 10.0 1 DFR300 15.5 1.0 5.0 0.5 0. 8 0.05 20.0 1.0 15.0 1 128 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: +44 (0) 1724 408700 www .dubilier .co.uk
129 resistors section 4 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: +44 (0) 1724 408700 power flame proof resistors f type style dimension s unit mm normal l ?d ?d p h1 h1 max e max DFR300 15.5 1.0 5.0 0.5 0.8 0.05 6.0 1 5.0 1 25 3.5 * fmp100 is available fk ty p e ffk typ e fkk type style dimension s unit mm normal l ?d ?d p h h max e max DFR300 15.5 1.0 5.0 0.5 0.8 0.05 6.0 1 10.0 1 30 3.5 * DFR300 is available ft t ype forming for t aping (rated w att 100 size only) 128 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: +44 (0) 1724 408700 www .dubilier .co.uk
129 resistors section 4 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: +44 (0) 1724 408700 power flame proof resistors mt t ype forming for t aping (rated w att -50 si ze only) pn t ype forming for t api ng (rated w att 100 size only) a v t ype forming for t api ng (rated w att 100 size only ) 128 t el: +44 (0) 1724 408710 www. dubilier. co.uk t el: +44 (0) 1724 408700 www .dubilier .co.uk

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