irc advanced film division general note irc reserves the right to make changes in product specification without notice or liability . all information is subject to ircs own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc ? corpus christi texas 78411 usa ? irc advanced film division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? email: afdsales@irctt.com ? website: www.irctt.com lrf3w series issue february 2005 low range 3 watt smt chip resistor lrf3w series ? tolerances to 1% ? 3 watt @70c power dissipation ? resistance range from 0.002 to 0.200 ? ? ideal for high current sensing applications ? standard 60/40 sn/pb and 100% tin (pb-free) terminations available electrical data physical data e c n a t s i s e r e g n a r r c t ) c / m p p ( g n i t a r r e w o p c 0 7 t a ) s t t a w ( m u m i x a m e g a t l o v g n i t a r g n i t a r e p o e r u t a r e p m e t n o i t a n i m r e t e c n a r e l o t k , j , g , f e c n a r e l o t k , j 0 0 2 . 0 o t 5 0 0 . 0 ? 0 0 2 . 0 o t 2 0 0 . 0 ? * 0 0 1 0 . 3 v 0 5 c 0 5 1 + o t c 5 5 - d e t a l p - r e d l o s t n a t s i s e r - h c a e l d n u o r a - p a r w r e p p o c s e u l a v e c n a t s i s e r n o n o i t a m r o f n i r c t r o f y r o t c a f t c a t n o c : e t o n * 5 0 0 . 0 ? . 0.090 .0 05 0.032 .0 05 plating wrap-around 0.030 .0 05 thic kness bo tt om (b oard side) 0.250 .0 05 0.1 25 .0 05 to p 0.020.0 05 0.30 7 .6mm 0.04 (1mm) 0.08 (2.0mm) recommended solder p ad la yo ut schema tic 4 .com u datasheet
lrf3w series issue february 2005 irc advanced film division ? corpus christi texas 78411 usa ? irc advanced film division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? email: afdsales@irctt.com ? website: www.irctt.com low range 3 watt smt chip resistor environmental data t s e t l a t n e m n o r i v n e d o h t e m t s e t ) e g n a h c e c n a t s i s e r ( e c n a m r o f r e p k c o h s l a m r e h t 7 0 1 d o h t e m 2 0 2 - d t s - l i m c 5 2 1 + c 5 6 - , b n o i t i d n o c % 5 . 0 d a o l r e v o e m i t t r o h s 2 4 3 5 5 - f r p - l i m % 5 . 0 e r u s o p x e e r u t a r e p m e t h g i h 2 4 3 5 5 - f r p - l i m % 5 . 0 g n i l c y c e r u t a r e p m e t 0 1 0 1 d o h t e m 3 8 8 - d t s - l i m c 5 2 1 + c 5 6 - , b n o i t i d n o c % 5 2 . 0 e c n a t s i s e r e r u t s i o m 2 4 3 5 5 - f r p - l i m % 5 . 0 e f i l d a o l c 0 7 @ r e w o p d e t a r 2 4 3 5 5 - f r p - l i m % 0 . 1 n o i t a r e p o e r u t a r e p m e t w o l 2 4 3 5 5 - f r p - l i m % 5 . 0 t a e h r e d l o s o t e c n a t s i s e r 0 1 2 d o h t e m 2 0 2 - d t s - l i m % 5 2 . 0 e c n a t s i s e r h c a e l c 0 5 2 r e d l o s n e t l o m m u m i n i m s d n o c e s 0 9 pre?x lrc - lrf3w - 01 - r020 - f model lrf3w = 3 watt chip with standard 60/40 termination lrf3wlf = 3 watt chip with 100% tin pb-free termination tcr code 01 = 100ppm/c resistance code 4-digit resistance code. ex: r050 = 0.050 ? ; r005 = 0.005 ? tolerance code f = 1%, g = 2%, j = 5%, k = 10% for additional information or to discuss your specific requirements, please contact our applications team using the contact details below. power derating curve 25 70 150 100 50 10 % of rated po wer t emperature in c ordering data 4 .com u datasheet
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