introduction rfe international, inc. offers a wide range of chip resistors to meet your application requirements. they are made with metal glazed thick film on a high purity ceramic substrate which is overcoated for stability and protection. these resistors are lead free. c2bb02 rev 2009.3.13 ratings for low resist ance <1 w par t number example rm 10 r - 0r02 - j operating temp. range -55c ~ +155 s u r fac e m o u n t rm s er ies : l es s t ha n 1 oh m & g rea te r t ha n 10 m eg o hm s r e s is to r s r f e i n t e r n a t i o n a l ? t e l : ( 9 4 9 ) 8 3 3 - 1 9 8 8 ? f a x : ( 9 4 9 ) 8 3 3 - 1 7 8 8 ? e - m a i l s a l e s @ r f e i n c . c o m ratings for high resist ance >10 w r o h s dimensions d h l c w glass passivation w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w type rated power at 70 c max working voltage max overload voltage t.c.r. (ppm/ c) + 700 0.1 ~ 0.3 + 500 0.33 ~ 0.99 rm12 0.25 w 0.86v 1.74v rm25 0.33 w 0.99v 1.98v rm50s 0.5 w 1.22v 2.44v + 800 0.01 ~ 0.091 + 600 0.1 ~ 0.3 + 400 0.33 ~ 0.99 + 800 0.01 ~ 0.049 + 400 0.05 ~ 0.091 + 300 0.1 ~ 0.99 + 800 0.01 ~ 0.049 + 700 0.05 ~ 0.091 + 500 0.1 ~ 0.3 + 400 0.33 ~ 0.99 rm2w 2 w 2.44v 4.88v + 800 0.02 ~ 0.99 rm10 0.125 w 0.61v 1.22v rm06 0.1 w 0.55v 1.08v 1.72v rm50 0.5 w 1.22v rm1ws 1 w 1.72v 3.46v rm1w 1 w rm04 0.063 w 0.43v 0.86v 3.46v + 800 + 600 + 500 + 400 2.44v + 1000 + 600 +400 0.05 ~ 0.1 ~ 0.33 ~ 0.091 0.3 0.99 0.01 ~ 0.05 ~ 0.1 ~ 0.33 ~ 0.049 0.091 0.3 0.99 resistance range ( ) f( + 1%), j( + 5%) derating cur ve 70c 155c 10 0 80 60 40 20 0 -55 -30 0 20 40 60 80 10 0 12 0 14 0 18 0 a m b ie n t t e m p e r a tu r e ( c ) r a t e d l o a d ( % ) 160 w type rated power at 70 c max working voltage max overload voltage t.c.r. (ppm/ c) 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 10.1m ~ 54m 10.1m ~ 100m 400v + 200 + 200 + 200 + 200 + 200 + 200 + 200 200v 400v 200v 200v 100v 100v 300v 400v 400v 400v 400v 400v 1w 1.0w 2.0w 50v 50v 150v 200v 200v 200v 200v rm1ws rm1w rm2w 0.0625w 0.1w 0.125w 0.25w 0.33w 0.5w 0.5w rm12 rm25 rm50s rm50 resistance range ( ) f( + 1%), j( + 5%) rm04 rm06 rm10 + 200 + 200 + 200 rm 04 (0 40 2) 1.0 + 0.1 0.5 + 0.0 5 0.3 5 + 0.0 5 0.2 0 + 0.1 0.2 + 0.1 rm 06 (0 60 3) 1.6 + 0.2 0.8 + 0.1 5 0.5 0 + 0.1 0.3 0 + 0.2 0.3 + 0.1 5 rm 10 (0 80 5) 2.0 + 0.2 1.2 5 + 0.1 5 0.5 0 + 0.1 5 0.4 0 + 0.2 0.3 + 0.1 5 rm 12 (1 20 6) 3.2 + 0.2 1.6 + 0.1 2 0.6 0 + 0.1 5 0.4 5 + 0.2 0.4 + 0.2 rm 25 (1 21 0) 3.2 + 0.2 2.5 + 0.2 0.6 0 + 0.1 5 0.5 0 + 0.2 0.5 + 0.2 rm 50 (2 01 0) 5.0 + 0.2 2.5 + 0.2 0.6 0 + 0.1 0.6 0 + 0.2 0.6 + 0.2 rm 50 s ( 18 12 ) 4.5 + 0.1 3.0 1 + 0.1 0.8 0 + 0.1 0.5 5 + 0.0 5 0.4 + 0.1 rm 1w (2 51 2) 6.3 + 0.2 3.1 + 0.2 0.6 5 + 0.1 0.6 0 + 0.2 0.6 + 0.2 rm 1w s ( 12 18 ) 3.0 + 0.1 4.6 + 0.1 0.5 5 + 0.0 5 0.4 5 + 0.1 0.4 + 0.1 rm 2w (2 03 0) 5.1 + 0.1 7.6 + 0.1 0.6 0 + 0.0 5 0.8 0 + 0.1 0.7 + 0.1 ty pe dim en sio ns (m m) l w h c d
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