design and speci? cations are each subject to change without notice. ask factory for the current technical speci? cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. thick film chip resistors / low resistance type e 1 r 2 j 3 8 4 r 5 6 q 7 f 8 r 9 2 10 2 11 v thick film chip resistors product code size, power rating type: inches 0.125 w 0.1 w 0.2 w 0.125 w 0.25 w 0.25 w 0.33 w 0.25 w 0.5 w 0.5 w 1w power r. resistance value code s q 0.1 to 0.2 0.22 to 9.1 ? resistance tolerance code f g j tolerance 1% 2% 5% shown by 3 digits or letters. (ex.) r22 : 0.22 resistance value packaging methods code packaging type punched carrier taping 4m m pitch embossed carrier taping 4m m pitch 2b : 0402 3r : 0603 3b : 0603 6r : 0805 6b : 0805 8r : 1206 8b : 1206 14r : 1210 14b : 1210 12r : 1812 1tr : 2512 res. value v x u punched carrier taping 2m m pitch erj2bs erj2bq erj3r/3b erj6r/6b erj8r/8b erj14r/14b erj12r erj1tr ? 2b : 0.22 to 1.0 thick film chip resistors / low resistance type erj r, b : 0402, 0603, 0805, 1206, 1210, 1812, 2512 erj l : 0603, 0805, 1206, 1210, 1812, 2010, 2512 type: erj 2b, 3r, 3b, 6r, 6b, 8r, 8b, 14r, 14b, 12r, 1tr erj l03, l06, l08, l14, l12, l1d, l1w features small size an d lightweight hi gh reliability metal glaze thick lm resistive element and three layers of electrodes suit able for both re ow and ow sol der ing low resistance value erj2bw type : 47 m to 91 m erj6bw, 8bw type : 10 m to 10 0 m erj2bs, 2bq type : 0.1 to 1.0 erj3r, 3b, 6r, 6b, 8r, 8b, 14r, 14b, 12r, 1tr type : 0.1 to 9.1 erjl03, l06, l08 type : 47 m to 10 0 m erjl14, l12 type : 20 m to 10 0 m erjl1d, l1w type : 40 m to 10 0 m reference standards iec 60115-8, jis c 5201-8 explanation of part numbers erj2bs/2bq, 3r, 3b, 6r , 6b, 8r, 8b, 14r, 14b, 12r, 1tr series jun. 2008
thick film chip resistors / low resistance type design and speci? cations are each subject to change without notice. ask factory for the current technical speci? cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. e 1 r 2 j 3 l 4 1 5 4 6 k 7 j 8 5 9 0 10 m 11 u 12 thick film chip resistors product code size, power rating type: inches 0.1 w 0.125 w 0.25 w 0.33 w 0.5 w 0.5 w 1w power r. code k u resistance tolerance code f j tolerance 1% 5% shown by 3 digits or letters. (ex.) 50 m:50 m ,1 0 c:100 m resistance value packaging methods code v u packaging type punched carrier taping 4m m pitch embossed carrier taping 4m m pitch erjl03 erjl06 erjl08 erjl14 erjl12 erjl1d erjl1w std. 20 m to 100 m res. value l03 : 0603 l06 : 0805 l08 : 1206 l14 : 1210 l12 : 1812 l1d : 2010 l1w : 2512 20 m ,22m ,33m , 39 m ,47m ,50m , 100 m () ? ? ? l03, l06, l08 : 47 m to 100 m l1d, l1w : 40 m to 100 m e 1 r 2 j 3 2 4 b 5 6 w 7 g 8 r 9 0 10 4 11 7 12 x thick film chip resistors product code resistance tolerance code f g j tolerance 1% 2% 5% shown by 4 digits or letters. (ex.) r047 : 0.047 =47 m resistance value packaging methods code packaging type x pressed carrier taping 2m m pitch erj2bw erj6bw erj8bw v punched carrier taping 4m m pitch code 2bw 6bw 8bw size:inches 0402 0805 1206 0.125 w 0.33 w 0.5 w power rating resistance value 47 m to 91 m 10 m to 100 m 10 m to 100 m a b t w l construction dimensions in mm (not to scale) protective coating alumina substrate electrode (inner) electrode (between) thick film r esistive element electrode (outer) type (inches) dimensions (mm) mass(w eight) [g/1 000 pcs.] lwa b t erj2bw ( 0402) 1.00 ?.10 0.50 +0.10 0.24 ?.10 0.24 ?.10 0.35 ?.05 0.8 erj2bs ( 0402) erj2bq 1.00 ?.10 0.50 +0.10 0.20 ?.10 0.27 ?.10 0.35 ?.05 0.8 erj3r erj3b (0603) erjl03 1.60 ?.15 0.80 +0.15 0.30 ?.20 0.30 ?.15 0.45 ?.10 2 erj6bw(0805) 2.00 ?.20 1.25 ?.20 0.55 ?.20 0.55 ?.20 0.65 ?.10 6 erj6r erj6b (0805) erjl06 2.00 ?.20 1.25 ?.10 0.40 ?.20 0.40 ?.20 0.60 ?.10 4 erj8bw(1206) 3.20 ?.20 1.60 ?.20 1.00 ?.20 1.00 ?.20 0.65 ?.10 13 erj8r erj8b (1206) erjl08 3.20 +0.05 1.60 +0.05 0.50 ?.20 0.50 ?.20 0.60 ?.10 10 erj14r erj14b (1210) erjl14 3.20 ?.20 2.50 ?.20 0.50 ?.20 0.50 ?.20 0.60 ?.10 16 erj12r (1812) erjl12 4.50 ?.20 3.20 ?.20 0.50 ?.20 0.50 ?.20 0.60 ?.10 27 erjl1d (2010) 5.00 ?.20 2.50 ?.20 0.60 ?.20 0.60 ?.20 0.60 ?.10 27 erj1tr (2512) erjl1w 6.40 ?.20 3.20 ?.20 0.65 ?.20 0.60 ?.20 0.60 ?.10 45 6.40 ?.20 3.20 ?.20 0.65 ?.20 1.30 ?.20 1.10 ?.10 79 erjl03, l06, l08, l14, l12, l1d, l1w series erj2bw, 6bw, 8bw series ?.20 0.15 ?.05 ?.05 ?.05 mar. 2008
design and speci? cations are each subject to change without notice. ask factory for the current technical speci? cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. thick film chip resistors / low resistance type type (inches) power rating at 70 c (w) resistance tolerance (%) resistance range ( ) t.c.r. [ 10 ? / c (ppm / c)] category temperature range (operating temperature range) (?) erjl03 (0603) 0.1 (0.2) ? 1 ?, 5 47 m to 100 m ? 2 ?00 55 to +125 erjl06 (0805) 0.125 (0.25) ? 1 ?, 5 47 m to 100 m ? 2 ?00 55 to +125 erjl08 (1206) 0.25 (0.33) ? 1 ?, 5 47 m to 100 m ? 2 ?00 55 to +125 erjl14 (1210) 0.33 1, 5 20 m to 100 m ? 2 r<47 m : 300 r > 47 m : 100 ?5 to +125 erjl12 (1812) 0.5 1, 5 20 m to 100 m ? 2 ?5 to +125 erjl1d (2010) 0.5 1, 5 40 m to 100 m ? 2 ?5 to +125 erjl1w (2512) 1 1, 540 m to 100 m ? 2 ?5 to +125 type (inches) power rating at 70 c (w) resistance tolerance (%) resistance range ( ) t.c.r. [ 10 ? / c (ppm / c)] category temperature range (operating temperature range) (?) erj2bw (0402) 0.125 ?, 5 0.047 to 0.091 (e24) ?00 ?5 to +125 erj2bs (0402) 0.10 to 0.20 (e24) erj2bq (0402) ?, 2 , 5 0.22 to 1.0 (e24) 250 erj3bs (0603) 0.2 1, 2, 5 0.10 to 0.20 (e24) ?00 ?5 to +125 erj3bq (0603) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 200 erj6bw (0805) 0.33 ?, 2 , 5 0.01 to 0.1 (e24) r<0.015 :?00 r > 0.015 :?00 ?5 to +15 5 erj6bs (0805) 0.25 0.10 to 0.20 (e24) ?50 ?5 to +125 erj6bq (0805) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 200 erj8bw (1206) 0.5 1, 2, 5 0.01 to 0.1 (e24) 0.010 < r < 0.020 : ?00 0.020 < r < 0.047 : ?50 0.047 < r < 0.100 : ?00 ?5 to +15 5 erj8bs (1206) 0.33 1, 2, 5 0.10 to 0.20 (e24) ?50 ?5 to +125 erj8bq (1206) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 200 erj14bs (1210) 0.5 1, 2, 5 0.10 to 0.20 (e24) ?00 ?5 to +125 erj14bq (1210) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 100 type (inches) power rating at 70 c (w) resistance tolerance (%) resistance range ( ) t.c.r. [ 10 ? / c (ppm / c)] category temperature range (operating temperature range) (?) er j3rs (0603) 0.1 1, 2, 5 0.10 to 0.20 (e24) ?00 ?5 to +125 er j3rq (0603) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 200 erj6rs (0805) 0.125 1, 2, 5 0.10 to 0.20 (e24) ?50 ?5 to +125 erj6rq (0805) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 200 erj8rs (1206) 0.25 1, 2, 5 0.10 to 0.20 (e24) ?50 ?5 to +125 erj8rq (1206) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 200 erj14rs (1210) 0.25 1, 2, 5 0.10 to 0.20 (e24) ?00 ?5 to +125 erj14rq (1210) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 100 erj12rs (1812) 0.5 1, 2, 5 0.10 to 0.20 (e24) ?00 ?5 to +125 erj12rq (1812) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 100 erj1trs (2512) 1 1, ?, 5 0.10 to 0.20 (e24) ?00 ?5 to +125 erj1trq (2512) 0.22 to 0.91 (e24) 1.0 to 9.1 (e24) 100 ratings ? 1 please contact us when resistors with guaranteed high power are needed. ? 2 standard r.v. : 20 m , 22 m , 33 m , 39 m , 47 m , 50 m , 100 m , custom r.v. : each 1 m within upper range. jun. 2008
thick film chip resistors / low resistance type design and speci? cations are each subject to change without notice. ask factory for the current technical speci? cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?0 ?0 0 20 40 60 80 100 120 140 160 0 180 ?0 155 c 70 c ambient temperature ( c) 20 40 60 80 100 rated load (%) ?5 c 2b, 3r, 3b, 6r, 6b, 8r, 8b, 14r, 14b, 12r, 1tr, l03, l06, l08, l14, l12, l1d, l1w 6bw, 8bw 125 c b w t a c tt t a p 0 p 2 p 1 p 1 d 0 d 1 (only emboss) b f w e (2 mm pitch) taping reel packaging methods (taping) standard quantity carrier tape type kind of taping pitch (p 1 )quantity erj2bw pressed carrier taping 2 mm 1 0000 pcs./reel erj2bs , 2bq punched carr ier taping er j3r, 3b , l03 4 mm 5 000 pcs./reel erj6r, 6b, l06 erj8r, 8b, l08 erj14r, 14 b, l14 embossed carrier taping erj12r , l12 erjl1d erj1tr 4 000 pcs./reel erjl1w 3 000 pcs./reel (unit : mm) type a b c wt erj2b 180.0 +0 60 min. 13.0 ?.0 9.0 ?.0 11.4 ?.0 er j3r, 3b, l03 erj6r, 6b, l06 erj8r, 8b, l08 erj14r, 14b, l14 erj12r, l12 13.0 ?.0 15.4 ?.0 erjl1d erj1tr erjl1w (unit : mm) ?.0 type a b w f e p 1 p 2 p 0 d 0 t d 1 erj2bw 0.67 ?.10 1.17 ?.10 8.00 ?.20 3.50 ?.05 1.75 ?.10 2.00 ?.10 2.00 ?.05 4.00 ?.10 1.50 +0.10 0.61 ?.05 erj2bs, 2bq 0.67 ?.05 1.17 ?.05 0.52 ?.05 erj3r, 3b, l03 1.10 ?.10 1.90 ?.05 4.00 ?.10 0.70 ?.05 erj6bw 1.55 ?.15 2.30 ?.20 0.84 ?.05 erj6r, 6b, l06 1.65 ?.15 2.50 ?.20 erj8bw, 8r, 8b, l08 2.00 ?.15 3.60 ?.20 erj14r, 14b, l14 2.80 ?.20 3.50 ?.20 8.00 ?.30 1.00 ?.10 1.0 +0.10 erj12r, l12 3.50 ?.20 4.80 ?.20 12.00 ?.30 5.50 ?.20 1.5 min. erjl1d 2.80 ?.20 5.30 ?.20 erj1tr 3.60 ?.20 6.90 ?.20 erjl1w 3.60 ?.20 6.90 ?.20 1.60 ?.10 ?0 ?0 power derati ng curve for resistors operated in ambient temperatures above 70 c, powe r rating shall be de rated in accordance with the gure on the right. pressed carrier punched carrier embossed carrier feb. 2007
design and speci? cations are each subject to change without notice. ask factory for the current technical speci? cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. thick film chip resistors / low resistance type preheating peak heating temperature time chip resistor c a b temp erature time preheating 140 c to 160 c 60 s to 120 s main heat ing above 200 c 30 s to 40 s peak 235 5 c max. 10 s temp erature time preheating 150 c to 180 c 60 s to 120 s main heat ing above 230 c 30 s to 40 s peak max. 260 ? max. 10 s for soldering f or lead-fre e soldering temp erature tim etemperaturetime preheating 140 c to 180 c 60 s to 120 s 150 c to 180 c 60 s to 120 s soldering 245 ?5 c 20 s to 30 s max. 260 c max. 10 s recommended land pattern in case of ow soldering, the land width must be smaller than the chip resistor width to control the sol der amount properly. generally, the land width should be 0.7 to 0.8 times (w) of the width of chip resistor. in case of re ow soldering, solder amount can be adju sted, therefore the land width should be set to 1.0 to 1.3 times chip resistor width (w). recommended soldering conditions recommenda tions and precautions are described below. recommended so ldering conditions for re ow for solderin g (example : sn/pb) for lead-fre e soldering (example : sn/ag/cu) recommended solderin g conditions for ow type (inches) dimensions (mm) abc erj2bw (0402) 0.52 1.4 to 1.6 0.4 to 0.6 erj2b (0402) 0.5 to 0.6 1.4 to 1.6 0.4 to 0.6 er j3r, 3b, l03 (0603) 0.7 to 0.9 2 to 2.2 0.8 to 1 erj6bw (0805) 0.9 3.2 to 3. 81.1 to 1.4 erj6r, 6b, l06 (0805) 1 to 1.4 3.2 to 3.8 0.9 to 1.4 erj8bw (1206) 1.2 4.4 to 5 1 .3 to 1.8 erj8r, 8b, l08 (1206) 2 to 2.4 4.4 to 5 1.2 to 1.8 erj14r, 14b, l14 (1210) 2 to 2.4 4.4 to 5 1.8 to 2.8 erj12r, l12 (1812) 3.3 to 3.7 5.7 to 6.5 2.3 to 3.5 erjl1d (2010) 3.6 to 4 6.2 to 7 1.8 to 2.8 erj1tr (2512) 5 to 5.4 7.6 to 8.6 2.3 to 3.5 erjl1w (2512) 3.6 to 4 7.6 to 8.6 2.3 to 3.5 ?re ow soldering shall be performed a maximum of two times. ?please contact us for additional information when used in conditions other than those speci ed. ?please meas ure the temperature of the terminals and study every kind of solder and printed circuit board for solderability be fore ac tu al use. safety precautions the following ar e precautions for individual products. please also refer to the precautions common to fixed resistors shown on page er2 of this catalog. 1. take measures against mechanic al stress during and after mounting of thick film chip resistors (here af ter call ed the resistors) so as not to damage their electrodes and protective coatings. 2. if a transien t load (heavy load in a short time) like a pulse is expe cted to be applied, check and evaluate the operations of the resistors when installed in your products before use. never exceed the rated power. otherwise, the performance and/ or reliab ility of the resistors may be impaired. 3. do not us e halogen-based or other high-activity ux. otherwise, the residue may impair the resistors' per for mance and/or re liability. 4. when soldering wi th a soldering iron, never touch the resistors' bodie s with the tip of the soldering iron. when using a soldering iron with a high temperature tip, nish soldering as quickly as possible (within three seconds at 350 c max.). 5. as the amount of applied solder becomes larger, the me chanical stress applied to the resistors increases, causing problems such as cracks and faulty characteristics. avoid applying an excessive amount of solder. 6. do not appl y shock to the resistors or pinch them with a hard tool (e.g. pliers and tweezers). oth er wise, the re sis tors' protective coatings and bodies may be chipped, affecting their performance. 7. avo id exc e s s i ve b e n d ing of printed circuit boards in order to protect the resistors from abnormal stress. feb. 2007
? er3 ? safety precautions (common precautions for fixed resistors) when using ou r products, no matter what sort of equipment they might be used for, be sure to make a written agreement on the speci? cations with us in advance. the design and speci? cations in this catalog are subject to change without prior notice. do not use the products beyond the speci? cations described in this catalog. this cata log explains the quality and performance of the products as individual components. be fore use, check and evaluate their operations when installed in your products. install the following systems for a failsafe design to ensure safety if these products are to be used in equip ment where a defect in these products may cause th e loss of human life or other signi? cant damage, such as damage to vehicles (au to mo bile, train, vessel), traf? c lights, medical equipment, aerospace equipment, elec tric heating ap pli anc es, com bus tion/gas equipment, rotating equipment, and disaster/crime prevention equip ment. ? systems equipped with a protection circuit and a protection device ? systems equip ped with a redundant circuit or other system to prevent an unsafe status in the event of a single fault (1) precautions for use these products are designed and manufactured for general and stan dard use in general elec tron ic equipment (e.g. av equipm ent, home el ectric ap pli anc es, of? ce equipment, information and com mu ni ca tion equipment) these products are not intended fo r use in the following special conditions. be fore using the products, care ful ly check the effects on their quality and performance, and determine whether or not they can be used. 1. in liquid, such as water, oil, chemicals, or organic solvent 2. in direct sunlight, outdoors, or in dust 3. in salty air or air with a high concentration of corrosive gas, such as cl 2 , h 2 s, nh 3 , so 2 , or no 2 4. electric static discharge (esd) environment these components are sensitive to static electricity and can be damaged under static shock (esd). please take measures to avoid any of these environments. smaller componen ts are more sensitive to esd environment. 5. electromagnetic environment avoid an y environment where strong electromagnetic waves exist. 6. in an environment where these pr oducts cause dew condensation 7. s e a li n g o r c o ating of these products or a printed circuit board on which thes e products are mounted, with resin or othe r materials these products generate joule heat when energized. carefu lly position th ese products so that their he at will not affect th e other components. carefully position thes e products so that their temperatures will not exceed the category temperature range due to the effect s of neighboring heat-generating com po nents. do not mount or place heat-generating com po nents or in? ammables, such as vinyl-coated wires, near these products . note that non- cleaning solder, halogen-based highly active ? ux, or wate r-soluble ? ux may dete riorate the performance or reliab ility of the products. carefully select a ? ux cleaning agent fo r use after soldering. an unsuit able agent may deteriorate the performance or reliability. in particular, when using water or a water-soluble cleaning agent, be careful not to leave water res i dues. otherwise, the insulation performance may be deteriorated. (2) precautions for storage the performanc e of these products, including the solderability, is guar anteed for a year from the date of arrival at your company, provided that they remain packed as they were wh en delivered and stored at a temperature of 5 c to 35 c and a relative humidity of 45 % to 85 %. even wi thin the above guarantee periods, do not store these products in the fol low ing conditions. otherwise, their elec tri cal performance and/or solderability may be dete riorated, and the packaging materials (e.g. tap ing ma te ri als) may be de formed or dete riorated, resulting in mounting failures. 1. in salty air or in air with a high concentration of corrosive gas, such as cl 2 , h 2 s, nh 3 , so 2 , or no 2 2. in direct sunlight package ma rkings include the product number, quantity, and country of origin. in principle, the country of origin should be indicated in english. oct. 2007
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