high power chip resistors / wide terminal 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. & 1 3 2 + 3 " 4 5 " 6 7 + 8 9 10 11 6 thick film chip resistors product code size, power rating type : inch a1 : 2512 b1 : 2010 b2 : 1206 b3 : 0805 resistance value region a b c d resistance value packaging methods v erjb2 erjb3 erja1 code packaging type punched carrier taping 4 mm pitch, 5,000 pcs. embossed carrier taping 4 mm pitch, 5,000 pcs. embossed carrier taping 4 mm pitch, 4,000 pcs. 10 ? r 0.22 ? r <10 ? 0.01 ? r < 0.22 ? 0.005 ? r < 0.01 ? resistance tolerance f g j 1 % 2 % 5 % shown by 3 digits or letters. only when it is impossible, shown by 4 digits or letters. power r. 1.33 w 1 w, 2 w ( r 10 ? ) 0.75 w, 1 w ( r 10 ? ) 0.33 w, 0.5 w ( r 1 ? ) u erjb1 (ex.) 102 : 1.0 k ? 4r7 : 4.7 ? r01 : 0.01 ? = 10 m ? r015 : 0.015 ? = 15 m ? protective coating thick ?lm resistive element electrode (inner) electrode (between) electrode (outer) alumina substrate high power chip resistors / wide terminal type 2512, 2010, 1206, 0805 type: erj a1, b1, b2, b3 features high solder-joint reliability by wide terminal con struc tion excellent heat dissipation characteristics by wide terminal construction rohs compliant explanation of part numbers recommended applications automotive electronic circuits including ecus (electrical con- trol unit), anti-lock breaking systems and air-bag systems current sensing for power supply circuits in a variety of equipment construction (example : erja1 type) packaging methods, land pattern, soldering conditions and safety precautions please see data files aug. 2012 02 1 6
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. high power chip resistors / wide terminal type m b b t l aa w a2 b2 b1 a1 10Cfd b1 w b2 c p t l rr rr r rr r 3 bbaa t l w r r 3 m bb t l aa w bb t l aa w r r r r r rr dimensions in mm (not to scale) circuit confi guration erja1 type erjb1 type erja1 type di men sions (mm) lwt a b 5.000.20 2.500.20 0.550.20 0.250.20 0.90 0.20 di men sions (mm) lwta 1 b 1 6.400.20 3.200.20 0.550.10 0.700.20 0.45 0.20 di men sions (mm) a 2 b 2 p 0 dc 0.700.20 1.250.15 1.270.10 0.30 +0.10 0.4 min. C0.20 erjb2 type erjb3 type di men sions (mm) lwt a b 5 m < less than 10 m > < low resistance zone > mass (weight) [1000 pcs.] : 40 g mass (weight) [1000 pcs.] : 4.8 g mass (weight) [1000 pcs.] : 27 g aug. 2012 02 1 7
high power chip resistors / wide terminal 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. C60 C40 C20 0 20 40 60 80 100 120 140 160 180 0 20 40 60 80 100 70 c 155 c ambient temperature (c) rated load (%) C55 c power derating curve for resistors operated in ambient temperature above 70 c, power rating shall be derated in accordance with the ? gure on the right. (1) rated continuous working voltage (rcwv) shall be de ter mined from rcwv= power rating re sis tance values, or limiting element voltage list ed above, whichever less. (2) overload (short-time overload) test voltage (sotv) shall be de termined from sotv=2.5 power rating or max. over load volt age list ed above which ev er less. ratings type (inch size) power rating at 70 c (w) limiting ele ment voltage (1) (v) maximum overload voltage (2) (v) resistance tolerance (%) resistance range ( ) t. c.r. ( 10 C6 /c) category t emperature range (c) erja1 (2512) 1.33 200 400 1 100 m to 10 k (e24) r < 100 m : 350 100 m < r : 100 (1%) 200 (2%, 5%) C55 to +155 2, 5 10 m to 10 k (e24) erjb1 (2010) 1 2(r < 10 ) 200 400 1, 2, 5 10 m to 10 k (e24) r < 22 m : 350 22 m < r < 47 m : 200 47 m < r < 100 m : 150 (1%) 200 (2%, 5%) 100 m < r : 100 (1%) 200 (2%, 5%) C55 to +155 erjb2 (1206) 0.75 1(r < 10 ) 200 400 1, 2 10 m to 1 m (e24) r < 22 m : 0 to +300 22 m < r < 47 m : 0 to +200 47 m < r < 100 m : 0 to +150 100 m < r < 220 m : 0 to +150 (1%) 0 to +200 (2%, 5%) 220 m < r : 100 (1%) 200 (2%, 5%) C55 to +155 5 5 m to 1 m 5 m to 9 m : 1m step 10 m to 1 m : e24 erjb3 (0805) 0.33 0.5(r < 1 ) 150 200 1, 2, 5 20 m to 10 (e24) r < 47 m : 0 to +300 47 m < r < 1 : 0 to +200 1 < r : 100 (1%) 200 (2%, 5%) C55 to +155 aug. 2012 02 1 8
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