300 10 ?6.2 k 10 ?6.2 k 01005 rk73b 1f 250 0.03 w 15 v 30 v 6.8 k ? 1 m 6.8 k ? 1 m 400 1 ?9.1 - 55 c ?+ 125 c* 0201 rk73b 1h 200 0.05 w 25 v 50 v 10 ?10 m 10 ?10 m rk73b 1e 400 0.063 w 0402 200 10 ?10 m 10 ?10 m 0603 rk73b 1j 400 0.1 w 50 v 100 v 200 10 ?10 m 10 ?10 m 0805 rk73b 2a 400 0.125 w 150 v 200 v 200 10 ?1 m 10 ?1 m 1206 rk73b 2b 400 0.25 w - 55 c . . . +155 c* 200 10 ?5.6 m 10 ?5.6 m 1210 rk73b 2e 400 200 v 200 400 v 2010 rk73b 2h 400 0.75 w 200 10 ?5.6 m 10 ?5.6 m 2512 rk73b 3a 400 1 w 200 v 400 v 200 (500 v)** (500 v)** 10 ?5.6 m 10 ?5.6 m technology of tomorrow resistors 6 re v is io n : 0 3 . ma y 20 06 europe gmbh ?kaddenbusch 6 ?d-25578 d?geling / itzehoe ?phone: +49 (0) 48 21/89 89-0 ?fax: +49 (0) 48 21/89 89 89 ?internet: www.koaeurope.de flat chip thick film (5% 2%) general purpose rk73 b features ruo 2 thick film resistor element anti-leaching nickel barrier terminations excellent heat resistance and moisture resistance are ensured by the use of metal glaze thick film also available with expoxy bondable, silver-palladium inner terminations in 1j, 2a and 2b sizes (see rk73x series) also available with gold plated electrodes in size 1e, 1j and 2a (10 ?m ) rated ambient temperature: +70 c taping according to iec-60 286-3 meets or exceeds iec 60 115, cecc 40 401-802, eiaj rc-2134a suitable for reflow and wave soldering lab kit available structure identification rating 1 ceramic substrate 2 top termination (ag pd) ~ 11 ? 3 bottom termination (ag) ~ 11 ? 4 resistive layer ~ 11 ? 5 glass layer ~ 11 ? 6 trimming cut 7 protective layer ~ 25 ? 8 end termination ~ 0.05 ? 9 diffusion barrier (ni) 3 ~ 12 ? 10 solder plating 3 ~ 12 ? rk73b 1f ?rk73b 1e black none rk73b 1j ... rk73b 3a white, 3 digits 1 w . . . 9.1 w 1 . . . 9.1 11 m . . . 22 m 1 w . . . 9.1 w 1 . . . 9.1 1.1 m . . . 10 m 1 . . . 9.1 1.1 m . . . 10 m 1 . . . 9.1 6.2 m . . . 22 m 1 . . . 9.1 6.2 m . . . 10 m 1 . . . 9.1 6.2 m . . . 10 m 1 . . . 9.1 6.2 m . . . 22 m 1 . . . 9.1 6.2 m . . . 22 m type coating color marking dimensions (mm) size type l w c d t 0201 rk73 1h 0.6 0.03 0.3 0.03 0.1 0.05 0.15 0.05 0.23 0.03 0402 rk73 1e 1.0 0.5 0.05 0.2 0.1 0.25 0.35 0.05 0603 rk73 1j 1.6 0.2 0.8 0.1 0.3 0.1 0.3 0.1 0.45 0.1 0805 rk73 2a 2.0 0.2 1.25 0.1 0.4 0.2 0.3 0.5 0.1 1206 rk73 2b 3.2 0.2 1.6 0.2 1210 rk73 2e 2.6 0.2 0.5 0.3 0.6 0.1 2010 rk73 2h 5.0 0.2 2.5 0.2 2512 rk73 3a 6.3 0.2 3.1 0.2 + 0.2 ? 0.1 + 0.2 ? 0.1 + 0.1 ? 0.05 + 0.05 ? 0.1 + 0.2 ? 0.1 specifications given herein may be changed at any time without prior notice. please confirm technical specifications before you order and/or use. products with pb-free terminations meet rohs requirements 0.5 w 0.33 w 0.5 w 0.33 w 10 . . . 1 k 1.1 k . . . 5.6 m 10 . . . 1 k 1.1 k . . . 5.6 m type designation (how to order) *please see ?ackaging rk73k product code 1j style 1f?a td taping* 10k nominal resistance 3 digits termination surface material t: sn l: sn/pb (g: au) g tolerance rk73b 1j td 103 t g tolerance j: ?% g: ?% resistors t.c.r. power* max. max. resistance range (e24) operating size type (ppm/k) r ating working overload temperature voltage voltage g ( 2%) j ( 5%) range 01005 rk73 1f 0.4 0.02 0.2 0.02 0.08 0.03 0.11 0.03 0.13 0.02 old part no. new part no. (pb-free) 0.4 0.4 (0.65 0.15)* * time of change to (0.65 0.15) will be announced by pcn. new new rated voltage = power rating x resistance value or max. working voltage, whichever is lower. * for resistors operated in ambient temperature over +70?, power rating shall be derated like shown in ?erating curve . ** please contact koa about the increased max. working voltage and the max. overload voltage. care should be taken, that rk73b1f may be damaged when static electricity occ urs and is applied in the equipment assembly pro c ess. z
technology of tomorrow resistors 8 revision: 03. may 2006 europe gmbh ?kaddenbusch 6 ?d-25578 d?geling / itzehoe ?phone: +49 (0) 48 21/89 89-0 ?fax: +49 (0) 48 21/89 89 89 ?internet: www.koaeurope.de flat chip thick film rk73 life test at 70 c rated power (p 70 ) iec 60115-1 4.25.1 (1% ?r + 0.05 ? ) 70 c 3 c, 1000 h; 1.5 h on / 0.5 h off cycle rapid change of temperature iec 60115-1 4.19 (0.5 % ?r + 0.1 ? ) ?55 c (30 min) / + 125 c (30 min); 5 cycles damp heat steady state iec 60115-1 4.24 (1% ?r + 0.05 ? ) 56 days at 40 c and 93% relative humidity endurance at 125 c iec 60115-1 4.25.3 (1% ?r + 0.05 ? ) + 125 c / 1000 h short time overload iec 60115-1 4.13 (1% ?r + 0.05 ? ) 6.25 x rated power for 5 sec., but smaller 2.5 x umax t.c.r. iec 60115-1 4.8 within specified t.c.r. cycle: + 25 c/- 55 c/+ 25 c/+ 125 c/+ 25 c bending test iec 60115-1 4.31 (0.5% ?r + 0.05 ? ) bending: 5 mm (1j, 2a, 2b); 3 mm (1h, 1e); 2 mm (2e, 2h, 3a) solderability iec 60068-2-20 terminations > 95% covered with new solder 235 5 c / 2 0.5 sec. resistance to soldering heat iec 60115-1 4.18 (0.5% ?r + 0.05 ? ) 10 1 sec. at 260 5 c solder bath temperature performance test test conditions typ. test results derating curve ambient temperature (?) % rated power temperature rise (?) % rated power surface temperature rise specifications given herein may be changed at any time without prior notice. please confirm technical specifications before you order and/or use. 1f , 1h 1e ... 3a pulse power in watts (p o ) pulse duration time in seconds (t) koa rk73 flat chip resistors one-pulse limiting electric power resistors
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