features lead frame construction high density assembly and excellent self-standing strength marking: blue body color with color dot marking for resistance and tolerance values lf , lff , rk26 radial metal film leaded resistors t: taping (1/8w, 1/4w only) blank: bulk ordering information - lf, lff c: ?0 d: ?00 b: ?50 l: ?00 lf1/8 lf1/4 lf1/2 lff1/4 1/8: 0.125w 1/4: 0.25w 1/4l: 0.25w 1/2: 0.5w t: sn l: snpb d: ?.5% f: ?% g: ?% j: ?% lf1/8 c 2c t power rating type t.c.r. (ppm/?) tolerance termination material taping new part # t ammo (1/8, 1/4 only) packaging a d for further information on packaging, please refer to appendix c. dimensions and construction h ceramic core trimming line l marking insulation coating end cap resistive film lead frame p h d .02 .004 (0.5 0.1) t l (max.) lf1/8 .197 (5.0) .100?008 (2.540.2) .236?039 (6.01.0) .217 (5.5) .197?039 (5.01.0) .200 (5.08) .200?008 (5.080.2) .300?012 (7.620.3) .100 (2.54) .098 (2.5) .295 (7.5) .285 (7.25) lf1/4 lf1/4l lf1/2 lff1/4 rk26b2e type d (max.) p h h (max.) dimensions inches (mm) ?%, ?%: 2 significant figures + 1 multiplier ? indicates decimal on value <10 ? ?.5%, ?%: 3 significant figures + 1 multiplier ? indicates decimal on value <100 ? nominal resistance 1000 83 koa speer electronics, inc. ?bolivar drive ?p.o. box 547 ?bradford, pa 16701 ?usa ?814-362-5536 ?fax: 814-362-8883 ?www.koaspeer.com specifications given herein may be changed at any time without prior notice. please confirm technical specifications before you order and/or use. 6/23/05 resistors .012 (0.3) .010 (0.25) t .413 (9.6) .200?012 (5.080.3) .118?020 (3.00.5) .217?020 (5.50.5) t: taping blank: bulk ordering information - rk26 b: ?50 rk26 2e: 0.25w t: sn l: snpb f: ?% g: ?% j: ?% rk26 b 2e t power rating type t.c.r. (ppm/?) tolerance termination material taping new part # t ammo packaging a f ?%, ?%: 2 significant figures + 1 multiplier ? indicates decimal on value <10 ? ?.5%, ?%: 3 significant figures + 1 multiplier ? indicates decimal on value <100 ? nominal resistance 1003
lf , lff , rk26 radial metal film leaded resistors absolute maximum overload voltage absolute maximum working voltage part designation operating temperature range rated ambient temperature power rating applications and ratings t.c.r. (ppm/?) max. lf1/8 lf1/4 lf1/4l lf1/2 lff1/4 0.125w 0.25w 0.5w 0.25w 44.9 - 562k 4.7 - 1m 1 - 1m 10 - 1m 10 - 1m 1 - 1m 10 - 100k 10 - 1m 10 - 1m 1 - 1m c: ?0 d: ?00 l: ?00 c: ?0 d: ?00 l: ?00 c: ?0 d: ?00 l: ?00 c: ?0 d: ?00 200v 400v +70? 250v 500v 350v 700v 250v 500v -55? to +150? d?.5% e-96 f?% e-24,e-96 j?% e-24 resistance range ( ? ) derating curve environmental applications % rated power 100 80 60 40 20 -60 -40 0 40 60 80 100 160 70 20 ambient temperature ( c) 0 -55 120 155 -20 140 150 lff, rk26 lf performance characteristics parameter requirement effects of solder short time overload load life moisture resistance vibration temperature cycling ?0.5% + 0.05 ? ) ?0.5% + 0.05 ? ) ?1.0% + 0.05 ? ) ?0.2% + 0.05 ? ) 84 koa speer electronics, inc. ?bolivar drive ?p.o. box 547 ?bradford, pa 16701 ?usa ?814-362-5536 ?fax: 814-362-8883 ?www.koaspeer.com specifications given herein may be changed at any time without prior notice. please confirm technical specifications before you order and/or use. 1/03/05 resistors 1 - 1m 1 - 1m 10 - 100k 1 - 1m g?% e-24 rk26b2e 0.25w 100k - 22m 100k - 33m b: ?50 500v 700v 100k - 33m -55? to +155?
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