114 koa speer electronics, inc. ? 199 bolivar drive ? 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. 12/29/08 resistors rcr anti-surge power type leaded resistor features ? excellent anti-surge characteristics ? high resistance range ? rcr50en (1m - 12m ), rcr50+ and rcr60 (resistance range 1m - 12m ) is recognized by ul1676 (file #e159326) csa-c22.2 no. 1-m94 ? rcr50en (100k - 33m ) and rcr60 (resistance range 470k - 56m ) approved to en60065 safety requirements (bsi, vde) ? high working voltage available in rcr60 ? ruo 2 thick film resistive film ? marking: blue-gray body color with color-coded bands ? products with lead-free terminations meet eu rohs requirements. pb located in glass material, electrode and resistor element is exempt per annex 1, exemption 5 of eu directive 2005/95/ec rcr16: t26, t52 rcr25: t26, t52 rcr50(+, en): t52 rcr60: t52 rcr75: t52 rcr100: t521, t631 l,m forming ordering information 2 significant figures + 1 multiplier for 5% 3 significant figures + 1 multiplier for 1% 16: 0.25w 25: 0.25w 50: 0.5w 60: 1w 75: 2w 100: 3w c: sncu rcr f: 1% j: 5% rcr 50 c termination material type power rating rcr50+: + rcr50en: en blank: others en safety appr. marking nominal resistance tolerance taping and forming new part # t52 105 a: ammo r: reel packaging a j for further information on packaging, please refer to appendix c. dimensions and construction ceramic core d d marking resistive film flame retardant coating trimming line end cap lead wire l l t t c l c (max.) rcr16 .126.008 (3.20.2) .134 (3.4) .28 (7.1) .018 (0.45) .098.02 (2.50.5) .024 (0.6) .787 min. (20.0 min.) .028 (0.7) .138.016 (3.50.4) .118 (3.0) .248.02 (6.30.5) .374.039 (9.51.0) rcr25 rcr50(+) rcr50en rcr60 type t (max.) d d (nom.) l dimensions inches (mm) .118 (3.0) .157.02 (4.00.5) .031 (0.8) .472.039 (121.0) rcr75 .067 +.008 -.004 (1.7 +0.2 ) -0.1 rcr100 .610.039 (15.51.0) .031 (0.8) .118 (3.0) .236 +.039 -.016 (6.0 +1.0 ) -0.4 .374 +.039 -.004 (9.5 +1.0 ) -0.2 absolute maximum working voltage resistance range e-24, e-96 (f1%) resistance range e-24 (j5%) part designation operating temperature range power rating @ 70c applications and ratings minimum dielectric withstanding voltage rcr16 rcr25 rcr60 rcr50+ rcr50 0.25w 0.5w 1.0w 300v 700v 1000v 1000v 500v dc 1600v ac 1150v dc 2000v ac 1500v 100k - 1m 100k - 5.1m 100k - 33m 3.3 - 910k 13m - 33m 2000v 4000v 2.0w 5000v 5000v 2500v 1m - 12m 100k - 56m rcr100 rcr75 3.0w 100k - 100m 100k - 33m 100k - 9.1m 3.3 - 910k 1m - 9.1m rcr50en 100k - 33m 100k - 9.1m 100k - 9.1m 100k - 9.1m 100k - 9.1m absolute maximum overload voltage -55c to +155c eu new new 1733 reader's spreads pg1-203:document 1/27/09 4:09 pm page 112
rcr anti-surge power type leaded resistor derating curve environmental applications % rated po wer 100 80 60 40 20 -60 -40 0 4 0608 01 001 60 70 20 ambient temperature (c) 0 -55 120 155 -20 140 pms 300 neg. black neg. notice of surge load surge withstanding load voltage for the resistors cannot be guarantee when the undermentioned 4 items get to a remarkable overload in comparison with the conditions shown by surge withstanding voltage in anti-surge characteristics. please contact koa in advance if such a case is anticipated. 1. peck voltage to be applied 2. pulse width 3. conditions of protecting insulation around the resistor 4. situation of proximity conductivity object for example: in the figure, a metal wire is placed less than 5mm away from the resistor body, there is such a case that causes an electric discharge by a surge load 10kv and then destroys the outer coating. discharge 10kv about 5mm metal wire resistance measuring points are 10mm 1mm from the end cap within regulated tolerance resistance to solder heat 260c 5c, 10 seconds 1 second or 350c 10c, 3.5 seconds 0.5 seconds 1 0.5 terminal strength twist 360, 5 times no mechanical damage rapid change of temperature -55c (30 minutes)/+155c (30 minutes), 5 cycles 1 0.5 endurance @ 70c 70c 2c, 1000 hours, 1.5 hr on, 0.5 hr off cycle 5 2.5 surge withstanding 10 2.5 moisture resistance 40c 2c, 90-95% rh, 1000 hours, 1.5 hr on, 0.5 hr off cycle rcr16, 25, 50 (+), 60: w; rcr75, 100: wx0.1 5 2.5 en60065 test (rcr50en, rcr60 only) discharge test: 10kv, 1000pf capacitor discharge pulse, 50 times (1 pulse/5 seconds maximum) 20 resistance to solvent isopropyl alcohol with ultrasonic washing, 2 minutes power: 0.3w/cm 2 , f: 28khz, temperature: 35c 5c discharge test: 2kv - 10kv, 0.01f capacitor discharge pulse, 10 times (1 pulse/5 seconds maximum) no visible damage to protective coating and marking overload rated voltage x 2.5 or maximum overload voltage for 5 seconds, whichever is less 1 0.5 t.c.r. room temperature/100c up performance characteristics parameter requirement ? r (% + 0.05 ) limit typical test method 100k - 5.1m resistance range t.c.r. 200ppm/c 100k - 33m 350ppm/c 3.3 - 91k 500ppm/c 100k - 33m 350ppm/c 100k - 56m 350ppm/c rcr50 (+) rcr60 rcr75 rcr16 rcr25 type 100k - 33m 350ppm/c rcr50en 100k - 100m 350ppm/c 470k - 33m 350ppm/c rcr100 rcr50en, rcr60, rcr75, rcr100 10kv rcr25 3kv rcr16 type applied voltage 2kv rcr50, rcr50+ 3.3 - 6.2 : 10kv 6.8 - 10 : 7kv 11 - 9.1k : 5kv 10k - 91k : 7kv 100k - 33m : 10kv 115 koa speer electronics, inc. ? 199 bolivar drive ? 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. 3/06/07 resistors 1733 reader's spreads pg1-203:document 1/27/09 4:09 pm page 113
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