pr series ? cost effective high-voltage surge resistors to 200 joules ? available on rcds exclusive swift tm program ? molded surface mount version available ( prm series) options ? opt. er: group a screening per mil-r-39008 rcr ? opt. f: flameproof coating ? opt. b: increased power (see specifcations table) ? opt. x: non-inductive (see performance char. table) ? custom marking, cut & form, burn-in, etc. surge resistors, 1/8w to 15w, 2kv to 25kv excellent low cost replacement for composition resistors series pr pulse resistors withstand higher energy pulses than conven- tional flm & wirewound types, without the performance disadvant ages of carbon comp resistors. the heavy duty construction features a high thermal conductivity core and coating, enabling improved stability and environmental performance. series pr satisy a wide variety of pulse applications including lightning, snubber, in-rush current, capacitor charge, etc. rohs (sn) or mil-spec (sn-pb) termination fnish available. specifications inch [mm] d l h d rcd type wattage rating max. continuous voltage 1,5,8 max. peak pulse voltage 2,5,8 resistance range 5 l (body length) d 6 (body dia.) d.004 [.1] h 4 (min) standard option b pr1/8 1/8w 1/2w 150v 2kv 0.1w-2k .145.025 [3.69.64] .062.015 [1.6.38] .018 [.46] 1.0 [25.4] pr1/4 1/4w 1w 250v 3.5kv 0.1w-10k .240.032 [6.1.8] .085.025 [2.16.64] .022 [.56] 1.0 [25.4] pr1/2 1/2w 2w 350v 5kv 0.1w-24k .375.040 [9.21] .156.025 [3.96.64] .028 [.7] 1.25 [32] pr1 1w 4w 500v 10kv 0.1w-100k .600.040 [15.21] .225.032 [5.72.8] .031 [.8] 3 1.25 [32] pr2 2w 5w 750v 15kv 0.1w-200k .875.062 [22.21.6] .312.040 [7.921] .039 [1] 3 1.375 [35] 7 pr5 5w 10w 800v 18kv 0.1w-220k 1.05.062 [26.7 1.6] .350.040 [8.891] .039 [1] 1.375 [35] pr10 10w 15w 1000v 25kv 0.1w-510k 1.72.062[43.71.6] .350.040 [8.891] .039 [1] 1.375 [35] resistors ? capacitors?coils? delay lines rcd pr2 10k 5% 1 max voltage = (pxr), not to exceed value listed. 2 pulse voltage & energy capability is dependent on res.value, waveform, repetition rate, & environmental conditions (refer to r-42 for derating factors). 3 .040 (1mm) lead dia. is available on pr1 (specify pr1-18), .032 [.8mm] lead dia. is available on pr2 (specify pr2-20) 4 lead length is for bulk packaging, taped parts may be shorter (consult taping dimensions). 5 expanded range avail. 6 allow .024 [.6mm] additonal for opt. x or values <1w 7 specify opt. 56 for 1.5 [38.1] min. lead length, opt. 70 for 2 [50.8] lead length 8 multiply by 0.7 on opt.x parts. rohs term.w is pb-free and rohs compliant; q is sn-pb fa029 k sale of this product is in accordance with gf-061. specifcations subject to change without notice. performance characteristics, typ. application note * specify opt.75 for induc levels 50% that of opt.x, or opt.76 for 33% that of opt.x derating, wattage & voltage pr1/8-pr2: 1.25%/c >70c, pr5-pr10 & opt. b: 0.8%/c >25c max.induc*: opt. x 50w 0.2uh pr1/8x-pr1/2x,0.3uh pr1x-pr2x, 0.7uh pr5x-pr10x max.induc*: opt. x > 50w 0.37uh pr1/8x-pr1/2x, 0.6uh pr1x- pr2x, 1.4uh pr5x-pr10x short-time overload 0.5% temperature cycling 0.5% tcr (20 & 50ppm avail.) 100ppm/c(<0.2w=200ppm) moisture resistance 1% shock and vibration 0.2% effect of soldering 0.2% voltage coeffcient 0.005%/v load life 0.5% std, 1% opt.b operating temp range -55 to +150c, +275c avail. dielectric strength (1kv avail.) 500v (pr1/8 & pr1/4 =300v) rcd components inc, 520 e.industrial park dr, manchester, nh, usa 03109 rcdcomponents.com tel: 603 - 669 - 0054 fax: 603 - 669 - 5455 email:sales@rcdcomponents.com 73 use chart above to select model to meet desired surge level. pulse not to exceed peak v & j ratings (derate 30% for opt.x), and average power during repetitive pulses nte rated w. a safety factor of 30% typ. is recommended for infrequent pulses, 50% typ. for repetitive pulses (refer to note r42 for derating factors at- tributable to pulse width, rep. rate, temp., altitude, humidity). verify by evaluating under worst-case conditions. depending on specifcs, pr series c an often satisfy the surge requirements of ul-217, -268, -294, -497, -508, -913, -943, -991, -1459, -1971, ansi/ieee c62.41, ccitt (rec. k17), bellcore tr-nwt-001089 & tr- tsy-000057, csa c22.2-225, iec 664, iec 801.5, ieee587, can.doc. cs-03, fcc part 68., etc. consult factory for assistance. p/n designation: pr1/2 - 102 - k t w options : x, s, f, er, b (leave blank if std) resis. code 1% tol: 3 signif. fgures & multiplier, e.g. r100=0.1 w, 1r00=1w, 10r0=10w, 1000=100 w, 1001=1k. 2%-10%: 2 signif.fg. & multiplier (r10=0.1 w, 1r0=1w, 100=10w, 102=1k) termination : w= rohs (std), q= tin/lead (leave blank if either is acceptable) optional tc : 20 =20ppm, 50= 50ppm (leave blank if standard) packaging : b = bulk, t = tape & reel tolerance : j=5% (standard), f=1%, g=2%, k=10% rcd type surge capability energy rating, joules (j) 0.1 0.25 0.5 .75 1 2.5 5 7.5 10 25 50 75 100 250 500 750 1k 2.5k 5k 7.5k 10k 25k 50k 75k 100k resistance value (ohms) 1000 100 10 1 pr1 pr2 pr5 pr10 pr1/8 pr1/4 pr1/2
|
