features radial leaded devices aids compliance with: - itu-t k.20/21/45 - telcordia gr-1089-core - ul 60950, 3rd ed. narrow resistance tolerance rohs compliant* applications used as a secondary overcurrent protection device in: customer premise equipment (cpe) central of ce (co) access equipment cmf-rl series - telecom cptc resettable fuses *rohs directive 2002/95/ec jan 27 2003 including annex. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. test procedures and requirements for model cmf-rl series primary test protection test condition requirements* mains power contact - itu-t k.20, k.21 .... none .............. 230 v rms, 10 ohms, 15 min. .....................................................(ri-rf) / ri < ?0 % power induction - itu-t k.20, k.21 ............ none .............. 600v rms, 600 ohms, 0.2 seconds, 10 cycles, every 1 min. .... .(ri-rf) / ri < ?0 % power induction - itu-t k.20, k.21 ............ gdt................ 600 v rms, 600 ohms, 1 second, 10 cycles, every 1 min. ..... ...(ri-rf) / ri < ?0 % power induction - itu-t k.20, k.21 ............ gdt................ 600 v rms, 200 ohms, 1 second, 10 cycles, every 1 min. ..... ...(ri-rf) / ri < ?0 % lightning surge - itu-t k.20, k.21 ..................................... 10/700 s, 25 ohms, 1.0 kv, 10 tests, every 1 min. ..................(ri-rf) / ri < ?0 % lightning surge ................................................................... 10/1000 s, 40 ohms, 1.0 kv, 30 tests, every 3 min. ................(ri-rf) / ri < ?0 % ri = r initial rf = r nal test model test condition passing criteria ul 1950 ..........................................cmf-rl50* ................. 600 v / 2.2 a for 30 minutes. .................... ........no charring cheesecloth indicator 600 v / 7 a for 5 seconds 600 v / 40 a for 1.5 seconds *for other models, please contact bourns. electrical characteristics model induction voltage withstand rated voltage rated resistance (rn) packaging resistance matching hold current trip current imax @ 220 vac time to trip @ imax / 220 vac vac volts ohms tolerance ohms @ 25 ? amps @ 25 ? amps @ 25 ? amps @ 25 ? seconds @ 25 ? cmf-rl10 600 220 10 ?0 % 0.5 0.15 0.30 3 0.45 cmf-rl10-10 600 220 10 ?0 % 0.5 0.15 0.30 3 0.45 cmf-rl25 600 220 25 ?0 % 0.5 0.100 0.200 3 0.3 cmf-rl25u 600 220 25 ?0 % 0.5 0.060 0.150 0.9 0.25 cmf-rl35 600 220 35 ?0 % 0.5 0.075 0.150 3 0.15 cmf-rl35-10 600 220 35 ?0 % 0.5 0.075 0.150 3 0.15 cmf-rl35a 600 220 35 ?0 % 0.5 0.075 0.150 3 0.15 cmf-rl35a-10 600 220 35 ?0 % 0.5 0.075 0.150 3 0.15 cmf-rl50 600 220 50 ?0 % 0.5 0.065 0.150 3 0.15 cmf-rl50-10 600 220 50 ?0 % 0.5 0.065 0.150 3 0.15 cmf-rl50a 600 220 50 ?0 % 0.5 0.050 0.100 3 0.1 cmf-rl50a-10 600 220 50 ?0 % 0.5 0.050 0.100 3 0.1 cmf-rl55 600 220 55 ?0 % 0.5 0.065 0.150 3 0.15 cmf-rl55-10 600 220 55 ?0 % 0.5 0.065 0.150 3 0.15 cmf-rl55a 600 220 55 ?0 % 0.5 0.050 0.100 3 0.1 cmf-rl55a-10 600 220 55 ?0 % 0.5 0.050 0.100 3 0.1 how to order cmf - rl 50 __ a -10 - 0 product designator style rl = telecom radial leaded cptc rated resistance (rn) 10-55 (10 ohms - 55 ohms) uncoated option u = uncoated part blank = standard part size option a = reduced size blank = standard size rated resistance tolerance -10 = ?0 % blank = ?0 % (standard) packaging options - 0 = bulk packaging - plastic tray alternative tolerances, resistances and lead lengths available on request. typical part marking represents total content. layout may vary. 506g manufacturer's trademark part identification: 10 = cmf-rl10 25 = cmf-rl25 25u = cmf-rl25u 35 = cmf-rl35 50 = cmf-rl50 55 = cmf-rl55 10k = cmf-rl10-10 35k = cmf-rl35-10 50k = cmf-rl50-10 55k = cmf-rl55-10 35a = cmf-rl35a 50a = cmf-rl50a 55a = cmf-rl55a 35ak = cmf-rl35a-10 50ak = cmf-rl50a-10 55ak = cmf-rl55a-10 note: uncoated parts are unmarked. year code: 6 = 2006 bi-weekly date code: week 13-14 = g *rohs compliant
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. cmf-rl series - telecom cptc resettable fuses product dimensions packaging: bulk: cmf-rl25u & cmf-rl50a = 700 pcs. per bag; all other models = 600 pcs. per tray. dimensions: mm (inches) model a b c d e f characteristics max. max. max. nom. nom. nom. material style cmf-rl10 9.5 (0.374) 4.5 (0.177) 13.5 (0.531) 3.5 (0.138) 0.6 0.05 (0.024 0.019) 5.0 0.2 (0.197 0.008) sn/cu 1 cmf-rl25 9.8 (0.386) 5.0 (0.197) 13.5 (0.531) 3.0 - 3.5 (0.118 - 0.138) 0.6 0.05 (0.024 0.019) 5.0 0.3 (0.197 0.012) sn/cu 1 cmf-rl25u 5.2 (0.205) 3.5 (0.138) 5.2 (0.205) 3.8 (0.150) 0.6 0.05 (0.024 0.019) 5.0 0.2 (0.197 0.008) sn/cu 2 cmf-rl35 9.8 (0.386) 5.0 (0.197) 13.5 (0.531) 3.0 - 3.5 (0.118 - 0.138) 0.6 0.05 (0.024 0.019) 5.08 0.3 (0.200 0.012) sn/cu 1 cmf-rl35a 7.5 (0.295) 5.6 (0.220) 13.0 (0.512) 3.5 (0.138) 0.6 0.05 (0.024 0.019) 5.0 0.2 (0.197 0.008) sn/cu 1 cmf-rl50 9.8 (0.386) 5.0 (0.197) 13.5 (0.531) 3.0 - 3.5 (0.118 - 0.138) 0.6 0.05 (0.024 0.019) 5.08 0.3 (0.200 0.012) sn/cu 1 cmf-rl50a 7.5 (0.295) 5.6 (0.220) 13.0 (0.512) 3.5 (0.138) 0.6 0.05 (0.024 0.019) 5.0 0.2 (0.197 0.008) sn/cu 1 cmf-rl55 9.8 (0.386) 5.0 (0.197) 13.5 (0.531) 3.0 - 3.5 (0.118 - 0.138) 0.6 0.05 (0.024 0.019) 5.08 0.3 (0.200 0.012) sn/cu 1 cmf-rl55a 7.5 (0.295) 5.6 (0.220) 13.0 (0.512) 3.5 (0.138) 0.6 0.05 (0.024 0.019) 5.0 0.2 (0.197 0.008) sn/cu 1 a a b c d f f e e b c d a f e b c d style 1 style 2 style 3 cmf-rl series, rev. q, 03/04/10
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