cmf-sdp series - telecom cptc resettable fuses typical induction rated resistance time to trip voltage rated resistance matching hold trip imax @ @ imax/ model withstand voltage (rn) in housing current current 230 vac 230 vac vac volts ohms tolerance ohms amps @ 25 c amps @ 25 c amps seconds cmf-sdp07 600 230 7 20 % 0.5 0.150 0.350 3.0 0.45 cmf-sdp10 600 230 10 20 % 0.5 0.180 0.360 1.0 3.8 cmf-sdp10a 600 230 10 20 % 0.5 0.150 0.360 1.0 3.8 cmf-sdp25 600 230 25 20 % 0.5 0.130 0.260 2.8 0.2 cmf-sdp25a 600 230 25 20 % 0.5 0.130 0.260 2.8 0.3 cmf-sdp35 600 230 35 +15/-20 % 0.5 0.110 0.230 4.6 0.06 cmf-sdp35a 600 230 35 +15/-20 % 0.5 0.110 0.230 4.6 0.04 cmf-sdp50 600 230 50 15 % 0.5 0.090 0.190 2.5 0.13 cmf-sdp50a 600 230 50 15 % 0.5 0.090 0.190 2.5 0.1 cmf-sdp75 600 230 75 20 % 1 0.070 0.150 2.5 0.12 electrical characteristics features two resistance-matched ptcs in a plastic housing narrow resistance tolerance rohs compliant* applications used as a secondary overcurrent protection device in: customer premise equipment (cpe) central office (co) access equipment *rohs compliant operating temperature range: -40c to +125 c *rohs directive 2002/95/ec jan 27 2003 including annex. specifications are subject to change without notice. customers should verify actual device performance in their specific applications. 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......................................................................10/100 s, 25 ohms, 1.5 kv, 30 tests, every 3 min. ..................(ri-rf) / ri < ?0 % ri = r initial rf = r final test procedures and requirements for model cmf-sdp series how to order cmf - sd p 35 a -xx - 2 product designator style sd = surface mount dual pkg. housing p = plastic rated resistance (rn) 7-75 (7-75 ohms) footprint and height option blank = standard product a = reduced footprint and height resistance tolerance option blank = standard -xx = xx %; e.g. -10 = 10 % packaging options - 2 = tape & reel typical part marking represents total content. layout may vary. 35p8g manufacturer's trademark part identification: 07p = cmf-sdp07 10p = cmf-sdp10 10pa = cmf-sdp10a 25p = cmf-sdp25 25pa = cmf-sdp25a 35p = cmf-sdp35 35pa = cmf-sdp35a 50p = cmf-sdp50 50pa = cmf-sdp50a 75p = cmf-sdp75 year code: 8 = 2008 bi-weekly date code: week 13-14 = g asia-pacific: tel: +886-2 2562-4117 fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 fax: +1-951 781-5700 www.bourns.com
solder reflow recommendations 160?20 300 250 200 150 100 50 0 10?0 temperature ( c) 120 preheating soldering cooling time (seconds) solder reflow recommended reflow methods: ir, vapor phase oven, hot air oven. devices are not designed to be wave soldered to the bottom side of the board. gluing the devices is not recommended. recommended maximum paste thickness is 0.25 mm (.010 inch). devices can be cleaned using standard industry methods and solvents. note: if reflow temperatures exceed the recommended profile, devices may not meet the performance specifications. rework a device should not be reworked. cmf-sdp series, rev. c, 11/08 cmf-sdp series - telecom cptc resettable fuses specifications are subject to change without notice. customers should verify actual device performance in their specific applications. product dimensions recommended pad layout recommended pad layout packaging options: tape & reel: 350 pcs. per reel packaging options: tape & reel: 400 pcs. per reel mm (inches) dimensions = 8.75 (.344) max. max. max. 7.2 (.283) 3.9 (.154) 0.5 (.020) 2 plcs. 10.2 (402) 2.4 (.094) cmf-sdp10a, 25a, 35a & 50a 5.0 (.197) 11.0 (.433) max. 9.0 (.354) max. 11.5 (.453) max. 2.6 (.102) cmf-sdp07, 10, 25, 35, 50 & 75 7.2 (.283) max. 8.75 (.344) max. 3.2 (.126) 2.0 (.079) 2.4 (.094) 6.3 (.248) 3.9 (.154) 8.2 (.323) 9.0 (.354) 10.0 (.394) 3.2 (.126) 2.0 (.079) 2.6 (.102) 7.6 (.299) 11.0 (.433) 5.0 (.197)
cmf-sdp10-2, cmf-sdp25-2, cmf-sdp-35-2, cmf-sdp50-2, cmf-sdp10a-2, cmf-sdp25a-2, tape dimensions per eia 481-2 cmf-sdp75-2 cmf-sdp35a-2, cmf-sdp50a-2 w p 0 p p 2 a 0 b 0 d 0 f e 1 t 1 k 0 specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cmf-sdp series tape and reel specifications dimensions = mm (inches) 24.0 0.5 (0.945 0.020 ) 4.0 (0.157) 2.0 (0.079) 9.1 0.2 (0.358 0.008) 11.20 0.2 (0.441 0.008) 1.75 (0.069) 11.7 0.2 (0.433 0.008) 11.5 (0.453) 1.5 (0.059) a 0 p p 0 t k 0 b 0 f e w p 2 -0.4 (-.016) d 13.2 +0.2/-0 (.520 +.008/-0 100 1.5 (3.94 .059) dia. 24.4 (.961) 30.4 (1.197) max. min. 330 -2/+0 (12.99 -.079/+0) dia. 0.5 0.15 (0.020 0.006) 24.0 0.5 (0.945 0.020 ) 4.0 (0.157) 2.0 (0.079) 16.0 (0.630) 16.0 (0.630) 7.5 0.2 (0.295 0.008) 9.0 0.2 (0.354 0.008) 1.75 (0.069) 10.0 0.2 (0.394 0.008) 11.5 (0.453) 1.5 (0.059) 0.5 0.15 (0.020 0.006)
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