PL IA NT CO M Features Applications Radial leaded devices Used as a secondary overcurrent protection device in: Customer Premise Equipment (CPE) Central Office (CO) Access equipment *R oH S Aids compliance with: - ITU-T K.20/21/45 - Telcordia GR-1089-CORE - UL 60950, 3rd Ed. Narrow resistance tolerance RoHS compliant* CMF-RL Series - Telecom CPTC Resettable Fuses Electrical Characteristics Model Induction Voltage Withstand Rated Voltage VAC 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 Volts 220 220 220 220 220 220 220 220 220 220 220 220 220 220 220 220 CMF-RL10 CMF-RL10-10 CMF-RL25 CMF-RL25U CMF-RL35 CMF-RL35-10 CMF-RL35A CMF-RL35A-10 CMF-RL50 CMF-RL50-10 CMF-RL50A CMF-RL50A-10 CMF-RL55 CMF-RL55-10 CMF-RL55A CMF-RL55A-10 Rated Resistance (RN) Ohms 10 10 25 25 35 35 35 35 50 50 50 50 55 55 55 55 Tolerance 20 % 10 % 20 % 20 % 20 % 10 % 10 % 10 % 20 % 10 % 20 % 10 % 20 % 10 % 20 % 10 % Packaging Resistance Matching Ohms @ 25 C 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Hold Current Amps @ 25 C 0.15 0.15 0.100 0.060 0.075 0.075 0.075 0.075 0.065 0.065 0.050 0.050 0.065 0.065 0.050 0.050 Trip Current Amps @ 25 C 0.30 0.30 0.200 0.150 0.150 0.150 0.150 0.150 0.150 0.150 0.100 0.100 0.150 0.150 0.100 0.100 Imax @ 220 VAC Amps @ 25 C 3 3 3 0.9 3 3 3 3 3 3 3 3 3 3 3 3 Time to Trip @ Imax / 220 VAC Seconds @ 25 C 0.45 0.45 0.3 0.25 0.15 0.15 0.15 0.15 0.15 0.15 0.1 0.1 0.15 0.15 0.1 0.1 Operating Temperature Range: -40C to +125 C 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 < 10 % Power Induction - ITU-T K.20, K.21............. None .............. 600V rms, 600 ohms, 0.2 seconds, 10 cycles, every 1 Min. ...... (Ri-Rf) / Ri < 10 % Power Induction - ITU-T K.20, K.21............. GDT ............... 600 V rms, 600 ohms, 1 second, 10 cycles, every 1 Min. ......... (Ri-Rf) / Ri < 10 % Power Induction - ITU-T K.20, K.21............. GDT ............... 600 V rms, 200 ohms, 1 second, 10 cycles, every 1 Min. ......... (Ri-Rf) / Ri < 10 % Lightning Surge - ITU-T K.20, K.21 ..................................... 10/700 s, 25 ohms, 1.0 kV, 10 Tests, every 1 Min. ................. (Ri-Rf) / Ri < 10 % Lightning Surge ................................................................... 10/1000 s, 40 ohms, 1.0 kV, 30 Tests, every 3 Min. ............... (Ri-Rf) / Ri < 10 % Ri = R initial Rf = R final 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. How to Order Typical Part Marking Represents total content. Layout may vary. 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 MANUFACTURER'S TRADEMARK 50 6 G BI-WEEKLY DATE CODE: WEEK 13-14 = G YEAR CODE: 6 = 2006 NOTE: UNCOATED PARTS ARE UNMARKED. 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 = 10 % Blank = 20 % (Standard) Packaging Options - 0 = Bulk Packaging - Plastic Tray Alternative tolerances, resistances and lead lengths available on request. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CMF-RL Series - Telecom CPTC Resettable Fuses Product Dimensions A B C D 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 Model E F Characteristics Packaging: BULK: CMF-RL25U & CMF-RL50A = 700 pcs. per bag; all other models = 600 pcs. per tray. Style 1 DIMENSIONS: Style 2 A Style 3 A B A B C E MM (INCHES) D C C D D E F F B E F CMF-RL SERIES, REV. R, 07/12 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.