Features Applications n Radial leaded devices Used as a secondary overcurrent protection device in: n Aids compliance with: - ITU-T K.20/21/45 n Customer Premise Equipment (CPE) - Telcordia GR-1089-CORE n Central Office (CO) - UL 60950, 3rd Ed. n Access equipment n Narrow resistance tolerance n Agency recognition: n RoHS compliant* CMF-RL Series - Telecom CPTC Resettable Fuses Electrical Characteristics Rated Rated Induction Packaging Voltage Resistance Voltage Resistance Hold Trip Imax Time to Trip Model Withstand (Vr) (Rn) Matching Current Current 230 Vac Imax / Vr Ohms Amps Amps Amps Seconds VAC Volts Ohms Tolerance 25 C 25 C 25 C 25 C 25 C CMF-RL10 600 60 Vdc 10 20 % 0.5 0.15 0.30 3 0.45 CMF-RL10-10 600 60 Vdc 10 10 % 0.5 0.15 0.30 3 0.45 CMF-RL25** 600 230 Vac 25 20 % 0.5 0.100 0.200 3 0.3 CMF-RL25U** 600 230 Vac 25 20 % 0.5 0.060 0.150 0.9 0.5 CMF-RL35 600 230 Vac 35 20 % 0.5 0.080 0.220 3 0.15 CMF-RL35-10 600 230 Vac 35 10 % 0.5 0.080 0.220 3 0.15 CMF-RL35A** 600 230 Vac 35 20 % 0.5 0.080 0.220 3 0.15 CMF-RL35A-10** 600 230 Vac 35 10 % 0.5 0.080 0.220 3 0.15 CMF-RL50 600 230 Vac 50 20 % 0.5 0.065 0.150 3 0.15 CMF-RL50-10 600 230 Vac 50 10 % 0.5 0.065 0.150 3 0.15 CMF-RL50A** 600 230 Vac 50 20 % 0.5 0.050 0.100 3 0.1 CMF-RL50A-10** 600 230 Vac 50 10 % 0.5 0.050 0.100 3 0.1 CMF-RL55 600 230 Vac 55 20 % 0.5 0.060 0.150 3 0.15 CMF-RL55-10 600 230 Vac 55 10 % 0.5 0.060 0.150 3 0.15 CMF-RL55A** 600 230 Vac 55 20 % 0.5 0.050 0.100 3 0.1 CMF-RL55A-10** 600 230 Vac 55 10 % 0.5 0.050 0.100 3 0.1 Operating Temperature Range: -40C to +125 C ** UL recognition pending 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. UL File Number ........................................... E307915 ....... CMF-RL Series - Telecom CPTC Resettable Fuses How to Order Typical Part Marking Represents total content. Layout may vary. CMF - RL 50 A -10 - 0 PART MANUFACTURER S Product Designator IDENTIFICATION: TRADEMARK Style 10 = CMF-RL10 RL = Telecom Radial Leaded CPTC 25 = CMF-RL25 BI-WEEKLY 25U = CMF-RL25U 506G Rated Resistance (RN) DATE CODE: 35 = CMF-RL35 10-55 (10 Ohms - 55 Ohms) WEEK 13-14 = G 50 = CMF-RL50 Uncoated Option 55 = CMF-RL55 YEAR CODE: 10K = CMF-RL10-10 U = Uncoated Part Blank = Standard Part 6 = 2006 35K = CMF-RL35-10 Size Option 50K = CMF-RL50-10 A = Reduced Size Blank = Standard Size 55K = CMF-RL55-10 35A = CMF-RL35A NOTE: Rated Resistance Tolerance 50A = CMF-RL50A UNCOATED PARTS ARE UNMARKED. -10 = 10 % Blank = 20 % (Standard) 55A = CMF-RL55A Packaging Options 35AK = CMF-RL35A-10 - 0 = Bulk Packaging - Tray or Bag 50AK = CMF-RL50A-10 55AK = CMF-RL55A-10 Alternative tolerances, resistances and lead lengths available on request. Product Dimensions A B C D E F Characteristics Model Max. Max. Max. Nom. Nom. Nom. Material Style CMF-RL10 9.8 5.0 14.0 2.84 ~ 3.84 0.6 0.05 5.0 1.5 Sn/Cu 1 CMF-RL10-10 (0.366) (0.197) (0.551) (0.112 ~ 0.151) (0.024 0.002) (0.197 0.059) 9.8 5.0 14.0 2.84 ~ 3.84 0.6 0.05 5.0 1.5 CMF-RL25 Sn/Cu 1 (0.386) (0.197) (0.551) (0.112 ~ 0.151) (0.024 0.002) (0.197 0.059) 5.2 3.5 5.2 25 . 0.6 0.05 5.0 1.5 CMF-RL25U MIN. Sn/Cu 2 (0.205) (0.138) (0.205) (0.984) (0.024 0.002) (0.197 0.059) CMF-RL35 9.8 5.0 14.0 2.84 ~ 3.84 0.6 0.05 5.0 1.5 Sn/Cu 1 CMF-RL35-10 (0.386) (0.197) (0.551) (0.112 ~ 0.151) (0.024 0.002) (0.197 0.059) CMF-RL35A 8.5 4.5 13.0 2.84 ~ 3.84 0.6 0.05 5.0 1.5 Sn/Cu 1 CMF-RL35A-10 (0.335) (0.177) (0.512) (0.112 ~ 0.151) (0.024 0.002) (0.197 0.059) CMF-RL50 9.8 5.0 14.0 2.84 ~ 3.84 0.6 0.05 5.0 1.5 Sn/Cu 1 CMF-RL50-10 (0.386) (0.197) (0.551) (0.112 ~ 0.151) (0.024 0.002) (0.197 0.059) CMF-RL50A 7.5 4.5 13.0 2.84 ~ 3.84 0.6 0.05 5.0 1.5 Sn/Cu 1 CMF-RL50A-10 (0.295) (0.177) (0.512) (0.112 ~ 0.151) (0.024 0.002) (0.197 0.059) CMF-RL55 9.8 5.0 14.0 2.84 ~ 3.84 0.6 0.05 5.0 1.5 Sn/Cu 1 CMF-RL55-10 (0.386) (0.197) (0.551) (0.112 ~ 0.151) (0.024 0.002) (0.197 0.059) CMF-RL55A 7.5 4.5 13.0 2.84 ~ 3.84 0.6 0.05 5.0 1.5 Sn/Cu 1 CMF-RL55A-10 (0.295) (0.177) (0.512) (0.112 ~ 0.151) (0.024 0.002) (0.197 0.059) MM DIMENSIONS: Style 1 Style 2 (INCHES) A B A B A B Bulk Packaging Specifications CMF-RL25U & C C C CMF-RL50A-10 .......... 700 pcs. per bag All other models ............... 300 pcs. per tray D D E D E E F F F CMF-RL SERIES, REV. V, 12/18 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.