CMF-SM25-2

Features Applications n Radial leaded devices Used as a secondary overcurrent protection device in: n Customer Premise Equipment (CPE) n Central Office (CO) n Access equipment n Aids compliance with: - ITU-T K.20/21/45 - Telcordia GR-1089-CORE - UL 60950, 3rd Ed. n Narrow resistance tolerance n Agency recognition: n RoHS compliant* CMF-RL Series - Telecom CPTC Resettable Fuses Electrical Characteristics Model Induction Voltage Withstand Rated Voltage (Vr) 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** VAC 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 Volts 60 Vdc 60 Vdc 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 230 Vac 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 % ±20 % ±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 0.080 0.080 0.080 0.080 0.065 0.065 0.050 0.050 0.060 0.060 0.050 0.050 Trip Current Amps @ 25 °C 0.30 0.30 0.200 0.150 0.220 0.220 0.220 0.220 0.150 0.150 0.100 0.100 0.150 0.150 0.100 0.100 Imax @ 230 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 / Vr Seconds @ 25 °C ≤ 0.45 ≤ 0.45 ≤ 0.3 ≤ 0.5 ≤ 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: -40°C 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 μs, 25 ohms, 1.0 kV, 10 Tests, every 1 Min. .................. (Ri-Rf) / Ri < ±10 % Lightning Surge.................................................................... 10/1000 μs, 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 ........ http://www.ul.com/ Follow link to Online Certificates Directory, then enter UL File No. E307915 or click here Environmental Characteristics Moisture Sensitivity Level........................................................................................................................................................................................1 ESD Classification (HBM).............................................................................................................................................................................Class 6 WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. 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.  CMF-RL Series - Telecom CPTC Resettable Fuses 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 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 - Tray or Bag Alternative tolerances, resistances and lead lengths available on request. MANUFACTURER'S TRADEMARK BI-WEEKLY DATE CODE: WEEK 13-14 = G 50 6 G YEAR CODE: 6 = 2006 NOTE: UNCOATED PARTS ARE UNMARKED. CMF - RL 50 __ A -10 - 0 Product Dimensions A B C D E F Max. Max. Max. Nom. Nom. Nom. Material Style CMF-RL10 CMF-RL10-10 9.8 (0.366) 5.0 (0.197) 14.0 (0.551) 2.84 ~ 3.84 (0.112 ~ 0.151) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 1 CMF-RL25 9.8 (0.386) 5.0 (0.197) 14.0 (0.551) 2.84 ~ 3.84 (0.112 ~ 0.151) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 1 CMF-RL25U 5.2 (0.205) 3.5 (0.138) 5.2 (0.205) 25 . MIN. (0.984) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 2 CMF-RL35 CMF-RL35-10 9.8 (0.386) 5.0 (0.197) 14.0 (0.551) 2.84 ~ 3.84 (0.112 ~ 0.151) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 1 CMF-RL35A CMF-RL35A-10 8.5 (0.335) 4.5 (0.177) 13.0 (0.512) 2.84 ~ 3.84 (0.112 ~ 0.151) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 1 CMF-RL50 CMF-RL50-10 9.8 (0.386) 5.0 (0.197) 14.0 (0.551) 2.84 ~ 3.84 (0.112 ~ 0.151) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 1 CMF-RL50A CMF-RL50A-10 7.5 (0.295) 4.5 (0.177) 13.0 (0.512) 2.84 ~ 3.84 (0.112 ~ 0.151) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 1 CMF-RL55 CMF-RL55-10 9.8 (0.386) 5.0 (0.197) 14.0 (0.551) 2.84 ~ 3.84 (0.112 ~ 0.151) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 1 CMF-RL55A CMF-RL55A-10 7.5 (0.295) 4.5 (0.177) 13.0 (0.512) 2.84 ~ 3.84 (0.112 ~ 0.151) 0.6 ± 0.05 (0.024 ± 0.002) 5.0 ± 1.5 (0.197 ± 0.059) Sn/Cu 1 Model Style 1 Characteristics Style 2 A DIMENSIONS: A B B A MM (INCHES) B Bulk Packaging Specifications C C CMF-RL25U & C CMF-RL50A-10........... 700 pcs. per bag All other models................ 300 pcs. per tray D E F D D E E 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.  Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and its affiliates (collectively, “Bourns”). Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change without notice. Users should check for and obtain the latest relevant information and verify that such information is current and complete before placing orders for Bourns® products. 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