NT Features PL IA ■ *R oH S CO M ■ ■ A C50M6G ■ Applications Radial leaded devices Aids compliance with: - ITU-T K.20, K.21, K.45 Narrow resistance tolerance RoHS compliant* Used as a secondary overcurrent protection device in: ■ Customer Premise Equipment (CPE) ■ Central Office (CO) ■ Access equipment CMF-RLC Series - Telecom CPTC Resettable Fuses Electrical Characteristics Max. Voltage Withstand Model Rated Resistance (RN) Packaging Resistance Matching Hold Current Vrms Ohms Tolerance Ohms CMF-RLC50 650 50 ±20 % ± 0.5 0.065 CMF-RLC50-10 650 50 ±10 % ± 0.5 0.065 Trip Current Imax @ Time to Trip 230 VAC @ Imax/ 230 VAC Amps @ 25 °C Amps @ 25 °C Amps Seconds 0.150 <3 < 0.1 0.150 <3 < 0.1 Test Procedures And Requirements For Model CMF-RLC Series Test Test Conditions Requirements* Lightning Surge ..................................10/1000 µs / 1k V / 25 A / 30 Cycles, every 3 Min. ..................................(Ri-Rf) / Ri < ±10 % Power Induction..................................600 V, 1 A, 1 Sec., 10 Cycles, every 1 Min. ..............................................(Ri-Rf) / Ri < ±10 % Power Contact ....................................230 V, 23 A, 15 Min. ..................................................................................(Ri-Rf) / Ri < ±10 % Overvoltage Withstand ......................380 V, 3 A, 4 Hours, 1 Time ......................................................................(Ri-Rf) / Ri < ±10 % Failure Mode ......................................600 V, RL=0, 60 Min, 1 Time ....................................................................** Ri = R initial Rf = R final ** Circuit disconnected or high reinforce is acceptable. Product Dimensions A Nom. 9.0±0.20 (0.354±.008) Model CMF-RLC50 B Nom. 4.5±0.20 (0.177±.008) C Nom. 9.6±0.20 (0.378±.008) D Nom. 4.7±0.20 (0.185±.008) E Nom. 2.54±0.20 (0.100±.008) F Nom. 5.08 ± 0.20 (0.200±.008) G Nom. 0.8 (0.031) Packaging options: BULK: 192 pcs. per box Typical Part Marking B CERAMIC CASE C PART IDENTIFICATION: 50M = CMF-RLC50 50K = CMF-RLC50-10 MANUFACTURER'S TRADEMARK C50M6G D G E Reliable Electronic Solutions MM (INCHES) How to Order Represents total content. Layout may vary. CMF-RLC SERIES, REV. C, 01/08 Sn/Cu DIMENSIONS = A F Physical Characteristics Material BI-WEEKLY DATE CODE: WEEK 13-14 = G YEAR CODE: 6 = 2006 CMF - RLC 50 -10 - 0 Product Designator Style RLC = Telecom Radial Leaded CPTC Ceramic Case Rated Resistance (RN) 50 (50 Ohms) Rated Resistance Tolerance -10 = ±10 % Blank = ±20 % (Standard) Packaging Options - 0 = Bulk Packaging 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 *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.