MF-RX012/250-2

Features Applications Radialleadeddevices CustomerPremise Equipment(CPE) Fast trip resettablePTCs Central Ofce / TelecomCenters(CO) Binnedand sorted narrow resistance Accessequipment ranges available RoHS compliant* Agency recognition: MF-RX/250 Series - Telecom PTC Resettable Fuses Electrical Characteristics One Hour Maximum Tripped Initial (R ) Maximum Agency Maximum 1 Power Interrupt I I hold trip Resistance Post-Trip Time to Trip Recognition Operating Ratings Dissipation Resistance Voltage Model (DC) at 23 C at 23 C at 23 C Vrms Amps at 23 C cUL TV at 23 C Ohms Ohms Ohms E174545 R 50260658 Volts Max. Max. Amps Min. Max. Max. Amps Sec. Max. MF-RX012/250 60 250 3 0.12 0.24 4.0 8.0 16.0 1.0 2.5 1.0 MF-RX012/250-A 60 250 3 0.12 0.24 7.0 9.0 16.0 1.0 2.5 1.0 MF-RX012/250-C 60 250 3 0.12 0.24 5.5 7.5 14.0 1.0 2.5 1.0 MF-RX012/250-F 60 250 3 0.12 0.24 6.0 10.5 16.0 1.0 2.5 1.0 MF-RX012/250-G 60 250 3 0.12 0.24 5.5 6.5 16.0 1.0 2.5 1.0 MF-RX012/250-H 60 250 3 0.12 0.24 9.0 10.5 16.0 1.0 2.5 1.0 MF-RX012/250-T 60 250 3 0.12 0.24 7.0 12.0 16.0 1.0 2.5 1.0 MF-RX012/250-1 60 250 3 0.12 0.24 6.0 9.0 16.0 1.0 2.5 1.0 MF-RX012/250-2 60 250 3 0.12 0.24 8.0 10.5 16.0 1.0 2.5 1.0 MF-RX012/250U 60 250 3 0.12 0.24 6.0 10.0 16.0 1.0 2.5 1.0 MF-RX014/250 60 250 3 0.145 0.28 3.0 6.0 14.0 1.0 5.0 1.0 MF-RX014/250-A 60 250 3 0.145 0.28 3.0 5.5 12.0 1.0 5.0 1.0 MF-RX014/250-B 60 250 3 0.145 0.28 4.5 6.0 14.0 1.0 5.0 1.0 MF-RX014/250-C 60 250 3 0.145 0.28 3.0 4.0 14.0 1.0 5.0 1.0 MF-RX014/250-T 60 250 3 0.145 0.28 5.4 7.5 14.0 1.0 5.0 1.0 MF-RX014/250U 60 250 3 0.145 0.28 3.5 6.5 12.0 1.0 4.0 1.0 MF-RX018/250 60 250 10 0.18 0.50 0.8 2.0 4.0 1.0 20 1.0 MF-RX018/250U 60 250 10 0.18 0.50 0.8 2.0 4.0 1.0 20 1.0 U suffix indicates product without insulation coating. Environmental Characteristics Additional Information Click these links for more information: Item Condition Criteria Operating Temperature -40 C to +85 C Recommended Storage +40 C max. / 70 % R.H. max. PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT SELECTOR LIBRARY 15 % typical resistance Passive Aging +85 C, 1000 hours change 15 % typical resistance Humidity Aging +85 C, 85 % R.H. 1000 hours change 15 % typical resistance Thermal Shock -55 C to +125 C, 10 times change No change Solvent Resistance MIL-STD-202, Method 215 (marking still legible) Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com MIL-STD-883C, Method 2007.1 15 % typical resistance Vibration Condition A change EMEA: Tel: +36 88 885 877 Email: eurocus bourns.com Moisture Sensitivity Level See Note (MSL) The Americas: Tel: +1-951 781-5500 Email: americus bourns.com ESD Classication Class 6 (per AEC-Q200-2, HBM) www.bourns.com * RoHS Directive 2015/863, Mar 31, 2015 and Annex. WARNING Specifications are subject to change without notice. Users should verify actual device performance in their specific Cancer and Reproductive Harm applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last www.P65Warnings.ca.gov page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.Additional Features Ability to withstand AC power cross conditions Assists equipment with meeting ITU-T K.20/K.21/K.45 Assists equipment with meeting Telcordia GR-1089-C Intrabuilding MF-RX/250 Series - Telecom PTC Resettable Fuses Test Procedures and Requirements Item Test Condition Accept/Reject Criteria Visual/Mechanical Verify dimensions and materials Per MF physical description Resistance In still air 23 C R R R min max Time to Trip At specified current, V , 23 C, still air T max. time to trip (seconds) max Hold Current 30 min. at I , still air No trip hold Trip Cycle Life V , I , 100 cycles No arcing or burning max max Trip Endurance V , 48 hours No arcing or burning max Solderability 245 C 5 C, 5 seconds 95 % min. coverage Thermal Derating Chart - I (Amps) hold Ambient Operating Temperature Model -40 C -20 C 0 C 23 C 40 C 50 C 60 C 70 C 85 C MF-RX012/250 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250-A 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250-C 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250-F 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250-G 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250-H 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250-T 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250-1 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250-2 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX012/250U 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX014/250 0.225 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060 MF-RX014/250-A 0.225 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060 MF-RX014/250-B 0.225 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060 MF-RX014/250-C 0.225 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060 MF-RX014/250-T 0.225 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060 MF-RX014/250U 0.225 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060 MF-RX018/250 0.269 0.240 0.211 0.180 0.153 0.138 0.123 0.109 0.087 MF-RX018/250U 0.269 0.240 0.211 0.180 0.153 0.138 0.123 0.109 0.087 I is approximately two times I . trip hold Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.