08 LC77AY1 1 2 2 1 5 IX Features Applications n Formerly a Battery cell protectionproduct for: n Miniature Thermal Cutoff (TCO) device n Notebook PCs n Tablet PCs n Low current type n Smart phones n Overtemperatureand overcurrent protection for lithium polymer and prismatic cells n Mobile phones n Controls abnormal, excessive current virtually instantaneously n Wide range of temperature options LC Series Breaker (Thermal Cutoff Device) Ratings Model Specification LC72AY-1L LC77AY-1L LC82AY-1L LC85AY-1L Trip Temperature 72 C 5 C 77 C 5 C 82 C 5 C 85 C 5 C Reset Temperature 40 C min. Contact Rating DC9V / 12 A, 6000 cycles Maximum Breaking Current DC5V / 40 A, 100 cycles Maximum Voltage DC28V / 5 A, 100 cycles Minimum Holding Voltage 2 V 25 C for 1 minute Maximum Leakage Current 150 mA max. 25 C Resistance 10 5 milliohms max. Mini-breaker TCOs reset when the following conditions are met: The ambient temperature has dropped by 10 C below the minimum trip temperature, and Power to the TCO has been cycled (off/on) Product Dimensions Agency Recognition 5.8 0.1 Description (.228 .004) 2.7 0.1 2.7 0.1 (.106 .004) (.106 .004) UL, cUL File Number: E215638 0.1 0.01 (.004 .0004) TUV File Number: R50188566 1.15 How to Order MAX. 2.5 0.1 2.5 0.1 (.045) (.098 .004) (.098 .004) LC 72 A Y - 1L MM DIMENSIONS: 3.75 0.1 (INCHES) Series Designator (.148 .004) Trip Temperature (5 C) 72 82 Terminal modifications including bending and extending are available upon request. 77 85 Arm Material Product Structure A = Cu Alloy Manufacturers Internal Code COVER Terminal Type, Bimetal Disc Type PLATE COVER Terminal Type Bimetal Disc Type ARM 1 = With Projection ............ Original CONTACT ARM 1L = With Projection .......... High Corrosion TERMINAL Withstand B = Without Projection ....... Original BL = Without Projection ..... High Corrosion Withstand PROJECTION PTC PROJECTION BASE BIMETAL DISC BASE TERMINAL AVAILABLE WITH AND WITHOUT PROJECTIONS. WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content oris less 900 ppm(b) the Chlorine (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. 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. LC Series Breaker (Thermal Cutoff Device) Typical Performance Current vs. Temperature Curves 1010 LC85AY-1 (Low 80 C average 9 LC82AY-1 (Low 77 C average 8 LC77AY-1 (Low 72 C average 7 LC72AY-1 (Low 67 C average 6 5 4 3 2 1 0 20 30 40 50 60 70 80 Temperature (C) Place test samples in oven at 25 , 40 , 60 and 70 and increase current flow through the sample at a rate of 0.1 A/minute and record current value when sample trips. Operation NORMAL CIRCUIT CURRENT EXCESSIVE CURRENT AND/OR HEAT CIRCUIT AFTER OPENING VERY LOW CURRENT 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. Current (A)