00 Y288R CB 72ABB Features Applications n Miniature Thermal Cutoff (TCO) device Battery cell protection for: n Smallest body size in product family n Notebook PCs n Overtemperature and overcurrent protection n Tablet PCs for lithium polymer and prismatic cells n Smart phones n Controls abnormal, excessive current virtually instantaneously, up to rated limits n Wide range of temperature options n High corrosion resistance withstand CB Series Breaker (Thermal Cutoff Device) Ratings A-TYPE Specification CB72ABB, CB77ABB, CB82ABB, CB85ABB, CB72A1B CB77A1B CB82A1B CB85A1B Trip Temperature 72 C 5 C 77 C 5 C 82 C 5 C 85 C 5 C Reset Temperature 40 C min. Maximum Breaking Current DC5 V / 50 A, 100 cycles Maximum Voltage DC28 V / 25 A, 100 cycles Minimum Holding Voltage 3 V 25 C for 1 minute Maximum Leakage Current 200 mA max. 25 C Resistance 5 m max. / 2.2 m typ. 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) Agency Recognition How to Order CB 77 A B B Description Series Designator UL, cUL File No. E215638 (UL60730) Trip Temperature (5 C) 72 77 TUV (Pending) 82 85 Arm Material A = Cu Alloy, High Current Type Product Structure Terminal Type 1 = With Projection ARM COVER B = Without Projection BASE COVER ARM TERMINAL PLATE Body Color TERMINAL B = Black Circuit Diagram PROJECTION BASE PTC CONTACT BIMETAL CIRCUIT DISC PROJECTION NORMAL CIRCUIT AFTER OPENING 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 is 900 ppm or less (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.2.5 0.1 2.5 0.1 4.4 0.1 (.098 .004) (.173 .004) (.098 .004) CB Series Breaker (Thermal Cutoff Device) 2.0 0.1 0.7 0.1 (.079 .004) CBxxA1B: (.028 .004) PROJECTION 1.0 0.1 CBxxABB: N/A Product Dimensions (.039 .004) 2.0 0.1 (.079 .004) 2.5 0.1 4.4 0.1 2.5 0.1 2.5 0.1 (.098 .004) (.173 .004) (.098 .004) (.098 .004) 0.1 0.01 0.8 0.05 2.0 0.1 (.004 .0004) (.031 .002) 0.7 0.1 (.079 .004) CBxxA1B: (.028 .004) PROJECTION 1.0 0.1 CBxxABB: N/A (.039 .004) MM 2.0 0.1 DIMENSIONS: (INCHES) (.079 .004) 2.5 0.1 (.098 .004) Typical Performance - Current vs. Temperature Curves 0.1 0.01 0.8 0.05 (.004 .0004) (.031 .002) 24 CB72A (Low 67 C avg.) 22 CB77A (Low 72 C avg.) 20 CB82A (Low 77 C avg.) 18 CB85A (Low 80 C avg.) 16 14 12 10 8 6 4 2 0 20 30 40 50 60 70 80 90 Temperature (C) The above curves were derived from placing test samples in an oven at 25 , 40 , 60 and so on, increasing current flow through the sample at a rate of 0.1 A/minute and recording the current value when the sample trips. 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)