CB82ABB

Features n Miniature Thermal Cutoff (TCO) device n Smallest body size in product family n Overtemperature and overcurrent protection CB for lithium polymer and prismatic cells n Controls abnormal, excessive current virtually instantaneously, up to rated limits n Wide range of temperature options n High corrosion resistance withstand Y2 00 72 88R AB B Applications Battery cell protection for: n Notebook PCs n Tablet PCs n Smart phones CB Series Breaker (Thermal Cutoff Device) Ratings Specification CB72ABB, CB72A1B 72 °C ± 5 °C Trip Temperature Reset Temperature Maximum Breaking Current Maximum Voltage Minimum Holding Voltage Maximum Leakage Current Resistance CB77ABB, CB77A1B 77 °C ± 5 °C A-TYPE CB82ABB, CB82A1B 82 °C ± 5 °C 40 °C min. DC5 V / 50 A, 100 cycles DC28 V / 25 A, 100 cycles 3 V @ 25 °C for 1 minute 200 mA max. @ 25 °C 5 mΩ max. / 2.2 mΩ typ. CB85ABB, CB85A1B 85 °C ± 5 °C Mini-breaker TCOs reset when the following conditions are met: • T he ambient temperature has dropped by 10 °C below the minimum trip temperature; and • P ower to the TCO has been cycled (off/on) Agency Recognition How to Order Description UL, cUL File No. E215638 (UL60730) TUV (Pending) Arm Material A = Cu Alloy, High Current Type Product Structure ARM ARM TERMINAL PROJECTION CB 77 A B B Series Designator Trip Temperature (±5 °C) • 72 • 77 • 82 • 85 COVER PLATE PTC COVER BASE TERMINAL Terminal Type 1 = With Projection B = Without Projection Body Color B = Black BASE BIMETAL CONTACT DISC PROJECTION Circuit Diagram NORMAL CIRCUIT 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 (.098 ± .004) CB Series Breaker (Thermal Cutoff Device) 2.0 ± 0.1 (.079 ± .004) 2.5 ± 0.1 (.098 ± .004) 2.5 ± 0.1 (.098 ± .004) 4.4 ± 0.1 (.173 ± .004) 2.0 ± 0.1 (.079 ± .004) 0.1 ± 0.01 (.004 ± .0004) 0.8 ± 0.05 (.031 ± .002) 0.7 ± 0.1 (.028 ± .004) 1.0 ± 0.1 CBxxABB: N/A (.039 ± .004) 2.0 ± 0.1 (.079 ± .004) 2.5 ± 0.1 (.098 ± .004) CBxxA1B: PROJECTION 0.7 ± 0.1 (.028 ± .004) 1.0 ± 0.1 CBxxABB: N/A (.039 ± .004) 2.0 ± 0.1 (.079 ± .004) 2.5 ± 0.1 (.098 ± .004) CBxxA1B: PROJECTION Product Dimensions 2.5 ± 0.1 (.098 ± .004) 4.4 ± 0.1 (.173 ± .004) DIMENSIONS: MM (INCHES) Typical Performance - Current vs. Temperature Curves 0.1 ± 0.01 0.8 ± 0.05 (.004 ± .0004) (.031 ± .002) Current (A) 24 22 20 CB72A (Low 67 °C avg.) 18 CB82A (Low 77 °C avg.) 16 14 CB85A (Low 80 °C avg.) CB77A (Low 72 °C avg.) 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.  CB Series Breaker (Thermal Cutoff Device) Wiring Recommendations This is not a surface mount device for reflow soldering. Therefore, Ni tab wiring should be accomplished by either resistance or laser welding. Solder connections should be avoided. Typical Part Marking MANUFACTURER’S TRADEMARK MANUFACTURER’S INTERNAL CODE (ALPHANUMERIC CHARACTER) 00 Y288R CB 72ABB SERIES DESIGNATOR TRIP TEMPERATURE - °C (72, 77, 82, 85, 90) ARM MATERIAL (A = Cu ALLOY) DATE CODE: MONTH (1~9, X, Y, Z) DAY YEAR MACHINE NO. ROMAN NUMERAL (I, II, III, ETC.) or ARABIC NUMERAL (1, 2, 3, ETC.) = OKAYAMA FACTORY ALPHABET = SHIGA FACTORY BODY COLOR (B = BLACK) TERMINAL TYPE (1 = WITH PROJECTION B = WITHOUT PROJECTION) Standard Packaging Specifications Plastic Bag.......................................................................................................................................................................1,000 pcs. (fixed) Inner Box..........................................................................................................................................................................3,000 pcs. (fixed) Outer Box.....................................................................................................................................30,000 pcs. max. (up to 10 inner boxes) Application Temperature Range ........................................... -30 ~ 100 °C Environmental Specifications Moisture Sensitivity Level.......................... 1 ESD Classification (HBM)....................... 3B Storage Conditions 1) T . he breaker must be stored in the original packaging (plastic bag or carton) with .the following conditions: ambient temperature of -10 to +40 °C, RH