4134N 00 SC 7 7 A 4.7 (.185) 4.4 +0.25/-0.05 Features Applications (.173 +.010/-.002) n Miniature Thermal Cutoff (TCO) device n Battery cell protection for: - Notebook PCs n Surface mount, smallest body size - Tablet PCs n Overtemperature and overcurrent protection - Smart phones n Controls abnormal, excessive current 2.8 n Overtemperature protection for: virtually instantaneously, up to rated limits (.110) - USB Type C cables (e.g. smart phone cables, n Wide range of temperature options notebook AC adapters) n High corrosion resistance - Electronic cigarettes n Two height options: low profile & high force - Medical heaters*** withstand 0.125 R (.005) 1.07 0.05 SCxxAAA SC Series Breaker (Surface Mount Thermal Cutoff Device) (.042 .002) 0.94 0.05 SCxxAAB (.037 .002) Ratings A-TYPE 0.08 Specification (.003)SC72AAA, SC77AAA, SC82AAA, SC85AAA, 1.71 1.71 4 PLCS. SC72AAB SC77AAB SC82AAB SC85AAB (.067) (.067) 0.5 Trip Temperature 72 C 5 C 77 C 5 C 82 C 5 C 85 C 5 C 4 PLCS. (.020) Reset Temperature 40 C min. ARM BASE TERMINALS TERMINALS Contact Rating DC9 V / 25 A, 6000 cycles Maximum Breaking Current DC5 V / 50 A, 100 cycles Maximum Voltage DC28 V / 25 A, 100 cycles 1.54 1.49 Minimum Holding Voltage 3 V 25 C for 1 minute (.061) (.059) Maximum Leakage Current 200 mA max. 25 C Resistance 5 milliohms max. Mini-breaker TCOs reset when the following conditions are met: ARM BASE The ambient temperature has dropped by 10 C below the minimum trip temperature and TERMINALS TERMINALS Power to the TCO has been cycled (off/on) Agency Recognition How to Order 2.3 (.091) SC 77 A A B Description Series Designator File Number: E215638 UL, cUL Trip Temperature (5 C) (UL 60730) 72 0.7 3.42 File Number: R 50411018 0001~0002 77 TUV (.028) (.135) 82 (EN 60730 2-9-2010) 0.7 85 (.028) Arm Material A = Cu Alloy, High current type Product Structure Body Material A = PPS ARM Body Thickness A = 1.07 0.05 mm COVER PLATE B = 0.94 0.05 mm COVER BASE TERMINAL Circuit Diagram CIRCUIT NORMAL CIRCUIT AFTER OPENING BIMETAL DISC ARM CONTACT TERMINAL PTC BASE Model SCxAAB is the low profile 0.94 mm height version. Model SCxAAA is designed with a reinforced cover to withstand higher forces during the USB cable manufacturing injection molding process. WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. ** 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. *** Excluding life-saving, life-critical or life-sustaining applications. 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.SC Series Breaker (Surface Mount Thermal Cutoff Device) Product Dimensions 4.7 (.185) 4.4 +0.25/-0.05 (.173 +.010/-.002) 2.8 (.110) 0.125 R (.005) 1.07 0.05 SCxxAAA (.042 .002) MM DIMENSIONS: 0.94 0.05 (INCHES) SCxxAAB (.037 .002) 0.08 (.003) 1.71 1.71 4 PLCS. (.067) (.067) 0.5 4 PLCS. (.020) BASE ARM TERMINALS TERMINALS 1.54 1.49 (.061) (.059) ARM BASE TERMINALS TERMINALS Typical Performance Current vs. Temperature Curves A-Type 2.3 (.091) 15 14 SC72A (Low 67 C avg.) 13 SC77A (Low 72 C avg.) 12 SC82A (Low 77 C avg.) 11 0.7 3.42 SC85A (Low 80 C avg.) 10 (.028) (.135) 9 0.7 8 (.028) 7 6 5 4 ARM 3 2 COVER PLATE 1 COVER BASE 0 20 30 40 50 60TERMINAL70 80 Temperature (C) BIMETAL Specifications are subject to change without notice. DISC ARM CONTACT Users should verify actual device performance in their specific applications. TERMINAL PTC 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. BASE Current (A)