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| POLYFUSE(R) Resettable PTCs Axial Leaded Strap VL Series Description The new VL series device provides reliable, noncycling protection against overcharging and short circuits events for rechargeable battery cells where resettable protection is desired. Features * RoHS compliant and lead-free * Weldable nickel terminals Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 * Compact design saves board space * Low resistance * Slim, low profile design Applications * Rechargeable battery cell protection Electrical Characteristics I hold (A) 1.70 1.75 1.75 2.30 I trip (A) 4.10 4.20 4.20 5.00 V max (Vdc) 12 12 12 12 I max (A) 100 100 100 100 Pd max. (W) 1.4 1.4 1.4 1.5 Maximum Time To Trip Current (A) 8.50 8.75 8.75 10.00 Time (Sec.) 5.00 5.00 5.00 5.00 R min () 0.018 0.017 0.017 0.012 Resistance R typ () 0.032 0.031 0.031 0.018 R 1max () 0.064 0.062 0.062 0.036 X X X X X X X X Agency Approvals Part Number 12VL170 12VL175L 12VL175XL 12VL230 I hold = Hold current: maximum current device will pass without tripping in 20C still air. I trip = Trip current: minimum current at which the device will trip in 20C still air. V max = Maximum voltage device can withstand without damage at rated current (I max) I max = Maximum fault current device can withstand without damage at rated voltage (Vmax) P d = Power dissipated from device when in the tripped state at 20C still air. R min = Minimum resistance of device in initial (un-soldered) state. R typ = Typical resistance of device in initial (un-soldered) state. R 1max = Maximum resistance of device at 20C measured one hour after tripping or reflow soldering of 260C for 20 sec. Caution: Operation beyond the specified rating may result in damage and possible arcing and flame. VL Series Specifications are subject to change without notice. Electronics Designers Guide www.littelfuse.com (c)2006 Littelfuse POLYFUSE(R) Resettable PTCs Axial Leaded Strap Temperature Rerating Ambient Operation Temperature -40C Part Number 12VL170 12VL175L 12VL175XL 12VL230 3.5 3.5 3.5 5.0 2.9 2.9 2.9 4.2 2.4 2.4 2.4 3.4 -20C 0C 25C 1.70 1.75 1.75 2.30 40C 1.2 1.3 1.3 1.7 50C 1.0 1.0 1.0 1.3 60C 0.7 0.8 0.8 0.9 70C 0.3 0.3 0.3 0.4 Hold Current (A) Average Time Current Curves Temperature Rerating Curve 220% 190% 170% 150% Percentage of Rated Current 130% 110% 90% 70% 50% 30% 10% -40 -30 -20 -10 0 10 20 30 40 Temperature (C) 50 60 70 80 A: 12VL230 B: 12VL175L, 12VL175XL C: VLD170F The average time current curves and temperature rerating curve performance is affected by a number or variables, and these curves provided as guidance only. Customer must verify the performance in their application. VL Series Specifications are subject to change without notice. Electronics Designers Guide www.littelfuse.com (c)2006 Littelfuse POLYFUSE(R) Resettable PTCs Axial Leaded Strap Physical Specifications Terminal Material 0.13mm nominal thickness, quarter-hard nickel Environmental Specifications Operating/Storage Temperature -40C to +85C +60C, 1000 hours 20% typical resistance change -40C, 1000 hours 5% typical resistance change +60C, 95%R.H. 1000 hours 30% typical resistance change MIL-STD-202G, Method 107G +85C to -40C 10 times 5% typical resistance change MIL-STD-883C, Method 2026 No change Insulating Material Polyester tape Passive Aging Humidity Aging Thermal Shock Vibration Dimensions Figure 1 Figure 2 A A B Marking D1 D2 E B Marking D1 D2 E C C Part Number 12VL170 12VL175L 12VL175XL 12VL230 A Inches mm Inches B mm C Double Inches Sided Marking mm D1 Inches Product Series D2 mm Inches mm Inches E mm Fig. Top Side Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max Min Max Min Max Min Max Min Max. Min. Max. 0.82 1.15 1.00 0.82 0.91 20.80 23.20 1.25 29.30 31.70 1.11 25.50 28.20 0.91 20.90 23.10 0.14 0.11 0.14 0.19 0.15 0.13 0.15 0.21 3.50 2.90 4.90 3.90 3.30 5.30 ----- 0.03 0.03 0.03 0.03 230 0.80 -- VL --- -- 0.80 0.18 0.20 0.16 0.26 0.27 0.23 4.50 5.20 4.10 6.50 6.80 5.80 0.18 0.39 0.16 0.26 4.50 6.50 0.01 0.26 0.49 0.29 0.23 2.40 2.40 2.40 3.90 2.60 2.60 2.60 4.10 1 2 1 2 0.49 10.00 12.50 0.02 0.29 0.23 5.70 4.10 7.30 5.80 0.01 0.01 3.50 Littelfuse 3.90 Trademark 0.80 0.80 0.34 Current Rating8.70 10.30 0.22 0.41 Bottom Side Product Series 230 XXAK Littelfuse Trademark VL Current Rating Lot Number (Contact Littelfuse for additional information) VL Series Specifications are subject to change without notice. Electronics Designers Guide www.littelfuse.com (c)2006 Littelfuse Figure 1 Figure 2 A A B Marking D1 D2 E B Marking POLYFUSE(R) Resettable PTCs E D1 Axial Leaded Strap D2 C C Part Marking System Double Sided Marking Top Side Product Series Part Numbering System 12 VL 175 XL U QUANTITY CODE: U = 500 (bulk) LEAD OPTIONS: Blank = standard L = long lead XL = extended long lead Current Rating 230 Littelfuse Trademark VL HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS) SERIES Bottom Side Product Series VOLTAGE RATING (VDC) 230 XXAK Littelfuse Trademark VL Current Rating Lot Number (Contact Littelfuse for additional information) Packaging I hold (A) All Ratings Packaging Option Bulk Quantity 500 Quantity & Packaging Codes U VL Series Specifications are subject to change without notice. Electronics Designers Guide www.littelfuse.com (c)2006 Littelfuse |
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