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72R025X Datasheet(PDF) 2 Page - Littelfuse |
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72R025X Datasheet(HTML) 2 Page - Littelfuse |
2 / 7 page 140 Revised: April 3, 2009 ©2009 Littelfuse, Inc. POLYFUSE® Resettable PTCs 72R Series Radial Leaded > 72R Series Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/72R.html for current information. Ambient OperationTemperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) 72R020X 0.31 0.27 0.24 0.20 0.16 0.14 0.13 0.11 0.08 72R025X 0.39 0.34 0.30 0.25 0.20 0.18 0.16 0.14 0.10 72R030X 0.47 0.41 0.36 0.30 0.24 0.22 0.19 0.16 0.12 72R040X 0.62 0.54 0.48 0.40 0.32 0.29 0.25 0.22 0.16 72R050X 0.78 0.68 0.60 0.50 0.41 0.36 0.32 0.27 0.20 72R065X 1.01 0.88 0.77 0.65 0.53 0.47 0.41 0.35 0.26 72R075X 1.16 1.02 0.89 0.75 0.61 0.54 0.47 0.41 0.30 72R090X 1.40 1.22 1.07 0.90 0.73 0.65 0.57 0.49 0.36 72R110X 1.71 1.50 1.31 1.10 0.89 0.79 0.69 0.59 0.44 72R135X 2.09 1.84 1.61 1.35 1.09 0.97 0.85 0.73 0.54 72R160X 2.48 2.18 1.90 1.60 1.30 1.15 1.01 0.86 0.64 72R185X 2.87 2.52 2.20 1.85 1.50 1.33 1.17 1.00 0.74 72R250X 3.88 3.40 2.98 2.50 2.03 1.80 1.58 1.35 1.00 72R300X 4.65 4.08 3.57 3.00 2.43 2.16 1.89 1.62 1.20 72R375X 5.81 5.10 4.46 3.75 3.04 2.70 2.36 2.03 1.50 Average Time Current Curves 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. -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Temperature Rerating Curve Temperature Rerating 72R 0.01 0.1 1 10 100 0.1 1 10 100 Current in Amperes |
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