030R0250U Littelfuse

POLYFUSE Resettable PTCs Radial Leaded > 30R Series 30R Series Description t WJDF JT EFTJHOFE UP IF 3 4FSJFT SBEJBM MFBEFE EF 5 provide overcurrent protection for low voltage (30V) applications where space is not a concern and resettable protection is preferred. Features t P)4 DPNQMJBOU BOE 3 t BNF SFU VSFE nBSEBOU lead-free epoxy polymer insulating BTU UJNFoUP USJQ t material meets UL 94V-0 requirements Agency Approvals AGENCY AGENCY FILE NUMBER Applications E183209 t 64 IVCT QPSUT t .PUPS QSPUFDUJPO and peripherals t (FOFSBM FMFDUSPOJDT R50119318 t PNQVUFST QFSJQIFSBMT F BQQMJDBUJPOT VUPNPUJW t Electrical Characteristics Maximum Time Agency Resistance P d To Trip Approvals I I V I hold trip max max Part Number max. (A) (A) (Vdc) (A) R R Current Time min 1max (W) (A) (Sec.) () () XX 30R090 0.90 1.80 30 40 0.6 4.50 5.90 0.070 0.220 XX 30R110 1.10 2.20 30 40 0.7 5.50 6.60 0.050 0.170 30R135 1.35 2.70 30 40 0.8 6.75 7.30 0.040 0.130 XX XX 30R160 1.60 3.20 30 40 0.9 8.00 8.00 0.030 0.110 XX 30R185 1.85 3.70 30 40 1.0 9.25 8.70 0.030 0.090 XX 30R250 2.50 5.00 30 40 1.2 12.50 10.30 0.020 0.070 30R300 3.00 6.00 30 40 2.0 15.00 10.80 0.020 0.080 XX 30R400 4.00 8.00 30 40 2.5 20.00 12.70 0.010 0.050 XX 30R500 5.00 10.00 30 40 3.0 25.00 14.50 0.010 0.050 XX 30R600 6.00 12.00 30 40 3.5 30.00 16.00 0.005 0.040 XX XX 30R700 7.00 14.00 30 40 3.8 35.00 17.50 0.005 0.030 XX 30R800 8.00 16.00 30 40 4.0 40.00 18.80 0.005 0.020 30R900 9.00 18.00 30 40 4.2 40.00 20.00 0.005 0.020 XX I = Hold current: maximum current device will pass without tripping in 23C still air. R = Minimum resistance of device in initial (un-soldered) state. hold min I = Trip current: minimum current at which the device will trip in 23C still air. R = Maximum resistance of device at 23C measured one hour after tripping. trip 1max V = Maximum voltage device can withstand without damage at rated current (I ) Caution: Operation beyond the specied rating may result in damage and possible arcing max max and ame. I = Maximum fault current device can withstand without damage at rated voltage (V ) max max P = Power dissipated from device when in the tripped state at 23C still air. d 2008 Littelfuse, Inc.2008 Littelfuse, Inc. Revised: October 24, 2008 30R Series Specications are subject to change without notice. Please refer to www.littelfuse.com/series/30R.html for current information. 30R Series POLYFUSE Resettable PTCs Radial Leaded > 30R Series Temperature Rerating Ambient Operation Temperature -40C -20C 0C 23C 40C 50C 60C 70C 85C Part Number Hold Current (A) 30R090 1.31 1.17 1.04 0.90 0.75 0.69 0.61 0.55 0.47 30R110 1.60 1.43 1.27 1.10 0.91 0.85 0.75 0.67 0.57 30R135 1.96 1.76 1.55 1.35 1.12 1.04 0.92 0.82 0.70 30R160 2.32 2.08 1.84 1.60 1.33 1.23 1.09 0.98 0.83 30R185 2.68 2.41 2.13 1.85 1.54 1.42 1.26 1.13 0.96 30R250 3.63 3.25 2.88 2.50 2.08 1.93 1.70 1.53 1.30 30R300 4.35 3.90 3.45 3.00 2.49 2.31 2.04 1.83 1.56 30R400 5.80 5.20 4.60 4.00 3.32 3.08 2.72 2.44 2.08 30R500 7.25 6.50 5.75 5.00 4.15 3.85 3.40 3.05 2.60 30R600 8.70 7.80 6.90 6.00 4.98 4.62 4.08 3.66 3.12 30R700 10.15 9.10 8.05 7.00 5.81 5.39 4.76 4.27 3.64 30R800 11.60 10.40 9.20 8.00 6.64 6.16 5.44 4.88 4.16 30R900 13.05 11.70 10.35 9.00 7.47 6.93 6.12 5.49 4.68 Average Time Current Curves Temperature Rerating Curve 170% 150% 30R 100000 130% 110% 10000 90% 70% 1000 50% 30% 100 10% -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 10 Temperature (C) 1 0.1 0.01 0.1 1 10 100 Current in Amperes 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. 2008 Littelfuse, Inc. Revised: October 24, 2008 30R Series Specications are subject to change without notice. Please refer to www.littelfuse.com/series/30R.html for current information. Time in Seconds 0.90A 1.10A 1.35A 1.60A 1.85 A 2.50A 3.00A 4.00A 5.00A 6.00A 7.00A 8.00A 9.00A Percentage of Rated Current