g PTC THERMISTORS: TYPE PTF OVER-CURRENT PROTECTION DESCRIPTION: PTC disc thermistor for overcurrent and short-circuit protection FEATURES: * Low cost solid state fuse * Available in a broad range of resistances, transition temperatures and voltage ratings * Exhibits large positive increases in resistance with temperature * Wide range of trip and non-trip currents; from 30mA to 2.3 amps * Resistance/temperature characteristic is infinitely repeatable and has no hysteresis associated with its action * Proven quality and reliability over many years of manufacture * Standard options include protective coating and tape and reeled to EIA RS-468A Operating R25C Voltage (20%) Type DIMENSIONS: Minimum Maximum Switch Current No-Switch Current 0C 25C 25C 55C "H" D.C. Joules/C mW/C A (max) in. B (max) mm. in. mm. C ref. in. mm. AWG No. 5 0.5 RL6505-0.5-110-5-PTF 2.32 2.07 1.40 1.02 0.8 18 0.70 17.8 0.16 4.1 0.33 8.4 20 12 1.0 RL5305-1.0-110-12-PTF 1.45 1.29 0.87 0.64 0.6 14 0.60 15.2 0.15 3.8 0.33 8.4 22 12 2.5 RL5305-2.5-110-12-PTF 0.92 0.82 0.55 0.40 0.6 14 0.60 15.2 0.16 4.1 0.33 8.4 20 12 5.0 RL4005-5.0-110-12-PTF 0.55 0.49 0.33 0.24 0.3 10 0.45 11.4 0.15 3.8 0.25 6.4 24 12 10.0 RL3005-10-110-12-PTF 0.32 0.29 0.19 0.14 0.2 7 0.35 8.9 0.15 3.8 0.25 6.4 24 12 25.0 RL3005-25-110-12-PTF 0.20 0.18 0.12 0.09 0.2 7 0.35 8.9 0.15 3.8 0.25 6.4 24 12 1.0 RL5004-1.0-120-12-PTF 1.40 1.25 0.87 0.67 0.4 12.0 0.59 15.0 0.14 3.6 0.25 6.4 24 12 2.5 RL3104-2.5-120-12-PTF 0.65 0.58 0.40 0.31 0.2 6.5 0.41 10.4 0.14 3.6 0.15 3.8 24 12 5.0 RL2204-5.0-120-12-PTF 0.37 0.34 0.23 0.18 0.1 4.3 0.29 7.4 0.14 3.6 0.10 2.5 24 12 10.0 RL1604-10-120-12-PTF 0.22 0.20 0.13 0.10 0.04 2.9 0.23 5.8 0.14 3.6 0.10 2.5 24 12 25.0 RL1004-25-120-12-PTF 0.11 0.09 0.07 0.05 0.02 1.7 0.17 4.3 0.14 3.6 0.07 1.8 24 25 1.5 RL7008-1.5-110-25-PTF 1.34 1.19 0.81 0.59 1.50 18 0.75 19.1 0.18 4.6 0.33 8.4 20 25 3.0 RL5008-3.0-110-25-PTF 0.84 0.74 0.50 0.37 0.80 14 0.55 14.0 0.18 4.6 0.33 8.4 22 25 0.5 RL6904-0.5-120-25-PTF 2.41 2.16 1.49 1.16 0.8 17.8 0.75 19.1 0.14 3.6 0.33 8.4 22 25 1.0 RL4904-1.0-120-25-PTF 1.39 1.25 0.86 0.67 0.4 11.9 0.55 14.0 0.14 3.6 0.33 8.4 22 25 1.5 RL4004-1.5-120-25-PTF 1.00 0.90 0.62 0.48 0.3 9.2 0.46 11.7 0.14 3.6 0.25 6.4 24 25 3.0 RL2804-3.0-120-25-PTF 0.56 0.50 0.34 0.27 0.1 5.7 0.34 8.6 0.14 3.6 0.15 3.8 24 25 5.0 RL2204-5.0-120-25-PTF 0.37 0.34 0.23 0.18 0.1 4.3 0.28 7.1 0.14 3.6 0.15 3.8 24 50 5.0 RL5506-5.0-110-50-PTF 0.65 0.58 0.39 0.29 0.7 14 0.60 15.2 0.16 4.1 0.33 8.4 22 50 10.0 RL4006-10-110-50-PTF 0.39 0.34 0.23 0.17 0.4 10 0.45 11.4 0.17 4.3 0.25 6.4 24 50 25.0 RL4508-25-110-50-PTF 0.27 0.24 0.16 0.12 0.6 12 0.50 12.7 0.18 4.6 0.33 8.4 22 50 50.0 RL4010-50-110-50-PTF 0.19 0.17 0.11 0.08 0.6 12 0.45 11.4 0.20 5.1 0.33 8.4 22 50 100.0 RL3810-100-110-50-PTF 0.13 0.12 0.08 0.06 0.6 12 0.42 10.7 0.20 5.1 0.25 6.4 24 50 200.0 RL3312-200-110-50-PTF 0.08 0.07 0.05 0.04 0.5 9 0.40 10.2 0.23 5.8 0.25 6.4 20 Crown Industrial Estate, Priorswood Road Taunton, Somerset TA2 8QY UK Tel +44 (0) 1823 335200 Fax +44 (0) 1823 332637 808 US Highway 1 Edison, New Jersey 08817-4695 USA Tel +1 (732) 287 2870 Fax +1 (732) 287 8847 967 Windfall Road St. Marys, Pennsylvania 15857-3397 USA Tel +1 (814) 834 9140 Fax +1 (814) 781 7969 g PTC THERMISTORS: TYPE PTF OVER-CURRENT PROTECTION Operating R25C Voltage (20%) 50 50 50 50 50 50 50 50 120 120 120 120 120 120 120 120 120 120 240 240 240 240 240 240 240 240 240 240 480 480 480 480 1.0 2.5 5.0 10.0 25.0 50.0 100.0 200.0 10.0 20.0 50.0 100.0 2.5 5.0 10.0 20.0 50.0 100.0 50.0 100.0 250.0 2.5 5.0 10.0 20.0 50.0 100.0 250.0 25.0 50.0 100.0 200.0 Type RL7005-1.0-120-50-PTF RL4505-2.5-120-50-PTF RL3205-5.0-120-50-PTF RL2505-10-120-50-PTF RL1605-25-120-50-PTF RL1604-50-120-50-PTF RL1604-100-120-50-PTF RL1604-200-120-50-PTF RL7510-10-110-120-PTF RL6010-20-110-120-PTF RL4510-50-110-120-PTF RL3510-100-110-120-PTF RL8908-2.5-120-120-PTF RL6308-5.0-120-120-PTF RL4508-10-120-120-PTF RL3008-20-120-120-PTF RL2008-50-120-120-PTF RL1706-100-120-120-PTF RL6315-50-110-240-PTF RL6315-100-110-240-PTF RL6315-250-110-240-PTF RL9912-2.5-120-240-PTF RL8311-5.0-120-240-PTF RL6011-10-120-240-PTF RL4211-20-120-240-PTF RL2611-50-120-240-PTF RL2610-100-120-240-PTF RL2610-250-120-240-PTF RL6017-25-120-480-PTF RL4217-50-120-480-PTF RL3517-100-120-480-PTF RL3517-200-120-480-PTF Minimum Maximum Switch Current No-Switch Current 0C 25C 25C 55C 1.76 0.87 0.48 0.30 0.14 0.10 0.07 0.06 0.55 0.37 0.19 0.13 1.32 0.76 0.44 0.25 0.14 0.09 0.23 0.16 0.10 1.46 0.95 0.53 0.31 0.16 0.11 0.07 0.35 0.21 0.13 0.09 1.58 0.78 0.43 0.27 0.13 0.09 0.06 0.05 0.49 0.33 0.17 0.11 1.18 0.68 0.40 0.23 0.13 0.08 0.21 0.15 0.09 1.31 0.85 0.48 0.28 0.14 0.10 0.06 0.32 0.19 0.12 0.08 1.09 0.54 0.30 0.18 0.09 0.06 0.04 0.03 0.33 0.22 0.11 0.08 0.82 0.47 0.27 0.16 0.09 0.05 0.14 0.10 0.06 0.90 0.59 0.33 0.19 0.10 0.07 0.04 0.22 0.13 0.08 0.06 0.84 0.42 0.23 0.14 0.07 0.05 0.03 0.02 0.24 0.16 0.08 0.06 0.63 0.37 0.21 0.12 0.07 0.04 0.10 0.07 0.05 0.70 0.46 0.26 0.15 0.08 0.05 0.03 0.17 0.10 0.06 0.04 "H" D.C. Joules/C mW/C 1.1 0.5 0.2 0.1 0.1 0.1 0.1 0.1 2.2 1.4 0.8 0.5 2.7 1.4 0.7 0.4 0.1 0.1 2.3 2.3 2.3 4.6 3.5 1.7 0.9 0.2 0.2 0.2 2.4 1.3 0.8 0.8 19.0 11.7 7.1 5.4 3.2 3.2 3.2 3.2 20 18 12 11 26.7 17.8 12.0 7.8 6.0 4.3 18 18 18 32.6 27.7 17.6 12.1 8.0 8.0 8.0 19.1 13.3 10.7 10.7 A (max) B (max) C ref. in. mm. in. mm. in. mm. 0.75 0.50 0.37 0.30 0.21 0.21 0.21 0.21 0.80 0.65 0.50 0.40 0.94 0.68 0.50 0.35 0.25 0.23 0.65 0.65 0.65 1.04 0.88 0.65 0.47 0.31 0.31 0.31 0.65 0.47 0.41 0.41 19.1 12.7 9.4 7.6 5.3 5.3 5.3 5.3 20.3 16.5 12.7 10.2 23.9 17.3 12.7 8.9 6.4 5.8 16.5 16.5 16.5 26.4 22.4 16.5 11.9 7.9 7.9 7.9 16.5 11.9 10.4 10.4 0.15 0.15 0.15 0.15 0.15 0.14 0.14 0.14 0.23 0.23 0.20 0.20 0.18 0.18 0.18 0.18 0.18 0.16 0.27 0.27 0.27 0.22 0.21 0.21 0.21 0.21 0.20 0.20 0.27 0.27 0.27 0.27 3.8 3.8 3.8 3.8 3.8 3.6 3.6 3.6 5.8 5.8 5.1 5.1 4.6 4.6 4.6 4.6 4.6 4.1 6.9 6.9 6.9 5.6 5.3 5.3 5.3 5.3 5.1 5.1 6.9 6.9 6.9 6.9 0.33 0.33 0.25 0.15 0.15 0.15 0.15 0.15 0.33 0.33 0.33 0.25 0.33 0.33 0.33 0.25 0.15 0.15 0.33 0.33 0.33 0.33 0.33 0.33 0.33 0.25 0.25 0.25 0.33 0.33 0.25 0.25 8.4 8.4 6.4 3.8 3.8 3.8 3.8 3.8 8.4 8.4 8.4 6.4 8.4 8.4 8.4 6.4 3.8 3.8 8.4 8.4 8.4 8.4 8.4 8.4 8.4 6.4 6.4 6.4 8.4 8.4 6.4 6.4 AWG No. 22 24 24 24 24 24 24 24 24 20 20 22 22 20 22 24 24 24 18 18 18 20 20 22 24 24 24 24 22 24 24 24 OPTIONS: * Protective coating, replace "PTF" suffix with "PFC" * Tape and reel, replace "PTF" suffix with "PFR" * Coated and T&R, replace "PTF" suffix with "PFCR" * Other resistances * Other tolerances, other transition temperatures * Alternate size and configurations * Other voltage ratings Crown Industrial Estate, Priorswood Road Taunton, Somerset TA2 8QY UK Tel +44 (0) 1823 335200 Fax +44 (0) 1823 332637 808 US Highway 1 Edison, New Jersey 08817-4695 USA Tel +1 (732) 287 2870 Fax +1 (732) 287 8847 967 Windfall Road St. Marys, Pennsylvania 15857-3397 USA Tel +1 (814) 834 9140 Fax +1 (814) 781 7969