PolySwitch(R) Resettable PPTCs Radial Leaded > RUEF Series RUEF Series RoHS Description Littelfuse PolySwitch radial-leaded devices represent the most comprehensive and complete set of PPTC products available in the industry today. RUEF series is for balance of voltage rating (30V) and hold current (up to 9A). Features * Resettable and single-use overcurrent devices * Wide range of form factor and termination methods * Devices compatible with high-volume electronics assembly * RoHS compliant, Lead-Free and Halogen-Free Agency Approvals AGENCY AGENCY FILE NUMBER Applications E74889 * Satellite video receivers * CD-ROMs 78165 * Industrial controls * Game machines * Transformers * Battery packs * Computer motherboards * Phones * Modems * Fax machines * USB hubs, ports and peripherals * Analog and digital line cards 72161784 Additional Information * Printers * IEEE 1394 ports Datasheet Samples Resources Electrical Characteristics Part Number IH IT (A) (A) VMAX (VDC) IMAX (VAC RMS) (DCADC) PD Typ (ACARMS) (W) Max Time-to-trip (A) (s) RMIN RMAX R1MAX () () () Lead Size (mm2/AWG) RUEF - 30V RUEF090 0.90 1.80 30 30 100 70 0.60 4.50 5.9 0.070 0.120 0.22 0.205/24 RUEF110 1.10 2.20 30 30 100 70 0.70 5.50 6.6 0.070 0.100 0.17 0.205/24 RUEF135 1.35 2.70 30 30 100 70 0.80 6.75 7.3 0.040 0.080 0.13 0.205/24 RUEF160 1.60 3.20 30 30 100 70 0.90 8.00 8.0 0.030 0.070 0.11 0.205/24 RUEF185 1.85 3.70 30 30 100 70 1.00 9.25 8.7 0.030 0.060 0.09 0.205/24 RUEF250 2.50 5.00 30 30 100 70 1.20 12.50 10.3 0.020 0.040 0.07 0.205/24 RUEF300 3.00 6.00 30 30 100 70 2.00 15.00 10.8 0.020 0.050 0.08 0.205/24 RUEF400 4.00 8.00 30 30 100 70 2.50 20.00 12.7 0.010 0.030 0.05 0.205/24 RUEF500 5.00 10.00 30 30 100 70 3.00 25.00 14.5 0.010 0.030 0.05 0.520/20 RUEF600 6.00 12.00 30 30 100 70 3.50 30.00 16.0 0.005 0.020 0.04 0.520/20 RUEF700 7.00 14.00 30 30 100 70 3.80 35.00 17.5 0.005 0.020 0.03 0.520/20 RUEF800 8.00 16.00 30 30 100 70 4.00 40.00 18.8 0.005 0.013 0.02 0.520/20 RUEF900 9.00 18.00 30 30 100 70 4.20 45.00 20.0 0.005 0.010 0.02 0.520/20 Notes: IH :Hold current: maximum current device will pass without interruption in 20C still air. IT :Trip current: minimum current that will switch the device from low resistance to high resistance in 20C still air. VMAX :Maximum continuous voltage device can withstand without damage at rated current. IMAX :Maximum fault current device can withstand without damage at rated voltage. PD :Power dissipated from device when in the tripped state in 20C still air. RMIN :Minimum resistance of device as supplied at 20C unless otherwise specified. RMAX :Maximum resistance of device as supplied at 20C unless otherwise specified. R1MAX: Maximum resistance of device when measured one hour post reflow (surface-mount device) or one hour post trip (radial-leaded device) at 20C unless otherwise specified. * Electrical characteristics determined at 25C. (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/22/18 PolySwitch(R) Resettable PTCs Radial Leaded > RUEF Series Temperature Rerating Maximum Ambient Temperature -40C -20C 0C 20C 25C 40C 50C 60C 70C 85C Hold Current (A) RUEF - 30V RUEF090 1.31 1.17 1.04 0.90 0.87 0.75 0.69 0.61 0.55 0.47 RUEF110 1.60 1.43 1.27 1.10 1.07 0.91 0.85 0.75 0.67 0.57 RUEF135 1.96 1.76 1.55 1.35 1.31 1.12 1.04 0.92 0.82 0.70 RUEF160 2.32 2.08 1.84 1.60 1.55 1.33 1.23 1.09 0.98 0.83 RUEF185 2.68 2.41 2.13 1.85 1.79 1.54 1.42 1.26 1.13 0.96 RUEF250 3.63 3.25 2.88 2.50 2.43 2.08 1.93 1.70 1.53 1.30 RUEF300 4.35 3.90 3.45 3.00 2.91 2.49 2.31 2.04 1.83 1.56 RUEF400 5.80 5.20 4.60 4.00 3.88 3.32 3.08 2.72 2.44 2.08 RUEF500 7.25 6.50 5.75 5.00 4.85 4.15 3.85 3.40 3.05 2.60 RUEF600 8.70 7.80 6.90 6.00 5.82 4.98 4.62 4.08 3.66 3.12 RUEF700 10.15 9.10 8.05 7.00 6.79 5.81 5.39 4.76 4.27 3.64 RUEF800 11.60 10.40 9.20 8.00 7.76 6.64 6.16 5.44 4.88 4.16 RUEF900 13.05 11.70 10.35 9.00 8.73 7.47 6.93 6.12 5.49 4.68 Temperature Rerating Curve % of Rated Hold and Trip Current 200 150 100 50 0 -40 -20 0 20 40 Ambient Temperature (C) (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/22/18 60 80 PolySwitch(R) Resettable PPTCs Radial Leaded > RUEF Series Typical Time-to-Trip Curves at 20C 100 H= RUEF400 I=RUEF500 J= RUEF600 K= RUEF700 L= RUEF800 M= RUEF900 A B C D E F G H I J K LM 10 Time-to-Trip (s) RUEF A= RUEF090 B= RUEF110 C= RUEF135 D= RUEF160 E= RUEF185 F= RUEF250 G= RUEF300 1 M 0.1 L K J I H G F E D 0.01 1 A B 10 C 100 Fault Current (A) Physical Specifications Lead Material RUEF090 to RUEF250: Tin-plated Copper-clad Steel, 0.205mm2 (24AWG) RUEF300 to RUEF900: Tin-plated Copper, 0.52mm2 (20AWG), o0.81mm (0.032in) Soldering Characteristics Solderability per ANSI/J-STD-002 Category 3 Solder Heat Withstand per IEC-STD 68-2-20, Test Tb, Method 1a, Condition b, Can Withstand 10s at 260C 5C Insulating Material Cured, Flame-retardant Epoxy Polymer; Meets UL 94V-0 Operation Temperature -40C~85C Note: Devices are not designed to be placed through a reflow process. Environmental Specifications Test Conditions Resistance Change 70C, 1000 hrs 5% 85C, 1000 hrs 5% Humidity Aging 85C, 85% R.H., 1000 hrs 5% Thermal Shock 85C to -40C (10 times) 5% Solvent Resistance MIL-STD-202, Method 215F No change Moisture Resistance Level Level 1, J-STD-020 Storage Conditions 40C max, 70% RH max; devices should remain in original sealed bags prior to use. Devices may not meet specified values if these storage conditions are exceeded. Passive Aging (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/22/18 A A E E A A PolySwitch(R) Resettable PTCs Radial Leaded > RUEF Series C CL to CL A F CL CL Dimension Figures A A E E A A B B F C CC L L CL to CL A D C CL to CL C F CL to CL C C L L F CL CL C CL to CL Figure 1 C F CL to CL C C L L Figure 3 F CL CL A A C C A J Max BE Min Max E A RUEF110 A RUEF135 7.4 (0.29) -- -- 7.4 E (0.29) -- -- E B B C H F CL CL Figure 4 A Min Max Min B H D Max E Min D E E E B B Max DC H Typ J D Typ Figure D Device Mass (g) (Only for Reference) C C to C 3.0CL to CL 0.89 L L0.8 (0.12) (0.035) (0.03) 1,3,4 0.183 -- 3.0 0.89 0.8 (0.12) (0.035) (0.03) 1,3,4 0.204 -- -- 3.0 0.89 1.0 (0.12) (0.035) (0.04) 1,3,4 0.255 7.6 (0.30) -- -- 3.0 0.89 1.0 (0.12) (0.035) (0.04) 1,3,4 0.289 12.2 (0.48) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) C-- CL to CL -- 14.2 (0.56) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) -- 8.9 (0.35) -- 13.5 (0.53) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) 8.9 (0.35) -- 15.2 (0.60) 4.3 (0.17) 5.8 (0.23) --C CL to CL RUEF160 -- D RUEF185 -- 10.2 (0.40) -- 15.7 (0.62) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) -- -- 3.0 0.89 1.0 (0.12) (0.035) (0.04) 1,3,4 0.379 -- 11.4 (0.45) -- 18.3 (0.72) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) -- -- 3.0 0.89 1.2 (0.12) (0.035) (0.05) 1,3,4 0.493 RUEF300 -- 11.4 (0.45) -- 16.5 (0.65) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) -- -- 3.0 1.19 1.5 (0.12) (0.047) (0.06) 2,3,4 0.516 RUEF400 -- 14.0 (0.55) -- 19.3 (0.76) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) -- -- 3.0 1.19 1.7 (0.12) (0.047) (0.07) 2,3,4 0.670 RUEF500 -- 14.0 (0.55) -- 24.1 (0.95) 9.4 (0.37) 10.9 (0.43) 7.6 (0.30) -- -- 3.0 1.19 1.0 (0.12) (0.047) (0.04) 2,3,4 0.926 RUEF600 -- 16.5 (0.65) -- 24.1 (0.95) 9.4 (0.37) 10.9 (0.43) 7.6 (0.30) -- -- 3.0 1.19 1.0 (0.12) (0.047) (0.04) 2,3,4 1.352 RUEF700 -- 19.1 (0.75) -- 25.9 (1.02) 9.4 (0.37) 10.9 (0.43) 7.6 (0.30) -- -- 3.0 1.19 1.2 (0.12) (0.047) (0.05) 2,3,4 1.543 RUEF800 -- 21.6 (0.85) -- 28.4 (1.12) 9.4 (0.37) 10.9 (0.43) 7.6 (0.30) -- -- 3.0 1.19 1.5 (0.12) (0.047) (0.06) 2,3,4 1.852 RUEF900 -- 24.1 (0.95) -- 29.0 (1.14) 9.4 (0.37) 10.9 (0.43) 7.6 (0.30) -- -- 3.0 1.19 1.5 (0.12) (0.047) (0.06) 2,3,4 2.104 D C C CL to CL CL to CL RUEF250 F CL CL A E D B H C E A RUEF - 30V RUEF090 E C F CL to CL C C L L C CL to CL Dimensions in Millimeters (Inches) Min A C D A J J F CL CL Figure 2 Dimensions and Weights Part Number D C CL to CL B J A J D J D D B E E B J D F CL CL C CL to CL F CL CL A J E D C F CL to CL C C L L D C CL to CL B B E B E E A B D F CL CL C CL to CL A B D C F CL to CL C C L L C CL to CL E E E B D D C F CL to CL C C L L E A B D D A A B B B B E E (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/22/18 H PolySwitch(R) Resettable PPTCs Radial Leaded > RUEF Series Packaging and Marking Information Part Number Bag Quantity Tape and Reel Quantity Ammo Pack Quantity Standard Package Quantity Part Marking Agency Recognition RUEF - 30V 500 -- -- 10,000 U90 UL, CSA, TUV, CQC RUEF090-2 RUEF090 -- 3,000 -- 15,000 U90 UL, CSA, TUV, CQC RUEF090-AP -- -- 2,000 10,000 U90 UL, CSA, TUV, CQC RUEF110 RUEF110-2 RUEF110-AP 500 -- -- 10,000 U110 UL, CSA, TUV, CQC -- 3,000 -- 15,000 U110 UL, CSA, TUV, CQC -- -- 2,000 10,000 U110 UL, CSA, TUV, CQC 500 -- -- 10,000 U135 UL, CSA, TUV, CQC RUEF135-2 -- 3,000 -- 15,000 U135 UL, CSA, TUV, CQC RUEF135-AP -- -- 2,000 10,000 U135 UL, CSA, TUV, CQC 500 -- -- 10,000 U160 UL, CSA, TUV, CQC RUEF160-2 -- 3,000 -- 15,000 U160 UL, CSA, TUV, CQC RUEF160-AP -- -- 2,000 10,000 U160 UL, CSA, TUV, CQC RUEF135 RUEF160 RUEF185 RUEF185-2 RUEF185-AP RUEF250 RUEF250-2 RUEF250-AP 500 -- -- 10,000 U185 UL, CSA, TUV, CQC -- 3,000 -- 15,000 U185 UL, CSA, TUV, CQC -- -- 2,000 10,000 U185 UL, CSA, TUV, CQC 500 -- -- 10,000 U250 UL, CSA, TUV, CQC -- 3,000 -- 15,000 U250 UL, CSA, TUV, CQC -- -- 2,000 10,000 U250 UL, CSA, TUV, CQC 500 -- -- 10,000 U300 UL, CSA, TUV, CQC RUEF300-2 -- 2,500 -- 12,500 U300 UL, CSA, TUV, CQC RUEF300-AP -- -- 1,000 5,000 U300 UL, CSA, TUV, CQC 500 -- -- 10,000 U400 UL, CSA, TUV, CQC RUEF400-2 -- 1,500 -- 7,500 U400 UL, CSA, TUV, CQC RUEF400-AP -- -- 1,000 5,000 U400 UL, CSA, TUV, CQC 250 -- -- 5,000 U500 UL, CSA, TUV, CQC -- 1,500 -- 7,500 U500 UL, CSA, TUV, CQC RUEF300 RUEF400 RUEF500 RUEF500-2 RUEF500-AP RUEF600 RUEF600-2 RUEF600-AP -- -- 1,000 5,000 U500 UL, CSA, TUV, CQC 250 -- -- 5,000 U600 UL, CSA, TUV, CQC -- 1,000 -- 5,000 U600 UL, CSA, TUV, CQC -- -- 1,000 5,000 U600 UL, CSA, TUV, CQC 250 -- -- 5,000 U700 UL, CSA, TUV, CQC RUEF700-2 -- 1,000 -- 5,000 U700 UL, CSA, TUV, CQC RUEF700-AP -- -- 1,000 5,000 U700 UL, CSA, TUV, CQC RUEF700 RUEF800 250 -- -- 5,000 U800 UL, CSA, TUV, CQC RUEF800-2 -- 1,000 -- 5,000 U800 UL, CSA, TUV, CQC RUEF800-AP -- -- 1,000 5,000 U800 UL, CSA, TUV, CQC RUEF900 250 -- -- 5,000 U900 UL, CSA, TUV, CQC RUEF900-2 -- 1,000 -- 4,000 U900 UL, CSA, TUV, CQC RUEF900-AP -- -- 1,000 4,000 U900 UL, CSA, TUV, CQC (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/22/18 PolySwitch(R) Resettable PTCs Radial Leaded > RUEF Series Part Ordering Number System RUEF 250 U 2 Packaging Blank = Packaged in Bags -1 = 25.4mm (1.0 in) Minimum Lead Length -2 = Tape and Reel -AP = Ammo Pack -X.X = Special Lead Cut Length (in) Modifier K = Standard Kinked Lead B = Special Kinked Lead S = Straight Lead U = Uncoated Device Hold Current Indicator Product Series An "F" at the end of product series indicates Pb-free version of product. Note: Kinked parts are recommended to control the height of the part on the PCB in non-auto PCB applications. (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/22/18 PolySwitch(R) Resettable PPTCs Radial Leaded > RUEF Series Tape and Reel Specifications RUEF devices are available in tape and reel packaging per EIA468-B/IEC60286-2 standards. See Figures 1 and 2 for details. Description EIA Mark Dimension (mm) Tolerance Carrier Tape Width W 18 -0.5/+1.0 Hold-down Tape Width W4 11 Minimum Top Distance between Tape Edges W6 3 Maximum Sprocket Hole Position W5 9 -0.5/+0.75 Sprocket Hole Diameter W0 4 0.2 Abscissa to Plane (Straight Lead)* (RUEF300 to RUEF900) H 18.5 2.5 Abscissa to Plane (Kinked Lead) (RUEF090 to RUEF250) H0 16.0 0.5 Abscissa to Top (RUEF090 to RUEF300) H1 32.2 Maximum Abscissa to Top* (RUEF400 to RUEF900) H1 45.0 Maximum Overall Width with Lead Protrusion (RUEF090 to RUEF300) C1 43.2 Maximum Overall Width with Lead Protrusion (RUEF400 To RUEF900) C1 56 Maximum Overall Width without Lead Protrusion (RUEF090 to RUEF300) C2 42.5 Maximum Overall Width without Lead Protrusion (RUEF400 to RUEF900) C2 56 Maximum Lead Protrusion L1 1.0 Maximum Protrusion of Cut-out L 11 Maximum Protrusion beyond Hold-down Tape I2 Not Specified -- Sprocket Hole Pitch P0 12.7 0.3 Device Pitch (RUEF090 to RUEF300) -- 12.7 0.3 Device Pitch (RUEF400 to RUEF900) -- 25.4 0.6 Pitch Tolerance -- 20 Consecutive 1 Tape Thickness T 0.9 Maximum Overall Tape and Lead Thickness (RUEF090 to RUEF50) T1 1.5 Maximum Overall Tape and Lead Thickness* (RUEF300 to RUEF900) T1 2.3 Maximum Splice Sprocket Hole Alignment -- 0 0.3 Body Lateral Deviation Dh 0 1.0 Body Tape Plane Deviation Dp 0 1.3 0.7 Ordinate to Adjacent Component Lead (RUEF090 to RUEF300) P1 3.81 Ordinate to Adjacent Component Lead (RUEF400 to RUEF900) P1 7.62 0.7 Lead Spacing* (RUEF090 to RUEF400) F 5.05 0.75 Lead Spacing* (RUEF500 to RUEF900) F 10.15 0.75 Reel Width (RUEF090 to RUEF400) W2 56.0 Maximum Reel Width (RUEF500* to RUEF900) W2 63.5 Maximum A 370.0 Maximum Space between Flanges* (RUEF090 to RUEF400) W1 48.0 Maximum Space between Flanges* (RUEF500 to RUEF900) W1 55.0 Maximum C 26.0 12.0 Reel Diameter Arbor Hold Diameter Core Diameter* N 91.0 Maximum Box -- 64/372/362 Maximum Consecutive Missing Places -- None -- Empty Places per Reel -- 0.1% Maximum *Differs from EIA specification. (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/22/18 PolySwitch(R) Resettable PTCs Radial Leaded > RUEF Series Tape and Reel Diagrams h p h p Reference Plane H1 P1 H1 F A L H0 B D4 C2 C1 H W5 W I2 L1 P0 D0 Figure 1 Direction of Unreeling Cross Section A-B t Reel Upper Side n Type a Direction of Unreeling Lower Side c w1 Cross Section w2 Optional Shape: Circular or Polygonal Figure 2 WARNING * Users should independently evaluate the suitability of and test each product selected for their own application. * Operation beyond the maximum ratings or improper use may result in device damage and possible electrical arcing and flame. * These devices are intended for protection against damage caused by occasional overcurrent or overtemperature fault conditions and should not be used when repeated fault conditions or prolonged trip events are anticipated. * Contamination of the PPTC material with certain silicone-based oils or some aggressive solvents can adversely impact the performance of the devices. * Device performance can be impacted negatively if devices are handled in a manner inconsistent with recommended electronic, thermal, and mechanical procedures for electronic components. * PPTC devices are not recommended for installation in applications where the device is constrained such that its PTC properties are inhibited, for example in rigid potting materials or in rigid housings, which lack adequate clearance to accommodate device expansion. * Operation in circuits with a large inductance can generate a circuit voltage (Ldi/dt) above the rated voltage of the device. Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. (c) 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/22/18