PolySwitch(R) Resettable PPTCs Radial Leaded > AHRF Series AHRF Series RoHS Description The AHRF Series is a PPTC resettable device designed specifically for the automotive industry. It is a 16V high-temperature, lead-free, radial leaded resettable device that meets Littelfuse's Automotive qualification. This qualification is based on AEC-Q200: Stress Test Qualification for Passive Components. Applications * Motor and motor circuit protection including power doorlocks, mirrors, lumbar umps, seats, sunroofs and windows * Electronic Control Unit (ECU) I/O protection Features * Overcurrent and overvoltage circuit protection devices * Heating, Ventilation and Cooling (HVAC) motor and I/O protection * Resettable and single-use overcurrent devices * Telematics, infotainment and navigations systems * Wide range of form factor and termination methods * Liquid Crystal Display (LCD) back-light heaters * Products meet applicable automotive industry standards * Power and cigarette lighter outlets, plugs and adapter/chargers * Devices compatible with high-volume electronics assembly * Powered networks and buses * Air-flow detection and overcurrent protection in HVAC and cooling fan systems * RoHS compliant, Lead-Free and Halogen-Free * Stall detection in express window and sunroof circuits * Resettable overcurrent protection for power distribution, electrical centers and junction boxes Additional Information * Wire downsizing Datasheet * Motor electromagnetic interference (EMI) suppression Samples Resources * Electrostatic discharge (ESD) damage protection * Load dump and other transient voltage protection Electrical Characteristics Part Number IH(A)@ IH(A)@ IT VMAX IMAX PD Typ (R1MAX) (RaMAX) (A) (VDC) (A) (W) Max Time-to-trip (A) RMIN RMAX R1MAX (s) () () () Lead Size (mm2/AWG) AHRF (High Temperature) - 30V AHRF050 0.5 0.5 1.0 30 40 0.9 2.5 3.0 0.3500 1.100 1.100 0.205/24 AHRF070 0.7 0.7 1.4 30 40 1.4 3.5 3.2 0.2300 0.800 0.800 0.205/24 AHRF100 1.0 1.0 1.9 30 40 1.4 5.0 6.2 0.1500 0.430 0.430 0.205/24 Notes: IH :Hold current: maximum current device will pass without interruption in 25C, unless otherwise specified. IT :Trip current: minimum current that will switch the device from low-resistance to high-resistance in 25C still air, unless otherwise specified. VMAX :Maximum 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 25C still air, unless otherwise specified. RMIN :Minimum resistance of device as supplied at 25C, unless otherwise specified. R1MAX:Maximum resistance of device when measured one hour post trip at 25C unless otherwise specified. RaMAX:Maximum functional resistance of device after being subjected to the stresses described in PS400 at 25C, unless otherwise specified. RaMIN:Minimum functional resistance of device after being subjected to the stresses described in PS400 at 25C, unless otherwise specified. * Electrical characteristics determined at 25C. (c) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 PolySwitch(R) Resettable PTCs Radial Leaded > AHRF Series Electrical Characteristics Part Number (Cont'd) IH(A)@ IH(A)@ IT VMAX IMAX PD Typ (R1MAX) (RaMAX) (A) (VDC) (A) (W) Max Time-to-trip (A) RMIN RMAX R1MAX (s) () () () Lead Size (mm2/AWG) AHRF (High Temperature) - 16V AHRF200 2.0 2.0 3.8 16 100 1.4 10.0 4.8 0.0390 0.1100 0.1100 0.205/24 AHRF300 3.0 3.0 6.5 16 100 3.0 15.0 5.0 0.0290 0.0790 0.0790 0.52/20 AHRF400 4.0 4.0 7.4 16 100 3.3 20.0 5.0 0.0210 0.0600 0.0600 0.52/20 AHRF450 4.5 4.5 8.7 16 100 3.6 22.5 4.0 0.0170 0.0540 0.0540 0.52/20 AHRF550 5.5 5.5 10.0 16 100 3.5 27.5 6.0 0.0130 0.0370 0.0370 0.52/20 AHRF600 6.0 6.0 12.0 16 100 4.1 30.0 6.5 0.0100 0.0320 0.0320 0.52/20 AHRF650 6.5 6.5 13.7 16 100 4.3 32.5 7.0 0.0090 0.0260 0.0260 0.52/20 AHRF700 7.0 7.0 13.1 16 100 4.0 35.0 7.0 0.0087 0.0250 0.0250 0.52/20 AHRF750 7.5 7.5 14.8 16 100 4.5 37.5 8.0 0.0074 0.0220 0.0220 0.52/20 AHRF800 8.0 8.0 15.0 16 100 4.2 40.0 8.0 0.0072 0.0200 0.0200 0.52/20 AHRF900 9.0 9.0 18.5 16 100 5.0 45.0 11.5 0.0061 0.0170 0.0170 0.52/20 AHRF1000 10.0 10.0 20.5 16 100 5.3 50.0 10.5 0.0051 0.0150 0.0150 0.52/20 AHRF1100 11.0 11.0 21.2 16 100 5.5 55.0 11.0 0.0048 0.0130 0.0130 0.52/20 AHRF1300 13.0 13.0 27.0 16 100 6.9 65.0 15.0 0.0034 0.0100 0.0100 0.82/18 AHRF1400 14.0 14.0 28.3 16 100 6.9 70.0 15.5 0.0029 0.0090 0.0090 0.82/18 AHRF1500 15.0 15.0 33.0 16 100 7.0 75.0 20.0 0.0027 0.0092 0.0092 0.82/18 Notes: IH :Hold current: maximum current device will pass without interruption in 25C, unless otherwise specified. IT :Trip current: minimum current that will switch the device from low-resistance to high-resistance in 25C still air, unless otherwise specified. VMAX :Maximum 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 25C still air, unless otherwise specified. RMIN :Minimum resistance of device as supplied at 25C, unless otherwise specified. R1MAX:Maximum resistance of device when measured one hour post trip at 25C unless otherwise specified. RaMAX:Maximum functional resistance of device after being subjected to the stresses described in PS400 at 25C, unless otherwise specified. RaMIN:Minimum functional resistance of device after being subjected to the stresses described in PS400 at 25C, unless otherwise specified. * Electrical characteristics determined at 25C. Typical Time-to-Trip Curves at 25C C 1000 K= AHRF700 L= AHRF750 M= AHRF800 N= AHRF900 O= AHRF1000 P= AHRF1100 Q= AHRF1300 R= AHRF1400 S= AHRF1500 100 Time-to-Trip (s) AHRF A= AHRF050 B= AHRF070 C= AHRF100 D= AHRF200 E= AHRF300 F= AHRF400 G= AHRF450 H= AHRF550 I=AHRF600 J= AHRF650 D E F G H I JKLM N OP QRS B A 10 S R Q P O N M L K J I H 1 0.10 0.01 1 10 A Fault Current (A) (c) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 B C D G F E 100 PolySwitch(R) Resettable PPTCs Radial Leaded > AHRF Series Temperature Rerating Maximum Ambient Temperature -40C -20C 0C 20C 25C 40C 50C 60C 70C 85C 125C Hold Current (A) AHRF (High Temperature) - 30V AHRF050 0.7 0.6 0.6 0.5 0.5 0.4 0.4 0.4 0.3 0.3 0.1 AHRF070 1.0 0.9 0.8 0.7 0.7 0.6 0.6 0.5 0.5 0.4 0.2 AHRF100 1.4 1.2 1.1 1.0 1.0 0.9 0.8 0.7 0.7 0.6 0.2 1.6 1.5 1.3 1.1 0.5 AHRF (High Temperature) - 16V AHRF200 2.7 2.5 2.3 2.1 2.0 1.8 AHRF300 4.1 3.7 3.4 3.1 3.0 2.7 2.4 2.2 2.0 1.7 0.7 AHRF400 5.6 5.1 4.7 4.2 4.0 3.6 3.3 3.0 2.7 2.3 1.0 AHRF450 6.1 5.6 5.1 4.6 4.5 4.0 3.6 3.3 3.0 2.5 1.1 AHRF550 7.5 6.9 6.2 5.7 5.5 4.9 4.4 4.0 3.7 3.1 1.4 AHRF600 8.2 7.5 6.8 6.2 6.0 5.3 4.9 4.4 4.0 3.3 1.5 AHRF650 8.8 8.1 7.4 6.7 6.5 5.7 5.3 4.8 4.3 3.6 1.6 AHRF700 9.5 8.7 8.0 7.2 7.0 6.2 5.6 5.2 4.7 3.9 1.7 AHRF750 10.2 9.4 8.6 7.7 7.5 6.6 6.1 5.6 5.0 4.1 1.9 AHRF800 10.9 10.0 9.1 8.2 8.0 7.1 6.4 5.9 5.3 4.4 2.0 AHRF900 12.2 11.2 10.2 9.3 9.0 8.0 7.2 6.6 6.0 5.0 2.2 AHRF1000 13.6 12.5 11.4 10.3 10.0 8.8 8.1 7.4 6.6 5.5 2.5 AHRF1100 14.9 13.7 12.5 11.3 11.0 9.7 8.8 8.1 7.3 6.1 2.7 AHRF1300 17.7 16.3 14.8 13.4 13.0 11.4 10.5 9.6 8.6 7.2 3.3 AHRF1400 19.0 17.5 15.9 14.4 14.0 12.4 11.2 10.3 9.3 7.8 3.5 AHRF1500 20.4 18.8 17.1 15.5 15.0 13.2 12.1 11.1 9.9 8.3 3.8 Temperature Rerating Curve % of Rated Hold and Trip Current 200 150 100 50 0 -40 -20 0 20 40 60 80 100 120 Ambient Temperature (C) (c) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 PolySwitch(R) Resettable PTCs Radial Leaded > AHRF Series Physical Specifications AHRF050 to AHRF200 : Tin-plated Copper-clad Steel, 0.205mm2 (24 AWG), o 0.51mm/0.020in Lead Material AHRF300 to AHRF1100 : Tin-plated Copper 0.52mm2 (20 AWG), o 0.81mm/0.032in AHRF1300 to AHRF1500 : Tin-plated Copper 0.82mm2 (18 AWG), o 1.0mm/0.04in Soldering Characteristics Solderability per ANSI/J-STD 002 Category 3 Solder Heat Withstand Per IEC 68-2-20, Test Tb, Method 1a, Condition b; Can Withstand 10 s at 260C 5C Insulating Material Cured, Flame-retardant Epoxy Polymer; Meets UL 94V-0 Requirements Operation Temperature -40C~125C Note: See PS400 for other physical characteristics. 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 125C, -40C 10 times 5% Solvent Resistance MIL-STD-202, Method 215F No change Passive Aging Note: See PS400 for other environmental specifications. 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. Part Ordering Number System AHRF 800 -2 Packaging Option (Blank) = Bulk 2 = Tape and Reel Packaging AP = Ammo Pack Hold Current Indicator Product Series An "F" at the End of the Series Indicates Pb-free Version of Product (c) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 A G G H B D F C (R) PolySwitch Resettable PPTCs C J RadialB Leaded > AHRF Series A D E E J F E EC CL A A C D D H F CL CL CL C B F Dimension Figures A G E A A E F H G D D C B CL D Figure 2 B B C E E G A F Min CL CL AHRF050 H BA Max Min B AHRF070 -- AHRF100 D 7.4 (0.29) DG Max Min -- B -- 12.7 (0.50) 4.3 (0.17) 5.8 (0.23) -- 10.8 (0.43) 4.3 (0.17) -- 13.6 (0.54) 4.3 (0.17) E 6.9 (0.27) 9.7 (0.38) E H Max Min -- C CL to CL AHRF300 AHRF400 9.4 (0.37) F -- 7.6 (0.30) -- 5.8 (0.23) 7.6 B (0.30) A -- E C CL to CL -- F B Max Min D3.3 3.3 (0.13) -- 3.0 (0.12) D G D Max C CL Min Max CL 13.8 (0.55) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) 15.0 (0.59) 4.3 (0.17) 5.8 (0.23) G 7.6H (0.30) -- -- 15.6 (0.61) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) -- -- 18.9 (0.74) 4.3 (0.17) 5.8 (0.23) 7.6 (0.30) -- 21.0 (0.73) 4.3 (0.17) 5.8D (0.23) 7.6 (0.30) -- 10.0 (0.39) -- 10.4 (0.41) AHRF550 -- 11.2 (0.44) I A -- 11.2 (0.44) -- D C CL to CL -- B F CL CL -- -- -- -- -- (0.05) 1.2 C (0.05) -- F -- G E(x2) A 1.2 (0.05) -- -- -- 3.0 1.2 (0.12)A (0.05) -- -- 3.0 (0.12) 1.2 (0.05) -- -- -- 3.0 (0.12) 1.2 (0.05) -- -- -- 3.0 (0.12) 1.2 (0.05) -- -- -- 3.0 (0.12) 1.2 (0.05) -- -- D E CL CL Figure B B C Typ E(x2) C to C CL 1.24 L 1.6 D (0.06) F CL CL 3,4,5 -- 1.24 (0.049) 1.6A (0.06) A A -- 1.24 (0.049) -- 1.24 (0.049) D 1.6 (0.06) 1.24 (0.049) 1.6 (0.06) 1,4,5 3.94 1.24 (0.155) (0.049) 1.6 (0.06) 1,4,5 1.24 (0.049) 1.6 (0.06) 1,4,5 4.49 1.24 (0.177) (0.049) 1.7 (0.07) 1,4,5 C -- -- 2,4,5 B D 1.6 (0.06) G 2,4,5 I (0.049) I H 1.24 (0.049) 1.6 (0.06) -- H I 3.0 (0.12) B E G J Typ F -- E(x2) B B -- -- C CL CL C F 1.2 CL C L E F H F 1.2 (0.05) (0.13) -- E(x2) 5.8 7.6 D C (0.23)C (0.30) -- -- AHRF600 5.8 (0.23) 4.3 (0.17) L L 8.8 (0.35) E(x2) AHRF450 C H -- 14.4 (0.57) -- C C -- F B 7.6 (0.30) B D A C CL to CL D E AHRF (High Temperature) - 16V D AHRF200 C F E A H Dimensions in Millimeters (Inches) A C Min B D B Max -- A A G FigureB 5 E C A H E I AHRF (High Temperature) - 30V C A A C J D Part Number A I F F CL CL CL to CL Figure 3 E(x2) G D A CC E Dimensions J C CL to CL F E F CL CL E(x2) C Figure 4 A F E B G B J Figure 1 J C C CL to CL J E J D F CL CL CL A E H E C F CL CL CL A F CL CL A C CL CL B D D E A A CL B B C D D C E H B 2,4,5 1,4,5 E (c) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 C D (R) C PolySwitch Resettable PTCs H RadialB Leaded > AHRF Series F D A G G J B A D E C E J F E EC CL A A C D H F CL CL CL C B F Dimension Figures A G E A A E F H G D D C B CL D Figure 2 B C Dimensions J E C CL to CL E A F Min CL CL H B Max BA Max Min AHRF650 A A B AHRF700 -- AHRF750 AHRF800 AHRF900C -- E CL to CL AHRF1000 AHRF1100 F DG Max Min E H Max Min B AHRF1400 22.2 (0.88) 4.3 (0.17) 5.8 (0.23) 14.0 (0.55) -- 21.9 (0.86) 4.3 (0.17) 14.0 (0.55) -- 23.5 (0.93) 4.3 (0.17) E 7.6 (0.30) -- 5.8 (0.23) 7.6 (0.30) -- 5.8 (0.23) 7.6 B -- (0.30) A -- 22.5 (0.88) 4.3 (0.17) 5.8 (0.23) 16,5F (0.65) CL CL -- 25.7 (1.01) 4.3 (0.17) 5.8 C 7.6 CL to CL(0.30) (0.23) 17.5 (0.69) -- -- 21.0 (0.83) -- 23.5 (0.925) -- -- -- H AHRF1500 B -- -- D 7.6 (0.30) D -- E C CL to CL -- -- F -- E(x2) F B Max Min -- B F CL CL 3.0 D (0.12) 3.0 (0.12) 3.0 (0.12) Max C CL G Min CL (0.05) -- -- -- -- B -- F -- G 3.0 (0.12) 1.2 G (0.05) I -- -- 3.0 (0.12) 1.2 (0.05) -- -- -- 3.0 A 1.2 (0.12) (0.05) -- -- -- 9.4 (0.37) 10.9 (0.43) 7.6 (0.30) G H -- -- 26.1 (1.03) 9.4 (0.37) 10.9 (0.43) 7.6 A (0.30) -- --B 3.0 (0.12) 1.2 (0.05) -- -- -- 28.7 (1.13) 9.4 10.9 (0.37)C (0.43) 7.6 (0.30) -- -- 3.5 (0.14) 1.4 (0.06) -- -- 23.5 A (0.93) -- 28.7 (1.13) 9.4 (0.37) 10.9 (0.43) D 7.6 (0.30) -- -- 3.6 (0.14) 1.4 (0.06) -- -- 23.5 (0.93) -- 9.4 (0.37) 10.9 (0.43) 7.6 (0.30) -- -- 3.5 (0.14) 1.4 (0.06) -- -- D (c) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 28.7 (1.13) E H D C to C CL 1.24 L 1.8 D (0.07) (0.049) 1.6 (0.06) 5.69 1.24 I (0.224) (0.049) 2.0A (0.08) -- A H Figure Typ 5.08 1.24 E(x2) (0.200) (0.049) B E(x2) E CL CL B Typ F J CL CL 26.5 (1.04) I Max C F 1.2 CL C L E F H F 1.2 (0.05) 1.2 C (0.05) D D -- C B (Cont'd) D A C CL to CL D E D 16.5 (0.65) -- E(x2) AHRF1300 12.7 (0.50) -- C H Dimensions in Millimeters (Inches) A C Min A I B A H E FigureB 5 E C AHRF (High Temperature) - 16V G A A C E(x2) G D Part Number A F CL CL CL to CL Figure 3 I F J C D A CC F CL CL E(x2) D F E A F C Figure 4 E B B G B J Figure 1 J C C CL to CL J E J D F CL CL CL A E H E C F CL CL CL A F CL CL A C CL CL B D E A A CL B B C D D C E H B A F CL CL 1,4,5 1,4,5 B 1.24 (0.049) D(0.06) -- -- 1,4,5 1.5 (0.06) E1,4,5 1.24 (0.049) 1.6 (0.06) 1,4,5 7.82 1.45 (0.308) (0.057) 1.9 (0.08) 1,4,5 1.24 (0.049) 1.6 (0.06) 1,4,5 -- -- 1,4,5 -- C -- 7.47 1.24 D (0.294) (0.049) -- -- 7.82 (0.308) 1.6 1,4,5 I 1,4,5 D PolySwitch(R) Resettable PPTCs Radial Leaded > AHRF Series Packaging and Marking Information Part Number Bag Quantity Tape and Reel Quantity Ammo Pack Quantity Standard Package Quantity Part Marking Agency Recognition AHRF (High Temperature) AHRF050 500 -- -- 10,000 H0.5 * AHRF050-2 -- 2,500 -- 12,500 H0.5 * AHRF050-AP -- -- 2,500 12,500 H0.5 * 500 -- -- 10,000 H0.7 * AHRF070-2 -- 2,500 -- 12,500 H0.7 * AHRF070-AP -- -- 2,500 12,500 H0.7 * 500 -- -- 10,000 H1 * AHRF100-2 -- 2,500 -- 12,500 H1 * AHRF100-AP -- -- 2,500 12,500 H1 * 500 -- -- 10,000 H2 * AHRF200-2 -- 2,500 -- 12,500 H2 * AHRF200-AP -- -- 2,500 12,500 H2 * 500 -- -- 10,000 H3 * AHRF300-2 -- 2,000 -- 10,000 H3 * AHRF300-AP -- -- 2,000 10,000 H3 * 500 -- -- 10,000 H4 * AHRF400-2 -- 1,500 -- 7,500 H4 * AHRF400-AP -- -- 1,500 7,500 H4 * 500 -- -- 10,000 H4.5 * AHRF450-2 -- 1,500 -- 7,500 H4.5 * AHRF450-AP -- -- 1,500 7,500 H4.5 * 500 -- -- 10,000 H5.5 * AHRF550-2 -- 2,000 -- 10,000 H5.5 * AHRF550-AP -- -- 2,000 10,000 H5.5 * 500 -- -- 10,000 H6 * AHRF600-2 -- 2,000 -- 10,000 H6 * AHRF600-AP -- -- 2,000 10,000 H6 * 500 -- -- 10,000 H6.5 * AHRF650-2 -- 1,500 -- 7,500 H6.5 * AHRF650-AP -- -- 1,500 7,500 H6.5 * AHRF070 AHRF100 AHRF200 AHRF300 AHRF400 AHRF450 AHRF550 AHRF600 AHRF650 *These devices are intended for use in automotive applications. (c) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 PolySwitch(R) Resettable PTCs Radial Leaded > AHRF Series Packaging and Marking Information Part Number Bag Quantity (Cont'd) Tape and Reel Quantity Ammo Pack Quantity Standard Package Quantity Part Marking Agency Recognition AHRF (High Temperature) AHRF700 500 -- -- 10,000 H7 * AHRF700-2 -- 1,500 -- 7,500 H7 * AHRF700-AP -- -- 1,500 7,500 H7 * 500 -- -- 10,000 H7.5 * AHRF750-2 -- 1,000 -- 5,000 H7.5 * AHRF750-AP -- -- 1,000 5,000 H7.5 * 500 -- -- 10,000 H8 * AHRF800-2 -- 1,000 -- 5,000 H8 * AHRF800-AP -- -- 1,000 5,000 H8 * 250 -- -- 5,000 H9 * AHRF900-2 -- 1,000 -- 5,000 H9 * AHRF900-AP -- -- 1,000 5,000 H9 * 250 -- -- 5,000 H10 * AHRF1000-2 -- 1,000 -- 5,000 H10 * AHRF1000-AP -- -- 1,000 5,000 H10 * 250 -- -- 5,000 H11 * AHRF1100-2 -- 1,000 -- 5,000 H11 * AHRF1100-AP -- -- 1,000 5,000 H11 * 250 -- -- 5,000 H13 * AHRF1300-2 -- 1,000 -- 5,000 H13 * AHRF1300-AP -- -- 1,000 5,000 H13 * 250 -- -- 5,000 H14 * AHRF1400-2 -- 1,000 -- 5,000 H14 * AHRF1400-AP -- -- 1,000 5,000 H14 * 250 -- -- 5,000 H15 * AHRF1500-2 -- 1,000 -- 5,000 H15 * AHRF1500-AP -- -- 1,000 5,000 H15 * AHRF750 AHRF800 AHRF900 AHRF1000 AHRF1100 AHRF1300 AHRF1400 AHRF1500 *These devices are intended for use in automotive applications. (c) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 PolySwitch(R) Resettable PPTCs Radial Leaded > AHRF Series Tape and Reel Specifications AHRF devices are available in tape and reel packaging per EIA468-B/IEC286-2 and EIA 481-2 standards. See Figures 1 and 2 for details. Description EIA Mark Dimension (mm) Tolerance Carrier Tape Width W 18.0 -0.5/+1.0 Hold Down Tape Width W4 11.0 Minimum Top Distance between Tape Edges W6 3.0 Maximum Sprocket Hole Position W5 9.0 -0.5/+0.75 Sprocket Hole Diameter D0 4.0 0.2 Abscissa to Plane (Kinked Lead) (AHRF050 to AHRF1500) H0 16.0 0.5 Abscissa to Top (AHRF050 to AHRF450) H1 32.2 Maximum Abscissa to Top (AHRF550 to AHRF1500*) H1 45.0 Maximum Overall Width with Lead Protrusion (AHRF050 to AHRF450) C1 43.2 Maximum Overall Width with Lead Protrusion (AHRF550 to AHRF1500) C1 55.0 Maximum Overall Width without Lead Protrusion (AHRF050 to AHRF450) C2 42.5 Maximum Overall Width without Lead Protrusion (AHRF550 to AHRF1500) C2 54.0 Maximum Lead Protrusion L1 1.0 Maximum Maximum Protrusion of Cut-out L 11.0 Protrusion Beyond Hold-Down Tape I2 Not specified -- Sprocket Hole Pitch P0 12.7 0.3 Device Pitch (AHRF050 to AHRF600) -- 12.7 0.3 Device Pitch (AHRF650 to AHRF1500) -- 25.4 0.6 Pitch Tolerance -- 20 consec. 0.1 Tape Thickness t 0.9 Maximum Overall Tape and Lead Thickness (AHRF050 to AHRF1100*) t1 2.0 Maximum Overall Tape and Lead Thickness (AHRF1300 to AHRF1500*) t1 2.3 Maximum Splice Sprocket Hole Alignment -- 0 0.3 Body Lateral Deviation h 0 1.0 Body Tape Plane Deviation p 0 1.3 Ordinate to Adjacent Component Lead (AHRF050 to AHRF900) P1 3.81 0.7 Ordinate to Adjacent Component Lead (AHRF1000 to AHRF1500) P1 7.62 0.7 Lead Spacing (AHRF050 to AHRF900*) F 5.05 0.75 F 10.15 0.75 Reel Width (AHRF050 to AHRF450) Lead Spacing (AHRF1000 to AHRF1500*) w2 56.0 Maximum Reel Width (AHRF550 to AHRF1500*) w2 63.5 Maximum Reel Diameter A 370.0 Maximum Arbor Hold Diameter c 26.0 12.0 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) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19 PolySwitch(R) Resettable PTCs Radial Leaded > AHRF Series Tape and Reel Diagrams h p h p Reference Plane H1 P1 H1 F A L H0 B W4 C2 C1 H W5 W I2 L1 P0 D0 Figure 1 Direction of Unreeling Cross Section A-B t Reel Upper Side n Tape 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) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/31/19