PolySwitch® PTC Devices PRODUCT: AHRF050 DOCUMENT: SCD26629 REV LETTER: E REV DATE: JULY 26,2016 PAGE NO.: 1 OF 2 Overcurrent Protection Device Specification Status: Released Electrical Rating Voltage: 30V MAX Current: 40A MAX Insulating Material: Cured, Flame Retardant Epoxy Polymer meets UL94 V-0 Requirements Lead Material: 24 AWG Tin Plated Copper Clad Steel (0.51mm[0.020]nom. diameter) Part Marking: Manufacturer’s Mark H0.5 and Part Identification Lot Identification TABLE I. DIMENSIONS: A B MIN MAX MIN MAX mm: -7.4 -12.7 in*: -(0.29) -(0.50) *Rounded off approximation C MIN 4.3 (0.17) D MAX 5.8 (0.23) MIN 7.6 (0.30) E MAX --- MIN --- MAX 3.3 (0.13) F TYP 1.2 (0.05) TABLE II. PERFORMANCE RATINGS: CURRENT RATINGS TIME TO TRIP INITIAL RESISTANCE VALUES Ra MAX TRIPPED-STATE POWER DISSIPATION AMPS AT 25°C HOLD TRIP 0.50 1.00 SECONDS AT 25°C, 2.5A MAX 3.0 OHMS AT 25°C MIN MAX 0.35 0.78 OHMS AT 25°C MAX 1.10 WATTS AT 25°C 16V TYP 0.9 Reference Documents: Precedence: Effectivity: CAUTION: flame PS400, PS300 (reference for R1 MAX) This specification takes precedence over documents referenced herein. Reference documents shall be the issue in effect on the date of invitation for bid. Operation beyond the rated voltage or current may result in rupture, electrical arcing or Materials Information ROHS Compliant ELV Compliant Pb-Free Halogen Free* HF * Halogen Free refers to: Br≤900ppm, Cl≤900ppm, Br+Cl≤1500ppm. © 2016 Littelfuse,Inc. Specifications are subject to change without notice. Revised July 26,2016 littelfuse.com PolySwitch® PTC Devices Overcurrent Protection Device PRODUCT: AHRF050 DOCUMENT: SCD26629 REV LETTER: E REV DATE: JULY 26,2016 PAGE NO.: 2 OF 2 TABLE III. AUTOMOTIVE SPECIFIC STRESS TESTS AND TEST CONDITIONS: ELECTRICAL STRESS TESTS TEST CONDITIONS (see note 2) ESD Voltage Withstand (see note 1) Short Circuit Fault Current Durability 25kV Fault Current Durability 350 cycles, 16V/100A End-of-life Mode Verification 1750 cycles, 16V/100A Jump Start Endurance (see note 1) Load Dump Endurance (see note 1) 3 cycles, 26V, 1 minute duration 25 cycles, 16V, 200A 10 cycles, 86.5V Note 1: The PolySwitch devices are tested in series with a load resistance and the voltages specified in the test conditions are shared between the PolySwitch device and the load resistance as specified in PS400. Note 2: Please refer to Appendix A of PS400 for the detailed test procedures 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 shall not be used for, any purpose (including, without limitation, military, aerospace, medical, lifesaving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse © 2016 Littelfuse,Inc. Specifications are subject to change without notice. Revised July 26,2016 littelfuse.com