RXEF300

POLYSWITCH RESETTABLE DEVICES Radial-Leaded Devices Littelfuse’s PolySwitch radial-leaded products represent the most comprehensive and complete set of PPTC products available in the industry today. • RGEF series for hold currents up to 14A • RHEF series for flatter thermal derating and operating temperatures up to 125°C • RUEF series for balance of voltage rating (30V) and hold current (up to 9A) • RUSBF series for fast time-to-trip and low-resistance computer applications • RXEF series for low hold currents (down to 50mA) and high voltage rating (up to 72V) • RKEF series for balance of voltage rating (60V) and hold current (up to 5A) • Now offering halogen free versions of all products BENEFITS APPLICATIONS • Many product choices help provide engineers more design flexibility • Satellite video receivers • Compatible with high-volume electronics assembly • Transformers • Assists in meeting regulatory requirements • Modems • Higher voltage ratings allow use in new applications • CD-ROMs • Industrial controls • Game machines FEATURES • Phones • RoHS compliant • Fax machines • Halogen free (refers to: Br≥900ppm, Cl≥900ppm, Br+Cl≥1500ppm) • Analog and digital line cards • Broadest range of radial-leaded resettable devices available in the industry • Intelligent appliance • Current ratings from 50mA to 15A • Voltage ratings from 6V (computer and electronic applications) to 72V • Agency recognition : UL, CSA, TÜV, CQC** • Fast time-to-trip • Printers • Robotic machine • Power supply • Security • Lighting • Medical application • Low resistance **CQC only applies to RXEF, RUEF family parts RoHS Compliant, ELV Compliant HF Halogen Free Specifications subject to change without notice. ©2018 Littelfuse, Inc. 154 PolySwitch Resettable Devices Radial-Leaded Devices Application Selection Guide The guide below lists PolySwitch radial-leaded devices that are typically used in each of the applications described. Specifications for the suggested device part numbers can be found in this section. Once a part number has been selected, the user should evaluate and test each product for its intended application. PolySwitch Resettable Devices — Key Selection Criteria Protection Application Small Size Flatter Derating Lower Current Higher Voltage Electromagnetic Loads RGEF (