The AHEF Series is a high-temperature, lead-free, radial leaded resettable PPTC device designed for automotive and electronic circuit protection. It meets automotive industry standards under AEC-Q200 qualification, providing overcurrent and overvoltage protection in various applications such as motors, HVAC systems, power distribution, and telematics. These devices are RoHS compliant, suitable for high-volume electronics, and feature physical dimensions and electrical characteristics optimized for reliability in demanding environments. The series includes multiple current ratings and physical forms, with certifications for automotive use.
Littelfuse AHEF300 High Temperature PPTC Specifications:
Physical Dimensions vary by model, with lead sizes from 0.205mm (24 AWG) to 0.82mm (18 AWG).
Maximum Operating Temperature 125°C, Storage Temperature -40°C to 125°C.
Resistance change +5% after 1000 hrs at 70°C, humidity, or thermal shock.
Solderability compliant with ANSI/J-STD 002 Category 3, withstands 10 seconds at 260°C.
Flame-retardant epoxy polymer meets UL 94V-0, Flame test ISO 60068-2-20.
Electrical ratings include Max Voltage 32V, Hold Current up to 13.6A, Trip Current ranging from 0.5A to 10A.
Device dimensions include overall length, width, lead spacing, and protrusion per detailed standards.
Tape and reel packaging per EIA standards, suitable for automated assembly with reel widths up to 63.5mm.
Environmental tests ensure resistance to humidity, thermal aging, and solvent exposure.
Designed for occasional fault conditions, not for repeated long-term faults or rigid housing constraints.
Buy the Buy Littelfuse High Temperature Resettable PPTC Part Number AHEF300 Online
Purchase Littelfuse high-temperature PPTC resettable devices online to ensure reliable circuit protection in demanding automotive and electronic applications. Featuring robust physical and electrical properties, these devices are ideal for protecting motors, HVAC systems, and power circuits against overcurrent and overvoltage conditions. Their RoHS compliance, lead-free construction, and high-temperature ratings make them suitable for high-volume manufacturing. Ensure your circuits are safeguarded with Littelfuse proven protection components—order now for fast delivery and peace of mind.
Buy Littelfuse AHEF300 now and experience unmatched reliability and overcurrent protection for automotive and electronic circuits.
Frequently Asked Questions
Where can I buy Littelfuse AHEF300?
You can click on the BUY or RFQ button to purchase AHEF300 from an authorized Littelfuse distributor.
How do I troubleshoot issues or seek technical support for part AHEF300?
You can download the AHEF300 datasheet or visit the Littelfuse website for support.
Who is the manufacturer of AHEF300?
Littelfuse
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