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Model AHEF300
Description Tyco PolySwitch™ PTC The AHEF series TE AHEF series fuse is an automotive specific PolySwitch PPTC device that meets and is sold under the PS400 specification, derived from the AEC-Q200 standard used for electronic components in the automotive industry. The commonly used applications include in car information services, entertainment and navigation systems, LCD backlight heaters, power and cigarette lighter sockets, plugs and adapters/chargers, motors and motor circuit protection, including power door locks, mirrors, lumbar pumps, seats, sunroofs, windows, airflow detection, and overcurrent protection in HVAC and cooling fan systems. Overcurrent and Overvoltage Circuit Protection Equipment Resettable and Disposable Overcurrent Equipment Wide Range Shape Factors and Termination Methods Products Compliant with Applicable Automotive Industry Standards Equipment Compatible with High Capacity Electronic Assembly Compliant with RoHs # # # Printed Circuit Board Wire End Resettable Fuses with Radial Leads Features: All Passed UL, CSA, and TUV Certification can protect electrical and electronic circuits from damage caused by excessive current. It can quickly switch from a low resistance state to a very high resistance state through electrical overload or short circuit. After correcting the fault state and turning off the power, it can quickly and automatically reset and return to the low resistance state. Features: It can perform thousands of automatic self resets. Maintenance free small models, no need for fuse holders. Main applications: security system power supply and transformer power switch devices, automotive and medical equipment instruments and control computers and peripheral devices, audio, video, and telecommunications
Product QR code
Packaging Radial
Delivery time
Packaging method Bulk
Standard packaging quantity 1
2.69  yuan 2.69yuan
5+:
$ 3.6329
25+:
$ 3.3638
50+:
$ 3.1754
100+:
$ 3.0947
500+:
$ 3.0408
2500+:
$ 2.9736
5000+:
$ 2.9466
10000+:
$ 2.9063
Quantity
5+
25+
50+
100+
500+
Price
$3.6329
$3.3638
$3.1754
$3.0947
$3.0408
Price $ 3.6329 $ 3.3638 $ 3.1754 $ 3.0947 $ 3.0408
Start batch production 5+ 25+ 50+ 100+ 500+
  • Freight charges   In stock Freight rate:$13.00
  • Quantity
    Stock(7691) Minimum order quantity(5)
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Technical parameters/trip time: 5 s

Technical parameters/dissipated power: 3.2 W

Technical parameters/holding current: 3 A

Technical parameters/tripping current: 6 A

Technical parameters/Holding current (Max): 3 A

Technical parameters/operating temperature (Max): 125 ℃

Technical parameters/operating temperature (Min): -40 ℃

Technical parameters/rated voltage: 32 VDC

Encapsulation parameters/installation method: Through Hole

Encapsulation parameters/Encapsulation: Radial

External dimensions/height: 15.5 mm

External dimensions/packaging: Radial

External dimensions/power cord length: 7.6 m

Physical parameters/operating temperature: -40℃ ~ 125℃

Other/Product Lifecycle: Active

Other/Packaging Methods: Bulk

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

Customs information/ECCN code: EAR99

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Shipping Dispatch time In-stock products are generally dispatched within two business days after order confirmation. Actual transit time depends on the destination, carrier and customs clearance.
Shipping rates Shipping costs are calculated based on product weight, destination and the selected delivery method. The final amount is shown in the cart or confirmed with your order.
Shipping options UPS, DHL, FedEx and SF Express are supported. Available options are subject to the order checkout page.
Order tracking A tracking number will be provided after dispatch. You can check it in your order history or track the shipment on the carrier's website.
Returns & Warranty Returns If your order has a quantity discrepancy, an incorrect part or visible damage, please retain the original packaging and supporting evidence and contact customer service promptly.
Quality assurance We take product quality and sourcing seriously. Warranty coverage, duration and return conditions are subject to the product information, order agreement and after-sales review.
Ordering How to buy Search for a part → select the product and quantity → add to cart → submit the order → complete payment → dispatch. For products without stock or a displayed price, use “Request a Quote” to submit a BOM inquiry.
Payment Online and offline payment methods displayed by the platform are supported. Final availability is subject to the checkout page and customer service confirmation.

Q:How do I order this product?

A:Confirm the part number, brand, package and quantity, add the product to your cart, then enter your delivery and billing details, choose shipping and payment methods, and submit the order.

Q:What should I do if no price or stock is displayed?

A:Click “Request a Quote” on the product page. The part number and brand will be carried to the BOM quotation page. Enter the required quantity and contact details, and we will respond with pricing and lead time.

Q:Which payment methods are supported?

A:Payment methods shown on the checkout page are supported. For large orders or wire transfers, please contact customer service before placing the order.

Q:How is my order shipped and tracked?

A:Your order will be shipped through the selected or confirmed carrier, including UPS, DHL, FedEx or SF Express. The tracking number will be available in your order history after dispatch.

Q:How do I request after-sales support?

A:Keep the product, original packaging, labels and delivery records, take clear photos of the issue, and contact customer service promptly. We will provide a return, replacement or other solution after verification.

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