PFRY.300 Allicdata Electronics
Allicdata Part #:

486-3528-ND

Manufacturer Part#:

PFRY.300

Price: $ 0.51
Product Category:

Circuit Protection

Manufacturer: Schurter Inc.
Short Description: PTC RESET FUSE 72V 3A RADIAL
More Detail: Polymeric PTC Resettable Fuse 72V 3A Ih Through Ho...
DataSheet: PFRY.300 datasheetPFRY.300 Datasheet/PDF
Quantity: 500
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: $ 0.46620
10 +: $ 0.43722
20 +: $ 0.40698
50 +: $ 0.36628
100 +: $ 0.34593
200 +: $ 0.32558
500 +: $ 0.30524
1000 +: $ 0.28489
5000 +: $ 0.27064
Stock 500Can Ship Immediately
$ 0.51
Specifications
Resistance - Initial (Ri) (Min): 40 mOhms
Approvals: cURus, TUV
Lead Spacing: 0.402" (10.20mm)
Thickness (Max): --
Height - Seated (Max): 0.937" (23.80mm)
Size / Dimension: 0.814" L x 0.118" W (20.67mm x 3.00mm)
Package / Case: Radial, Disc
Mounting Type: Through Hole
Ratings: --
Operating Temperature: -40°C ~ 85°C
Resistance - Post Trip (R1) (Max): 100 mOhms
Series: PFRY
Time to Trip: 19.8s
Current - Trip (It): 6A
Current - Hold (Ih) (Max): 3A
Current - Max: 40A
Voltage - Max: 72V
Type: Polymeric
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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PTC Resettable Fuses

A Resettable Fuse is a type of fuse that is designed to reset itself once an overcurrent condition has been removed. Unlike traditional fuses that simply blows when they are overloaded, a Resettable Fuse is designed to open and close as needed to protect the circuit and then reset itself when the current normalizes. The main use of Resettable Fuses is to replace traditional fuses in applications where the circuit is so sensitive that regular fuses blow too often.The PFRY.300 is a Resettable Fuse that is made using a Positive Temperature Coefficient (PTC) device. It is designed for use in low current applications, with different ratings for different current situations. It features an integrally formed bi-stable switch with a polymeric PTC element, with self-resettimes typically ranging from 0.2 to 0.3 seconds. It is designed to work in temperatures ranging from -55 °C to 125ºC and in humidity levels ranging from 10% to 95%.

The PFRY.300 is mostly used in electronic device protection, especially in consumer electronics. It has a wide range of applications, including mobile phones, laptops, tablets, and other electronic device applications. It is also used in automotive applications such as protection of electric motor systems.The working principle of a typical Positive Temperature Coefficient device is based on the fact that the device\'s resistance rises with its temperature. As the current through the PTC rises, it increases in temperature, which in turn increases the resistance. This increase in resistance interrupts the current, thus protecting the circuit from overcurrent. When the overcurrent condition is removed, the PTC cools down and falls back to its starting resistance, thus resetting the circuit.

The PFRY.300 has several advantages over other resettable fuses. It is reliable, with flip flop reseting mechanism and multiple protection layers, making it ideal for devices that include automated or accidental overcurrent events. Its low self-resetting time makes it perfect for applications where frequent overcurrent events occur, as the resetting time is much shorter than that of regular fuses. It is also environmentally friendly, because it does not need replacing like regular fuses, which means that it generates lower environmental impact.In conclusion, the PFRY.300 Resettable Fuse is a reliable and environmentally friendly device that is suitable for use in low current applications. It is designed to protect electronic devices and automotive systems from overcurrent conditions, and its flip flop resetting mechanism and multiple protection layers make it an ideal choice for protecting sensitive circuits. It is also very easy to install and has a self-resetting time of only 0.2 to 0.3 seconds, allowing it to reset and protect the circuit much faster than traditional fuses.

The specific data is subject to PDF, and the above content is for reference

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