B59940C0120A054 Allicdata Electronics
Allicdata Part #:

B59940C0120A054-ND

Manufacturer Part#:

B59940C0120A054

Price: $ 0.00
Product Category:

Circuit Protection

Manufacturer: EPCOS (TDK)
Short Description: PTC RESET FUSE 80V 450MA RADIAL
More Detail: Ceramic PTC Resettable Fuse 80V 450mA Ih Through H...
DataSheet: B59940C0120A054 datasheetB59940C0120A054 Datasheet/PDF
Quantity: 1000
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Resistance - 25°C (Typ): 2.3 Ohms
Approvals: UR
Lead Spacing: 0.197" (5.00mm)
Thickness (Max): --
Height - Seated (Max): 0.827" (21.00mm)
Size / Dimension: 0.689" Dia x 0.138" W (17.50mm x 3.50mm)
Package / Case: Radial, Disc
Mounting Type: Through Hole
Ratings: --
Operating Temperature: -40°C ~ 125°C
Series: --
Current - Trip (It): 900mA
Current - Hold (Ih) (Max): 450mA
Current - Max: 8A
Voltage - Max: 80V
Type: Ceramic
Moisture Sensitivity Level (MSL): --
Part Status: Obsolete
Lead Free Status / RoHS Status: --
Packaging: Tape & Reel (TR) 
Description

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PTC Resettable Fuses are types of fuses that Reset Automatically. The B59940C0120A054 is such a type of fuse which finds application in many electrical and electronic circuits. This article will give an overview of its application field as well as its working principle.

B59940C0120A054 PTC Resettable Fuses are widely used in applications requiring an overcurrent protection. This fuse can be found in both commercial and industrial applications, due to its ability to reset itself after it has tripped. Examples of these applications include data lines, computer memory circuits, automotive electronic systems, telecommunications wiring and many more. Due to its small size, it is also used in many consumer electronic products, like laptops, tablets, phones, and so on.

In addition, the B59940C0120A054 is suitable for applications where exact overcurrent and overvoltage protection is needed. It provides fast response times and highly reliable short-circuit protection for sensitive circuits. It is also able to withstand multiple short-circuit failures and reset itself automatically, instead of needing to be replaced like traditional fuses.

The working principle of the B59940C0120A054 PTC Resettable Fuse is based on the use of a thermistor element. A thermistor is a type of electrical resistor whose electrical resistance changes significantly with small changes in temperature. In a PTC Resettable Fuse, this thermistor is connected in series with the load. When a large overcurrent is drawn through the fuse, it causes a large amount of heat to be generated, resulting in an increase in temperature of the thermistor. As the temperature increases, the resistance of the thermistor increases, limiting the amount of current that can flow through the circuit. Once the fault is cleared, the thermistor\'s temperature and resistance return to normal, allowing the circuit to resume its operation.

The B59940C0120A054 is a robust and reliable PTC Resetable Fuse, which is suitable for a wide range of applications. Its built-in thermistor ensures fast response times and high short-circuit protection, as well as the ability to reset itself automatically after an overcurrent event. This fuse is thus the ideal choice for many electrical and electronic circuits where reliable protection is needed.

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

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