Allicdata Part #: | 495-76405-ND |
Manufacturer Part#: |
B59975C0160A070 |
Price: | $ 1.04 |
Product Category: | Circuit Protection |
Manufacturer: | EPCOS (TDK) |
Short Description: | PTC RESET FUSE 20V 550MA RADIAL |
More Detail: | Ceramic PTC Resettable Fuse 20V 550mA Ih Through H... |
DataSheet: | B59975C0160A070 Datasheet/PDF |
Quantity: | 991 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 0.94500 |
5 +: | $ 0.91476 |
10 +: | $ 0.85491 |
50 +: | $ 0.70774 |
100 +: | $ 0.58981 |
250 +: | $ 0.57506 |
500 +: | $ 0.48659 |
1000 +: | $ 0.42761 |
5000 +: | $ 0.38337 |
Specifications
Series: | -- |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Ceramic |
Voltage - Max: | 20V |
Current - Max: | 3A |
Current - Hold (Ih) (Max): | 550mA |
Current - Trip (It): | 1.1A |
Resistance - 25°C (Typ): | 1.8 Ohms |
Operating Temperature: | -40°C ~ 85°C |
Ratings: | -- |
Mounting Type: | Through Hole |
Package / Case: | Radial, Disc |
Size / Dimension: | 0.354" Dia x 0.138" W (9.00mm x 3.50mm) |
Height - Seated (Max): | 0.492" (12.50mm) |
Thickness (Max): | -- |
Lead Spacing: | 0.197" (5.00mm) |
Approvals: | UR |
Description
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PTC Resettable Fuses: B59975C0160A070 Application Field and Working Principle
PTC (positive temperature coefficient) resettable fuses, also known as self-resetting fuses or polyfuses, are electrical protection devices that employ a thermally activated component in series with an electrical current. This component will increase its resistance as current is drawn past a desired threshold, thus regulating the current and preventing further problems. The B59975C0160A070 is a common PTC resettable fuse used in a wide range of applications. In this article, we will discuss the applications and working principle of the B59975C0160A070.Applications
The B59975C0160A070 has a number of applications, being suitable for both commercial and residential use. The device is often used as a supplement or backup fuse in all sorts of electrical systems, including air conditioning, telecommunications, lighting, vending machines, and computer systems. Due to its small size and relatively low cost, the B59975C0160A070 is also commonly used in applications where space is at a premium, such as in laptop chargers and other portable electronics. The device is also suitable for use in automotive applications, such as in motor vehicle entertainment systems and other automotive accessories.Working Principle
The B59975C0160A070 is a PTC resettable fuse, which means that it has a thermally activated component in series with the electrical current. The resistance of this component will increase as the current is drawn past a predetermined threshold, thus regulating the current and preventing further problems. As the temperature of the fuse increases due to the increased current, the component will reach a so-called "set point temperature". At this temperature, the resistance of the component will be high enough that the current is essentially blocked, thus protecting the system from damage. When the current is reduced, the component will cool and its resistance will decrease. This will allow the current to pass through the device again until the predetermined threshold is reached, at which point the process will repeat: the resistance will again increase, the current will be regulated, and the temperature of the fuse will again increase. This process will continue until the current is completely reduced and the device cools down.Conclusion
The B59975C0160A070 is a PTC resettable fuse intended for use in a variety of applications, from commercial and residential systems to laptop chargers and automotive equipment. It works by employing a thermally activated component in series with the electrical current, which increases its resistance as the current is drawn past a preset threshold, thus regulating the current and protecting the system from damage. Once the current is reduced, the component will cool and its resistance will decrease, allowing the current to pass until the preset threshold is again reached.The specific data is subject to PDF, and the above content is for reference
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