Allicdata Part #: | F2774TR-ND |
Manufacturer Part#: |
0805L100WR |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | PTC RESET FUSE 6V 1A 0805 |
More Detail: | Polymeric PTC Resettable Fuse 6V 1A Ih Surface Mou... |
DataSheet: | 0805L100WR Datasheet/PDF |
Quantity: | 6000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Resistance - Initial (Ri) (Min): | 60 mOhms |
Approvals: | cURus, TUV |
Lead Spacing: | -- |
Thickness (Max): | 0.071" (1.80mm) |
Height - Seated (Max): | -- |
Size / Dimension: | 0.083" L x 0.053" W (2.10mm x 1.35mm) |
Package / Case: | 0805 (2012 Metric), Concave |
Mounting Type: | Surface Mount |
Ratings: | -- |
Operating Temperature: | -40°C ~ 85°C |
Resistance - Post Trip (R1) (Max): | 210 mOhms |
Series: | POLY-FUSE®, 0805L |
Time to Trip: | 300ms |
Current - Trip (It): | 1.95A |
Current - Hold (Ih) (Max): | 1A |
Current - Max: | 40A |
Voltage - Max: | 6V |
Type: | Polymeric |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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.PTC Resettable Fuses: 0805L100WR application field and working principle
PTC (Positive Temperature Coefficient) resettable fuses are temperature-sensitive, self-resetting devices. They protect against two types of overcurrent conditions: sustained overcurrent and overcurrent surges. The 0805L100WR is a PTC resettable fuse that is suitable for use in low electronics applications. This article will discuss the application field of the 0805L100WR, its working principle, and the purpose of PTC resettable fuses in general.
Application Field of the 0805L100WR:
The 0805L100WR is a PTC resettable fuse suitable for use in low electronics applications such as power supplies, digital switches, and circuit protection. It is typically available in a 0805 package size, making it ideal for board level protection in small circuits. The fuse is also compatible with surface mount technology, making it suitable for surface mount circuit board layouts. The 0805L100WR can be used with DC circuits only and is rated for a voltage of up to 32V.
Working Principle of the 0805L100WR:
The 0805L100WR uses a positive temperature coefficient (PTC) element to detect increased current or overcurrent conditions. A PTC element is a temperature-sensitive material that increases in resistance as the ambient temperature increases. As the temperature rises beyond the normal operating temperature, the PTC element will reach a “trip point” at which point it will suddenly reduce the current flow in the device. This sudden reduction in current flow will trip the protection system and shut off the overcurrent condition. The 0805L100WR can then be reset by manually switching off the power to the device.
Purpose of PTC Resettable Fuses:
The purpose of PTC resettable fuses is to protect sensitive electronics from damage caused by transient overcurrent and overvoltage conditions. These devices are able to detect and trip the protection circuit in response to an overcurrent surge or sustained overcurrent, thus providing fast reaction time and reliable protection. PTC resettable fuses also help to reduce the need for circuit breakers or fuses, since they are self-resetting. This makes them more reliable, efficient, and cost effective.
Conclusion:
The 0805L100WR is a PTC resettable fuse suitable for use in low electronics devices. It is typically available in a 0805 package size and compatible with surface mount technology, making it ideal for board level protection in small circuits. The 0805L100WR uses a PTC element to detect increased current or overcurrent conditions, and will reduce the current flow when the PTC element reaches its trip point, thus providing fast and reliable protection against transient overcurrent and overvoltage conditions. PTC resettable fuses are becoming increasingly popular due to their fast reaction time, reliability, and cost effectiveness.
The specific data is subject to PDF, and the above content is for reference
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