Allicdata Part #: | 1812L160ZRT-ND |
Manufacturer Part#: |
1812L160ZRT |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | PTC RESET FUSE 8V 1.6A 1812 |
More Detail: | Polymeric PTC Resettable Fuse 8V 1.6A Ih Surface M... |
DataSheet: | 1812L160ZRT Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | 0.00000 |
Resistance - Initial (Ri) (Min): | 30 mOhms |
Approvals: | cURus, TUV |
Lead Spacing: | -- |
Thickness (Max): | 0.030" (0.75mm) |
Height - Seated (Max): | -- |
Size / Dimension: | 0.179" L x 0.128" W (4.55mm x 3.24mm) |
Package / Case: | 1812 (4532 Metric), Concave |
Mounting Type: | Surface Mount |
Ratings: | -- |
Operating Temperature: | -40°C ~ 85°C |
Resistance - Post Trip (R1) (Max): | 100 mOhms |
Series: | POLY-FUSE®, 1812L |
Time to Trip: | 1s |
Current - Trip (It): | 2.8A |
Current - Hold (Ih) (Max): | 1.6A |
Current - Max: | 100A |
Voltage - Max: | 8V |
Type: | Polymeric |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Obsolete |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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PTC resettable fuses, also known as polymeric positive temperature coefficient (PPTC) devices, are switching devices with a resetting feature. The 1812L160ZRT is a PTC resettable fuse and can be used in a wide range of applications. This article explains the application fields and working principle of the 1812L160ZRT.
Applications
The 1812L160ZRT PTC resettable fuse is suitable for over-current protection in low- to medium-voltage applications. It is particularly used for in-circuit protection, and can protect electronic components and parts from being exposed to excessive overload or short-circuits. It can also be used for protection in situations where the voltage is not high enough to use a regular fuse.
The 1812L160ZRT is a compact component, making it well-suited for space-constrained applications. It also has low leakage current and a low thermal resistance, both of which make it suitable for applications where high power is required. Additionally, the PTC resettable fuse is suited for applications where there is a need for a very fast response time.
Working Principle
The function of a resettable fuse is to protect against over-current conditions by switching off the load. When the current is too high, the PTC resettable fuse will detect this and switch off the load, which prevents further damage. The device can then be manually reset when the current has dropped below the design safety threshold.
The 1812L160ZRT PTC resettable fuse is based on a bimetallic structure, which enables it to detect excessive current. When the current exceeds the device\'s rated current, the bimetallic structure will start to bend and bend, rapidly increasing the resistance. This causes the fuse to trip and disconnect the power from the load. In order for the device to reset itself, the current must drop to below its rated current before the bimetallic structure-can regain its normal shape.
The 1812L160ZRT also features blow-out technology, which helps to reduce the external force on the device when it trips. This, in turn, makes the device more robust and helps to extend its lifetime. Additionally, the device has a low power consumption, making it suitable for applications where energy usage needs to be minimized.
The 1812L160ZRT PTC resettable fuse is an ideal solution for a wide range of low- to medium-voltage applications. Its compact size, fast response time, low power consumption, and blow-out technology make it well-suited for a variety of applications.
The specific data is subject to PDF, and the above content is for reference
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