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2029L125

Littelfuse
Part Number 2029L125
Manufacturer Littelfuse
Description SURFACEMOUNTPTC
Published Mar 23, 2005
Detailed Description RESETTABLE PTCs SURFACE MOUNT PTC 2029L/3425L Series ® ® TUV PRODUCT SERVICE • The 2029L/3425L Series Resettable de...
Datasheet PDF File 2029L125 PDF File

2029L125
2029L125

Overview
RESETTABLE PTCs SURFACE MOUNT PTC 2029L/3425L Series ® ® TUV PRODUCT SERVICE • The 2029L/3425L Series Resettable devices utilize a unique polymer-based, Positive Temperature Coefficient (PTC) material to protect electrical circuits against overcurrent conditions.
• In normal operation, the 2029L/3425L Series PTC has many conductive paths and a very low resistance.
In an overcurrent condition, the temperature of the polymer material rises.
This dramatically reduces the conductive paths resulting in an immediate rise in resistance.
In this condition, the device provides circuit protection by significantly limiting the flow of current.
However, once the cause of the initial overcurrent condition is eliminated, the 2029L/3425L Series PTC cools down and resets to a low resistance value permitting the normal current flow to resume.
• The 2029L/3425L Series are surface mountable.
AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratory and the Component Accept...


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