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Product Detailed Parameters
- Description:PTC RESET FUSE 13.2V 500MA 1210
- Series:PolySwitch®, microSMD
- Mfr:Littelfuse Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Type:Polymeric
- Voltage - Max:13.2V
- Current - Hold (Ih) (Max):500 mA
- Current - Trip (It):1:00 AM
- Current - Max:40 A
- Time to Trip:50 ms
- Resistance - Initial (Ri) (Min):250 mOhms
- Resistance - Post Trip (R1) (Max):900 mOhms
- Resistance - 25°C (Typ):-
- Operating Temperature:-40°C ~ 85°C
- Grade:-
- Qualification:-
- Ratings:-
- Mounting Type:Surface Mount
- Package / Case:1210 (3225 Metric), Concave
- Size / Dimension:0.127" L x 0.102" W (3.22mm x 2.58mm)
- Height - Seated (Max):-
- Thickness (Max):0.024" (0.62mm)
- Lead Spacing:-
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Overview
The MICROSMD050F-2 is a surface-mount PolySwitch resettable PTC device from Littelfuse. It features a hold current of 500 mA and a trip current of 1 A, with a maximum voltage rating of 13.2 VDC. The component has a maximum resistance of 900 mOhms and an initial resistance minimum of 190 mOhms. It operates within a temperature range of -40°C to 85°C. Packaged in a 1210 (3225 metric) footprint, it offers a compact solution for circuit protection.
Feature Summary
- Provides automatic resettable overcurrent protection using polymer PTC technology
- Designed for surface mount assembly to save board space
- Supports high-volume electronics manufacturing processes
Applications
- Industrial equipment circuit protection
- Computer and peripheral device safeguarding
- Consumer electronics power line protection
- Communication and network infrastructure circuits
Procurement Notes
Verify the specific package variant and lead times directly with authorized distributors or the manufacturer. Confirm that the 1210 footprint matches your PCB design requirements. Ensure compliance with RoHS standards if required by your project specifications. Check moisture sensitivity levels before storage and handling.
Selection Notes
Select this component when a low-profile surface mount fuse is required for 13.2V DC systems. The 500 mA hold current suits moderate load applications. Consider the 1210 size constraints and thermal dissipation needs. Verify compatibility with automated pick-and-place assembly lines for efficient production integration.
Part Context
This part belongs to the PolySwitch microSMD series, designed for compact circuit protection. It utilizes polymer positive temperature coefficient technology to interrupt excessive current flow. The series is engineered for reliability in consumer and industrial applications requiring small form factors.
FAQ
What is the maximum operating voltage for the MICROSMD050F-2?
The maximum working voltage is rated at 13.2 VDC.
Does the MICROSMD050F-2 require replacement after tripping?
No, it is a resettable device that automatically returns to a low-resistance state once the fault condition is removed and the component cools down.
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