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Product Detailed Parameters
- Description:PTC RESET FUSE 60V 100MA 1812
- Series:PolySwitch®, miniASMD
- Mfr:Littelfuse Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Type:Polymeric
- Voltage - Max:60V
- Current - Hold (Ih) (Max):100 mA
- Current - Trip (It):300 mA
- Current - Max:40 A
- Time to Trip:5 s
- Resistance - Initial (Ri) (Min):700 mOhms
- Resistance - Post Trip (R1) (Max):12.7 Ohms
- Resistance - 25°C (Typ):-
- Operating Temperature:-40°C ~ 85°C
- Grade:Automotive
- Qualification:AEC-Q200
- Ratings:-
- Mounting Type:Surface Mount
- Package / Case:1812 (4532 Metric), Concave
- Size / Dimension:0.179" L x 0.128" W (4.55mm x 3.24mm)
- Height - Seated (Max):-
- Thickness (Max):0.035" (0.89mm)
- Lead Spacing:-
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Overview
The Littelfuse MINIASMDC010F-2 is a PolySwitch resettable PPTC device in the miniASMD series, designed for surface mount applications. It features a 1812 (4532 metric) package with dimensions of 4.73 mm length, 3.41 mm width, and 0.89 mm height. The component operates within a temperature range of -40°C to +85°C and holds AEC-Q200 qualification. Key electrical parameters include a maximum voltage of 60 VDC, a hold current of 100 mA, and a trip current of 300 mA. It exhibits an initial resistance of 12.7 Ohms and supports a maximum fault current of 40 A.
Feature Summary
- Provides overcurrent protection through automatic reset functionality upon cooling after a fault event.
- Constructed from polymer positive temperature coefficient material for reliable circuit interruption.
- Engineered for surface mount technology integration on printed circuit boards.
Applications
- Automotive electronic circuits requiring AEC-Q200 compliance
- Portable battery-powered devices
- Consumer electronics protection
Procurement Notes
Verify that the specific part number matches the required electrical ratings and package dimensions for your design. Confirm AEC-Q200 certification status if automotive application is intended. Check datasheet for moisture sensitivity level handling requirements during assembly. Ensure compatibility with standard reflow soldering profiles for SMD components.
Selection Notes
Select this component when a compact 1812 footprint is required for 60V systems. The 100 mA hold current suits low-power signal lines or peripheral protection. Consider the 12.7 Ohm resistance impact on circuit performance. Evaluate thermal dissipation capabilities within the specified operating temperature range.
Part Context
This device belongs to the miniASMD family of resettable fuses from Littelfuse. It offers a balance between size and current handling compared to larger SMD fuses. The series is marketed under the PolySwitch brand name for polymer-based overcurrent protection solutions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and dimensional compatibility before considering alternative manufacturers.
FAQ
What is the maximum voltage rating for the MINIASMDC010F-2?
The maximum voltage rating is 60 VDC.
Is this component qualified for automotive applications?
Yes, it is AEC-Q200 qualified.
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