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MINIASMDC014F-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 60V 140MA 1812
- Series：PolySwitch®, miniASMD
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：60V
- Current - Hold (Ih) (Max)：140 mA
- Current - Trip (It)：280 mA
- Current - Max：10:00 AM
- Time to Trip：8 ms
- Resistance - Initial (Ri) (Min)：1.5 Ohms
- Resistance - Post Trip (R1) (Max)：6 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 MINIASMDC014F-2 is a PolySwitch miniASMD series polymer PTC resettable fuse designed for surface mount applications. It features a 60 VDC maximum voltage rating and a 140 mA hold current, with a trip current of 280 mA. The device offers a maximum interrupting rating of 10 A and an initial resistance of 6 Ohms. Housed in a compact 1812 (4532 metric) package measuring 4.73 mm by 3.41 mm with a height of 0.89 mm, it operates within a temperature range of -40°C to +85°C. This component holds AEC-Q200 qualification for automotive reliability.
Feature Summary
- Self-resetting overcurrent protection utilizing polymer PTC technology
- Automotive-grade reliability certified under AEC-Q200 standards
- Compact surface-mount footprint suitable for dense PCB layouts
Applications
- Automotive electronic circuit protection
- Portable battery-powered devices
- Consumer electronics power lines
Procurement Notes
Verify the specific suffix and marking code against the official Littelfuse datasheet to ensure correct electrical ratings. Confirm that the required AEC-Q200 certification aligns with target automotive or industrial specifications. Check moisture sensitivity level handling requirements during storage and assembly processes.
Selection Notes
Select this component when a 60V system requires low-current protection with a 140mA hold threshold. Ensure the available board space accommodates the 1812 package dimensions. Consider the 6 Ohm initial resistance impact on circuit performance before finalizing the design choice.
Part Context
This part belongs to the miniASMD family of resettable fuses from Littelfuse. These components provide reusable overcurrent protection as an alternative to traditional single-use fuses. The series is engineered for high-reliability environments requiring compact form factors and robust thermal stability.
Replacement Considerations
Cross-reference with other miniASMD variants having identical 1812 footprints and matching 60V/140mA ratings. Verify that any substitute maintains the same AEC-Q200 qualification status and physical dimensions for direct replacement.
