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MINISMDC075F-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 13.2V 750MA 1812
- Series：PolySwitch®, miniSMD
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：13.2V
- Current - Hold (Ih) (Max)：750 mA
- Current - Trip (It)：1.5 A
- Current - Max：100 A
- Time to Trip：200 ms
- Resistance - Initial (Ri) (Min)：110 mOhms
- Resistance - Post Trip (R1) (Max)：450 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- 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)：0.024" (0.62mm)
- Lead Spacing：-
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Overview
The MINISMDC075F-2 is a PolySwitch resettable fuse from the miniSMDC series, manufactured by Littelfuse Inc. It features a 1812 (4532 metric) surface-mount package with dimensions of 4.73 mm in length, 3.41 mm in width, and 0.62 mm in height. The device has a maximum voltage rating of 13.2 VDC and a hold current of 0.75 A. It trips at 1.5 A with a maximum trip time of 0.2 seconds. The component supports a maximum fault current of 100 A and operates within a temperature range of -40°C to +85°C.
Feature Summary
- Provides overcurrent protection through polymer PTC technology that resets automatically after fault clearance.
- Designed for surface-mount assembly using standard SMD/SMT solder pad termination methods.
- Offers high fault current capability up to 100 A for robust circuit safeguarding.
Applications
- Portable electronic devices requiring compact circuit protection
- Battery pack management systems
- Peripheral interface circuits
Procurement Notes
Verify the specific datasheet version and manufacturer documentation to confirm electrical parameters such as hold current, trip current, and voltage ratings. Ensure the selected component matches the required 1812 package dimensions and operating temperature range for the target application environment.
Selection Notes
Select this component when space-constrained designs require a resettable fuse with a 13.2 VDC rating. Consider the 0.75 A hold current and 1.5 A trip threshold against normal operating loads. Verify compatibility with surface-mount reflow processes and check moisture sensitivity levels for storage and handling requirements.
Part Context
This part belongs to the miniSMDC series of PolySwitch resettable fuses, which are designed for low-profile applications. It complements larger packages like the SMDC series by offering similar functionality in a significantly smaller 1812 footprint, suitable for dense PCB layouts.
Replacement Considerations
Cross-reference with other miniSMDC series variants or standard SMDC series parts if voltage or current ratings differ. Verify package compatibility and thermal characteristics before substituting with alternative manufacturers' components.
FAQ
What is the maximum fault current the MINISMDC075F-2 can withstand?
The component supports a maximum fault current of 100 A.
Does the MINISMDC075F-2 have UL certification?
Certification details vary; verify specific approvals in the official Littelfuse datasheet.
