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SMD1812P020TSA is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 30V 200MA 1812. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for SMD1812P020TSA
- Description：PTC RESET FUSE 30V 200MA 1812
- Series：POLY-FUSE®, SMD1812
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Type：Polymeric
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：200 mA
- Current - Trip (It)：400 mA
- Current - Max：10:00 AM
- Time to Trip：20 ms
- Resistance - Initial (Ri) (Min)：800 mOhms
- Resistance - Post Trip (R1) (Max)：5 Ohms
- Operating Temperature：-40°C ~ 85°C
- 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)：0.031" (0.78mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for SMD1812P020TSA
Ptc Resettable Fuses Overview
The SMD1812P020TSA is a POLY-FUSE surface-mount resettable fuse manufactured by Littelfuse Inc. It features a 1812 (4532 metric) package with a hold current of 200 mA and a trip current of 400 mA. The device supports a maximum voltage of 30 V and has a maximum rated current of 10 A. Its resistance is specified at 60 mOhms. Operating temperatures range from -40 C to +85 C. This component provides overcurrent protection for low-voltage circuits.
Ptc Resettable Fuses Feature Summary
- Polymeric PTC construction enables automatic recovery after fault clearance
- Surface mount design facilitates direct PCB integration
- Concave body profile optimizes solder joint reliability
Ptc Resettable Fuses Applications
- Low-voltage circuit overcurrent protection
- Portable electronic devices
- Battery-powered equipment
Ptc Resettable Fuses Procurement Notes
Verify the obsolete status of this specific part number before procurement planning. Confirm that alternative components within the same series meet the required electrical specifications. Ensure compatibility with existing PCB footprints and thermal management requirements during replacement selection.
Ptc Resettable Fuses Selection Notes
Select based on the 200 mA hold current and 30 V maximum voltage ratings. Consider the 1812 package dimensions for spatial constraints. Evaluate the 60 mOhms resistance for power loss calculations. Verify temperature range suitability for the intended operating environment.
Ptc Resettable Fuses Part Context
This component belongs to the POLY-FUSE SMD1812 series, which offers various hold currents ranging from 0.1 A to 2.6 A. These fuses are designed for surface mount applications, providing reliable overcurrent protection for sensitive integrated circuits and printed circuit boards in consumer electronics.
Ptc Resettable Fuses Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult Littelfuse official resources for equivalent recommendations.
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