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1812L150ZR is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 8V 1.25A 1812. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for 1812L150ZR
- Description：PTC RESET FUSE 8V 1.25A 1812
- Series：POLY-FUSE®, 1812L
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：8V
- Current - Hold (Ih) (Max)：1.25 A
- Current - Trip (It)：3:00 AM
- Current - Max：100 A
- Time to Trip：300 ms
- Resistance - Initial (Ri) (Min)：40 mOhms
- Resistance - Post Trip (R1) (Max)：110 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)：0.049" (1.25mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for 1812L150ZR
Ptc Resettable Fuses Overview
The Littelfuse 1812L150ZR is a surface-mount polymeric positive temperature coefficient (PPTC) resettable fuse from the 1812L series. It features a hold current of 1.5 A and a trip current of 3 A, designed for circuits with a maximum voltage of 8 VDC. The device exhibits a typical resistance of 110 mOhms and supports a maximum fault current of 100 A. It operates within a temperature range of -40°C to +85°C and is available in reel or cut tape packaging.
Ptc Resettable Fuses Feature Summary
- Provides automatic circuit protection by increasing resistance significantly upon overcurrent conditions
- Returns to low-resistance state automatically after power removal and cooling
- Designed for surface mount assembly on printed circuit boards
Ptc Resettable Fuses Applications
- Protection of portable electronic devices
- Overcurrent protection for peripheral interfaces
- Battery pack circuit safeguarding
Ptc Resettable Fuses Procurement Notes
Verify that the specific part number suffix matches the required voltage rating of 8 VDC. Confirm the package type aligns with manufacturing requirements, as this component is available in both reel and cut tape formats. Ensure compatibility with standard reflow soldering profiles for surface mount technology.
Ptc Resettable Fuses Selection Notes
Select this component when an 8 VDC system requires a resettable fuse with a 1.5 A hold current. Consider the 110 mOhms typical resistance for power loss calculations. Evaluate the 100 A maximum fault current capability against potential short-circuit scenarios to ensure adequate safety margins.
Ptc Resettable Fuses Part Context
This component belongs to the 1812L series of PPTC resettable fuses manufactured by Littelfuse. The series utilizes polymer technology to provide reliable overcurrent protection in compact surface mount packages. These devices are engineered for applications requiring repeated protection cycles without manual replacement.
Ptc Resettable Fuses Replacement Considerations
Substitutes must match the 1.5 A hold current, 3 A trip current, and 8 VDC voltage rating. Verify that alternative components support the same 1812 footprint and operate within the -40°C to +85°C temperature range.
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