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MF-MSHT175KX-2 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Bourns Inc.. Its product description is 1812 HIGH TEMP SMD POLYMER PTC 1. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for MF-MSHT175KX-2
- Description：1812 HIGH TEMP SMD POLYMER PTC 1
- Series：Multifuse® MF-MSHT
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：9V
- Current - Hold (Ih) (Max)：1.75 A
- Current - Trip (It)：7:00 AM
- Current - Max：40 A
- Time to Trip：5 s
- Resistance - Initial (Ri) (Min)：18 mOhms
- Resistance - Post Trip (R1) (Max)：170 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：1812 (4532 Metric), Concave
- Size / Dimension：0.181" L x 0.128" W (4.60mm x 3.24mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.063" (1.60mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for MF-MSHT175KX-2
Ptc Resettable Fuses Overview
The Bourns MF-MSHT175KX-2 is a surface-mount polymeric positive temperature coefficient (PPTC) resettable fuse from the MSHT series, designed for high-temperature circuit protection. It features a hold current of 175 mA and a trip current of 3.75 A, with a maximum voltage rating of 30 VDC. The device offers a maximum fault current capacity of 40 A and an initial resistance of 850 mOhms. It operates within a temperature range of -40°C to +125°C and is available in cut tape or reel packaging for automated SMD assembly.
Ptc Resettable Fuses Feature Summary
- High-temperature PPTC construction suitable for demanding thermal environments
- Surface-mount design optimized for automated PCB assembly processes
- Resettable overcurrent protection mechanism eliminates need for manual replacement
Ptc Resettable Fuses Applications
- Portable electronic devices requiring compact circuit protection
- Automotive electronics systems
- Industrial instrumentation equipment
Ptc Resettable Fuses Procurement Notes
Verify the specific suffix 'X-2' against the official Bourns datasheet to confirm package type and tape/reel specifications. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity before placing orders.
Ptc Resettable Fuses Selection Notes
Select this component when applications require resettable protection at low current levels with high-temperature resilience. The 175 mA hold current suits sensitive low-power circuits. Verify that the 30 VDC rating aligns with the system voltage. Consider the 850 mOhms resistance impact on power loss during normal operation.
Ptc Resettable Fuses Part Context
This part belongs to the Bourns MF-MSHT series of high-temperature PPTC resettable fuses. The series expands Bourns' portfolio of circuit protection solutions, offering robust performance in automotive and industrial sectors where standard components may fail due to elevated ambient temperatures.
Ptc Resettable Fuses Replacement Considerations
Consult the official Bourns selection guide for direct cross-references. Potential substitutes include other MSHT series variants with adjusted current ratings or alternative manufacturers' high-temp PPTC fuses with matching 30V and 175mA specs.
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