ChipApex | Global Electronic Components Supplier
MF-RHT450-0
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：PTC RESET FUSE 16V 4.5A RADIAL
- Series：Multifuse®, MF-RHT
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：4.5 A
- Current - Trip (It)：7.8 A
- Current - Max：100 A
- Time to Trip：3 s
- Resistance - Initial (Ri) (Min)：22 mOhms
- Resistance - Post Trip (R1) (Max)：54 mOhms
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.409" L x 0.118" W (10.40mm x 3.00mm)
- Height - Seated (Max)：0.614" (15.60mm)
- Thickness (Max)：-
- Lead Spacing：0.114" (2.90mm)
Download product information
Overview
The Bourns MF-RHT450-0 is a high-temperature polymeric positive temperature coefficient (PPTC) resettable fuse designed for radial leaded through-hole mounting. It features a holding current of 4.5 A and a maximum voltage rating of 16 VDC. The device exhibits a minimum trip current of 7.8 A and a typical resistance of 240 mΩ. It operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification, ensuring reliability in demanding automotive environments.
Feature Summary
- High-temperature PTC construction suitable for elevated thermal conditions
- AEC-Q200 qualified for automotive grade reliability standards
- Radial leaded package facilitates standard PCB mounting processes
Applications
- Automotive electronic circuit protection
- Power supply input/output overcurrent safeguarding
- Battery management system component isolation
Procurement Notes
Verify the specific suffix and packaging configuration against the official Bourns datasheet to ensure compatibility with automated assembly equipment. Confirm that the AEC-Q200 certification status meets the target application's quality requirements. Check regional availability as distribution channels may vary by location.
Selection Notes
Select this component when a 4.5 A holding current and 16 VDC rating align with the circuit design parameters. Ensure the operating environment remains within the specified -40°C to +125°C range. Consider the radial lead form factor for mechanical stability and ease of installation on printed circuit boards requiring through-hole technology.
Part Context
This part belongs to the MF-RHT series of high-temperature resettable fuses from Bourns. The series is engineered for robust performance in automotive and industrial applications where standard components might fail due to thermal stress. The MF-RHT450-0 represents a specific current rating variant within this family, offering precise protection characteristics for defined load currents.
Replacement Considerations
Consult the official Bourns replacement guide for direct equivalents. Verify that any substitute maintains the same 4.5 A holding current, 16 VDC rating, and AEC-Q200 qualification to ensure functional parity.
