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MF-RHT100-2-17
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Product Detailed Parameters
- Description：PTC 1.0A 16V RADIAL LEADED HI-TE
- Series：Multifuse®, MF-RHT
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Type：Polymeric
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：1:00 AM
- Current - Trip (It)：1.8 A
- Current - Max：40 A
- Time to Trip：5 s
- Resistance - Initial (Ri) (Min)：180 mOhms
- Resistance - Post Trip (R1) (Max)：430 mOhms
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.382" Dia x 0.118" T (9.70mm x 3.00mm)
- Height - Seated (Max)：0.535" (13.60mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RHT100-2-17 is a radial leaded Polymeric Positive Temperature Coefficient (PPTC) resettable fuse from the MF-RHT series, designed for high-temperature applications. It features a hold current of 1.0 A and a trip current of 2.0 A at standard ambient conditions. The device supports a maximum voltage of 30 V DC and can withstand fault currents up to 40 A. Its initial resistance is typically 800 mOhms. The component operates within a temperature range of -40°C to +125°C and utilizes a 5.1 mm lead spacing for PCB mounting.
Feature Summary
- Provides automatic circuit protection through self-resetting functionality upon cooling after a fault condition.
- Engineered with high-temperature resistant materials suitable for demanding thermal environments.
- Offers compact radial leaded packaging for straightforward printed circuit board integration.
Applications
- Overcurrent protection in industrial control systems
- Surge protection for automotive electronic modules
- Circuit safeguarding in telecommunications equipment
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct voltage and current ratings. Confirm RoHS compliance status and lead-free specifications prior to procurement. Check for any recent product lifecycle notifications or obsolescence warnings directly from Bourns Inc. documentation.
Selection Notes
Select this component when a resettable overcurrent solution is required for circuits operating at 30 V or lower. Ensure the application environment does not exceed the +125°C maximum operating temperature. Verify that the expected hold current remains below 1.0 A under all anticipated ambient conditions to prevent nuisance tripping.
Part Context
This part belongs to the MF-RHT series of high-temperature PPTC devices by Bourns Inc. These components are distinct from standard resettable fuses due to their enhanced thermal stability and robust construction for harsh environments.
Replacement Considerations
Consult the official Bourns replacement guide for direct cross-reference part numbers. Generic substitutes may not match the specific high-temperature performance characteristics of the MF-RHT series.
