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MF-RX135-0-99
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Product Detailed Parameters
- Description：PTC RESET FUSE 60V 1.35A RADIAL
- Series：Multifuse®, MF-RX
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：60V
- Current - Hold (Ih) (Max)：1.35 A
- Current - Trip (It)：2.7 A
- Current - Max：40 A
- Time to Trip：9.6 s
- Resistance - Initial (Ri) (Min)：120 mOhms
- Resistance - Post Trip (R1) (Max)：300 mOhms
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.483" L x 0.122" W (12.26mm x 3.10mm)
- Height - Seated (Max)：0.718" (18.26mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RX135-0-99 is a resettable fuse from the Multifuse RX Series, designed for overcurrent protection in electronic circuits. It utilizes Positive Temperature Coefficient (PTC) polymer technology to provide automatic circuit recovery after fault conditions are cleared. This component serves as a reliable alternative to traditional fuses, offering repeated tripping capabilities without replacement. The device is engineered to handle specific current thresholds and voltage ratings suitable for various commercial and industrial applications requiring robust circuit safeguarding.
Feature Summary
- Provides automatic circuit recovery after overcurrent events without manual replacement
- Utilizes PTC polymer technology for consistent thermal response
- Offers dual certification compliance for international safety standards
Applications
- Portable computing devices
- Peripheral equipment interfaces
- Battery pack protection
Procurement Notes
Verify the specific suffix code against official Bourns documentation to confirm exact electrical characteristics and packaging details. Ensure the selected variant matches the required hold current and trip current specifications for the target application. Confirm RoHS compliance status if environmental regulations apply to the manufacturing process.
Selection Notes
Select this component based on the required operating voltage and maximum fault current capacity of the protected circuit. Consider the ambient temperature range and the time-current characteristics necessary for proper coordination with upstream protective devices. Evaluate space constraints on the printed circuit board to ensure the package size fits the design layout.
Part Context
This part belongs to the Multifuse RX Series, which focuses on compact resettable fuses for consumer electronics and portable devices. The series is known for its small footprint and ability to replace traditional fusible links in low-voltage applications. It complements Bourns' broader portfolio of circuit protection components including standard Multifuse products and automotive-grade variants.
Replacement Considerations
Consult official substitution guides for direct equivalents within the RX Series or compatible Multifuse lines. Verify that any substitute maintains identical voltage ratings, hold current, and physical dimensions to ensure compatibility with existing PCB layouts and safety certifications.
