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MF-RX160-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 60V 1.6A RADIAL
- Series：Multifuse®, MF-RX
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Type：Polymeric
- Voltage - Max：60V
- Current - Hold (Ih) (Max)：1.6 A
- Current - Trip (It)：3.2 A
- Current - Max：40 A
- Time to Trip：11.4 s
- Resistance - Initial (Ri) (Min)：90 mOhms
- Resistance - Post Trip (R1) (Max)：220 mOhms
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.642" L x 0.122" W (16.30mm x 3.10mm)
- Height - Seated (Max)：0.839" (21.30mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RX160-2 is a polymeric positive temperature coefficient (PPTC) resettable fuse designed for surface mount applications. It features a 1.6 A hold current and a maximum voltage rating of 60 V. The component utilizes an SMD/SMT termination type and is housed in a standard 1812 package, corresponding to the 4532 metric size. It operates within a temperature range of -40 °C to +85 °C. The device is RoHS compliant and manufactured under the Multifuse brand.
Feature Summary
- Polymeric PTC technology provides automatic circuit protection that resets after fault clearance
- Flame retardant epoxy polymer insulating material meets UL 94V-0 requirements
- Surface mount construction facilitates automated PCB assembly processes
Applications
- Overcurrent protection in portable electronic devices
- Protection circuits for telecommunications equipment
- Surge protection in automotive electronics
Procurement Notes
Verify the specific suffix against official Bourns documentation to confirm exact packaging configuration and agency approvals. Ensure the selected variant matches the required hold current and voltage ratings for the target application. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and compliance status prior to ordering.
Selection Notes
Select this component based on the 1.6 A hold current and 60 V maximum voltage specifications. Consider the 1812 package dimensions for PCB layout constraints. Evaluate the operating temperature range of -40 °C to +85 °C against environmental conditions. Confirm RoHS compliance requirements are met by the specific manufacturing batch.
Part Context
This component belongs to the Bourns Multifuse family of resettable fuses. These devices offer reusable overcurrent protection as an alternative to traditional one-time fuses. The MF-RX series specifically addresses high-reliability applications requiring compact form factors and robust thermal performance in space-constrained designs.
Replacement Considerations
Consult official Bourns substitution guides for verified equivalents. Generic replacements may not match the specific trip characteristics or package tolerances.
