Bourns® Multifuse® Resettable Fuses - Polymer PTC & Ceramic PTC Short Form Brochure
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Bourns® Multifuse® Resettable Fuses - Polymer PTC & Ceramic PTC Short Form Brochure
Product catalog summary
Introduction
Bourns® Multifuse® products are resettable fuses that utilize Polymer Positive Temperature Coefficient (PPTC) technology to protect circuits by increasing resistance under fault conditions, maintaining a 'tripped' state until the fault is resolved.
Bourns® Multifuse® products are resettable fuses that utilize Polymer Positive Temperature Coefficient (PPTC) technology to protect circuits by increasing resistance under fault conditions, maintaining a 'tripped' state until the fault is resolved.
New Additions
The document introduces several new series, including MF-PSMF, MF-RHT, MF-SM013/250V, MF-NSMF, MF-RG, MF-RX/72, and CMF Series, each designed for specific applications and environments.
The document introduces several new series, including MF-PSMF, MF-RHT, MF-SM013/250V, MF-NSMF, MF-RG, MF-RX/72, and CMF Series, each designed for specific applications and environments.
Features and Benefits
Key features include resettable overcurrent protection, heat element, agency approvals (UL, CSA, TÜV), standard footprints, low resistance, RoHS compliance, and custom design options.
Key features include resettable overcurrent protection, heat element, agency approvals (UL, CSA, TÜV), standard footprints, low resistance, RoHS compliance, and custom design options.
Applications
These products are suitable for use in computers, batteries, automotive, telecommunications, industrial, and consumer electronics.
These products are suitable for use in computers, batteries, automotive, telecommunications, industrial, and consumer electronics.
Working Principle
Resettable fuses are made from a conductive plastic that increases resistance exponentially under fault conditions, protecting the circuit by tripping the fuse.
Resettable fuses are made from a conductive plastic that increases resistance exponentially under fault conditions, protecting the circuit by tripping the fuse.
Product Specifications
The document provides detailed specifications for various series, including voltage and current ratings, dimensions, and resistance values.
The document provides detailed specifications for various series, including voltage and current ratings, dimensions, and resistance values.
Packaging and Sizes
Products are available in bulk and tape and reel packaging, with industry-standard sizes for various applications.
Products are available in bulk and tape and reel packaging, with industry-standard sizes for various applications.
Specifications Overview
Detailed specifications for series like MF-SMht, MF-PSMF, MF-SMdF, MF-VS, MF-lR, MF-lS, MF-S, and MF-d are provided, focusing on their electrical characteristics and applications.
Detailed specifications for series like MF-SMht, MF-PSMF, MF-SMdF, MF-VS, MF-lR, MF-lS, MF-S, and MF-d are provided, focusing on their electrical characteristics and applications.
Features
Products offer custom designs, overcurrent and overtemperature protection, and are designed to withstand lightning surge and AC power cross.
Products offer custom designs, overcurrent and overtemperature protection, and are designed to withstand lightning surge and AC power cross.
Applications
Applications include rechargeable battery packs, lithium and battery cells, powered toys, motors, and telecom products.
Applications include rechargeable battery packs, lithium and battery cells, powered toys, motors, and telecom products.
Key Data from Tables
Models are specified with hold current, maximum voltage, maximum current, initial resistance, post-trip resistance, and dimensions, categorized by package type and application suitability.
Models are specified with hold current, maximum voltage, maximum current, initial resistance, post-trip resistance, and dimensions, categorized by package type and application suitability.
Product Specifications
Specifications for Bourns® Multifuse® products include rated voltage, resistance values, hold and trip currents, and dimensions, with resistance tolerance varying by model.
Specifications for Bourns® Multifuse® products include rated voltage, resistance values, hold and trip currents, and dimensions, with resistance tolerance varying by model.
Product Designation and Configuration
Product designator codes and construction options are outlined for different configurations.
Product designator codes and construction options are outlined for different configurations.
Agency Approvals
Bourns® PPTCs are certified under UL, CSA, IEC, and TÜV registration programs.
Bourns® PPTCs are certified under UL, CSA, IEC, and TÜV registration programs.
Key Definitions
Definitions for hold current, maximum voltage, maximum fault current, and trip current are provided.
Definitions for hold current, maximum voltage, maximum fault current, and trip current are provided.
Product Selection and Ordering
A worksheet for product selection and ordering information is included.
A worksheet for product selection and ordering information is included.
Technical Assistance and Sales Offices
Contact information for technical assistance and sales offices worldwide is provided.
Contact information for technical assistance and sales offices worldwide is provided.
Disclaimer
Specifications are subject to change, and customers are advised to verify device performance in their applications.
Specifications are subject to change, and customers are advised to verify device performance in their applications.
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.