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MF-SM013/250V-2

PTC resettable fuse, 130mA hold, 60V, 250V interrupt, AEC-Q200, 3425 SMD

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Manufacturer Part：

MF-SM013/250V-2

Package：

3425 (8.9 x 7.2 x 10.2mm) SMD

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Description

Product Overview

The MF-SM013/250V-2 from Bourns is a polymeric PTC resettable fuse from the Multifuse MF-SM/250V series. It features 130mA hold current, 3A maximum current, 60V working voltage (250V interrupting), 6.5-12Ohm initial resistance, and AEC-Q200 automotive qualification in a 3425 surface-mount package.

Key Specifications

Manufacturer Bourns
Type Polymeric PTC Resettable Fuse
Hold Current (Ih) 130mA
Maximum Current 3A
Voltage Rating 60V DC (250V interrupting)
Initial Resistance (Min/Max) 6.5Ohm / 12Ohm
Post-Trip Resistance (Max) 16Ohm
Typical Power Dissipation 3W
Package 3425 (8.9 x 7.2 x 10.2mm)
Operating Temperature -40C to +85C
Approval cURus, TUV, AEC-Q200

Features

  • Polymeric PTC resettable fuse technology
  • 130mA hold current with 60V working voltage
  • 250V interrupting voltage rating
  • AEC-Q200 qualified for automotive applications
  • Low initial resistance: 6.5-12Ohm
  • UL, cURus, and TUV approvals
  • RoHS compliant and lead-free
  • Surface-mount 3425 package

Applications

  • Overcurrent protection in automotive electronics
  • Telecommunications equipment
  • Consumer electronics power supply protection
  • USB and HDMI port protection
  • Industrial control systems

The Bourns MF-SM013/250V-2 is a polymeric PTC resettable fuse from the Multifuse MF-SM/250V series. It provides overcurrent protection by transitioning from a low-resistance state to a high-resistance state when the current exceeds the trip threshold. The device automatically resets when the fault condition is removed and the current drops below the holding current. With a 130mA hold current and 60V working voltage, it is suitable for low-power circuits requiring automatic recovery. The AEC-Q200 qualification makes it appropriate for automotive applications. The 250V interrupting rating ensures safe operation during high-voltage fault conditions.

The MF-SM013/250V-2 operates as a self-resetting overcurrent protector: 1) Normal State: Below the 130mA hold current, the polymeric material maintains a low-resistance crystalline state (6.5-12Ohm), allowing normal circuit operation. 2) Trip Mechanism: When current exceeds the trip threshold or ambient temperature rises, the polymer matrix transitions from crystalline to amorphous state, expanding significantly and breaking the conductive paths formed by carbon black particles. Resistance increases by orders of magnitude, limiting current flow. 3) Reset: When the fault is removed and current decreases below the holding current, the polymer cools and recrystallizes, restoring the low-resistance state automatically without manual intervention.

Pin Name Type Function
1 Terminal 1 Connection First terminal of PTC element
2 Terminal 2 Connection Second terminal of PTC element
  • Automotive ECU overcurrent protection with AEC-Q200 compliance
  • USB and HDMI port current limiting in consumer electronics
  • Telecom line card self-resetting fuse protection
Manufacturer Part Number Package Notes
Bourns MF-SM050/250V-2 3425 500mA hold, same series
Littelfuse nSMD050-2416MF2 2416 500mA PTC, smaller package
TE Connectivity MFR025 1812 250mA PTC resettable
Bourns MF-MSMF050-2 1812 500mA, smaller package
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Quality Assurance

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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