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FRX005-60F

60V PPTC resettable fuse, 50mA hold, radial disc

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Manufacturer Part：

FRX005-60F

Package：

Radial, Disc (7.4mm Dia x 12.7mm H, 5.1mm lead spacing)

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Description

Product Overview

The FRX005-60F from RFE/Fuzetec is a 60V PPTC resettable fuse with 50mA hold current, 100mA trip current, and 5s time-to-trip in radial through-hole package.

Key Specifications

Voltage Rating 60 V max
Hold Current (Ih) 50 mA
Trip Current (It) 100 mA
Max Fault Current 40 A
Time to Trip 5 s at 5x Ih
Initial Resistance (Ri) 7.3 Ohms min
Post-Trip Resistance (R1) 20 Ohms max
Package Radial, Disc (7.4mm Dia)
Lead Spacing 5.1 mm
Agency Approval cUL, TUV, UL
Operating Temperature -40 to +85 C

Features

  • Resettable PPTC overcurrent protection
  • 50mA hold / 100mA trip for low-current circuits
  • 60V rating for telecom and industrial supply
  • UL, cUL, TUV safety agency approvals
  • Automatically resets after fault removal

Applications

  • Telecom line overcurrent protection
  • Low-current sensor circuit protection
  • Industrial control loop protection
  • Power supply output current limiting
  • Battery charger overcurrent protection

The FRX005-60F from RFE/Fuzetec is a radial-leaded PPTC (polymeric positive temperature coefficient) resettable fuse from the FRX60 series. The device features 50mA hold current and 100mA trip current at 60V maximum voltage, making it suitable for low-current overcurrent protection in telecom and industrial applications. When an overcurrent event occurs, the PPTC element heats and transitions from a low-resistance to a high-resistance state, limiting the fault current. The device automatically resets to its low-resistance state after the fault is removed and the device cools. The FRX005-60F is UL, cUL, and TUV approved.

The FRX005-60F operates as a PPTC resettable fuse. (1) Under normal operation, the polymeric PPTC element is in a low-resistance state (7.3 Ohms minimum). Current flows through the device with minimal voltage drop. The device remains in this state as long as the current stays below the 50mA hold current. (2) When an overcurrent event exceeds the 100mA trip current, the I2R heating of the PPTC element causes the polymer matrix to expand, breaking the conductive carbon black chains. This transitions the device to a high-resistance state (up to 20 Ohms), which limits the fault current to a safe level. The trip time is approximately 5 seconds at 5x the hold current. (3) After the fault is removed and power is disconnected, the PPTC element cools and the polymer matrix contracts, re-establishing the conductive pathways. The device returns to its low-resistance state automatically, ready for the next overcurrent event. This resettable operation eliminates the need to replace fuses after fault conditions.

Pin Name Function
1 Lead 1 Series element connection (24 AWG tin-plated copper)
2 Lead 2 Series element connection (24 AWG tin-plated copper)
  • Telecom line overcurrent protection with 60V rating
  • Low-current sensor circuit protection with 50mA hold
  • Industrial control loop protection with auto-reset
  • Power supply output current limiting for auxiliary rails
  • Battery charger overcurrent protection with UL/TUV approval
Model Manufacturer Key Difference
FRX010-60F RFE/Fuzetec 100mA hold, same series
FRX005-90F RFE/Fuzetec 90V version, same hold current
0ZCF0050FF2C Bel Fuse 50mA hold, 60V, similar
MFRFSF050-60-3 Bourns 50mA hold, 60V, radial
miniSMD050-60 Littelfuse 50mA hold, 60V, SMD
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Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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