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Bourns CMFRL55A0 Telecom Resettable Fuse

Bourns CMF-RL55A-10 is a resettable fuse specifically engineered for telecom applications, providing overcurrent protection in customer premise equipment (CPE) and central office (CO) access equipment. It features radial leads for easy integration, a narrow resistance tolerance for precise performance, and is RoHS compliant, meeting environmental standards. The fuse's resettable nature allows for automatic recovery after a fault, minimizing downtime and maintenance. It is suitable for ITU-T K.20/21/45 and Telcordia GR-1089-CORE standards, ensuring compatibility and reliability in telecom infrastructure.

Authorized Distributors
Source:Newark
Part No:CMF-RL55A-0
Stock:2081
Inv Date:05-28-2026
Price: Unit price: $0.751
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Source:DigiKey
Part No:CMF-RL55A-0
Stock:2522
Inv Date:05-28-2026
Price: Unit price: $0.85
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Part No:CMF-RL55A-0
Stock:14542
Inv Date:05-29-2026
Price: Unit price: $0.71
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Part No:CMF-RL55A-0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.85
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Part No:CMF-RL55A-0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.44
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Part No:CMF-RL55A-0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.44
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Source:Arrow EU
Part No:CMF-RL55A-0
Stock:3000
Inv Date:05-29-2026
Price: N/A
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Part No:CMF-RL55A-0
Stock:3954
Inv Date:05-29-2026
Price: N/A
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Bourns CMFRL55A0 Telecom Resettable Fuse Specifications:

  • Induction Voltage Withstand: 600 VAC
  • Rated Voltage: 220 Volts
  • Rated Resistance RN: 55 Ohms
  • Resistance Tolerance: ±10 %
  • Packaging Resistance Matching: ± 0.5 Ohms @ 25°C
  • Hold Current: 0.050 Amps @ 25°C
  • Trip Current: 0.100 Amps @ 25°C
  • Imax @ 220 VAC: 3 Amps @ 25°C
  • Time to Trip @ Imax / 220 VAC: ≤0.1 Seconds @ 25°C
  • Operating Temperature Range: -40°C to +125 °C
  • Material: Sn/Cu
  • Style: 1
  • Packaging: 600 pcs. per tray

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Frequently Asked Questions

Where can I buy Bourns CMFRL55A0?

You can click on the BUY or RFQ button to purchase CMFRL55A0 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part CMFRL55A0?

You can download the CMFRL55A0 datasheet or visit the Bourns website for support.

Who is the manufacturer of CMFRL55A0?

Bourns

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