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Bourns SF3812TM050T2 Telecom Fuse Protector

The SF-3812TM-T Series is a line of telecom protector fuses designed to provide overcurrent protection in telecommunication circuits, such as POTS systems, Ethernet, xDSL, and fiber-to-the-curb applications. These surface-mount, RoHS-compliant devices feature high surge tolerance, UL listing, and EIA 3812 footprint, offering reliable circuit protection with rated currents from 0.50 A to 2.00 A. They are ideal for automating assembly and leading-edge telecommunication infrastructures requiring durable, low current surge protection with high surge impedance. Their construction includes ceramic tubes and gold-plated brass end caps for enhanced durability.

Authorized Distributors
Source:Newark
Part No:SF-3812TM050T-2
Stock:2554
Inv Date:05-28-2026
Price: Unit price: $1.33
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Source:DigiKey
Part No:SF-3812TM050T-2
Stock:15000
Inv Date:05-28-2026
Price: Unit price: $0.50901
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Part No:SF-3812TM050T-2
Stock:8270
Inv Date:05-29-2026
Price: Unit price: $1.06
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Part No:SF-3812TM050T-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.21
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Part No:SF-3812TM050T-2
Stock:2127
Inv Date:05-28-2026
Price: Unit price: $0.6808
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Part No:SF-3812TM050T-2
Stock:2127
Inv Date:05-28-2026
Price: Unit price: $0.6808
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Part No:SF-3812TM050T-2
Stock:1090
Inv Date:05-29-2026
Price: N/A
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Bourns SF3812TM050T2 Telecom Fuse Protector Specifications:

  • EIA 3812 (10030 metric) footprint
  • Rated Current: 0.50 A to 2.00 A
  • Resistance: Very low, specifics not provided
  • Fusing Time: Open within 0.480 sec for 0.50 A model
  • Surge Repetition: Up to 100,000 cycles at specified surge levels
  • Max Power Dissipation: 0.4 W to 8 W depending on model
  • RoHS compliant and halogen free
  • Construction: Ceramic tube with gold-plated brass end caps
  • Operating Temperature: -55°C to +125°C
  • Storage Conditions: -55°C to +125°C, Humidity 20% to 70%
  • Shelf Life: 2 years from manufacturing date
  • ESD Classification: High (specific level not specified)
  • Certifications: UL 248-14 listed
  • Package: Surface mount, tape and reel packaging for automated assembly
  • Mechanical Dimensions: Approximately 6.10mm x 3.10mm typical, specific dimensions detailed in datasheet

Buy the Buy Bourns SF-3812TM-T Part Number SF3812TM050T2 Online

Secure your telecommunication infrastructure with Bourns SF-3812TM050T2 telecom fuse protector. This surface-mount fuse offers high surge tolerance, UL listing, RoHS compliance, and reliable overcurrent protection from 0.50 A to 2.00 A. Ideal for POTS, Ethernet, xDSL, and fiber-to-the-curb applications, it features durable ceramic construction and gold-plated brass end caps. Easy to assemble in automated production lines, ensuring your network components are protected against surges, voltage spikes, and circuit faults with long-lasting reliability and compliance with industry standards.

Get Bourns SF-3812TM050T2 today—designed for reliable circuit protection in telecom and networking equipment with high surge tolerance.

Frequently Asked Questions

Where can I buy Bourns SF3812TM050T2?

You can click on the BUY or RFQ button to purchase SF3812TM050T2 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part SF3812TM050T2?

You can download the SF3812TM050T2 datasheet or visit the Bourns website for support.

Who is the manufacturer of SF3812TM050T2?

Bourns

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