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Bourns SF3812TM125T2 Telecom Surge Protector

The SF-3812TM-T Series SinglFuse Telefuse Telecom Protectors are surface-mount devices designed for low current telecommunication circuit protection. They feature an EIA 3812 (10030 metric) footprint, are UL 248-14 listed, RoHS compliant, halogen free, and suitable for automated assembly. These protectors offer overcurrent protection with high surge tolerance, meeting Telcordia SF-3812TM-T Series standards. Available with rated currents from 0.50 A to 2.00 A, they are ideal for fiber-to-the-curb and fiber-to-the-premises applications, POTS systems, Ethernet, and XDSL networks, providing reliable surge and overcurrent protection.

Authorized Distributors
Source:Newark
Part No:SF-3812TM125T-2
Stock:1861
Inv Date:05-28-2026
Price: Unit price: $0.689
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Source:DigiKey
Part No:SF-3812TM125T-2
Stock:446
Inv Date:05-28-2026
Price: Unit price: $2.19
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Part No:SF-3812TM125T-2
Stock:8063
Inv Date:05-29-2026
Price: Unit price: $1.05
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Part No:SF-3812TM125T-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.19
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Part No:SF-3812TM125T-2
Stock:9750
Inv Date:05-28-2026
Price: Unit price: $0.5332
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Part No:SF-3812TM125T-2
Stock:9750
Inv Date:05-28-2026
Price: Unit price: $0.5332
Buy/RFQ:
Part No:SF-3812TM125T-2
Stock:1
Inv Date:05-29-2026
Price: N/A
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Bourns SF3812TM125T2 Telecom Surge Protector Specifications:

  • EIA 3812 (10030 metric) footprint
  • UL 248-14 listed
  • Surface mount packaging for automated assembly
  • RoHS compliant and halogen free
  • Rated Current: 0.50 A, 1.25 A, 2.00 A
  • Resistance: Resistance value measured with <10 % rated current at 25 °C ambient; tolerance +30 %
  • Overcurrent protection with high surge tolerance
  • Operating Temp: -55 °C to +125 °C
  • Storage Temp: -55 °C to +125 °C
  • Humidity: 20 % to 70 %
  • Shelf Life: 2 years from manufacturing date
  • Construction: End cap of gold-plated brass, ceramic tube
  • Packaging Quantity: 2,500 pieces per 13-inch reel
  • Voltage Rating: up to 600 V
  • Surge capability: Repetitions of 10/360, 10/1000, and other waveforms
  • Pulse cycle withstand capability: 100,000 cycles

Buy the Bourns SF3812TM125T2 – Reliable Telecom Surge Protector for Industrial Applications

Secure your telecommunication and networking systems with Bourns SF3812TM125T2 telecom surge protectors. These surface-mount devices feature high surge tolerance, UL listing, and RoHS compliance, ensuring reliable overcurrent and surge protection for fiber, POTS, Ethernet, and XDSL applications. Designed for automated assembly, their compact ceramic tube construction guarantees durability in harsh environments. With rated currents from 0.50 A to 2.00 A, they are ideal for protecting sensitive telecom and networking equipment, enhancing system safety, and ensuring operational continuity.

Buy Bourns SF3812TM125T2 now and experience unmatched reliability and performance in telecommunication surge protection.

Frequently Asked Questions

Where can I buy Bourns SF3812TM125T2?

You can click on the BUY or RFQ button to purchase SF3812TM125T2 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part SF3812TM125T2?

You can download the SF3812TM125T2 datasheet or visit the Bourns website for support.

Who is the manufacturer of SF3812TM125T2?

Bourns

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