461 Series - TELELINK® Surge Tolerant Surface Mount Fuse

Brand: Littelfuse, Inc

The Littelfuse 461 Series TeleLink® Surface Mount, Surge Resistant Fuse, offers over-current protection for a wide range of telecom applications without requiring a series resistor.

When used in conjunction with a Littelfuse SIDACtor® Transient Voltage Suppressor (TVS) or a GreentubeTM Gas Plasma Arrestor, this combination provides a compliant solution for standards and recommendations such as GR-1089–Core, TIA-968-A, UL/ EN/IEC 60950, and ITU K.20 and K.21.

The coordination requirement contained in GR-1089–Core, and ITU K.20/21 may require a series of impedance devices.
Features
  • Surface mount surge resistant Slo-Blo® fuse
  • Meet UL 60950 3rd Edition power cross requirements standard alone
  • Designed to allow compliance with Telcordia GR-1089-CORE and TIA- 968-A (formerly FCC Part 68) Surge Specifications
  • Provide coordinated protection with Littelfuse SIDACtor® Transient Voltage Suppressor (TVS)or a GreentubeTM Gas Plasma Arrestor, without series resistors
  • Designed to serve the requirements of a wide range of telecommunication and networking equipment
  • 2A rating has improved temperature rise performance under 2.2A surge current testing when compared with 1.25A rating
  • Product is Halogen Free and RoHS compliant and compatible with leadfree solder and higher temperature profiles when ordered with Standard Silver Plated Brass Caps
  • Standard product is RoHS Compliant and compatible with lead-free solders and higher temperature profiles
  • UL Recognized to UL/CSA/NMX 248-1 and UL/CSA/NMX 248-14
  • Conforms to IEC/EN 60127-1 and IEC/EN 60127-7

Specifications

Materials

  • Body: Ceramic
  • Terminations: Silver-Plated Caps

Product Marking

  • Brand Logo, Ampere Rating, T

Solderability

  • IEC 60127-4 (215° C immersion, 3 seconds)

Operating Temperature

  • -55° to 125° C

Thermal Shock

  • MIL-STD-202, Method 107, Test Condition B, -55° to +125° C, 30 minutes @ each extreme

Moisture Sensitivity Level

  • J-STD-020, Level 1

Moisture Resistance

  • MIL-STD-202, Method 106, 50 cycles

Terminal Strength

  • Board deflection per EIA / IS-722, 1 mm deflection for 1 minute

Mechanical Shock

  • MIL-STD-202, Method 213, Test Condition A - Half Sine, 50 G's, 11 msecs. duration

Terminal Attachment

  • MIL-STD-202, Method 211, Test Condition A, 5 lb applied to end caps

Approvals

  • UL
  • CSA
  • TÜV

High Frequency Vibration

  • MIL-STD-202, Method 204, Test Condition D

Resistance to Dissolution of Metallization

  • IPC / EIA J-STD-002-Test D 260° C for 120 seconds

  • T1/E1/J1 and HDSL2/4
  • SLIC Interface Portion of Fiber to the Curb (FTTC) and Fiber to the Premises (FTTP)
  • Non-Fiber SLIC Interface for Central Office (CO) Locations and Remote Terminals (RT)
  • xDSL Applications such as ADSL, ADSL2+, VDSL, and VDSL2+
  • Ethernet 10/100/1000BaseT
  • POTS Applications Such as Modems, Answering Machines, Telephones, Fax Machines, and Security Systems
  • ISDN “U” Interface
  • Baystation T1/E1/J1, T3 (DS3) Trunk Cards
show more