ET33B2000 Ferrite Core Equivalent & Substitute Parts

Part Overview

The ET33B2000 is a hinged (snap-on) ferrite core manufactured by Leader Tech Inc., designed for free-hanging applications with an impedance of 210Ohm @ 30MHz. This component features a 1.000" inner diameter and 2.000" outer diameter with a length of 2.531". The ET33B2000 is classified as obsolete, necessitating identification of active equivalent parts to maintain supply chain continuity for applications requiring this impedance and dimensional specification.

Substiute Parts

ET33B2000
Leader Tech Inc.In Stock: 1130ET33B2000 Datasheet
ET33B2000
Current Part
TC33B2000
Leader Tech Inc.In Stock: 937TC33B2000 Datasheet
TC33B2000
MFR Recommended

Key Parameters

Parameter Value
Impedance @ Frequency 210Ohm @ 30MHz
Inner Dimension (ID) 1.000" Dia (25.40mm)
Outer Dimension (OD) 2.000" Dia (50.80mm)
Length 2.531" (64.30mm)
Type Round
Material 33
Mounting Type Free Hanging
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

The TC33B2000 is identified as the manufacturer-recommended substitute for the ET33B2000. Substitution eligibility is determined by the following critical parameters:

  • Impedance Match: Both parts maintain 210Ohm @ 30MHz, ensuring equivalent electromagnetic performance
  • Inner Diameter Match: Both parts feature 1.000" (25.40mm) inner diameter, enabling compatibility with existing cable or conductor routing
  • Material Consistency: Both parts utilize Material 33 ferrite composition, maintaining electrical characteristics
  • Mounting Classification: Both are classified as free-hanging, supporting identical installation methods
  • Regulatory Compliance: Both achieve ROHS3 compliance and REACH unaffected status

The primary design difference is the mounting mechanism: ET33B2000 uses hinged (snap-on) design, while TC33B2000 employs clamp design. This distinction affects outer diameter (2.000" vs. 2.126") and length (2.531" vs. 1.500"), requiring mechanical fit verification in the target application.

Parameter Comparison

Parameter ET33B2000 (Obsolete) TC33B2000 (Active)
Impedance @ Frequency 210Ohm @ 30MHz 210Ohm @ 30MHz
Inner Dimension (ID) 1.000" Dia (25.40mm) 1.000" Dia (25.40mm)
Outer Dimension (OD) 2.000" Dia (50.80mm) 2.126" Dia (54.00mm)
Length 2.531" (64.30mm) 1.500" (38.10mm)
Type Round Round
Design Hinged (Snap On) Clamp
Material 33 33
Mounting Type Free Hanging Free Hanging
RoHS Status ROHS3 Compliant ROHS3 Compliant
Product Status Obsolete Active

Engineering Selection Recommendations

The TC33B2000 is the active equivalent for the obsolete ET33B2000, with matching impedance and inner diameter specifications. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for current procurement.

Selection of TC33B2000 requires mechanical fit validation due to dimensional differences in outer diameter and length. The clamp design of TC33B2000 differs from the hinged design of ET33B2000, necessitating assessment of mounting compatibility within the target assembly. The reduced length (1.500" vs. 2.531") and increased outer diameter (2.126" vs. 2.000") must be evaluated against available space and mechanical constraints.

Frequently Asked Questions (FAQ)

Q: Can TC33B2000 directly replace ET33B2000 in existing designs?

A: TC33B2000 provides electrical equivalence through matching impedance (210Ohm @ 30MHz) and inner diameter (1.000"). Mechanical compatibility requires verification of the clamp mounting design against the original hinged design, and confirmation that the dimensional changes (OD and length) fit within the available space.

Q: What are the key differences between ET33B2000 and TC33B2000?

A: The primary differences are design type (hinged vs. clamp), outer diameter (2.000" vs. 2.126"), and length (2.531" vs. 1.500"). Electrical performance and material composition remain identical.

Q: Are both parts compliant with current regulations?

A: Both ET33B2000 and TC33B2000 are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Q: Why is ET33B2000 obsolete?

A: ET33B2000 is classified as obsolete by the manufacturer. TC33B2000 represents the active product line continuation for this impedance and core size category.

Q: What should be verified before implementing TC33B2000 as a substitute?

A: Verify mechanical fit of the clamp design within the assembly, confirm that the outer diameter increase (2.126" vs. 2.000") and length reduction (1.500" vs. 2.531") do not conflict with spatial constraints, and validate that the free-hanging mounting method is compatible with the application.

Request Quote (Ships tomorrow)