Equivalent & Substitute Parts: 33-280-BU

Part Overview

The 33-280-BU is a binding post connector manufactured by GC Electronics, designed to meet MIL-P-206 specifications. This component functions as a connection point for electrical circuits, featuring a black finish suitable for standard laboratory and industrial applications. The part is currently active in production with 1000 units in stock. Identification of equivalent and substitute parts is necessary to support procurement flexibility, manage supply chain continuity, and accommodate design variations across different applications and manufacturing environments.

Substiute Parts

33-280-BU

GC ElectronicsIn Stock: 110333-280-BU Datasheet

Current PartRFQ

5018-0

Pomona ElectronicsIn Stock: 18355018-0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 33-280-BU with the Pomona Electronics 5018-0 is based on functional equivalence within the binding post connector category. Both components serve identical electrical connection purposes and share the following critical parameters that establish substitutability:

Key Substitution Parameters:

• Connector Type: Both are binding post connectors with hex head design
• Color: Black finish on both components
• Electrical Rating: 30 A current capacity and 30VAC/60VDC voltage rating
• Termination Method: Threaded and turret termination options
• Material Compatibility: Brass body with gold plating and polyamide insulation
• Regulatory Classification: Both assigned ECCN EAR99 and HTSUS 8536.90.4000
• Product Status: Both components are active in production

The 5018-0 represents a direct functional substitute meeting the same electrical and mechanical interface requirements as the 33-280-BU.

Parameter Comparison

Engineering Selection Recommendations

Compliance Considerations:

The 33-280-BU is RoHS non-compliant, while the 5018-0 is ROHS3 compliant. Selection between these components depends on the regulatory requirements of the end application. Applications subject to RoHS directives require the 5018-0. Applications without RoHS compliance mandates may use either component.

Both components are classified under ECCN EAR99 and share identical HTSUS coding, indicating equivalent export control and tariff treatment.

Inventory and Availability:

The 33-280-BU maintains 1000 units in stock. The 5018-0 has 1807 units available, providing additional supply security for applications requiring the 5018-0 specification.

Product Status:

Both components maintain active production status, ensuring continued availability for new designs and replacement procurement.

Frequently Asked Questions (FAQ)

Q: Can the 5018-0 directly replace the 33-280-BU in existing designs?

A: The 5018-0 functions as a direct substitute for binding post applications. Both components share identical connector type classification, black color, and equivalent electrical interface characteristics. Physical dimensions and termination methods are compatible for standard binding post applications.

Q: What is the primary difference between these two binding post connectors?

A: The primary difference is RoHS compliance status. The 33-280-BU is RoHS non-compliant, while the 5018-0 is ROHS3 compliant. This distinction determines suitability for applications subject to RoHS regulatory requirements. Electrical and mechanical specifications are functionally equivalent.

Q: Are there packaging differences between the 33-280-BU and 5018-0?

A: The 33-280-BU is supplied in standard packaging. The 5018-0 is supplied in bulk packaging. Bulk packaging typically accommodates higher-volume procurement and may affect unit cost and handling procedures.

Q: What electrical specifications apply to these binding post connectors?

A: The 5018-0 is rated for 30 A current capacity and 30VAC/60VDC voltage operation. These specifications establish the electrical operating envelope for binding post applications. The 33-280-BU specifications are not detailed in available documentation.

Q: Are both components suitable for export?

A: Both components are classified under ECCN EAR99, indicating they are subject to standard export control procedures. Both share identical HTSUS tariff classification 8536.90.4000. Export eligibility depends on destination country and end-use application requirements, not on component selection between these two parts.

Q: What materials are used in the 5018-0 construction?

A: The 5018-0 features a brass body with gold plating for electrical contact surfaces and polyamide (nylon) insulation material. Steel nuts provide mechanical fastening. These material selections provide corrosion resistance and reliable electrical conductivity for standard binding post applications.