BU-00261 Equivalent & Substitute Parts Reference

Part Overview

The BU-00261 is an adapter connector manufactured by Mueller Electric Co that converts BNC Male connectors to Banana Plug, Double configuration. This component is classified as a PLUG BANANA connector and is actively produced. The part is supplied in bulk packaging with 802 units currently in stock. Substitute parts may be required due to inventory constraints, supply chain considerations, or specific application requirements where alternative connector geometries and termination methods are acceptable within the defined electrical and mechanical parameters.

Substiute Parts

BU-00261

Mueller Electric CoIn Stock: 853BU-00261 Datasheet

Current PartRFQ

1270

Keystone ElectronicsIn Stock: 10791270 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part identified for BU-00261 is Keystone Electronics part number 1270. Substitution eligibility is determined by the following parameters:

• RoHS compliance status (both parts are compliant)
• Moisture Sensitivity Level (both rated MSL 1 - Unlimited)
• REACH regulatory status (both REACH Unaffected)
• Active product status (both actively produced)
• Connector termination capability (both support screw, rivet, and stud connections)
• Contact material and finish specifications (both utilize brass with tin finish)

The 1270 is a quick connect male terminal connector with 0.110" (2.79mm) tab width, designed for board and chassis mounting applications. While the connector geometries differ from the BU-00261 (quick connect tab versus banana plug configuration), both parts operate within equivalent electrical and mechanical parameter ranges for applications requiring connector adaptation and termination flexibility.

Parameter Comparison

Engineering Selection Recommendations

Both BU-00261 and Keystone 1270 maintain active product status with current manufacturing support. Selection between these parts is based on:

• Regulatory compliance: Both parts satisfy RoHS and REACH requirements with equivalent MSL ratings, ensuring suitability for standard industrial and commercial applications.
• Supply availability: BU-00261 has 802 units in stock; Keystone 1270 has 1028 units in stock, providing flexibility in procurement decisions.
• Connector interface requirements: BU-00261 provides BNC-to-Banana conversion; Keystone 1270 provides quick-connect tab termination. Selection depends on the specific connector interface required by the application circuit.
• Export compliance: Both parts are classified as EAR99, indicating equivalent export control status.

Frequently Asked Questions (FAQ)

Q: Can Keystone 1270 directly replace BU-00261 in all applications?

A: No. While both parts meet equivalent regulatory and compliance standards, they serve different connector interface functions. BU-00261 converts BNC Male to Banana Plug, Double configuration, whereas Keystone 1270 is a quick-connect male terminal. Substitution is valid only when the application circuit can accommodate the quick-connect tab interface instead of the banana plug configuration.

Q: What are the key compliance parameters that make these parts substitutable?

A: Both parts share identical RoHS compliance status, MSL rating of 1 (Unlimited), REACH Unaffected status, and EAR99 export classification. These parameters establish the baseline for substitution eligibility in regulated environments.

Q: Are there inventory advantages to selecting one part over the other?

A: Keystone 1270 has higher current inventory (1028 units) compared to BU-00261 (802 units), which may provide supply chain advantages for high-volume procurement scenarios.

Q: What is the significance of the MSL 1 rating for both parts?

A: MSL 1 (Unlimited) indicates that both parts have unlimited shelf life and require no special moisture control during storage, handling, or transportation. This simplifies logistics and reduces storage requirements.

Q: Do both parts support the same termination methods?

A: BU-00261 functions as an adapter connector, while Keystone 1270 supports screw, rivet, and stud termination methods. The termination approach differs based on the connector interface type required by the application.