Switchcraft E3MB Circular Connector - Equivalent & Substitute Parts

Part Overview

The Switchcraft E3MB is a 3-position circular connector receptacle with male pins, designed for panel mount applications in audio and instrumentation systems. This XLR-format connector features solder termination, a latch lock fastening mechanism, and shielded construction rated for 15A continuous current. The E3MB maintains active product status with full ROHS3 compliance and is currently in stock with 795 units available.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part's core specifications, enabling direct functional replacement in compatible applications.

Substiute Parts

E3MB

Switchcraft Inc.In Stock: 899E3MB Datasheet

Current PartRFQ

AC3MMDZB

Amphenol AudioIn Stock: 1319AC3MMDZB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The AC3MMDZB (Amphenol Audio) is identified as a substitute based on alignment in the following critical parameters:

• Connector type and pin configuration (Receptacle, Male Pins, 3-position)
• Shell size and format (XLR)
• Mounting configuration (Panel Mount, Flange)
• Orientation (Keyed)
• Shell material (Zinc Die Cast)
• Contact finish (Silver)
• Shielding (Shielded)
• Regulatory compliance (ROHS3 Compliant)

Substitution is valid where these core electrical and mechanical parameters are functionally equivalent. Differences in termination method (Solder Cup vs. Solder), fastening type (Push-Pull vs. Latch Lock), and operating temperature range represent design variations that may affect application suitability.

Parameter Comparison

Engineering Selection Recommendations

Both the E3MB and AC3MMDZB maintain active product status and full ROHS3 compliance, qualifying them for applications requiring regulatory adherence. Selection between these parts depends on specific application requirements:

The E3MB provides a wider operating temperature range (-55°C to 85°C) and latch lock fastening, suitable for demanding environmental conditions and applications requiring secure mechanical retention.

The AC3MMDZB offers IP40 ingress protection and push-pull fastening with solder cup termination, appropriate for applications prioritizing ease of connection and environmental sealing within its operating temperature window (-25°C to 75°C).

Both connectors are XLR-format, keyed, shielded receptacles with silver-plated contacts and zinc die cast shells, ensuring mechanical and electrical compatibility in standard audio and instrumentation applications.

Frequently Asked Questions (FAQ)

Q: Can the AC3MMDZB directly replace the E3MB in all applications?

A: Direct replacement is valid where operating temperature requirements fall within -25°C to 75°C and the application tolerates push-pull fastening instead of latch lock. The solder cup termination of the AC3MMDZB differs from the E3MB's solder termination, requiring evaluation of PCB layout and assembly compatibility.

Q: What are the key differences between these connectors?

A: The primary differences are fastening type (latch lock vs. push-pull), termination method (solder vs. solder cup), operating temperature range, and ingress protection rating. Both maintain identical XLR format, 3-position configuration, and shielded construction.

Q: Are both parts suitable for audio applications?

A: Yes. Both the E3MB and AC3MMDZB are specified for audio and instrumentation applications with equivalent connector geometry and electrical properties.

Q: What is the significance of the operating temperature difference?

A: The E3MB operates across -55°C to 85°C, while the AC3MMDZB operates across -25°C to 75°C. Applications requiring operation below -25°C or above 75°C must use the E3MB.

Q: Does the IP40 rating on the AC3MMDZB affect compatibility?

A: The IP40 ingress protection on the AC3MMDZB provides additional environmental sealing. This is a supplementary feature that does not prevent substitution in applications where environmental protection is beneficial or neutral.

Q: Are both parts RoHS compliant?

A: Yes. Both the E3MB and AC3MMDZB are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing.