Switchcraft E3FB Equivalent & Substitute Parts

Part Overview

The Switchcraft E3FB is a 3-position circular connector plug with female sockets designed for solder termination. This XLR-format connector is classified as Active product status and serves applications in audio and instrumentation. The E3FB features a panel-mount flange configuration with latch lock fastening and shielded construction rated for 15A current capacity across an operating temperature range of -55°C to 85°C. Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part's core specifications, enabling component interchangeability in system designs.

Substiute Parts

E3FB

Switchcraft Inc.In Stock: 1066E3FB Datasheet

Current PartRFQ

AC3FDZB

Amphenol AudioIn Stock: 1401AC3FDZB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Switchcraft E3FB is determined by strict alignment of the following parameters:

• Connector Configuration: Plug with female sockets, 3-position XLR format
• Mechanical Interface: Panel mount with flange and keyed orientation
• Fastening Mechanism: Latch lock engagement
• Electrical Properties: Silver-plated mating contacts, shielded construction
• Regulatory Compliance: ROHS3 Compliant, REACH Unaffected, EAR99 classification

The Amphenol Audio AC3FDZB qualifies as a substitute based on matching connector type, position count, XLR shell size, panel-mount flange configuration, keyed orientation, latch lock fastening, zinc die-cast shell material, silver contact finish, and shielded design. Both parts maintain identical regulatory compliance status and HTSUS classification.

Parameter Comparison

Engineering Selection Recommendations

Both the Switchcraft E3FB and Amphenol Audio AC3FDZB maintain Active product status and identical regulatory compliance certifications (ROHS3 Compliant, REACH Unaffected, EAR99). Selection between these parts depends on application-specific requirements:

The E3FB operates across -55°C to 85°C and supports 15A current rating with standard solder termination and chrome shell finish. The AC3FDZB operates across -25°C to 75°C with solder cup termination and polyester shell finish, providing IP40 ingress protection. Applications requiring extended low-temperature operation or higher current capacity specifications should specify the E3FB. Applications prioritizing ingress protection or solder cup termination compatibility should specify the AC3FDZB. Both parts share identical mechanical interfaces, fastening mechanisms, and electrical contact properties, ensuring functional interchangeability within their respective operating parameter ranges.

Frequently Asked Questions (FAQ)

Q: What determines if the AC3FDZB can substitute for the E3FB?

A: Substitution is valid when the connector maintains identical plug/female socket configuration, 3-position count, XLR shell size, panel-mount flange interface, keyed orientation, latch lock fastening, zinc die-cast construction, silver contact finish, and shielded design. Both parts meet these criteria.

Q: How do termination differences affect substitution?

A: The E3FB uses standard solder termination while the AC3FDZB uses solder cup termination. Both are solder-based methods compatible with PCB assembly processes. Selection depends on specific board layout and assembly equipment capabilities.

Q: Are there operating temperature limitations for substitution?

A: The E3FB operates -55°C to 85°C while the AC3FDZB operates -25°C to 75°C. In applications requiring temperatures below -25°C or above 75°C, the E3FB is required. For applications within -25°C to 75°C, both parts are functionally equivalent.

Q: Do shell finish differences affect electrical performance?

A: Shell finish (chrome versus polyester) does not affect electrical performance. The AC3FDZB polyester finish provides IP40 ingress protection, while the E3FB chrome finish does not specify ingress protection. Selection depends on environmental exposure requirements.

Q: Are both parts compliant with current regulations?

A: Both the E3FB and AC3FDZB are ROHS3 Compliant, REACH Unaffected, and classified as EAR99. Both share identical HTSUS classification (8536.69.4020), confirming regulatory equivalence for procurement and deployment.