Switchcraft C12B Stereo Phone Jack Connector - Equivalent & Substitute Parts

Part Overview

The Switchcraft C12B is a panel-mount stereo phone jack connector featuring a 5.23mm (0.206") mating diameter with three conductors (TRS configuration). This connector is designed for audio and signal applications requiring reliable solder eyelet termination. The C12B is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations where this connector type is specified.

Substiute Parts

C12B

Switchcraft Inc.In Stock: 1165C12B Datasheet

Current PartRFQ

C12BX

Switchcraft Inc.In Stock: 877C12BX Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the Switchcraft C12B stereo phone jack connector is determined by strict equivalence across the following critical parameters:

• Connector type and gender (Phone Jack, Female)
• Signal configuration (Stereo, 3 Conductor TRS)
• Mating diameter (5.23mm / 0.206")
• Mounting configuration (Panel Mount)
• Termination method (Solder Eyelet)
• Mechanical interface (Thread size 3/8"-32, Panel hole size 0.375")
• Electrical ratings (25VDC, 1 A)
• Operating temperature range (-20°C to 65°C)

The C12BX qualifies as a direct substitute based on identical specifications across all these parameters. The primary distinction is product status and packaging configuration.

Parameter Comparison

Engineering Selection Recommendations

The Switchcraft C12BX represents a direct functional and mechanical equivalent to the C12B stereo phone jack connector. Selection of the C12BX is supported by the following engineering considerations:

Product Status: The C12B is classified as obsolete, while the C12BX maintains active product status. For new designs and ongoing procurement, the C12BX ensures continued availability and manufacturer support.

Compliance and Certifications: Both connectors maintain identical RoHS3 compliance and EAR99 export classification, ensuring regulatory equivalence for applications subject to environmental and trade control requirements.

Electrical and Mechanical Specifications: Complete parameter alignment across voltage rating (25VDC), current capacity (1 A), operating temperature range (-20°C to 65°C), and mechanical interface dimensions (thread size 3/8"-32, panel hole 0.375") confirms direct substitutability without circuit or mechanical redesign.

Packaging Consideration: The C12BX is supplied in bulk packaging, whereas the C12B standard packaging is specified. Procurement planning should account for this packaging difference when ordering quantities.

Frequently Asked Questions (FAQ)

Q: Can the C12BX be used as a direct replacement for the C12B in existing applications?

A: Yes. The C12BX is electrically and mechanically equivalent to the C12B across all specified parameters, including connector type, signal configuration, mating diameter, mounting interface, and electrical ratings. No circuit modifications or mechanical redesign is required.

Q: What is the primary reason for substituting the C12B with the C12BX?

A: The C12B is classified as obsolete. The C12BX, an active product from the same manufacturer and series, provides equivalent functionality with assured ongoing availability and manufacturer support.

Q: Are there any differences in the mechanical interface between these connectors?

A: No. Both connectors feature identical panel mounting specifications: 3/8"-32 thread size and 0.375" (9.52mm) panel hole diameter. Installation procedures and mechanical compatibility are identical.

Q: Do both connectors meet the same regulatory and compliance standards?

A: Yes. Both the C12B and C12BX are ROHS3 compliant and classified under ECCN EAR99, ensuring equivalent regulatory status for applications subject to environmental and export control requirements.

Q: What is the difference in packaging between the C12B and C12BX?

A: The C12B is supplied in standard packaging, while the C12BX is supplied in bulk packaging. This distinction affects order quantities and storage considerations but does not impact connector performance or compatibility.

Q: Are the electrical ratings identical between the two connectors?

A: Yes. Both connectors are rated for 25VDC and 1 A current capacity, with an operating temperature range of -20°C to 65°C. Electrical performance and application suitability are equivalent.