TA3M Equivalent & Substitute Parts Reference

Part Overview

The TA3M is a 3-position circular connector receptacle with male pins, manufactured by Switchcraft Inc. as part of the Tini Q-G® TA series. This Mini XLR connector is designed for audio applications with solder termination, featuring a shielded design rated for 5A at 125VAC across an operating temperature range of -55°C to 85°C.

The TA3M is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support legacy system maintenance where this connector type is specified.

Key Parameters

Parameter	TA3M Specification
Connector Type	Receptacle, Male Pins
Number of Positions	3
Shell Size	Mini XLR
Termination	Solder
Fastening Type	Latch Lock
Orientation	Keyed
Shielding	Shielded
Current Rating	5A
Voltage Rating	125VAC
Operating Temperature	-55°C to 85°C
Cable Opening	0.065" ~ 0.155" (1.65mm ~ 3.94mm)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the TA3M is determined by the following critical parameters:

Connector Type & Pin Configuration: Receptacle with male pins, 3-position configuration
Shell Size: Mini XLR form factor
Mounting & Termination: Free hanging (in-line) with solder-based termination
Electrical Performance: Current and voltage ratings must meet or exceed 5A at 125VAC
Environmental Compliance: Operating temperature range and material flammability ratings
Mechanical Compatibility: Keyed orientation, latch fastening, shielded design

Two substitute parts meet these criteria:

TA3MX (Switchcraft Inc.) — Direct manufacturer successor within the same product family (Tini Q-G® TA-X series). Maintains identical mechanical and electrical specifications with active product status and improved RoHS3 compliance.

AG3M (Amphenol Audio) — Cross-manufacturer alternative from the mini XLR G Type™ series. Shares core connector architecture, Mini XLR shell size, and 3-position male pin receptacle configuration. Operates within compatible temperature and electrical parameters with active product status and RoHS3 compliance.

Parameter Comparison

Parameter	TA3M	TA3MX	AG3M
Manufacturer	Switchcraft Inc.	Switchcraft Inc.	Amphenol Audio
Connector Type	Receptacle, Male Pins	Receptacle, Male Pins	Receptacle, Male Pins
Number of Positions	3	3	3
Shell Size	Mini XLR	Mini XLR	Mini XLR
Termination	Solder	Solder	Solder Cup
Fastening Type	Latch Lock	Latch Lock	Latch Holder
Orientation	Keyed	Keyed	Keyed
Shielding	Shielded	Shielded	Not specified
Current Rating	5A	5A	Not specified
Voltage Rating	125VAC	125VAC	Not specified
Operating Temperature	-55°C to 85°C	-55°C to 85°C	-30°C to 80°C
Cable Opening	0.065" ~ 0.155"	0.065" ~ 0.155"	Not specified
Product Status	Obsolete	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

TA3MX is the primary substitute for TA3M applications. Both parts are manufactured by Switchcraft Inc. and share identical mechanical and electrical specifications. The TA3MX is an active product with ROHS3 compliance, addressing the obsolescence of the TA3M while maintaining full design compatibility. This part is recommended for new designs and direct replacement scenarios where supply continuity is required.

AG3M is a secondary cross-manufacturer alternative suitable for applications where Amphenol Audio connectors are acceptable. The AG3M operates within the specified operating temperature range (-30°C to 80°C encompasses the upper portion of TA3M's range) and maintains Mini XLR form factor compatibility. The AG3M is ROHS3 compliant and actively produced. Electrical ratings are not specified in available documentation; verification against application requirements is necessary before selection.

Both substitute parts carry active product status and ROHS3 compliance, addressing regulatory and supply chain concerns associated with the obsolete TA3M.

Frequently Asked Questions (FAQ)

Q: Can TA3MX be used as a direct replacement for TA3M?

A: Yes. The TA3MX maintains identical specifications for connector type, pin configuration, shell size, termination method, fastening type, electrical ratings (5A at 125VAC), and operating temperature range (-55°C to 85°C). Both are manufactured by Switchcraft Inc. and are mechanically and electrically interchangeable.

Q: What are the key differences between TA3MX and AG3M?

A: TA3MX is a Switchcraft product with identical electrical specifications to TA3M. AG3M is an Amphenol Audio product with unspecified electrical ratings and a narrower operating temperature range (-30°C to 80°C). Both maintain Mini XLR form factor and 3-position male pin receptacle configuration. Selection depends on manufacturer preference and application temperature requirements.

Q: Is AG3M suitable for applications requiring -55°C operation?

A: No. AG3M is rated for -30°C to 80°C operation. Applications requiring the full -55°C to 85°C range of the TA3M must use TA3MX.

Q: What is the difference between solder and solder cup termination?

A: Both are solder-based termination methods. Solder termination (TA3M, TA3MX) and solder cup termination (AG3M) are compatible for wire attachment in audio applications. Specific PCB layout and assembly procedures may differ; consult manufacturer documentation for termination details.

Q: Are both substitute parts RoHS compliant?

A: Yes. Both TA3MX and AG3M are ROHS3 compliant, addressing the non-compliance status of the obsolete TA3M.

Q: What packaging is available for substitute parts?

A: TA3MX is available in bulk packaging. AG3M is available in bulk packaging. Verify packaging requirements with your procurement specifications.

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