PAA.M0.4GL.AC65A Equivalent & Substitute Parts

Part Overview

The PAA.M0.4GL.AC65A is a 4-position circular connector plug with male pins and solder cup termination, manufactured by LEMO. This connector is designed for applications requiring reliable push-pull detent lock fastening in automotive, industrial, medical, and testing equipment environments. The part is currently active in production with 781 units in stock. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when design requirements permit equivalent configurations.

Key Parameters

Parameter	Value
Manufacturer Part Number	PAA.M0.4GL.AC65A
Manufacturer	LEMO
Category	Circular Connectors
Connector Type	Plug, Male Pins
Number of Positions	4
Shell Size - Insert	M04
Termination	Solder Cup
Fastening Type	Push-Pull, Detent Lock
Mounting Type	Free Hanging (In-Line)
Shell Material	Polysulfone (PSU)
Contact Finish - Mating	Gold
Ingress Protection	IP50 - Dust Protected
Current Rating	8A
Cable Opening	0.209" ~ 0.256" (5.30mm ~ 6.50mm)
Operating Temperature	-50°C ~ 150°C
Insert Material	Polyetheretherketone (PEEK)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the PAA.M0.4GL.AC65A is determined by the following critical parameters:

Connector Type & Position Count: Both main and substitute parts must be 4-position circular connector plugs with male pins
Termination Method: Solder cup termination is required for direct substitution
Fastening Mechanism: Push-pull detent lock fastening ensures mechanical compatibility
Shell Material & Contact Finish: Polysulfone shell with gold-plated mating contacts maintain electrical and environmental performance
Ingress Protection: IP50 dust protection rating must be maintained
Insert Material: PEEK insert material ensures thermal and mechanical stability
Mounting Configuration: Free hanging in-line mounting type must be preserved
Electrical Performance: Current rating and operating temperature range determine functional equivalence

The substitute part S11MA7-P04MJG0-6560 (ODU MEDI-SNAP®) meets these core substitution criteria with compatible mechanical and electrical specifications.

Parameter Comparison

Parameter	PAA.M0.4GL.AC65A (LEMO)	S11MA7-P04MJG0-6560 (ODU)	Compatibility Notes
Connector Type	Plug, Male Pins	Plug, Male Pins	Identical
Number of Positions	4	4	Identical
Termination	Solder Cup	Solder Cup	Identical
Fastening Type	Push-Pull, Detent Lock	Push-Pull	Compatible; ODU variant uses push-pull without specified detent lock notation
Shell Material	Polysulfone (PSU)	Polysulfone (PSU)	Identical
Contact Finish - Mating	Gold	Gold	Identical
Ingress Protection	IP50 - Dust Protected	IP50 - Dust Protected	Identical
Current Rating	8A	10A	ODU rated higher; suitable for applications requiring 8A or less
Cable Opening	0.209" ~ 0.256" (5.30mm ~ 6.50mm)	0.209" ~ 0.256" (5.30mm ~ 6.50mm)	Identical
Operating Temperature	-50°C ~ 150°C	-50°C ~ 120°C	LEMO supports higher maximum temperature; verify application requirements
Insert Material	Polyetheretherketone (PEEK)	Polyetheretherketone (PEEK)	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical

Engineering Selection Recommendations

Both the PAA.M0.4GL.AC65A and S11MA7-P04MJG0-6560 are active production parts with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for industrial, medical, and automotive applications.

Selection Criteria:

PAA.M0.4GL.AC65A (LEMO): Select when operating temperature range of -50°C to 150°C is required. This part supports the full extended temperature specification.
S11MA7-P04MJG0-6560 (ODU MEDI-SNAP®): Select when operating temperature does not exceed 120°C and higher current capacity (10A vs. 8A) is beneficial. This part is suitable for medical and industrial applications within the specified temperature range.

Both parts share identical mechanical interfaces, shell materials, contact finishes, and ingress protection ratings, ensuring mechanical and electrical compatibility within their respective operating parameters.

Frequently Asked Questions (FAQ)

Q: Can S11MA7-P04MJG0-6560 be used as a direct replacement for PAA.M0.4GL.AC65A?

A: Yes, for applications operating at temperatures not exceeding 120°C and requiring current ratings up to 10A. Both connectors share identical 4-position solder cup configurations, push-pull fastening, PSU shell material, gold contact finish, and IP50 ingress protection. Verify your application's maximum operating temperature before substitution.

Q: What is the primary difference between these two parts?

A: The main differences are operating temperature range (LEMO: -50°C to 150°C; ODU: -50°C to 120°C) and current rating (LEMO: 8A; ODU: 10A). Both parts are mechanically and electrically compatible for 4-position circular connector applications with solder cup termination.

Q: Are both parts suitable for medical applications?

A: Yes. Both PAA.M0.4GL.AC65A and S11MA7-P04MJG0-6560 are listed for medical applications and maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings.

Q: What does the cable opening specification mean?

A: The cable opening range of 0.209" to 0.256" (5.30mm to 6.50mm) specifies the acceptable cable diameter for proper backshell seating and strain relief. Both parts support identical cable opening specifications.

Q: Are there any fastening differences between these connectors?

A: Both use push-pull fastening. The PAA.M0.4GL.AC65A specifies "Push-Pull, Detent Lock" while the S11MA7-P04MJG0-6560 specifies "Push-Pull." Verify detent lock functionality requirements for your application before substitution.

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