PAA.M0.5GL.AC52Z Equivalent & Substitute Parts

Part Overview

The PAA.M0.5GL.AC52Z is a 5-position circular connector plug with male pins and solder cup termination, manufactured by LEMO. This connector is designed for applications in automotive, industrial, medical, and testing equipment environments. The part is currently listed as obsolete, making identification of equivalent and substitute parts essential for ongoing system support and component procurement.

Key Parameters

Parameter	Value
Connector Type	Plug, Male Pins
Number of Positions	5
Shell Size - Insert	M05
Termination	Solder Cup
Fastening Type	Push-Pull, Detent Lock
Shell Material	Polysulfone (PSU)
Contact Finish - Mating	Gold
Current Rating	7A
Operating Temperature	-50°C ~ 150°C
Ingress Protection	IP50 - Dust Protected
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the PAA.M0.5GL.AC52Z is determined by strict alignment of the following critical parameters:

Connector configuration: 5-position plug with male pins
Termination method: Solder cup
Shell material and size: Polysulfone (PSU) with M05 insert size
Fastening mechanism: Push-pull connection
Contact finish: Gold plating on mating surfaces
Environmental rating: IP50 ingress protection
Compliance: ROHS3 and REACH requirements
Current capacity: Minimum 7A rating
Operating temperature range: Support for -50°C to 150°C

Two substitute parts meet these criteria with documented compatibility:

PAA.M0.5GL.AC52GZ (LEMO) - Direct manufacturer upgrade with active product status
S21MA7-P05MJG0-527S (ODU MEDI-SNAP®) - Cross-manufacturer equivalent with enhanced features

Parameter Comparison

Parameter	PAA.M0.5GL.AC52Z (Main)	PAA.M0.5GL.AC52GZ (LEMO)	S21MA7-P05MJG0-527S (ODU)
Manufacturer	LEMO	LEMO	ODU
Product Status	Obsolete	Active	Active
Connector Type	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins
Number of Positions	5	5	5
Shell Size - Insert	M05	M05	1
Termination	Solder Cup	Solder Cup	Solder Cup
Fastening Type	Push-Pull, Detent Lock	Push-Pull	Push-Pull
Shell Material	Polysulfone (PSU)	Polysulfone (PSU)	Polysulfone (PSU)
Contact Finish - Mating	Gold	Gold	Gold
Color	Gray	Gray	Gray
Current Rating (Amps)	7A	7A	7.5A
Operating Temperature	-50°C ~ 150°C	-50°C ~ 150°C	-50°C ~ 120°C
Ingress Protection	IP50 - Dust Protected	IP50 - Dust Protected	IP50 - Dust Protected
Cable Opening	0.157" ~ 0.205" (4.00mm ~ 5.20mm)	0.165" ~ 0.205" (4.20mm ~ 5.20mm)	0.157" ~ 0.205" (4.00mm ~ 5.20mm)
Features	Backshell	Backshell	Backshell, Strain Relief
Shielding	Unshielded	Unshielded	Unshielded
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99

Engineering Selection Recommendations

PAA.M0.5GL.AC52GZ (LEMO) is the primary substitute for the obsolete PAA.M0.5GL.AC52Z. This part maintains identical electrical and mechanical specifications while offering active product status and current manufacturing support. The transition from the original part to this substitute requires no design modifications. Both parts are ROHS3 compliant and REACH unaffected, ensuring regulatory continuity.

S21MA7-P05MJG0-527S (ODU MEDI-SNAP®) serves as a secondary cross-manufacturer equivalent. This part meets all critical substitution parameters with the following considerations: the operating temperature maximum is reduced to 120°C (compared to 150°C in the LEMO variants), and the current rating is marginally higher at 7.5A. The ODU part includes integrated strain relief, providing enhanced mechanical durability. This option is suitable for applications where the lower temperature ceiling does not conflict with system requirements.

Both substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring compatibility with regulatory frameworks applicable to the original component.

Frequently Asked Questions (FAQ)

Q: Can PAA.M0.5GL.AC52GZ be used as a direct replacement for PAA.M0.5GL.AC52Z?

A: Yes. The PAA.M0.5GL.AC52GZ maintains identical electrical and mechanical specifications, including 5-position configuration, solder cup termination, 7A current rating, and -50°C to 150°C operating range. The primary difference is product status: the substitute is active while the original is obsolete. No design modifications are required.

Q: What is the key difference between the LEMO and ODU substitutes?

A: The PAA.M0.5GL.AC52GZ (LEMO) is the direct equivalent with identical specifications. The S21MA7-P05MJG0-527S (ODU) is a cross-manufacturer alternative with two notable differences: maximum operating temperature is 120°C instead of 150°C, and the part includes integrated strain relief. Both maintain 5-position solder cup configuration and gold contact finish.

Q: Are there temperature limitations when using the ODU substitute?

A: The S21MA7-P05MJG0-527S operates to a maximum of 120°C, compared to 150°C for the LEMO parts. Applications requiring sustained operation above 120°C must use the PAA.M0.5GL.AC52GZ or original PAA.M0.5GL.AC52Z.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. All three parts—the original PAA.M0.5GL.AC52Z, PAA.M0.5GL.AC52GZ, and S21MA7-P05MJG0-527S—are ROHS3 compliant and REACH unaffected. All carry EAR99 ECCN classification.

Q: What is the cable opening tolerance difference between substitutes?

A: The PAA.M0.5GL.AC52Z and S21MA7-P05MJG0-527S both accept cable diameters of 0.157" to 0.205" (4.00mm to 5.20mm). The PAA.M0.5GL.AC52GZ has a slightly narrower lower tolerance at 0.165" to 0.205" (4.20mm to 5.20mm). Verify cable diameter compatibility before selection.

Q: Can the fastening mechanism differences affect installation?

A: The original PAA.M0.5GL.AC52Z specifies push-pull with detent lock, while both substitutes specify push-pull only. This represents a minor functional difference in locking mechanism. Both substitutes maintain secure push-pull connection suitable for the specified applications.

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