PAB.M0.4GL.AC52Z Equivalent & Substitute Parts

Part Overview

The PAB.M0.4GL.AC52Z 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 circular connection interfaces in automotive, industrial, medical, and testing equipment environments. The part is currently active in production with 749 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across connector type, position count, termination method, shell material, contact finish, and operating specifications.

Substiute Parts

PAB.M0.4GL.AC52Z

LEMOIn Stock: 771PAB.M0.4GL.AC52Z Datasheet

Current PartRFQ

S21MC7-P04MJG0-527S

ODUIn Stock: 776S21MC7-P04MJG0-527S Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part S21MC7-P04MJG0-527S is identified as equivalent based on the following critical parameters that determine substitution validity:

• Connector type and gender: Both are plug connectors with male pins
• Position count: Both feature 4-position configurations
• Termination method: Both use solder cup termination
• Shell material: Both utilize Polysulfone (PSU)
• Contact finish: Both employ gold mating surface finish
• Fastening mechanism: Both incorporate push-pull fastening
• Ingress protection: Both meet IP50 dust protection rating
• Cable opening range: Both accommodate 0.157" ~ 0.205" (4.00mm ~ 5.20mm) cable diameters
• Insert material: Both use Polyetheretherketone (PEEK)
• Compliance: Both are ROHS3 compliant and REACH unaffected

Variations between the main part and substitute include fastening detent lock feature, orientation designation, current rating capacity, maximum operating temperature, and backshell strain relief features.

Parameter Comparison

Engineering Selection Recommendations

Both the PAB.M0.4GL.AC52Z and S21MC7-P04MJG0-527S are active production parts with ROHS3 compliance and REACH unaffected status, making them suitable for regulated applications in medical, industrial, and automotive sectors.

The PAB.M0.4GL.AC52Z supports a maximum operating temperature of 150°C and includes a detent lock fastening mechanism. The S21MC7-P04MJG0-527S operates to 120°C maximum and provides a higher current rating of 10A versus 8A, with integrated strain relief in addition to backshell features.

Selection between these parts depends on specific application requirements regarding temperature range, current capacity, and fastening security features. Both parts maintain equivalent mechanical and electrical compatibility for 4-position solder cup circular connector applications.

Frequently Asked Questions (FAQ)

Q: What makes S21MC7-P04MJG0-527S a valid substitute for PAB.M0.4GL.AC52Z?

A: Both connectors share identical critical parameters: 4-position plug configuration with male pins, solder cup termination, Polysulfone shell material, gold contact finish, IP50 ingress protection, and compatible cable opening dimensions. Both are ROHS3 compliant and REACH unaffected.

Q: Are there differences that affect compatibility?

A: Yes. The PAB.M0.4GL.AC52Z operates to 150°C with 8A current rating and includes detent lock fastening. The S21MC7-P04MJG0-527S operates to 120°C maximum with 10A current rating and includes strain relief. Application temperature requirements and current demands determine which part is appropriate.

Q: Can these connectors be used interchangeably in all applications?

A: Interchangeability depends on application-specific requirements. Both maintain equivalent mechanical mating interfaces and electrical contact characteristics. Applications requiring operation above 120°C require the PAB.M0.4GL.AC52Z. Applications requiring current above 8A require the S21MC7-P04MJG0-527S.

Q: What is the significance of the shell material specification?

A: Both parts use Polysulfone (PSU) shell material, which provides chemical resistance, dimensional stability, and mechanical strength suitable for industrial, medical, and automotive applications. This material specification is a primary substitution criterion.

Q: How do solder cup terminations affect part selection?

A: Solder cup termination allows direct wire attachment through soldering, eliminating the need for crimp contacts. Both parts employ this termination method, ensuring equivalent assembly and integration approaches.