cpm-50 / r-50

cpm-50 / r-50

MODEL:CPM-50 / R-50

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Unit : mm


hole size
Φ 0.47 /.0185”


Probe specifications CPM-50 / R-50
Recommended min. center 0.65 (.0256")
Full travel 1.5(0.059" ) / 2.0(0.078”)
Current rating 0.5A
Contact resistance 180mΩ
Spring force 30g
code for customized products

Materials and finishes
Plunger SK4, Ni plated
Barrel Phosphor bronze, Gold plated
Spring Stainless Steel

Receptacle specifications
• Materials and finishes Phosphor bronze,Gold plated


During the mounting process, the probe requires a specific hole size for proper installation. In this case, the recommended mounting hole size is Φ 0.47 /.0185". This precise hole size ensures a secure and accurate fit, allowing the probe to establish reliable electrical contact with the PCB.

The Bare Board Test Probe, specified as CPM-50/R-50, follows specific specifications to ensure accurate and consistent testing results. The recommended minimum center distance between probes is 0.65 (.0256"), providing optimal spacing between probes for effective testing and minimizing interference between neighboring probes.

The probe has a full travel distance of 1.5(0.059") or 2.0(0.078"), indicating the maximum range of motion during testing. This range allows comprehensive testing coverage and analysis of the PCB's performance, ensuring that all critical areas are thoroughly evaluated.

With a current rating of 0.5A, the probe can safely handle electrical currents up to 0.5 amperes. This current rating is suitable for low-power applications, allowing accurate testing without exceeding the probe's capabilities.

The contact resistance of the probe is specified as 180mΩ, indicating the level of resistance encountered during electrical contact. The low contact resistance ensures minimal signal loss and accurate transmission of electrical signals during the testing process.

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