GX-5MB-R Equivalent & Substitute Parts

Part Overview

The GX-5MB-R is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales, designed for industrial automation applications requiring short-range object detection. This sensor operates as a shielded, cylindrical M5-threaded unit with NPN-NC output configuration. The product is currently obsolete, making identification of compatible substitute components essential for system maintenance, repair, and new installations where equivalent functionality is required.

Substiute Parts

GX-5MB-R

Panasonic Industrial Automation SalesIn Stock: 735GX-5MB-R Datasheet

Current PartRFQ

GX-305M-B-N-R

Panasonic Industrial Automation SalesIn Stock: 802GX-305M-B-N-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the GX-5MB-R is determined by the following critical parameters:

• Sensor Type: Must remain inductive for electromagnetic object detection capability
• Output Configuration: NPN-NC, 3-Wire output is required for circuit compatibility
• Mechanical Form Factor: Cylinder, Threaded - M5 package ensures physical installation compatibility
• Ingress Protection: IP67 rating maintains environmental sealing requirements
• Shielding: Shielded configuration prevents electromagnetic interference
• Termination: Cable leads connection method must be preserved
• Operating Temperature Range: -25°C ~ 70°C minimum requirement for thermal compatibility
• Supply Voltage Compatibility: Substitute must operate within or encompass the 12V ~ 24V range

The GX-305M-B-N-R qualifies as a substitute because it maintains all critical parameters while offering enhanced specifications in sensing distance, response frequency, and supply voltage range.

Parameter Comparison

Engineering Selection Recommendations

The GX-305M-B-N-R is the manufacturer-recommended substitute for the obsolete GX-5MB-R. Selection of this substitute is supported by the following factors:

• Product Availability: The GX-305M-B-N-R maintains active production status, ensuring long-term supply chain reliability compared to the obsolete GX-5MB-R
• Compliance Status: Both components are RoHS compliant; the GX-305M-B-N-R carries ROHS3 certification, meeting current regulatory requirements
• Functional Equivalence: All critical electrical and mechanical parameters are maintained or enhanced
• Supply Voltage: The expanded 10V ~ 30V range of the GX-305M-B-N-R provides greater flexibility in power supply design while remaining compatible with the original 12V ~ 24V specification
• Performance Enhancement: Improved response frequency (4kHz vs. 1kHz) and extended sensing distance (0.84mm vs. 0.6mm) provide operational advantages without compromising backward compatibility

Frequently Asked Questions (FAQ)

Q: Can the GX-305M-B-N-R be used as a direct replacement for the GX-5MB-R?

A: Yes. The GX-305M-B-N-R maintains identical output type (NPN-NC, 3-Wire), mechanical form factor (M5 cylinder threaded), ingress protection (IP67), and operating temperature range. The substitute is compatible with existing circuit designs and mounting hardware.

Q: What are the differences in sensing distance between these sensors?

A: The GX-5MB-R has a sensing distance of 0.024" (0.6mm), while the GX-305M-B-N-R extends to 0.033" (0.84mm). This increased range in the substitute allows detection at slightly greater distances, which may require application verification if precise gap tolerance is critical.

Q: Is the supply voltage range compatible?

A: Yes. The GX-305M-B-N-R operates at 10V ~ 30V, which encompasses the original GX-5MB-R specification of 12V ~ 24V. Systems powered within the original voltage range will operate the substitute without modification.

Q: Does the faster response frequency of the GX-305M-B-N-R affect compatibility?

A: No. The 4kHz response frequency of the GX-305M-B-N-R is faster than the 1kHz of the GX-5MB-R, which is a performance enhancement. Faster response does not create compatibility issues in applications designed for the original 1kHz sensor.

Q: Are both sensors available in the same packaging?

A: Yes. Both the GX-5MB-R and GX-305M-B-N-R use identical mechanical packaging: Cylinder, Threaded - M5 with cable leads termination. Physical installation compatibility is maintained.

Q: What is the material difference between these sensors?

A: The GX-5MB-R body is nickel-plated brass, while the GX-305M-B-N-R body is stainless steel. Stainless steel provides enhanced corrosion resistance, making the substitute suitable for more demanding environmental conditions.

Q: Why is the GX-5MB-R obsolete?

A: The GX-5MB-R has been discontinued by Panasonic Industrial Automation Sales. The GX-305M-B-N-R represents the current-generation equivalent within the GX-300 series, offering improved specifications and ongoing manufacturing support.