GX-5MB Inductive Proximity Sensor - Equivalent & Substitute Parts

Part Overview

The GX-5MB is an inductive proximity sensor manufactured by Panasonic Industrial Automation Sales, designed for non-contact detection in industrial automation applications. This M5 threaded cylinder sensor operates with NPN-NC output configuration and features a 0.6mm sensing distance with shielded construction for reliable performance in electromagnetically noisy environments.

The GX-5MB is classified as obsolete. Locating equivalent or substitute components is necessary to maintain system functionality, ensure continued availability for replacement or expansion, and support long-term production requirements.

Substiute Parts

GX-5MB
Panasonic Industrial Automation SalesIn Stock: 1232GX-5MB Datasheet
GX-5MB
Current Part
GX-305M-B-N
Panasonic Industrial Automation SalesIn Stock: 1017GX-305M-B-N Datasheet
GX-305M-B-N
MFR Recommended

Key Parameters

Parameter GX-5MB Specification
Sensor Type Inductive
Sensing Distance 0.024" (0.6mm)
Output Type NPN-NC, 3-Wire
Response Frequency 1kHz
Shielding Shielded
Voltage Supply 12V ~ 24V
Operating Temperature -25°C ~ 70°C
Ingress Protection IP67
Package / Case Cylinder, Threaded - M5
Termination Style Cable Leads
Product Status Obsolete

Substitute Part Grouping Explanation

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

Mandatory Compatibility Criteria:

  • Sensor Type: Inductive (fixed requirement)
  • Output Type: NPN-NC, 3-Wire (fixed requirement)
  • Package / Case: Cylinder, Threaded - M5 (fixed requirement)
  • Ingress Protection: IP67 (fixed requirement)
  • Termination Style: Cable Leads (fixed requirement)

Allowable Parameter Variations:

  • Sensing Distance: The substitute may exceed the original 0.6mm specification, provided the application tolerates increased detection range
  • Response Frequency: The substitute may operate at higher frequencies than the original 1kHz
  • Voltage Supply: The substitute range must encompass or exceed the original 12V ~ 24V window
  • Operating Temperature: The substitute range must encompass or exceed the original -25°C ~ 70°C window
  • Material - Body: Substitutes with alternative materials (such as stainless steel) are acceptable if mechanical and environmental requirements are met
  • Shielding: Shielded configuration is maintained

The GX-305M-B-N meets all mandatory compatibility criteria and represents the manufacturer-recommended substitute for the obsolete GX-5MB.

Parameter Comparison

Parameter GX-5MB GX-305M-B-N Compatibility Notes
Sensor Type Inductive Inductive Match
Sensing Distance 0.024" (0.6mm) 0.033" (0.84mm) Substitute has extended range; verify application tolerance
Output Type NPN-NC, 3-Wire NPN-NC, 3-Wire Match
Response Frequency 1kHz 4kHz Substitute has higher response capability
Shielding Shielded Shielded Match
Voltage Supply 12V ~ 24V 10V ~ 30V Substitute range encompasses original specification
Operating Temperature -25°C ~ 70°C -25°C ~ 70°C (TA) Match
Ingress Protection IP67 IP67 Match
Package / Case Cylinder, Threaded - M5 Cylinder, Threaded - M5 Match
Termination Style Cable Leads Cable Leads Match
Material - Body Nickel-Plated Brass Stainless Steel Substitute material offers enhanced corrosion resistance

Engineering Selection Recommendations

The GX-305M-B-N is the manufacturer-recommended substitute for the obsolete GX-5MB. Both components maintain identical mechanical form factors (M5 threaded cylinder), electrical output configurations (NPN-NC, 3-Wire), and environmental protection ratings (IP67).

The GX-305M-B-N is classified as Active product status, ensuring continued availability and support. The substitute carries ROHS3 compliance certification, meeting current regulatory requirements for electronic components in industrial applications.

The primary technical difference is the increased sensing distance (0.84mm versus 0.6mm). Applications requiring the original 0.6mm detection range must evaluate whether the extended range of the substitute introduces false triggers or detection conflicts in the target installation environment.

The GX-305M-B-N operates across a wider voltage supply window (10V ~ 30V) compared to the GX-5MB (12V ~ 24V), providing additional flexibility in power supply design. The substitute's higher response frequency (4kHz versus 1kHz) supports faster switching applications without performance degradation in standard-speed installations.

Frequently Asked Questions (FAQ)

Q: Can the GX-305M-B-N directly replace the GX-5MB in existing installations?

A: The GX-305M-B-N maintains identical mechanical mounting (M5 threaded cylinder), electrical output type (NPN-NC, 3-Wire), and environmental protection (IP67). Direct physical and electrical replacement is possible. However, the increased sensing distance (0.84mm versus 0.6mm) must be evaluated for the specific application to ensure detection behavior remains acceptable.

Q: What is the primary reason the GX-5MB is obsolete?

A: The GX-5MB is classified as obsolete by the manufacturer. The GX-305M-B-N represents the current-generation equivalent within the Panasonic GX-300 series, offering improved specifications and continued manufacturing support.

Q: Are there differences in compliance certifications between the two parts?

A: The GX-5MB carries RoHS Compliant certification. The GX-305M-B-N carries ROHS3 Compliant certification, reflecting current regulatory standards for electronic components. Both components meet industrial automation compliance requirements.

Q: How does the increased sensing distance affect application compatibility?

A: The GX-305M-B-N detects metallic objects at 0.84mm compared to the GX-5MB at 0.6mm. In applications with tight spacing or where false triggers from nearby metallic surfaces are a concern, the extended range may require repositioning or shielding adjustments. Applications with adequate clearance will experience no functional impact.

Q: Is the stainless steel body of the GX-305M-B-N compatible with environments where the GX-5MB was used?

A: Stainless steel construction provides enhanced corrosion resistance compared to nickel-plated brass. The GX-305M-B-N is suitable for all environments where the GX-5MB was deployed, with additional durability in corrosive or high-humidity conditions.

Q: What is the inventory status for these components?

A: The GX-5MB has 1137 pieces in stock (obsolete status). The GX-305M-B-N has 945 pieces in stock (active status). For new designs or long-term production requirements, the GX-305M-B-N is the recommended selection.

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