Omron 44509-1042 Equivalent & Substitute Parts

Part Overview

The Omron 44509-1042 is an ESD5020-21 enabling switch development pushbutton switch. This component is classified as obsolete, making identification of suitable alternatives essential for ongoing system maintenance and new design implementations. The part carries an unlimited moisture sensitivity level (MSL 1) and is no longer in active production, necessitating evaluation of functionally equivalent alternatives for procurement and deployment.

Substiute Parts

44509-1042

Omron Automation and SafetyIn Stock: 72944509-1042 Datasheet

Current PartRFQ

A4EG-C000041

Omron Automation and SafetyIn Stock: 1215A4EG-C000041 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Omron 44509-1042 is determined by the following critical parameters:

• Product Type: Pushbutton switch with enabling function
• Manufacturer Consistency: Omron Automation and Safety product line
• Moisture Sensitivity Level: MSL 1 (Unlimited) compatibility
• Termination Style: Screw terminal connection
• Ingress Protection: IP66 rating (dust tight, water resistant)
• Electrical Performance: 100,000 cycle electrical life minimum
• Compliance Status: Active product status with current certifications

The substitute part A4EG-C000041 meets these core substitution criteria as an active Omron pushbutton switch with equivalent environmental protection and electrical specifications.

Parameter Comparison

Engineering Selection Recommendations

The Omron A4EG-C000041 serves as the direct substitute for the obsolete 44509-1042. Selection is justified by:

• Active Product Status: A4EG-C000041 maintains current manufacturing and support from Omron Automation and Safety
• Regulatory Compliance: ROHS3 compliant with defined REACH status, providing regulatory clarity absent in the original part
• Environmental Specifications: IP66 ingress protection and MSL 1 rating ensure equivalent environmental performance
• Electrical Specifications: 100,000 cycle electrical life supports equivalent operational requirements
• Supply Continuity: 1177 pieces in current inventory ensures procurement availability

Frequently Asked Questions (FAQ)

Q: Why is the 44509-1042 no longer available? A: The 44509-1042 is classified as obsolete and no longer in active production by Omron Automation and Safety. While limited inventory remains available (671 pieces), new designs and replacements should transition to active alternatives.

Q: What makes A4EG-C000041 a suitable substitute? A: Both components are Omron pushbutton switches with identical moisture sensitivity levels (MSL 1). The A4EG-C000041 provides screw terminal connectivity, IP66 environmental protection, and 100,000 cycle electrical life, meeting the functional requirements of enabling switch applications.

Q: Are there packaging differences between these parts? A: The 44509-1042 packaging is unspecified. The A4EG-C000041 is supplied in bulk packaging with free hanging mounting configuration.

Q: What compliance certifications apply to the substitute? A: The A4EG-C000041 is ROHS3 compliant and REACH affected, providing current regulatory compliance. The original 44509-1042 has undefined REACH status and obsolete ECCN classification.

Q: Can the A4EG-C000041 operate in the same temperature range? A: The A4EG-C000041 operates from -10°C to 55°C. The original part's operating temperature range is not specified in available documentation.