E3X-SD41 Equivalent & Substitute Parts

Part Overview

The E3X-SD41 is a standard sensor amplifier manufactured by Omron Automation and Safety, designed for DIN Rail mounting in fiber optic sensing applications. This part operates with a 12V to 24V supply voltage and provides PNP output with 40 mA supply current. The E3X-SD41 is classified as obsolete, making identification of functionally equivalent active alternatives necessary for ongoing system maintenance and new designs.

Substiute Parts

E3X-SD41

Omron Automation and SafetyIn Stock: 951E3X-SD41 Datasheet

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E3NX-FA41 2M

Omron Automation and SafetyIn Stock: 330474E3NX-FA41 2M Datasheet

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E3X-HD41 2M

Omron Automation and SafetyIn Stock: 1921E3X-HD41 2M Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the E3X-SD41 is determined by the following critical parameters:

• Amplifier Type: Standard
• Voltage - Supply: 12V ~ 24V range compatibility
• Output Type: PNP configuration
• Operating Temperature: -25°C ~ 55°C (TA)
• Mounting Type: DIN Rail
• Moisture Sensitivity Level: 1 (Unlimited)

Two substitute parts meet these criteria:

E3X-HD41 2M matches all critical parameters with identical voltage supply range (12V ~ 24V), PNP output type, identical operating temperature range, DIN Rail mounting, and equivalent MSL rating. This part is active and RoHS3 compliant.

E3NX-FA41 2M provides functional equivalence with expanded voltage supply range (10V ~ 30V), standard amplifier type, identical operating temperature range, and equivalent MSL rating. However, this part does not specify output type in the provided data and uses bulk packaging rather than DIN Rail mounting configuration.

Parameter Comparison

Engineering Selection Recommendations

E3X-HD41 2M is the primary substitute for E3X-SD41 applications. Both parts share identical voltage supply specifications (12V ~ 24V), PNP output configuration, operating temperature range, and DIN Rail mounting. The E3X-HD41 2M is active with RoHS3 compliance and REACH unaffected status, providing regulatory continuity. The increased supply current (60 mA versus 40 mA) represents a design enhancement. This part is suitable for direct replacement in existing E3X-SD41 installations.

E3NX-FA41 2M serves as a secondary alternative where expanded voltage supply range (10V ~ 30V) provides operational flexibility. This part is active and RoHS3 compliant but carries REACH affected status. The absence of specified output type and mounting configuration in the provided data requires verification against system requirements before selection.

Frequently Asked Questions (FAQ)

Q: Can E3X-HD41 2M directly replace E3X-SD41 in existing installations?

A: Yes. Both parts operate within the identical 12V ~ 24V supply voltage range, provide PNP output configuration, support the same operating temperature range (-25°C ~ 55°C), and mount on DIN Rail. The E3X-HD41 2M is active and RoHS3 compliant, making it suitable for direct substitution.

Q: What is the difference in supply current between E3X-SD41 and E3X-HD41 2M?

A: E3X-SD41 requires 40 mA supply current, while E3X-HD41 2M requires 60 mA. This difference must be considered in power supply design to ensure adequate current capacity.

Q: When should E3NX-FA41 2M be selected over E3X-HD41 2M?

A: E3NX-FA41 2M provides an expanded voltage supply range (10V ~ 30V) compared to E3X-HD41 2M (12V ~ 24V). Selection depends on system voltage specifications and whether the broader operating range is required. Verify output type and mounting configuration compatibility with system requirements.

Q: Are there packaging differences between these substitute parts?

A: Yes. E3X-SD41 packaging is not specified in the provided data. E3X-HD41 2M is supplied in Box packaging, while E3NX-FA41 2M is supplied in Bulk packaging. Packaging selection may affect inventory management and installation procedures.

Q: What compliance certifications apply to these substitute parts?

A: E3X-HD41 2M is RoHS3 compliant and REACH unaffected. E3NX-FA41 2M is RoHS3 compliant and REACH affected. All three parts carry EAR99 ECCN classification. Verify compliance requirements for your specific application and regulatory jurisdiction.