Omron EE-SPX843 Optical Sensor - Equivalent & Substitute Parts

Part Overview

The Omron EE-SPX843 is an optical through-beam sensor with a 0.142" (3.6mm) slotted module form factor. This Active product operates across 5V to 24V supply voltage with NPN open collector output configuration and Light-ON sensing logic. The sensor is designed for chassis mount applications in industrial automation environments. Substitute parts become necessary when addressing inventory constraints, regional availability, or specific compliance requirements while maintaining identical electrical and mechanical functionality.

Substiute Parts

EE-SPX843

Omron Automation and SafetyIn Stock: 857EE-SPX843 Datasheet

Current PartRFQ

EE-SPX840

Omron Automation and SafetyIn Stock: 856EE-SPX840 Datasheet

SimilarRFQ

EE-SPX842

Omron Automation and SafetyIn Stock: 1022EE-SPX842 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EE-SPX843 is determined by strict equivalence across the following critical parameters:

• Sensing Distance: 0.142" (3.6mm)
• Sensing Method: Through-Beam
• Output Configuration: NPN - Open Collector/Light-ON
• Voltage Supply Range: 5V ~ 24V
• Operating Temperature Range: -10°C ~ 55°C (TA)
• Mounting Type: Chassis Mount
• Package Form Factor: Module, Slotted

The substitute parts EE-SPX840 and EE-SPX842 maintain identical specifications across all these parameters, ensuring direct functional and mechanical compatibility. Both substitutes are manufactured by Omron Automation and Safety and carry Active product status.

Parameter Comparison

Engineering Selection Recommendations

All three optical sensor models—EE-SPX843, EE-SPX840, and EE-SPX842—maintain Active product status and are manufactured by Omron Automation and Safety. Selection between these parts should be based on inventory availability and compliance requirements specific to your application region.

The EE-SPX840 carries ROHS3 Compliant certification, while both EE-SPX843 and EE-SPX842 carry RoHS Compliant certification. The EE-SPX840 additionally documents REACH Unaffected status. All three parts share identical electrical performance characteristics, mechanical form factors, and environmental operating ranges. Current inventory levels are: EE-SPX843 (820 Pcs), EE-SPX840 (810 Pcs), and EE-SPX842 (1004 Pcs).

Frequently Asked Questions (FAQ)

Q: Can EE-SPX840 or EE-SPX842 be used as direct replacements for EE-SPX843?

A: Yes. Both substitute parts maintain identical sensing distance, sensing method, output configuration, supply voltage range, operating temperature range, mounting type, and package form factor. They are functionally and mechanically equivalent.

Q: Are there differences in RoHS compliance between these models?

A: EE-SPX843 and EE-SPX842 carry RoHS Compliant certification. EE-SPX840 carries ROHS3 Compliant certification. Both certifications satisfy RoHS requirements; selection depends on your specific regional or customer compliance mandates.

Q: Do all three sensors support the same voltage supply range?

A: Yes. EE-SPX843, EE-SPX840, and EE-SPX842 all operate across 5V to 24V supply voltage.

Q: What is the operating temperature range for these sensors?

A: All three models operate across -10°C to 55°C (TA).

Q: Are these sensors suitable for chassis mount applications?

A: Yes. All three models are specified for Chassis Mount installation with Module, Slotted package form factor.

Q: What is the moisture sensitivity level for these optical sensors?

A: All three models carry Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.