IMM2684P Inductive Proximity Sensor - Equivalent & Substitute Parts

Part Overview

The IMM2684P is a cylindrical inductive proximity sensor manufactured by Crouzet, designed for non-contact detection of metallic objects at a 4mm sensing distance. This sensor features NPN-NC output configuration with 3-wire connectivity and operates across a 10V to 30V supply voltage range. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and component sourcing in applications where this sensor is currently deployed.

Substiute Parts

IMM2684P

CrouzetIn Stock: 997IMM2684P Datasheet

Current PartRFQ

E2B-S08KN04-MC-C2

Omron Automation and SafetyIn Stock: 1044E2B-S08KN04-MC-C2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The E2B-S08KN04-MC-C2 from Omron Automation and Safety qualifies as a direct functional equivalent based on the following critical parameters:

Matching Electrical Specifications:

• Sensor Type: Inductive (identical detection principle)
• Sensing Distance: 0.157" (4mm) (identical detection range)
• Output Type: NPN-NC, 3-Wire (identical signal configuration)
• Voltage - Supply: 10V ~ 30V (identical operating voltage)
• Operating Temperature: -25°C ~ 70°C (identical thermal range)

Matching Mechanical Specifications:

• Package / Case: Cylinder, Threaded - M8 (identical form factor and mounting interface)
• Termination Style: Connector (identical connection method)
• Ingress Protection: IP67 (identical environmental sealing)

Compliance Alignment:

• RoHS Status: Both parts meet RoHS requirements
• ECCN: EAR99 (identical export classification)
• HTSUS: 8543.70.9860 (identical tariff classification)

Parameter Comparison

Engineering Selection Recommendations

The E2B-S08KN04-MC-C2 is the appropriate substitute for the obsolete IMM2684P based on the following factors:

Functional Equivalence: All critical electrical and mechanical parameters align precisely, ensuring direct replacement capability in existing circuit designs and mechanical assemblies without modification.

Compliance Status: The substitute part maintains RoHS3 compliance, exceeding the RoHS compliance of the original part. Both components share identical export and tariff classifications, simplifying procurement and regulatory documentation.

Product Availability: The E2B-S08KN04-MC-C2 maintains active product status with confirmed inventory availability, addressing the sourcing challenge created by the IMM2684P's obsolete classification.

Material Consideration: The substitute features stainless steel body construction compared to the original nickel-plated brass, providing enhanced corrosion resistance in demanding environmental applications.

Frequently Asked Questions (FAQ)

Q: Can the E2B-S08KN04-MC-C2 directly replace the IMM2684P without circuit modifications?

A: Yes. Both sensors share identical electrical specifications (NPN-NC output, 10V–30V supply, 4mm sensing distance) and mechanical form factor (M8 threaded cylinder with connector termination). Direct substitution is possible without circuit redesign.

Q: Are there differences in response frequency between these sensors?

A: The IMM2684P does not specify response frequency in the provided data. The E2B-S08KN04-MC-C2 specifies 1kHz response frequency. This parameter should be evaluated against application switching speed requirements.

Q: What is the significance of the material difference (nickel-plated brass vs. stainless steel)?

A: Stainless steel construction in the E2B-S08KN04-MC-C2 provides superior corrosion resistance, particularly in humid, saline, or chemically aggressive environments. Nickel-plated brass offers adequate protection for standard industrial conditions. Material selection should align with the specific environmental exposure of the application.

Q: Do both sensors support the same mounting interface?

A: Yes. Both sensors use M8 threaded cylinder packaging with connector termination, ensuring mechanical and electrical compatibility with existing mounting hardware and wiring infrastructure.

Q: Is the LED indicator present on both sensors?

A: Yes. Both the IMM2684P and E2B-S08KN04-MC-C2 include LED indicators for operational status visualization.

Q: What is the difference between RoHS and ROHS3 compliance?

A: ROHS3 represents the current regulatory standard with expanded substance restrictions compared to earlier RoHS versions. The E2B-S08KN04-MC-C2's ROHS3 compliance ensures alignment with current and future regulatory requirements.