T18SP6D Equivalent & Substitute Parts

Part Overview

The T18SP6D is a diffuse optical sensor manufactured by Banner Engineering Corporation, designed for 500mm (19.685") sensing distance applications with PNP output configuration. This sensor operates across a 10V to 30V supply range with a 3ms response time and features infrared (880nm) light source technology. The product is currently obsolete, making identification of compatible substitute components essential for system maintenance and replacement planning.

Substiute Parts

T18SP6D

Banner Engineering CorporationIn Stock: 1132T18SP6D Datasheet

Current PartRFQ

T18-2VPDL-2M

Banner Engineering CorporationIn Stock: 905T18-2VPDL-2M Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution compatibility for the T18SP6D is determined by the following critical parameters:

• Output Configuration: PNP - Dark-ON/Light-ON (electrical interface requirement)
• Voltage Supply Range: 10V ~ 30V (power compatibility)
• Connection Method: Cable (physical interface)
• Cable Length: 2m (installation constraint)
• Operating Temperature Range: -40°C ~ 70°C (environmental tolerance)
• Sensing Method: Diffuse (optical detection principle)
• Ingress Protection: Minimum IEC IP67 (environmental sealing)

The T18-2VPDL-2M qualifies as a substitute based on matching these core parameters. While the sensing distance (750mm vs 500mm) and response time (1.5ms vs 3ms) differ, these represent performance enhancements rather than incompatibilities. The substitute maintains identical supply voltage, output configuration, cable length, operating temperature range, connection method, and exceeds the ingress protection requirements of the original component.

Parameter Comparison

Engineering Selection Recommendations

The T18-2VPDL-2M is a direct substitute for the obsolete T18SP6D based on electrical and mechanical compatibility. Both components maintain identical supply voltage specifications (10V ~ 30V), PNP output configuration, cable length (2m), and operating temperature range (-40°C ~ 70°C). Both are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

The T18-2VPDL-2M offers enhanced performance characteristics: increased sensing distance (750mm vs 500mm) and faster response time (1.5ms vs 3ms). The substitute utilizes Red LED light source technology instead of infrared (880nm), which may require optical path verification in applications with specific wavelength dependencies. The substitute provides equivalent or superior ingress protection (IEC IP68 addition) compared to the original component.

The T18-2VPDL-2M is currently in active production status, ensuring long-term availability and supply chain continuity for replacement and new installations.

Frequently Asked Questions (FAQ)

Q: Can the T18-2VPDL-2M directly replace the T18SP6D in existing installations?

A: Yes, provided the application does not depend on the specific 500mm sensing distance or 880nm infrared wavelength. The substitute maintains identical electrical interface (PNP output), supply voltage (10V ~ 30V), cable length (2m), and operating temperature range. Verify that the increased sensing distance (750mm) and Red LED light source are compatible with your optical path and target material reflectivity.

Q: What are the key differences between these two sensors?

A: The primary differences are sensing distance (T18SP6D: 500mm vs T18-2VPDL-2M: 750mm), response time (T18SP6D: 3ms vs T18-2VPDL-2M: 1.5ms), and light source technology (T18SP6D: Infrared 880nm vs T18-2VPDL-2M: Red LED). Both maintain identical supply voltage, output configuration, cable length, and operating temperature specifications.

Q: Why is the T18SP6D obsolete?

A: The T18SP6D has been discontinued by Banner Engineering Corporation. The T18-2VPDL-2M represents the current active product line offering equivalent functionality with enhanced performance characteristics.

Q: Are there any compliance or certification differences?

A: Both components are ROHS3 compliant and REACH unaffected. The T18-2VPDL-2M provides enhanced ingress protection with IEC IP68 rating in addition to IEC IP67 and IEC IP69K, exceeding the original component's environmental sealing specifications.

Q: Will the Red LED light source work with my existing optical targets?

A: Red LED and infrared (880nm) light sources have different wavelength characteristics and may interact differently with target materials. Verify that your application's target material has adequate reflectivity for Red LED wavelength (approximately 620-630nm) before substitution.