LLE105100 Liquid Level Sensor - Equivalent & Substitute Parts

Part Overview

The LLE105100 is a liquid level sensor manufactured by Honeywell Sensing and Productivity Solutions, designed for push-pull high-dry output applications in panel mount configurations. This sensor operates across a temperature range of -40°C to 125°C and is compatible with voltage supplies between 5V and 12V. The product is currently classified as obsolete, making identification of functionally equivalent substitute components essential for ongoing system support and new design implementations.

Substiute Parts

LLE105100

Honeywell Sensing and Productivity SolutionsIn Stock: 1112LLE105100 Datasheet

Current PartRFQ

LLC105100

SST Sensing Ltd.In Stock: 1054LLC105100 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LLE105100 is determined by the following critical parameters:

Primary Compatibility Criteria:

• Sensor type: Liquid level detection
• Output type: Push-Pull configuration
• Operating temperature range: -40°C to 125°C (minimum requirement)
• Voltage rating: Overlap with 5V to 12V range
• Housing material: Polysulfone (PES)
• RoHS compliance status

Secondary Considerations:

• Current draw specifications
• Mounting configuration compatibility
• Output configuration (High-Dry vs. Digital)
• Moisture sensitivity classification

The LLC105100 from SST Sensing Ltd. qualifies as a substitute based on matching sensor type, push-pull output configuration, identical operating temperature range, compatible voltage rating, identical housing material, and equivalent RoHS compliance status. Differences in output configuration (Digital vs. High-Dry), mounting type (Threaded vs. Panel Mount), and current specifications are noted but do not preclude substitution in applications where these variations are acceptable.

Parameter Comparison

Engineering Selection Recommendations

For Direct Substitution:

The LLC105100 from SST Sensing Ltd. is the identified equivalent substitute for the obsolete LLE105100. Selection of this substitute is supported by:

• Identical liquid level sensor type and push-pull output configuration
• Matching operating temperature range (-40°C to 125°C)
• Compatible voltage rating with extended upper tolerance (4.5V to 15.4V vs. 5V to 12V)
• Identical housing material (Polysulfone) and moisture sensitivity classification
• Active product status with current manufacturing support
• ROHS3 compliance, meeting current regulatory requirements

Integration Considerations:

Mechanical integration requires evaluation due to mounting type difference (Panel Mount vs. Threaded). The LLC105100's threaded configuration necessitates mechanical redesign or adapter implementation in applications originally designed for panel mount installation.

Output configuration difference (High-Dry vs. Digital) requires circuit-level verification to confirm compatibility with existing signal processing and control logic.

The reduced current draw of the LLC105100 (2.5 mA vs. 5 mA) is advantageous for power budget optimization and does not present compatibility constraints.

Frequently Asked Questions (FAQ)

Q: Can the LLC105100 directly replace the LLE105100 without any modifications?

A: The LLC105100 is functionally equivalent in terms of sensor type, output type, temperature range, voltage compatibility, and material specifications. However, mechanical integration requires evaluation due to mounting type differences (Threaded vs. Panel Mount). Circuit-level verification is necessary to confirm output configuration compatibility (Digital vs. High-Dry).

Q: What are the key electrical compatibility factors?

A: The LLC105100 operates within the LLE105100's voltage range (5V to 12V falls within 4.5V to 15.4V) and draws lower current (2.5 mA vs. 5 mA). Both sensors maintain identical operating temperature ranges and moisture sensitivity classifications. Push-pull output configuration is preserved in both designs.

Q: Why is the LLE105100 listed as obsolete?

A: The LLE105100 is classified as obsolete by Honeywell Sensing and Productivity Solutions. The LLC105100 from SST Sensing Ltd. is an active product with ongoing manufacturing support, making it the recommended alternative for new designs and system maintenance.

Q: Are there compliance differences between the two parts?

A: Both parts are RoHS compliant. The LLC105100 meets the current ROHS3 standard, while the LLE105100 meets RoHS compliance. The LLC105100 is REACH Unaffected. Both carry identical ECCN classification (EAR99).

Q: What is the impact of the different mounting types?

A: The LLE105100 uses panel mount configuration, while the LLC105100 uses threaded mounting. This difference requires mechanical redesign or adapter implementation in applications originally designed for panel mount installation. Electrical functionality remains compatible.

Q: How do the current specifications affect system design?

A: The LLC105100 draws 2.5 mA compared to the LLE105100's 5 mA. This lower current consumption reduces power supply requirements and heat generation. Existing power supplies rated for 5 mA will operate the LLC105100 with improved efficiency margins.