SX01D Pressure Sensor Equivalent & Substitute Parts

Part Overview

The SX01D is a differential pressure sensor manufactured by Honeywell Sensing and Productivity Solutions, designed for board mount applications with a 1PSI (6.89kPa) differential pressure range and 0 mV ~ 20 mV output. The device operates on a 12V supply and features a Wheatstone Bridge output configuration in a 4-SIP module package.

This part is classified as obsolete. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this sensor.

Substiute Parts

SX01D

Honeywell Sensing and Productivity SolutionsIn Stock: 967SX01D Datasheet

Current PartRFQ

NSCSSNN001PDUNV

Honeywell Sensing and Productivity SolutionsIn Stock: 1065NSCSSNN001PDUNV Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SX01D is determined by the following critical parameters:

Pressure Specification: Operating pressure range and differential pressure capability must be compatible with the application. The SX01D operates at 1PSI differential; substitute parts must support equivalent or greater pressure ranges.

Output Configuration: Both the main part and substitute must utilize Wheatstone Bridge output topology to maintain signal conditioning compatibility with existing circuitry.

Package and Mounting: The 4-SIP module package and through-hole mounting type are essential for mechanical and electrical compatibility with existing PCB designs.

Electrical Supply: The substitute must operate within the voltage supply range of the original design. The SX01D requires 12V operation.

Temperature Range: Operating temperature specifications must encompass the application environment (-40°C ~ 85°C).

Compliance Standards: RoHS compliance and regulatory certifications (REACH, ECCN) must be maintained.

The NSCSSNN001PDUNV meets these substitution criteria as an active product from the same manufacturer with compatible pressure differential measurement capability, Wheatstone Bridge output, 4-SIP package configuration, and equivalent environmental specifications.

Parameter Comparison

Engineering Selection Recommendations

The NSCSSNN001PDUNV is the appropriate substitute for the obsolete SX01D based on the following engineering criteria:

Product Availability: The SX01D is obsolete with no ongoing manufacturing. The NSCSSNN001PDUNV is an active product with current production and documented inventory availability (1040 pcs in stock).

Regulatory Compliance: Both parts maintain RoHS compliance and equivalent ECCN/HTSUS classifications, ensuring regulatory continuity for applications subject to export control or environmental compliance requirements.

Functional Compatibility: The substitute maintains identical pressure type (differential), package configuration (4-SIP module), mounting method (through-hole), and operating temperature range (-40°C ~ 85°C). The Wheatstone Bridge output topology is preserved, ensuring signal conditioning compatibility with existing analog front-end circuitry.

Performance Enhancement: The NSCSSNN001PDUNV provides improved accuracy (±0.25% versus ±0.5%) and higher output sensitivity (0 mV ~ 65 mV versus 0 mV ~ 20 mV), which may require signal conditioning adjustment but offers superior measurement resolution.

Supply Voltage Compatibility: While the SX01D requires 12V operation, the NSCSSNN001PDUNV supports a wider supply range (1.5V ~ 12V) and operates correctly at 12V, maintaining compatibility with existing power distribution.

Frequently Asked Questions (FAQ)

Q: Can the NSCSSNN001PDUNV be used as a direct replacement for the SX01D without circuit modifications?

A: The NSCSSNN001PDUNV is mechanically and electrically compatible for board-level installation. However, the output range differs (0 mV ~ 65 mV versus 0 mV ~ 20 mV). Signal conditioning circuits designed for the SX01D's 20 mV output may require adjustment to accommodate the higher 65 mV output from the substitute. Verification of analog-to-digital converter input ranges and signal amplification stages is necessary.

Q: What are the critical parameters that determine substitution eligibility?

A: Substitution eligibility is determined by: (1) differential pressure type, (2) operating pressure range compatibility (1PSI), (3) Wheatstone Bridge output configuration, (4) 4-SIP module package, (5) through-hole mounting, (6) operating temperature range (-40°C ~ 85°C), and (7) 12V supply voltage operation. All parameters must align between the original and substitute part.

Q: Does the NSCSSNN001PDUNV meet the same compliance standards as the SX01D?

A: Yes. Both parts are RoHS compliant, carry identical ECCN (EAR99) and HTSUS (9026.20.4000) classifications, and maintain equivalent regulatory status. The NSCSSNN001PDUNV is REACH unaffected, consistent with the SX01D.

Q: What is the difference in output sensitivity between these two sensors?

A: The SX01D produces 0 mV ~ 20 mV output across its 1PSI range, while the NSCSSNN001PDUNV produces 0 mV ~ 65 mV across its ±1PSI range. The NSCSSNN001PDUNV provides approximately 3.25 times higher output sensitivity, enabling finer pressure resolution but requiring compatible signal conditioning.

Q: Is the NSCSSNN001PDUNV available in the same packaging as the SX01D?

A: Both parts use 4-SIP module packages with through-hole mounting. The NSCSSNN001PDUNV is supplied in bulk packaging, while the SX01D was supplied in button packaging. The electrical and mechanical interface remains identical.

Q: What is the accuracy improvement of the NSCSSNN001PDUNV compared to the SX01D?

A: The NSCSSNN001PDUNV offers ±0.25% accuracy versus the SX01D's ±0.5% accuracy, representing a 50% improvement in measurement precision across the operating pressure range.