Honeywell XPX15DT Pressure Sensor: Equivalent & Substitute Parts

Part Overview

The Honeywell XPX15DT is a differential pressure sensor designed for board mount applications, featuring a 15PSI (103.42kPa) operating pressure range with Wheatstone Bridge output. The sensor delivers 0 mV to 262.5 mV output across a 5V supply range of 3V to 12V, with ±1% accuracy and through-hole mounting in a 4-SIP module package.

The XPX15DT is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support legacy system maintenance where original components are no longer available.

Substiute Parts

XPX15DT

Honeywell Sensing and Productivity SolutionsIn Stock: 671XPX15DT Datasheet

Current PartRFQ

NSCSSNN015PDUNV

Honeywell Sensing and Productivity SolutionsIn Stock: 904NSCSSNN015PDUNV Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the XPX15DT is determined by the following critical parameters:

Pressure Specification Compatibility: The substitute part must support differential pressure measurement at ±15PSI (±103.42kPa) operating range. The XPX15DT operates at 15PSI differential; the NSCSSNN015PDUNV operates at ±15PSI differential, providing equivalent pressure measurement capability.

Output Type and Signal Characteristics: Both parts utilize Wheatstone Bridge output topology, ensuring signal conditioning compatibility with existing measurement circuits.

Package and Mounting: Both parts are housed in 4-SIP module packages with through-hole mounting, enabling direct physical replacement on printed circuit boards.

Electrical Supply Range: The XPX15DT requires 3V to 12V supply; the NSCSSNN015PDUNV accepts 1.5V to 12V supply, providing broader supply compatibility.

Compliance and Certification: Both parts are RoHS Compliant with MSL 1 (Unlimited) moisture sensitivity rating, meeting identical regulatory requirements.

Parameter Comparison

Engineering Selection Recommendations

The NSCSSNN015PDUNV is an active production substitute for the obsolete XPX15DT. Both sensors are manufactured by Honeywell Sensing and Productivity Solutions and share identical package, mounting, and compliance certifications.

Product Status Advantage: The NSCSSNN015PDUNV is in active production status, ensuring long-term availability and supply chain continuity compared to the obsolete XPX15DT.

Accuracy Enhancement: The NSCSSNN015PDUNV provides ±0.25% accuracy versus the XPX15DT's ±1% accuracy, representing a four-fold improvement in measurement precision.

Supply Voltage Flexibility: The NSCSSNN015PDUNV operates across 1.5V to 12V, compared to the XPX15DT's 3V to 12V range, enabling operation in lower-voltage applications.

Temperature Range Extension: The NSCSSNN015PDUNV supports -40°C to 85°C operation, extending the lower temperature limit by 15°C compared to the XPX15DT.

Output Signal Consideration: The NSCSSNN015PDUNV output range is 0 mV to 155 mV versus the XPX15DT's 0 mV to 262.5 mV. Circuit signal conditioning must be evaluated for compatibility with the reduced output span.

Frequently Asked Questions (FAQ)

Q: Can the NSCSSNN015PDUNV directly replace the XPX15DT without circuit modifications?

A: Physical replacement is possible due to identical 4-SIP package and through-hole mounting. However, the output signal range differs (155 mV versus 262.5 mV), requiring evaluation of signal conditioning circuits and analog-to-digital converter input ranges to ensure measurement accuracy.

Q: What is the primary reason for substitution?

A: The XPX15DT is obsolete. The NSCSSNN015PDUNV is an active production equivalent from the same manufacturer, providing continued availability and improved specifications.

Q: Are both sensors RoHS compliant?

A: Yes. Both the XPX15DT and NSCSSNN015PDUNV are RoHS Compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: How do the pressure specifications compare?

A: Both sensors measure differential pressure at 15PSI operating range. The XPX15DT specifies 15PSI with 45PSI maximum; the NSCSSNN015PDUNV specifies ±15PSI with ±30PSI maximum. The ± notation indicates bidirectional pressure measurement capability.

Q: What supply voltage range should be used?

A: The NSCSSNN015PDUNV accepts 1.5V to 12V. If the original design used 3V to 12V, the substitute part is fully compatible. Lower voltage operation (1.5V to 3V) is available with the substitute but was not possible with the XPX15DT.

Q: Does accuracy improvement affect circuit design?

A: The NSCSSNN015PDUNV's ±0.25% accuracy is superior to the XPX15DT's ±1% accuracy. Existing measurement circuits will function correctly; improved accuracy may reduce calibration requirements in some applications.