Equivalent & Substitute Parts for SX05D Pressure Sensor

Part Overview

The SX05D is a differential pressure sensor manufactured by Honeywell Sensing and Productivity Solutions, designed for board mount applications with a 5PSI (34.47kPa) differential pressure range and 0 mV ~ 75 mV output. The product is classified as obsolete, making identification of suitable substitute components necessary for ongoing system support and new design implementations. The sensor operates with a 12V supply and features a Wheatstone Bridge output configuration in a 4-SIP module package.

Substiute Parts

SX05D

Honeywell Sensing and Productivity SolutionsIn Stock: 955SX05D Datasheet

Current PartRFQ

NSCSSNN005PDUNV

Honeywell Sensing and Productivity SolutionsIn Stock: 780NSCSSNN005PDUNV Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete SX05D is based on the following critical parameters that must align between the main part and substitute components:

Pressure Measurement Capability: Both the main part and substitute must support differential pressure measurement within compatible operating ranges. The SX05D operates at 5PSI differential; substitute parts must accommodate this pressure range within their maximum pressure specification.

Output Configuration: The Wheatstone Bridge output type is fundamental to the sensor's signal conditioning architecture. Substitute parts must maintain this output configuration to ensure compatibility with existing signal processing circuits.

Package and Mounting: The 4-SIP module package with through-hole mounting is a critical mechanical constraint. Substitute parts must use identical or directly compatible packaging to ensure PCB footprint compatibility without redesign.

Electrical Supply Compatibility: The SX05D requires 12V supply. Substitute parts must either operate at 12V or support a supply voltage range that includes 12V operation.

Environmental Specifications: Operating temperature range of -40°C ~ 85°C and RoHS compliance are mandatory for equivalent substitution in regulated applications.

Parameter Comparison

Engineering Selection Recommendations

The NSCSSNN005PDUNV is a direct substitute for the obsolete SX05D based on matching pressure measurement range, output configuration, package type, and operating environment specifications. Both components are manufactured by Honeywell Sensing and Productivity Solutions and maintain RoHS compliance.

The primary engineering consideration is the output sensitivity difference: the NSCSSNN005PDUNV produces 0 mV ~ 150 mV output compared to the SX05D's 0 mV ~ 75 mV output. This doubled sensitivity requires proportional adjustment in signal conditioning or analog-to-digital conversion scaling within the receiving circuit. The substitute's improved accuracy specification (±0.25% versus ±0.5%) provides enhanced measurement precision.

The NSCSSNN005PDUNV's wider supply voltage range (1.5V ~ 12V) offers design flexibility while maintaining full compatibility at the SX05D's 12V operating point. The substitute's active product status ensures long-term availability and continued manufacturing support, addressing the obsolescence constraint of the original component.

Frequently Asked Questions (FAQ)

Q: Can the NSCSSNN005PDUNV be used as a direct pin-for-pin replacement for the SX05D?

A: Both components use identical 4-SIP module packaging with through-hole mounting, providing mechanical and electrical pin compatibility. However, the doubled output sensitivity (150 mV versus 75 mV) requires signal conditioning adjustment. The receiving circuit's amplification or analog-to-digital conversion must be recalibrated to accommodate the higher output voltage range.

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

A: The SX05D produces 0 mV ~ 75 mV output, while the NSCSSNN005PDUNV produces 0 mV ~ 150 mV output. Both operate with 5V excitation in a Wheatstone Bridge configuration. The substitute's doubled sensitivity means the same pressure differential produces twice the output voltage, requiring proportional adjustment in downstream signal processing.

Q: Are both sensors suitable for the same operating temperature range?

A: Yes. Both the SX05D and NSCSSNN005PDUNV operate across -40°C ~ 85°C, making them functionally equivalent for temperature-dependent applications.

Q: Does the NSCSSNN005PDUNV support the same 12V supply voltage as the SX05D?

A: Yes. The NSCSSNN005PDUNV supports a supply voltage range of 1.5V ~ 12V, which includes the SX05D's 12V operating point. The substitute can be powered directly from existing 12V supply circuits.

Q: What is the significance of the NSCSSNN005PDUNV's active product status?

A: Active product status indicates the component is currently manufactured and supported by Honeywell Sensing and Productivity Solutions. This ensures long-term availability, consistent quality, and continued technical support, addressing the obsolescence limitation of the SX05D.

Q: Are there any compliance or certification differences between these components?

A: Both components are RoHS compliant and carry identical ECCN (EAR99) and HTSUS (9026.20.4000) classifications. No compliance barriers exist for substitution.