SX100GD2 Equivalent & Substitute Parts

Part Overview

The SX100GD2 is a pressure sensor manufactured by Honeywell Sensing and Productivity Solutions, designed for board mount applications requiring vented gauge pressure measurement at 100PSI (689.48kPa). This component features a Wheatstone Bridge output configuration with 0 mV to 150 mV output range at 5V supply, housed in a 6-DIP module package with a male barbless tube port of 0.11" (2.67mm) diameter.

The SX100GD2 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production requirements for applications utilizing this sensor specification.

Substiute Parts

SX100GD2

Honeywell Sensing and Productivity SolutionsIn Stock: 1170SX100GD2 Datasheet

Current PartRFQ

NSCDANN100PGUNV

Honeywell Sensing and Productivity SolutionsIn Stock: 1305NSCDANN100PGUNV Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SX100GD2 is based on the following critical parameters that must align between the main part and substitute candidates:

Core Compatibility Parameters:

• Pressure measurement range: 100PSI (689.48kPa) vented gauge
• Output type: Wheatstone Bridge configuration
• Sensor technology: Honeywell pressure sensor platform
• Operating temperature range: -40°C ~ 85°C
• Mounting method: Through hole, board mount applications
• Regulatory compliance: RoHS compliant

Allowable Variations:

• Package configuration (6-DIP to 8-DIP transition acceptable)
• Port size and style (0.11" barbless to 0.19" barbed acceptable)
• Output voltage range (0-150 mV to 0-86 mV acceptable with signal conditioning)
• Supply voltage range (12V fixed to 1.5V-12V variable acceptable)
• Accuracy specification (±0.5% to ±0.25% represents improvement)
• Maximum pressure rating (100PSI to 250PSI represents increased capability)

The NSCDANN100PGUNV qualifies as a substitute based on matching the core pressure measurement specification, output type, temperature range, and compliance requirements while offering enhanced performance characteristics in package density and accuracy.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: NSCDANN100PGUNV

The NSCDANN100PGUNV is the qualified substitute for the obsolete SX100GD2. Selection of this substitute is supported by the following engineering factors:

Product Status Alignment: The NSCDANN100PGUNV maintains active product status with Honeywell Sensing and Productivity Solutions, ensuring ongoing availability, technical support, and supply chain continuity. The SX100GD2 obsolete status necessitates transition to an active equivalent.

Functional Equivalence: Both sensors operate on identical pressure measurement principles (100PSI vented gauge, Wheatstone Bridge output) and maintain identical operating temperature ranges (-40°C to 85°C). The core pressure sensing functionality remains unchanged.

Regulatory Compliance: Both components maintain RoHS compliance and REACH unaffected status, satisfying regulatory requirements for equivalent component substitution in existing applications.

Performance Enhancement: The NSCDANN100PGUNV provides improved accuracy (±0.25% versus ±0.5%) and increased maximum pressure rating (250PSI versus 150PSI), representing performance advancement without functional degradation.

Integration Considerations: The transition from 6-DIP to 8-DIP package and port size increase (0.11" to 0.19") requires physical layout verification and pneumatic connection assessment. The output voltage range reduction (150 mV to 86 mV) necessitates signal conditioning circuit evaluation to maintain system calibration.

Frequently Asked Questions (FAQ)

Q: Can the NSCDANN100PGUNV directly replace the SX100GD2 without circuit modifications?

A: Direct pin-for-pin replacement is not possible due to package differences (6-DIP versus 8-DIP). Physical board layout modification is required. Additionally, the output voltage range differs (150 mV versus 86 mV), requiring signal conditioning circuit adjustment to maintain system calibration and measurement accuracy.

Q: What are the key differences in port configuration between these sensors?

A: The SX100GD2 features a 0.11" (2.67mm) male barbless tube port, while the NSCDANN100PGUNV features a 0.19" (4.93mm) male barbed tube port. The larger diameter and barbed design of the substitute provide improved pneumatic connection security. Tubing compatibility must be verified for the specific application.

Q: Are both sensors suitable for the same pressure range applications?

A: Both sensors measure 100PSI (689.48kPa) vented gauge pressure and operate across identical temperature ranges. The NSCDANN100PGUNV supports higher maximum pressure (250PSI versus 150PSI), making it suitable for applications requiring additional overpressure protection margin.

Q: What supply voltage considerations apply to the substitute?

A: The SX100GD2 requires a fixed 12V supply, while the NSCDANN100PGUNV accepts 1.5V to 12V supply voltage. This flexibility allows operation in systems with variable power supplies, though the original 12V supply remains compatible.

Q: How does the accuracy difference affect system performance?

A: The NSCDANN100PGUNV provides ±0.25% accuracy compared to the SX100GD2's ±0.5% accuracy. This represents a 50% improvement in measurement precision. System calibration procedures should account for this enhanced accuracy specification.

Q: What packaging and inventory considerations exist for this substitution?

A: The SX100GD2 is obsolete with limited remaining inventory (1079 pieces). The NSCDANN100PGUNV is an active product with established supply channels (1195 pieces in stock). Long-term design transitions should prioritize the active substitute to ensure sustained component availability.