ASDX005D44D Pressure Sensor Equivalent & Substitute Parts

Part Overview

The ASDX005D44D is a differential pressure sensor manufactured by Honeywell Sensing and Productivity Solutions, designed for board mount applications requiring analog voltage output. This component operates within a 5PSI differential pressure range with dual output channels and is housed in an 8-DIP module package with PC pin termination.

The ASDX005D44D is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this sensor.

Key Parameters

Parameter	Value
Manufacturer	Honeywell Sensing and Productivity Solutions
Series	ASDX
Pressure Type	Differential
Operating Pressure	5PSI (34.47kPa)
Output Type	Analog Voltage
Output Range	0.5 V ~ 4.5 V
Accuracy	±2%
Supply Voltage	4.75V ~ 5.25V
Port Size	Male - 0.09" (2.29mm) Tube, Dual
Port Style	Barbless
Operating Temperature	-20°C ~ 105°C
Package / Case	8-DIP Module
Termination Style	PC Pin
Mounting Type	Through Hole
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the ASDX005D44D are identified based on strict alignment with the following critical parameters:

Primary Substitution Criteria:

Manufacturer: Honeywell Sensing and Productivity Solutions
Series: ASDX
Package / Case: 8-DIP Module
Termination Style: PC Pin
Mounting Type: Through Hole
Output Type: Analog Voltage
Output Range: 0.5 V ~ 4.5 V
Supply Voltage: 4.75V ~ 5.25V
Accuracy: ±2%
Operating Temperature: -20°C ~ 105°C
RoHS Compliance: RoHS Compliant

Substitute Parts Identified:

Direct Substitute: ASDXRRX005PDAA5 maintains differential pressure type with ±5PSI operating pressure specification, equivalent output characteristics, and active product status.

Similar Substitute: ASDXRRX001PGAA5 operates within the same ASDX series with identical output range, supply voltage, accuracy, and package configuration. This part differs in pressure type (vented gauge) and operating pressure range (1PSI), making it suitable only for applications where pressure measurement requirements differ from the original specification.

Parameter Comparison

Parameter	ASDX005D44D (Main)	ASDXRRX005PDAA5 (Direct)	ASDXRRX001PGAA5 (Similar)
Manufacturer	Honeywell	Honeywell	Honeywell
Series	ASDX	ASDX	ASDX
Product Status	Obsolete	Active	Active
Pressure Type	Differential	Differential	Vented Gauge
Operating Pressure	5PSI (34.47kPa)	±5PSI (±34.47kPa)	1PSI (6.89kPa)
Maximum Pressure	20PSI (137.9kPa)	±10PSI (±68.95kPa)	2PSI (13.79kPa)
Output Type	Analog Voltage	Analog Voltage	Analog Voltage
Output Range	0.5 V ~ 4.5 V	0.5 V ~ 4.5 V	0.5 V ~ 4.5 V
Accuracy	±2%	±2%	±2%
Supply Voltage	4.75V ~ 5.25V	4.75V ~ 5.25V	4.75V ~ 5.25V
Port Size	Male - 0.09" (2.29mm) Tube, Dual	Male - 0.09" (2.31mm) Tube, Dual	Male - 0.09" (2.31mm) Tube, Dual
Port Style	Barbless	Barbless	Barbless
Operating Temperature	-20°C ~ 105°C	-20°C ~ 105°C	-20°C ~ 105°C
Package / Case	8-DIP Module	8-DIP Module	8-DIP Module
Termination Style	PC Pin	PC Pin	PC Pin
Mounting Type	Through Hole	Through Hole	Through Hole
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant
Features	Amplified Output, Temperature Compensated	Temperature Compensated	Temperature Compensated

Engineering Selection Recommendations

ASDXRRX005PDAA5 (Direct Substitute):

This part is the primary substitute for the ASDX005D44D. Both components operate within the same differential pressure measurement range and share identical electrical output characteristics. The ASDXRRX005PDAA5 carries active product status, ensuring ongoing availability and manufacturing support. All compliance certifications (RoHS, REACH, ECCN) align with the original part. The minor port size tolerance difference (2.31mm versus 2.29mm) falls within standard mechanical compatibility for barbless tube connections. This part is suitable for direct replacement in applications requiring differential pressure measurement at 5PSI operating range.

ASDXRRX001PGAA5 (Similar Substitute):

This part shares the same ASDX series platform, package configuration, and electrical output specifications as the ASDX005D44D. However, it operates as a vented gauge pressure sensor with 1PSI operating range, compared to the differential pressure measurement of the original part. This part is suitable only for applications where the measurement requirement has changed from differential to gauge pressure, or where the pressure range requirement is 1PSI or lower. Selection of this part requires confirmation that the application pressure measurement type and range are compatible with vented gauge operation.

Both substitute parts maintain RoHS compliance and carry active product status, supporting long-term supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can ASDXRRX005PDAA5 be used as a direct replacement for ASDX005D44D?

A: Yes. Both parts operate as differential pressure sensors with identical output voltage range (0.5 V ~ 4.5 V), supply voltage (4.75V ~ 5.25V), accuracy (±2%), and package configuration (8-DIP Module with PC pin termination). The ASDXRRX005PDAA5 is active product status, whereas the ASDX005D44D is obsolete. Port size tolerance is within standard mechanical compatibility for barbless tube connections.

Q: What is the key difference between ASDXRRX005PDAA5 and ASDXRRX001PGAA5?

A: The primary difference is pressure measurement type and operating range. ASDXRRX005PDAA5 measures differential pressure at ±5PSI operating range. ASDXRRX001PGAA5 measures vented gauge pressure at 1PSI operating range. Both share identical electrical output characteristics and package configuration. Selection depends on whether the application requires differential or gauge pressure measurement.

Q: Are there mechanical compatibility concerns with port size differences?

A: The ASDX005D44D specifies 0.09" (2.29mm) tube port size, while both substitute parts specify 0.09" (2.31mm). This 0.02mm tolerance difference is within standard mechanical compatibility for barbless tube connection systems and does not require design modification.

Q: Do the substitute parts maintain compliance certifications?

A: Yes. Both ASDXRRX005PDAA5 and ASDXRRX001PGAA5 are RoHS Compliant, REACH Unaffected, and classified as EAR99 under ECCN, matching the compliance profile of the ASDX005D44D.

Q: What is the significance of the "Amplified Output" feature listed for ASDX005D44D but not for the substitutes?

A: The ASDX005D44D lists "Amplified Output" as a feature, while the substitute parts list only "Temperature Compensated." Both substitute parts maintain the same output voltage range (0.5 V ~ 4.5 V) and accuracy (±2%), indicating equivalent signal conditioning. The feature description difference reflects product documentation variations rather than functional incompatibility.

Q: Which substitute part should be selected for new designs?

A: For applications requiring differential pressure measurement at 5PSI range, select ASDXRRX005PDAA5. This part carries active product status and provides the closest functional equivalence to the obsolete ASDX005D44D. ASDXRRX001PGAA5 is suitable only if application requirements have changed to vented gauge pressure measurement at 1PSI range.

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