ASCX15AN Pressure Sensor - Equivalent & Substitute Parts

Part Overview

The ASCX15AN is a 15 PSI absolute pressure sensor manufactured by Honeywell Sensing and Productivity Solutions. This sensor features a 0.19" male tube port, analog voltage output ranging from 0.25V to 4.75V, and operates across a temperature range of -25°C to 105°C. The device is designed for board mount applications with through-hole termination in a 6-SIP module package.

The ASCX15AN 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 pressure sensor specification.

Key Parameters

Parameter	Value
Operating Pressure	15 PSI (103.42 kPa) Absolute
Output Type	Analog Voltage
Output Range	0.25 V ~ 4.75 V
Supply Voltage	4.5V ~ 16V
Port Size	Male - 0.19" (4.8mm) Tube
Accuracy	±1%
Operating Temperature	-25°C ~ 105°C
Maximum Pressure	20 PSI (137.9 kPa)
Package Type	6-SIP Module
Mounting Type	Through Hole
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the ASCX15AN are identified based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Operating pressure: 15 PSI (103.42 kPa) absolute
Output type: Analog voltage
Output voltage range: 0.25V to 4.75V
Port size: Male 0.19" (4.8mm) tube
Pressure type: Absolute
Features: Amplified output, temperature compensated
Termination: PC pin through-hole mounting
Compliance: RoHS compliant

Substitution Categories:

The identified substitute parts fall into two categories:

Similar Manufacturer Parts (Honeywell TruStability® SSC Series): SSCDANN015PAAB5 and SSCSNBN015PAAA5 represent active product alternatives from Honeywell with identical pressure ratings and output specifications but different package configurations and enhanced accuracy specifications.
Direct Manufacturer Alternative (Amphenol All Sensors Corporation): 15 PSI-A-4V-ASCX represents an active product from an alternative manufacturer within the same ASCX series, maintaining identical pressure and output specifications with comparable electrical characteristics.

Parameter Comparison

Parameter	ASCX15AN	SSCDANN015PAAB5	SSCSNBN015PAAA5	15 PSI-A-4V-ASCX
Manufacturer	Honeywell	Honeywell	Honeywell	Amphenol All Sensors
Product Status	Obsolete	Active	Active	Active
Operating Pressure	15 PSI (103.42 kPa)	15 PSI (103.42 kPa)	15 PSI (103.42 kPa)	15 PSI (103.42 kPa)
Pressure Type	Absolute	Absolute	Absolute	Absolute
Output Type	Analog Voltage	Analog Voltage	Analog Voltage	Wheatstone Bridge
Output Range	0.25 V ~ 4.75 V	0.25 V ~ 4.75 V	0.5 V ~ 4.5 V	0.25 V ~ 4.75 V
Accuracy	±1%	±0.25%	±0.25%	±0.5%
Supply Voltage	4.5V ~ 16V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.5V ~ 5.5V
Port Size	Male - 0.19" (4.8mm)	Male - 0.19" (4.93mm)	Male - 0.19" (4.8mm) Dual	Male - 0.19" (4.8mm)
Port Style	Barbless	Barbed	Barbless	Barbless
Operating Temperature	-25°C ~ 105°C	-40°C ~ 85°C	-40°C ~ 85°C	-25°C ~ 105°C
Maximum Pressure	20 PSI (137.9 kPa)	30 PSI (206.84 kPa)	30 PSI (206.84 kPa)	45 PSI (310.26 kPa)
Package Type	6-SIP Module	8-DIP (0.524", 13.30mm)	4-SIP Dual Ports	4-SIP
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant

Engineering Selection Recommendations

SSCDANN015PAAB5 (Honeywell TruStability® SSC Series)

This substitute is an active product with identical 15 PSI absolute pressure rating and 0.25V to 4.75V output specification. The SSCDANN015PAAB5 offers improved accuracy (±0.25% versus ±1%) and higher maximum pressure rating (30 PSI versus 20 PSI). The 8-DIP package requires PCB layout modification compared to the 6-SIP original. Supply voltage range is narrower (4.75V to 5.25V). Port configuration uses barbed connection versus barbless. RoHS compliance and through-hole termination are maintained.

SSCSNBN015PAAA5 (Honeywell TruStability® SSC Series)

This substitute is an active product with identical 15 PSI absolute pressure rating. Output range is 0.5V to 4.5V, representing a 0.25V offset from the original specification. Accuracy is improved to ±0.25%. The 4-SIP package with dual ports on the same side requires significant PCB layout changes. Supply voltage range is narrower (4.75V to 5.25V). Port configuration is barbless, matching the original. RoHS compliance and through-hole termination are maintained.

15 PSI-A-4V-ASCX (Amphenol All Sensors Corporation ASCX Series)

This substitute is an active product from an alternative manufacturer within the same ASCX series. It maintains identical 15 PSI absolute pressure rating and 0.25V to 4.75V output specification. Accuracy is ±0.5%, intermediate between the original and Honeywell alternatives. The 4-SIP package requires PCB layout modification. Supply voltage range is 4.5V to 5.5V, providing broader compatibility than Honeywell alternatives. Maximum pressure rating is higher (45 PSI). Operating temperature range matches the original (-25°C to 105°C). Output type is Wheatstone Bridge rather than direct analog voltage. RoHS compliance and through-hole termination are maintained.

Frequently Asked Questions (FAQ)

Q: Can SSCDANN015PAAB5 be used as a direct replacement for ASCX15AN?

A: SSCDANN015PAAB5 matches the critical pressure and output specifications but requires PCB layout modification due to package change from 6-SIP to 8-DIP. Supply voltage range is narrower, and port connection style changes from barbless to barbed. Functional substitution is possible with design review.

Q: What is the key difference between SSCSNBN015PAAA5 and ASCX15AN?

A: Both sensors operate at 15 PSI absolute with amplified analog output and temperature compensation. SSCSNBN015PAAA5 has dual ports on the same side in a 4-SIP package versus single port in 6-SIP. Output voltage range is 0.5V to 4.5V versus 0.25V to 4.75V. Accuracy is improved to ±0.25%. Supply voltage range is restricted to 4.75V to 5.25V.

Q: Is 15 PSI-A-4V-ASCX compatible with applications designed for ASCX15AN?

A: 15 PSI-A-4V-ASCX maintains the same pressure rating, output voltage range, and operating temperature as ASCX15AN. However, output type is Wheatstone Bridge rather than direct analog voltage, requiring signal conditioning circuit review. Package is 4-SIP versus 6-SIP. Compatibility depends on circuit design flexibility.

Q: Why do substitute parts have different maximum pressure ratings?

A: Maximum pressure rating indicates the sensor's burst or damage threshold and does not affect operation at the specified 15 PSI operating pressure. Higher maximum pressure ratings (30 PSI or 45 PSI) provide additional safety margin but do not change functional output characteristics at 15 PSI.

Q: What packaging considerations apply when substituting these sensors?

A: ASCX15AN uses 6-SIP through-hole package. SSCDANN015PAAB5 uses 8-DIP package requiring different PCB footprint. SSCSNBN015PAAA5 and 15 PSI-A-4V-ASCX use 4-SIP packages. All three substitutes require PCB layout modification. Dual port configuration of SSCSNBN015PAAA5 affects mechanical installation.

Q: Are all substitute parts RoHS compliant?

A: Yes. ASCX15AN, SSCDANN015PAAB5, SSCSNBN015PAAA5, and 15 PSI-A-4V-ASCX are all RoHS compliant with MSL rating of 1 (unlimited moisture sensitivity level).

Q: Which substitute offers the best accuracy improvement?

A: SSCDANN015PAAB5 and SSCSNBN015PAAA5 both offer ±0.25% accuracy versus ±1% for ASCX15AN, representing a four-fold improvement. 15 PSI-A-4V-ASCX offers ±0.5% accuracy, a two-fold improvement.

Q: Can supply voltage differences affect substitution decisions?

A: Yes. ASCX15AN operates on 4.5V to 16V supply. SSCDANN015PAAB5 and SSCSNBN015PAAA5 require 4.75V to 5.25V, a narrower range. 15 PSI-A-4V-ASCX operates on 4.5V to 5.5V. Power supply design must accommodate the substitute's voltage requirements.

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