DC002NDC4 Pressure Sensor Equivalent & Substitute Parts

Part Overview

The DC002NDC4 is a differential pressure sensor manufactured by Honeywell Sensing and Productivity Solutions, designed for board mount applications requiring low-pressure measurement. This component features a 0.07 PSI (0.5 kPa) differential pressure range with analog voltage output (0.25 V ~ 4.25 V) and operates on a 5V supply. The sensor incorporates temperature compensation and is housed in a 4-SIP module package with barbed male tube ports (0.19" / 4.83mm).

The DC002NDC4 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production or maintenance requirements for systems utilizing this sensor.

Key Parameters

Parameter	Value
Pressure Type	Differential
Operating Pressure Range	0.07 PSI (0.5 kPa)
Output Type	Analog Voltage
Output Voltage Range	0.25 V ~ 4.25 V
Supply Voltage	5V
Accuracy	±0.25%
Port Configuration	Male - 0.19" (4.83mm) Tube, Dual
Package Type	4-SIP Module
Operating Temperature Range	-25°C ~ 85°C
Mounting Type	Through Hole
Features	Temperature Compensated

Substitute Part Grouping Explanation

Substitution eligibility for the DC002NDC4 is determined by the following critical parameters:

Pressure Measurement Capability: The substitute must support differential pressure measurement at ±0.07 PSI (±0.5 kPa) operating range.

Output Signal Compatibility: The substitute must provide analog voltage output with a voltage range compatible with the receiving circuit. The DC002NDC4 outputs 0.25 V ~ 4.25 V; substitutes with overlapping or extended output ranges are acceptable.

Supply Voltage: The substitute must operate within the 5V supply specification. Acceptable substitutes operate at 4.95V ~ 5.05V or equivalent 5V nominal supplies.

Mechanical Interface: The substitute must feature dual male barbed or barbless tube ports at 0.19" (4.8mm) nominal diameter to maintain pneumatic compatibility.

Package and Termination: The substitute must use 4-SIP module packaging with PC pin termination for through-hole board mounting.

Accuracy and Temperature Compensation: The substitute must maintain ±0.25% accuracy and include temperature compensation to preserve measurement integrity across the operating temperature range.

Parameter Comparison

Parameter	DC002NDC4	SSCSNBN002NDAA5	Compatibility Notes
Manufacturer	Honeywell Sensing and Productivity Solutions	Honeywell Sensing and Productivity Solutions	Same manufacturer ensures design consistency
Pressure Type	Differential	Differential	Identical pressure measurement type
Operating Pressure	0.07 PSI (0.5 kPa)	±0.07 PSI (±0.5 kPa)	Equivalent measurement range
Output Type	Analog Voltage	Analog Voltage	Identical output signal type
Output Voltage Range	0.25 V ~ 4.25 V	0.5 V ~ 4.5 V	Substitute range is extended; compatible with 5V logic
Supply Voltage	5V	4.95V ~ 5.05V	Substitute operates within standard 5V tolerance
Accuracy	±0.25%	±0.25%	Identical accuracy specification
Port Size	Male - 0.19" (4.83mm) Tube, Dual	Male - 0.19" (4.8mm) Tube, Dual	Nominal dimensions equivalent; mechanical compatibility confirmed
Port Style	Barbed	Barbless	Barbless design reduces insertion force; tubing compatibility maintained
Package / Case	4-SIP Module	4-SIP, Dual Ports, Same Side	Both use 4-SIP; substitute specifies port orientation
Termination Style	PC Pin	PC Pin	Identical through-hole termination
Mounting Type	Through Hole	Through Hole	Identical mounting method
Operating Temperature	-25°C ~ 85°C	-40°C ~ 85°C	Substitute has extended low-temperature range
Features	Temperature Compensated	Amplified Output, Temperature Compensated	Substitute includes amplified output in addition to temperature compensation
Maximum Pressure	3.61 PSI (24.92 kPa)	±9.76 PSI (±67.27 kPa)	Substitute has higher overpressure rating
Product Status	Obsolete	Active	Substitute is in active production
RoHS Status	RoHS Compliant	RoHS Compliant	Both meet RoHS requirements

Engineering Selection Recommendations

SSCSNBN002NDAA5 as Primary Substitute

The SSCSNBN002NDAA5 is the recommended substitute for the obsolete DC002NDC4. This determination is based on the following engineering factors:

Product Status and Availability: The SSCSNBN002NDAA5 is classified as active production, ensuring long-term component availability and supply chain continuity. The DC002NDC4 is obsolete, making substitution necessary for ongoing system support.

Functional Equivalence: Both sensors provide differential pressure measurement at 0.07 PSI (0.5 kPa) operating range with ±0.25% accuracy. The output voltage ranges are compatible: the substitute's 0.5 V ~ 4.5 V output encompasses the original 0.25 V ~ 4.25 V specification within standard 5V system tolerances.

Compliance and Certifications: Both components are RoHS Compliant and carry identical ECCN (EAR99) and HTSUS (9026.20.4000) classifications, ensuring regulatory and export compliance equivalence.

Mechanical and Electrical Interface: The 4-SIP package, PC pin termination, and through-hole mounting are identical. Dual male tube ports at 0.19" (4.8mm) maintain pneumatic interface compatibility. The barbless port design of the substitute reduces insertion force while maintaining tubing retention.

Enhanced Specifications: The SSCSNBN002NDAA5 provides extended operating temperature range (-40°C ~ 85°C versus -25°C ~ 85°C) and higher overpressure rating (±9.76 PSI versus 3.61 PSI), offering improved robustness without compromising the primary measurement function.

Supply Voltage Tolerance: The substitute operates at 4.95V ~ 5.05V, which is the standard tolerance band for 5V supplies and is fully compatible with the original 5V specification.

Frequently Asked Questions (FAQ)

Q: Can the SSCSNBN002NDAA5 directly replace the DC002NDC4 without circuit modifications?

A: Yes. Both sensors use identical 4-SIP package geometry, PC pin termination, and through-hole mounting. The output voltage ranges are compatible within standard 5V system design margins. No circuit modifications are required for direct substitution.

Q: What is the difference between barbed and barbless port styles?

A: Barbed ports feature internal ridges that grip tubing during insertion. Barbless ports have smooth internal surfaces. The SSCSNBN002NDAA5 uses barbless ports, which reduce insertion force and are suitable for applications using standard tubing. Both styles maintain pneumatic seal integrity.

Q: Does the extended output voltage range of the SSCSNBN002NDAA5 (0.5 V ~ 4.5 V) affect circuit compatibility?

A: No. The extended range is compatible with the original specification. The substitute's minimum output (0.5 V) is higher than the original minimum (0.25 V), and the maximum output (4.5 V) is higher than the original maximum (4.25 V). This provides improved signal margin in 5V logic systems.

Q: Why does the SSCSNBN002NDAA5 have a higher maximum pressure rating?

A: The SSCSNBN002NDAA5 (±9.76 PSI) has a higher overpressure rating than the DC002NDC4 (3.61 PSI). This reflects design improvements in the TruStability® SSC series and provides additional protection against transient pressure spikes. The operating pressure range (0.07 PSI) remains identical.

Q: Is the amplified output feature of the SSCSNBN002NDAA5 a functional difference?

A: The amplified output is an additional feature that enhances signal conditioning. It does not change the fundamental output voltage range or compatibility. Systems designed for the DC002NDC4 will operate correctly with the SSCSNBN002NDAA5.

Q: Are there any temperature range considerations for substitution?

A: The SSCSNBN002NDAA5 extends the low-temperature operating range to -40°C (compared to -25°C for the DC002NDC4). Both sensors maintain the same upper temperature limit of 85°C. For applications operating above -25°C, no temperature-related compatibility issues exist.

Q: What is the significance of the TruStability® SSC series designation?

A: TruStability® SSC is Honeywell's product line designation for this sensor family. The SSCSNBN002NDAA5 belongs to this series, which represents current-generation pressure sensor technology with improved specifications and active production status compared to the obsolete DC series.

Q: Are both sensors RoHS compliant?

A: Yes. Both the DC002NDC4 and SSCSNBN002NDAA5 are RoHS Compliant, meeting the Restriction of Hazardous Substances directive requirements.

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