SDP1000-L025 Equivalent & Substitute Parts

Part Overview

The SDP1000-L025 is a differential pressure sensor manufactured by Sensirion, designed for board mount applications with a measurement range of ±0.009PSI (±0.062kPa). The sensor features analog voltage output (0.25V ~ 4V), temperature compensation, and barbed male connection ports (0.2" / 5.2mm tube, dual). The product is marked as Not For New Designs, making identification of functionally equivalent alternatives essential for ongoing system support and new development initiatives.

Key Parameters

Parameter	SDP1000-L025
Manufacturer	Sensirion
Series	SDP1000
Pressure Type	Differential
Operating Pressure Range	±0.009PSI (±0.062kPa)
Output Type	Analog Voltage
Output Voltage Range	0.25V ~ 4V
Accuracy	±0.6%
Supply Voltage	4.75V ~ 5.25V
Port Size	Male - 0.2" (5.2mm) Tube, Dual
Port Style	Barbed
Operating Temperature	-10°C ~ 60°C
Package Type	Module
Product Status	Not For New Designs
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SDP1000-L025 is determined by the following critical parameters:

Pressure Type: Must be Differential
Port Configuration: Male - 0.2" (5.2mm) Tube, Dual with Barbed style
Output Type: Analog Voltage
Package Type: Module
Temperature Compensation: Required
Compliance: ROHS3 Compliant

The SDP816-500PA qualifies as a manufacturer-recommended substitute based on matching port configuration, output type, package format, and compliance certifications. However, substitution requires evaluation of pressure range compatibility and output voltage specifications relative to the application requirements.

Parameter Comparison

Parameter	SDP1000-L025	SDP816-500PA
Manufacturer	Sensirion	Sensirion AG
Series	SDP1000	SDP800
Pressure Type	Differential	Differential
Operating Pressure Range	±0.009PSI (±0.062kPa)	-0.07PSI ~ 0.07PSI (-0.5kPa ~ 0.5kPa)
Output Type	Analog Voltage	Analog Voltage
Output Voltage Range	0.25V ~ 4V	0.5V ~ 4.5V
Accuracy	±0.6%	±3%
Supply Voltage	4.75V ~ 5.25V	3V ~ 5.5V
Port Size	Male - 0.2" (5.2mm) Tube, Dual	Male - 0.2" (5.2mm) Tube, Dual
Port Style	Barbed	Barbed
Features	Temperature Compensated	Temperature Compensated
Operating Temperature	-10°C ~ 60°C	-20°C ~ 85°C
Package Type	Module	Module
Product Status	Not For New Designs	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Engineering Selection Recommendations

The SDP816-500PA is designated as the manufacturer-recommended substitute for the SDP1000-L025. Both components maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification. The SDP816-500PA carries Active product status, ensuring continued availability and support compared to the Not For New Designs status of the SDP1000-L025.

Substitution suitability depends on application-specific pressure measurement requirements. The SDP816-500PA operates across a wider pressure range (-0.07PSI ~ 0.07PSI versus ±0.009PSI) and offers extended operating temperature coverage (-20°C ~ 85°C versus -10°C ~ 60°C). The SDP816-500PA accepts a broader supply voltage range (3V ~ 5.5V versus 4.75V ~ 5.25V), providing greater design flexibility. Accuracy specification differs (±3% versus ±0.6%), and output voltage ranges vary (0.5V ~ 4.5V versus 0.25V ~ 4V).

Frequently Asked Questions (FAQ)

Q: Can the SDP816-500PA directly replace the SDP1000-L025 in existing applications?

A: Direct replacement requires verification that the application tolerates the SDP816-500PA's wider pressure measurement range, lower accuracy specification (±3% versus ±0.6%), and different output voltage range. Port configuration and package type are identical, supporting mechanical and electrical interface compatibility.

Q: What are the key differences in pressure measurement capability?

A: The SDP1000-L025 measures ±0.009PSI (±0.062kPa) with ±0.6% accuracy. The SDP816-500PA measures -0.07PSI ~ 0.07PSI (-0.5kPa ~ 0.5kPa) with ±3% accuracy. Applications requiring high-resolution measurement of very small pressure differentials may not be suitable for substitution.

Q: Are the port connections compatible?

A: Both sensors feature identical port configuration: Male - 0.2" (5.2mm) Tube, Dual with Barbed style. Pneumatic connections are mechanically compatible.

Q: What is the impact of different supply voltage ranges?

A: The SDP1000-L025 requires 4.75V ~ 5.25V supply. The SDP816-500PA accepts 3V ~ 5.5V. The SDP816-500PA offers greater flexibility for systems with variable supply voltage conditions.

Q: How do output voltage ranges differ?

A: The SDP1000-L025 outputs 0.25V ~ 4V. The SDP816-500PA outputs 0.5V ~ 4.5V. Signal conditioning circuits must accommodate these different voltage ranges for accurate pressure interpretation.

Q: Are both components RoHS and REACH compliant?

A: Both the SDP1000-L025 and SDP816-500PA are ROHS3 Compliant and REACH Unaffected, meeting regulatory requirements for electronic component use in regulated markets.

Q: What is the significance of Active versus Not For New Designs status?

A: The SDP1000-L025 is marked Not For New Designs, indicating end-of-life trajectory. The SDP816-500PA carries Active status, ensuring ongoing manufacturing support, availability, and technical documentation updates for new development projects.

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