MS561101BA03-00 Equivalent & Substitute Parts

Part Overview

The MS561101BA03-00 is an absolute pressure sensor manufactured by TE Connectivity Measurement Specialties, designed for board mount applications. This 24-bit digital pressure sensor operates across a pressure range of 0.15PSI to 17.4PSI (1kPa to 120kPa) with I2C and SPI output interfaces. The component is classified as obsolete, necessitating identification of active equivalent parts to maintain design continuity and ensure ongoing component availability for production and service applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	MS561101BA03-00
Manufacturer	TE Connectivity Measurement Specialties
Base Product Number	MS5611
Product Status	Obsolete
Pressure Type	Absolute
Operating Pressure Range	0.15PSI ~ 17.4PSI (1kPa ~ 120kPa)
Output Type	I2C, SPI
Output Resolution	24-bit
Accuracy	±0.022PSI (±0.15kPa)
Supply Voltage	1.8V ~ 3.6V
Maximum Pressure	87.02PSI (600kPa)
Operating Temperature	-40°C ~ 85°C
Package Type	8-SMD
Mounting Type	Surface Mount
Termination Style	SMD (SMT) Tab
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MS561101BA03-00 is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

Pressure measurement range: 0.15PSI ~ 17.4PSI (1kPa ~ 120kPa)
Output protocol: I2C and SPI digital interfaces
Output resolution: 24-bit
Measurement accuracy: ±0.022PSI (±0.15kPa)
Supply voltage range: 1.8V ~ 3.6V
Operating temperature range: -40°C ~ 85°C

Mechanical Specifications:

Package configuration: 8-SMD
Mounting technology: Surface Mount
Termination style: SMD (SMT) Tab
Pressure type: Absolute

Regulatory & Environmental:

Moisture Sensitivity Level: 1 (Unlimited)

Parts meeting all these parameters are classified as direct substitutes. Packaging format differences (tape and reel versus bulk) do not affect functional equivalence.

Parameter Comparison

Parameter	MS561101BA03-00	MS561101BA03-50	Equivalence
Manufacturer	TE Connectivity Measurement Specialties	TE Connectivity Measurement Specialties	Identical
Base Product Number	MS5611	MS5611	Identical
Product Status	Obsolete	Active	Substitute is Active
Pressure Type	Absolute	Absolute	Identical
Operating Pressure Range	0.15PSI ~ 17.4PSI (1kPa ~ 120kPa)	0.15PSI ~ 17.4PSI (1kPa ~ 120kPa)	Identical
Output Type	I2C, SPI	I2C, SPI	Identical
Output Resolution	24-bit	24-bit	Identical
Accuracy	±0.022PSI (±0.15kPa)	±0.022PSI (±0.15kPa)	Identical
Supply Voltage	1.8V ~ 3.6V	1.8V ~ 3.6V	Identical
Maximum Pressure	87.02PSI (600kPa)	87.02PSI (600kPa)	Identical
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Identical
Package Type	8-SMD	8-SMD	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Termination Style	SMD (SMT) Tab	SMD (SMT) Tab	Identical
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical
RoHS Status	Not specified	ROHS3 Compliant	Substitute provides compliance documentation
REACH Status	Not specified	REACH Unaffected	Substitute provides compliance documentation

Engineering Selection Recommendations

The MS561101BA03-50 is the direct functional equivalent of the MS561101BA03-00. Both components share identical electrical and mechanical specifications across all critical parameters including pressure range, output protocols, resolution, accuracy, supply voltage, temperature range, and package configuration.

The primary distinction between these parts is product status and regulatory documentation. The MS561101BA03-00 is classified as obsolete, while the MS561101BA03-50 maintains active production status. The MS561101BA03-50 additionally provides explicit RoHS3 compliance and REACH unaffected status certifications, supporting regulatory requirements for new designs and manufacturing environments.

For applications currently utilizing the MS561101BA03-00, direct substitution with MS561101BA03-50 is supported without circuit modification or firmware changes. The packaging format difference (bulk versus cut tape and Digi-Reel) does not affect component functionality or performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can MS561101BA03-50 replace MS561101BA03-00 in existing designs?

A: Yes. Both components are electrically and mechanically identical across all functional parameters. No circuit redesign or software modification is required for substitution.

Q: What is the difference between MS561101BA03-00 and MS561101BA03-50?

A: The primary differences are product status and packaging format. MS561101BA03-00 is obsolete; MS561101BA03-50 is active production. MS561101BA03-50 is supplied in cut tape and Digi-Reel packaging, while MS561101BA03-00 was supplied in bulk format. Both components deliver identical performance specifications.

Q: Are there compliance differences between these parts?

A: MS561101BA03-50 provides explicit RoHS3 compliance and REACH unaffected certifications. These regulatory designations support compliance documentation requirements for new manufacturing and design initiatives.

Q: What pressure range does this sensor support?

A: The operating pressure range is 0.15PSI to 17.4PSI (1kPa to 120kPa) absolute. The maximum pressure rating is 87.02PSI (600kPa).

Q: What digital output protocols are supported?

A: Both I2C and SPI serial communication protocols are supported with 24-bit output resolution.

Q: What supply voltage is required?

A: The sensor operates across a supply voltage range of 1.8V to 3.6V, supporting both 3.3V and lower voltage logic systems.

Q: What is the measurement accuracy?

A: Accuracy is specified as ±0.022PSI or ±0.15kPa across the operating pressure range.

Q: What is the operating temperature range?

A: The sensor operates across -40°C to 85°C, supporting industrial and extended temperature applications.

Q: Is this component suitable for surface mount assembly?

A: Yes. The component is configured as an 8-SMD package with SMD (SMT) tab termination for surface mount board assembly.

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