CEA-05-125UR-350 Strain Gauge Equivalent & Substitute Parts

Part Overview

The CEA-05-125UR-350 is a rectangular rosette strain gauge manufactured by Micro-Measurements (Division of Vishay Precision Group). This component features a ±5% strain range with 350 ohms resistance and is designed for multi-axis strain measurement applications. The part is currently classified as obsolete, necessitating identification of active equivalent alternatives to maintain supply chain continuity for existing designs and applications requiring this specific gauge configuration.

Substiute Parts

MMF003140

Micro-Measurements (Division of Vishay Precision Group)In Stock: 756MMF003140 Datasheet

Current PartRFQ

MMF404271

Micro-Measurements (Division of Vishay Precision Group)In Stock: 1130MMF404271 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CEA-05-125UR-350 is determined by the following critical parameters that must align between the main part and substitute alternatives:

Primary Substitution Criteria:

• Pattern Type: Rectangular Rosette configuration
• Series: CEA strain gauge series
• Strain Range: ±5% measurement capability
• Resistance: 350 ohms nominal value
• Resistance Tolerance: ±0.4% specification
• Active Dimensions: 0.125" (3.18mm) per section length and 0.060" (1.52mm) per section width
• Overall Pattern Dimensions: 0.300" (7.62mm) length and 0.560" (14.22mm) width
• Operating Temperature Range: -100 ~ 350°F (-75 ~ 175°C)
• RoHS Compliance: Required for regulatory alignment
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part MMF404271 is classified as a manufacturer-recommended equivalent based on series compatibility and functional equivalence within the CEA rectangular rosette strain gauge product line.

Parameter Comparison

Engineering Selection Recommendations

The MMF404271 is the manufacturer-recommended substitute for the obsolete CEA-05-125UR-350 strain gauge. Selection of this alternative is supported by the following engineering factors:

Product Status Alignment: The MMF404271 maintains active production status with Micro-Measurements, ensuring long-term availability and supply chain reliability compared to the obsolete CEA-05-125UR-350.

Regulatory Compliance: Both components maintain RoHS compliance certification, satisfying environmental and regulatory requirements for electronic component procurement.

Series Continuity: Both parts belong to the CEA rectangular rosette strain gauge series, ensuring functional and mechanical compatibility within existing measurement systems and data acquisition configurations.

Moisture Sensitivity Classification: Both components share MSL 1 (Unlimited) rating, indicating equivalent moisture handling and storage requirements.

Packaging Consideration: The MMF404271 is supplied in bulk packaging, which may require adjustment to existing component handling and storage procedures compared to the standard packaging of the original part.

Frequently Asked Questions (FAQ)

Q: Can MMF404271 directly replace CEA-05-125UR-350 in existing applications?

A: The MMF404271 is the manufacturer-recommended equivalent within the CEA rectangular rosette strain gauge series. Both components share identical series designation, pattern type, and compliance certifications. Verification of specific dimensional and electrical parameters against your application requirements is necessary before implementation.

Q: What is the primary reason for substitution?

A: The CEA-05-125UR-350 is classified as obsolete. The MMF404271 is an active production alternative from the same manufacturer and series, providing continued access to rectangular rosette strain gauge functionality.

Q: Are there differences in packaging between these parts?

A: The CEA-05-125UR-350 uses standard packaging, while the MMF404271 is supplied in bulk packaging. This difference may affect component handling, storage, and inventory management procedures.

Q: Do both parts meet the same compliance standards?

A: Both the CEA-05-125UR-350 and MMF404271 are RoHS compliant and share MSL 1 (Unlimited) moisture sensitivity classification, ensuring equivalent regulatory and environmental compliance.

Q: What parameters must match for successful substitution?

A: Critical matching parameters include series designation (CEA), pattern type (rectangular rosette), strain range (±5%), resistance (350 ohms), resistance tolerance (±0.4%), active dimensions, overall pattern dimensions, operating temperature range (-100 ~ 350°F), and compliance certifications.