MRMS511M Equivalent & Substitute Parts

Part Overview

The MRMS511M is a unipolar magnetoresistive magnetic switch manufactured by Murata Electronics, designed for digital switching applications requiring push-pull output. This component operates as a South Pole sensing device with temperature compensation across industrial temperature ranges. The MRMS511M is classified as obsolete, making identification of active equivalent parts essential for ongoing production and maintenance applications.

Substiute Parts

MRMS511M

Murata ElectronicsIn Stock: 4589MRMS511M Datasheet

Current PartRFQ

MRMS511M-001

Murata ElectronicsIn Stock: 1216MRMS511M-001 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MRMS511M is determined by strict alignment across the following critical parameters:

• Function: Unipolar Switch operation
• Technology: Magnetoresistive sensing
• Polarization: South Pole detection
• Sensing Range: 2mT trip threshold, 1mT release threshold
• Output Type: Push-Pull configuration
• Voltage Supply Range: 1.6V ~ 4.6V
• Current Supply Maximum: 8µA
• Operating Temperature Range: -40°C ~ 85°C
• Package / Case: SOT-23-3 Flat Leads
• Mounting Type: Surface Mount

The MRMS511M-001 qualifies as a direct substitute based on complete parameter alignment across all electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

The MRMS511M-001 is the direct equivalent for MRMS511M applications. The primary distinction is product status: MRMS511M is obsolete while MRMS511M-001 maintains active production status. MRMS511M-001 carries ROHS3 compliance certification, providing enhanced regulatory alignment for new designs and ongoing procurement. Both parts share identical electrical specifications, sensing characteristics, and physical packaging, ensuring functional interchangeability in existing circuit implementations.

Frequently Asked Questions (FAQ)

Q: Can MRMS511M-001 replace MRMS511M in existing designs? A: Yes. MRMS511M-001 provides complete electrical and mechanical compatibility with MRMS511M across all specified parameters, including voltage supply range, current consumption, sensing thresholds, output type, and SOT-23-3 package configuration.

Q: What is the primary reason to transition from MRMS511M to MRMS511M-001? A: MRMS511M is classified as obsolete. MRMS511M-001 is an active product with ongoing manufacturing support and ROHS3 compliance certification, ensuring long-term component availability and regulatory compliance.

Q: Are there any differences in sensing performance between these parts? A: No. Both parts operate with identical South Pole polarization, 2mT trip threshold, 1mT release threshold, and temperature compensation across the -40°C to 85°C operating range.

Q: Is the SOT-23-3 Flat Leads package identical for both parts? A: Yes. Both MRMS511M and MRMS511M-001 use the same SOT-23-3 Flat Leads surface mount package, enabling direct PCB layout compatibility.

Q: What is the moisture sensitivity level for these components? A: Both parts carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity restrictions for storage or handling.