Würth Elektronik 831534700 Equivalent & Substitute Parts

Part Overview

The Würth Elektronik 831534700 is a 4.7 µH shielded molded inductor rated for 5.5 A continuous current with 41 mOhm DC resistance, designed for surface mount applications in the WE-MASH-I series. This component is classified as obsolete, making substitute parts necessary for new designs and ongoing production requirements. The part meets AEC-Q200 automotive qualification standards and operates across the -40°C to 125°C temperature range.

Substiute Parts

831534700

Würth ElektronikIn Stock: 893831534700 Datasheet

Current PartRFQ

MGV06034R7M-12

Laird-Signal Integrity ProductsIn Stock: 3068MGV06034R7M-12 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 831534700 is determined by the following critical parameters:

• Inductance Value: Must be 4.7 µH with ±20% tolerance
• Current Rating: Minimum 5.5 A continuous current capability
• DC Resistance: Maximum 41 mOhm to maintain equivalent power dissipation characteristics
• Saturation Current: Minimum 8 A to ensure performance margin
• Shielding: Must be shielded to maintain electromagnetic compatibility
• Surface Mount Configuration: Required for PCB assembly compatibility
• Temperature Range: Must support -40°C to 125°C operation
• Compliance Standards: AEC-Q200 qualification required for automotive applications

The Laird-Signal Integrity Products MGV06034R7M-12 meets all substitution criteria and is classified as an active product, providing long-term availability for production environments.

Parameter Comparison

Engineering Selection Recommendations

The Laird-Signal Integrity Products MGV06034R7M-12 is the qualified substitute for the obsolete Würth Elektronik 831534700. Selection is based on the following engineering factors:

Compliance and Certification: Both components maintain AEC-Q200 automotive qualification and ROHS3 compliance, ensuring regulatory alignment for automotive and industrial applications.

Electrical Performance: The MGV06034R7M-12 delivers equivalent inductance and current ratings with improved DC resistance (40 mOhm maximum versus 41 mOhm) and higher saturation current (10 A versus 8 A), providing enhanced performance margins without circuit redesign.

Temperature Operating Range: The substitute part extends the lower operating temperature limit to -55°C, offering broader environmental capability while maintaining the 125°C upper limit.

Product Availability: The MGV06034R7M-12 is classified as active with established supply chain presence, eliminating obsolescence risk associated with the original part.

Package Consideration: The MGV06034R7M-12 uses a nonstandard package configuration with dimensions of 7.30mm L × 6.70mm W × 3.40mm H (seated), compared to the original 7.00mm × 7.00mm footprint. PCB layout verification is required to confirm mechanical fit within existing design constraints.

Frequently Asked Questions (FAQ)

Q: Can the MGV06034R7M-12 be used as a direct replacement without circuit modification?

A: The MGV06034R7M-12 meets all electrical substitution criteria (inductance, current rating, saturation current, DC resistance, and temperature range). However, the nonstandard package dimensions require PCB layout verification to confirm mechanical compatibility with the original 2-SMD, J-Lead footprint.

Q: What is the significance of the improved saturation current in the substitute part?

A: The MGV06034R7M-12 provides 10 A saturation current versus 8 A in the original part. This 25% improvement in saturation margin reduces the risk of inductance collapse under transient current conditions, enhancing circuit reliability.

Q: Are both parts suitable for automotive applications?

A: Yes. Both the 831534700 and MGV06034R7M-12 carry AEC-Q200 qualification, meeting automotive industry reliability and quality standards. The substitute part's extended temperature range (-55°C to 125°C) provides additional environmental margin for demanding automotive thermal environments.

Q: What is the impact of the 1 mOhm DC resistance difference?

A: The MGV06034R7M-12 maximum DCR of 40 mOhm is 2.4% lower than the original 41 mOhm specification. This reduction decreases power dissipation and heat generation, resulting in improved thermal performance with no circuit redesign required.

Q: How should the package dimension difference be addressed in production?

A: The MGV06034R7M-12 nonstandard package (7.30mm × 6.70mm × 3.40mm) differs from the original 7.00mm × 7.00mm footprint. Verify PCB land pattern compatibility and solder reflow profile suitability before production implementation. Consult the Laird datasheet for detailed package geometry and land pattern specifications.