MFBA3V2012K-260-R Ferrite Bead Equivalent & Substitute Parts

Part Overview

The MFBA3V2012K-260-R is a surface-mount ferrite bead manufactured by Eaton - Electronics Division. This component provides electromagnetic interference (EMI) suppression with 26 Ohms impedance at 100 MHz in a compact 0805 (2012 Metric) package. The part is AEC-Q200 rated for automotive applications and maintains active product status with ROHS3 compliance. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the allowed specifications for this ferrite bead category.

Substiute Parts

MFBA3V2012K-260-R

Eaton - Electronics DivisionIn Stock: 796MFBA3V2012K-260-R Datasheet

Current PartRFQ

MFBA3V2012K-300-R

Eaton - Electronics DivisionIn Stock: 4969MFBA3V2012K-300-R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MFBA3V2012K-260-R is determined by strict adherence to the following parameters:

• Package / Case: 0805 (2012 Metric) — mechanical compatibility with PCB footprint and assembly equipment
• Mounting Type: Surface Mount — assembly process compatibility
• Current Rating (Max): 600mA — thermal and electrical performance envelope
• DC Resistance (DCR) (Max): 100mOhm — power dissipation characteristics
• Operating Temperature: -55°C ~ 150°C — thermal operating range
• Series: MFBA3V2012 — product family consistency
• Ratings: AEC-Q200 — automotive qualification requirement
• RoHS Status: ROHS3 Compliant — regulatory compliance

The MFBA3V2012K-300-R qualifies as a parametric equivalent because it maintains all critical parameters within the allowed specifications. The impedance value differs (30 Ohms @ 100 MHz versus 26 Ohms @ 100 MHz), which represents a variation within the ferrite bead impedance tolerance range for this series and does not disqualify substitution when circuit design permits impedance variation.

Parameter Comparison

Engineering Selection Recommendations

Both the MFBA3V2012K-260-R and MFBA3V2012K-300-R maintain active product status with identical compliance certifications. Both components are AEC-Q200 rated for automotive applications and ROHS3 compliant. Selection between these parts depends on circuit-specific impedance requirements at 100 MHz. The MFBA3V2012K-300-R offers higher inventory availability (4859 Pcs versus 732 Pcs), which may influence procurement decisions when supply chain considerations are relevant.

Frequently Asked Questions (FAQ)

Q: Can the MFBA3V2012K-300-R replace the MFBA3V2012K-260-R in all applications?

A: Substitution is valid when circuit design permits the impedance difference of 4 Ohms at 100 MHz. Both parts share identical electrical ratings, thermal characteristics, and mechanical dimensions. Verify that the higher impedance value does not exceed EMI suppression requirements for your specific application.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts use the 0805 (2012 Metric) package with identical dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm) and maximum height of 0.041" (1.05mm). PCB footprints and assembly processes are fully compatible.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both the MFBA3V2012K-260-R and MFBA3V2012K-300-R carry AEC-Q200 ratings, confirming suitability for automotive applications across the operating temperature range of -55°C to 150°C.

Q: What is the significance of the impedance difference?

A: The impedance values of 26 Ohms and 30 Ohms represent the ferrite bead's suppression characteristics at 100 MHz. The 4 Ohm difference affects EMI attenuation performance. Circuit design must confirm that the substitute part's impedance meets filtering requirements.

Q: Are there any moisture sensitivity concerns with these parts?

A: No. Both parts carry Moisture Sensitivity Level (MSL) 1 rating, indicating unlimited shelf life without moisture control requirements during storage and handling.