MMZ2012R601AT000 Equivalent & Substitute Parts

Part Overview

The MMZ2012R601AT000 is a 600 Ohm ferrite bead signal line component manufactured by TDK Corporation in 0805 (2012 Metric) surface mount package. This part operates at 100 MHz impedance with 500mA current rating and 200mOhm maximum DC resistance. The product is designated as Last Time Buy, indicating limited availability. Equivalent and substitute parts are necessary to ensure design continuity, improve inventory availability, and provide alternative sourcing options across multiple manufacturers.

Substiute Parts

MMZ2012R601AT000

TDK CorporationIn Stock: 9397MMZ2012R601AT000 Datasheet

Current PartRFQ

MMZ1608R601ATA00

TDK CorporationIn Stock: 1293MMZ1608R601ATA00 Datasheet

MFR RecommendedRFQ

MMZ2012Y601BTD25

TDK CorporationIn Stock: 3194MMZ2012Y601BTD25 Datasheet

MFR RecommendedRFQ

MMZ2012Y601BT000

TDK CorporationIn Stock: 165444MMZ2012Y601BT000 Datasheet

Parametric EquivalentRFQ

MH2029-601Y

Bourns Inc.In Stock: 746708MH2029-601Y Datasheet

DirectRFQ

BLM21RK601SN1D

Murata ElectronicsIn Stock: 49370BLM21RK601SN1D Datasheet

MFR RecommendedRFQ

MFBW1V2012-601-R

Eaton - Electronics DivisionIn Stock: 4034MFBW1V2012-601-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Primary Matching Criteria:

• Impedance @ Frequency: 600 Ohms @ 100 MHz (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required for PCB compatibility)
• Number of Lines: 1 (exact match required)
• Mounting Type: Surface Mount (exact match required)

Secondary Compatibility Parameters:

• Current Rating (Max): Must equal or exceed 500mA
• DC Resistance (DCR) (Max): Must not exceed 200mOhm
• Operating Temperature: Must cover -55°C ~ 125°C range or equivalent
• RoHS Status: ROHS3 Compliant (regulatory requirement)

Acceptable Variations:

• Manufacturer: Different manufacturers permitted if all primary and secondary criteria are met
• Filter Type: May differ (Signal Line, Power/Signal Line, or unspecified)
• Product Status: Active status preferred over Last Time Buy for long-term availability
• Packaging Format: Cut Tape (CT) or Tape & Reel (TR) formats are interchangeable

Parameter Comparison

Engineering Selection Recommendations

Full Compatibility (Direct Substitutes):

• MMZ2012Y601BTD25 and MMZ2012Y601BT000 are parametrically equivalent to MMZ2012R601AT000, matching all critical specifications including impedance, package, current rating, and DCR. Both are TDK Corporation products with identical electrical performance.
• MH2029-601Y (Bourns Inc.) exceeds the original specification with 1A current rating while maintaining 200mOhm DCR and identical package dimensions. Active product status provides superior long-term availability.

Conditional Compatibility (Application-Dependent):

• MMZ1608R601ATA00 matches impedance and current rating but uses 0603 (1608 Metric) package, requiring PCB layout modification. DCR is 400mOhm, exceeding the 200mOhm specification. Active status supports ongoing availability.
• MFBW1V2012-601-R (Eaton) provides 1.5A current capability and 250mOhm DCR in identical 0805 package. Operating temperature range is -40°C ~ 85°C, which does not fully cover the -55°C lower limit of the original specification.

Limited Compatibility (Not Recommended):

• BLM21RK601SN1D (Murata Electronics) has 200mA maximum current rating, which is below the 500mA requirement. DCR is 300mOhm, exceeding specification. This part is suitable only for applications with reduced current demands.

Product Status Consideration: MMZ2012Y601BTD25 and MMZ2012Y601BT000 share Last Time Buy status with the original part. For designs requiring extended component availability, MH2029-601Y or MFBW1V2012-601-R with Active status are preferred alternatives.

Frequently Asked Questions (FAQ)

Q: Can MMZ1608R601ATA00 replace MMZ2012R601AT000 directly? A: No. While both are TDK 600 Ohm ferrite beads, MMZ1608R601ATA00 uses 0603 (1608 Metric) package instead of 0805 (2012 Metric), requiring PCB redesign. Additionally, its 400mOhm DCR exceeds the 200mOhm specification. This part is not a direct substitute.

Q: Is MH2029-601Y a suitable replacement? A: Yes. MH2029-601Y matches all critical parameters: 600 Ohms @ 100 MHz, 0805 package, 200mOhm DCR, and -55°C ~ 125°C operating range. It exceeds the current rating (1A vs. 500mA), providing additional design margin. Active product status ensures availability.

Q: What is the difference between MMZ2012Y601BTD25 and MMZ2012Y601BT000? A: Both are electrically and mechanically identical TDK ferrite beads with 600 Ohms @ 100 MHz, 0805 package, 500mA current rating, and 200mOhm DCR. The difference is in packaging format: BTD25 is Cut Tape, while BT000 is also Cut Tape. Both are Last Time Buy status.

Q: Can MFBW1V2012-601-R be used in all applications? A: MFBW1V2012-601-R is compatible for most applications but has a reduced operating temperature range (-40°C ~ 85°C) compared to the original (-55°C ~ 125°C). It is not suitable for applications requiring full -55°C lower temperature operation. DCR is 250mOhm, exceeding the 200mOhm specification.

Q: Why is BLM21RK601SN1D not recommended? A: BLM21RK601SN1D has 200mA maximum current rating, which is below the 500mA requirement of the original part. Its 300mOhm DCR also exceeds specification. This part is only suitable for low-current applications.

Q: Are there any compliance differences between substitutes? A: All listed substitutes are ROHS3 Compliant and REACH Unaffected, matching the original part's regulatory status. No compliance barriers exist for substitution.

Q: What packaging formats are available? A: Substitutes are available in Cut Tape (CT) and Tape & Reel (TR) formats. Both formats are functionally equivalent and interchangeable for component selection purposes.