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MMZ2012Y300BT000 Equivalent & Substitute Parts
Part Overview
The MMZ2012Y300BT000 is a 30 Ohm ferrite bead manufactured by TDK Corporation in 0805 (2012 Metric) surface mount package. This single-line signal ferrite bead operates at 100 MHz impedance with a maximum current rating of 1.5A and 50mOhm DC resistance. The part is classified as Last Time Buy, indicating limited availability. Equivalent and substitute parts are necessary to ensure design continuity, improve availability, or optimize performance characteristics within the allowed electrical and mechanical parameters.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Impedance @ 100 MHz | 30 Ohms |
| Current Rating (Max) | 1.5A |
| DC Resistance (Max) | 50mOhm |
| Package / Case | 0805 (2012 Metric) |
| Number of Lines | 1 |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the MMZ2012Y300BT000 is determined by the following critical parameters: impedance at 100 MHz (30 Ohms), package type (0805/2012 Metric), number of signal lines (1), current rating capability, DC resistance, and compliance certifications (ROHS3, REACH Unaffected). Parts are grouped into three categories based on substitution relationship type: manufacturer-recommended direct substitutes, direct manufacturer alternatives, and parametric equivalents with minor impedance or resistance variations.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Impedance @ 100 MHz | Current Rating (Max) | DC Resistance (Max) | Package / Case | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|
| MMZ2012Y300BT000 | TDK Corporation | 30 Ohms | 1.5A | 50mOhm | 0805 (2012 Metric) | Last Time Buy | Cut Tape (CT) |
| MMZ1608Y300BTA00 | TDK Corporation | 30 Ohms | 1.5A | 50mOhm | 0603 (1608 Metric) | Active | Tape & Reel (TR) |
| MMZ2012R300AT000 | TDK Corporation | 30 Ohms | 1.5A | 50mOhm | 0805 (2012 Metric) | Last Time Buy | Cut Tape (CT) |
| MH2029-300Y | Bourns Inc. | 30 Ohms | 3A | 25mOhm | 0805 (2012 Metric) | Active | Tape & Reel (TR) |
| 2508053007Y3 | Fair-Rite Products Corp. | 30 Ohms | 3A | 30mOhm | 0805 (2012 Metric) | Active | Tape & Reel (TR) |
| 74279206 | Würth Elektronik | 30 Ohms | 3A | 25mOhm | 0805 (2012 Metric) | Active | Not Specified |
| ACML-0805-260-T | Abracon LLC | 26 Ohms | 1.5A | 50mOhm | 0805 (2012 Metric) | Active | Not Specified |
| ACML-0805-310-T | Abracon LLC | 31 Ohms | 1.5A | 50mOhm | 0805 (2012 Metric) | Active | Tape & Reel (TR) |
| ACML-0805-360-T | Abracon LLC | 36 Ohms | 1.5A | 50mOhm | 0805 (2012 Metric) | Active | Tape & Reel (TR) |
Engineering Selection Recommendations
MMZ2012R300AT000 (TDK Corporation) is the direct equivalent within the same manufacturer series, maintaining identical electrical specifications and package dimensions. However, this part shares Last Time Buy status with the original part.
MMZ1608Y300BTA00 (TDK Corporation) provides an Active product status alternative from the same manufacturer with identical electrical parameters. The 0603 (1608 Metric) package is smaller and may require PCB layout modifications.
MH2029-300Y (Bourns Inc.), 2508053007Y3 (Fair-Rite Products Corp.), and 74279206 (Würth Elektronik) are Active status parts with identical 30 Ohm impedance and 0805 package. These parts feature higher current ratings (3A) and lower DC resistance (25-30mOhm), providing enhanced performance margins. All three maintain ROHS3 compliance and REACH Unaffected status.
ACML-0805-260-T, ACML-0805-310-T, and ACML-0805-360-T (Abracon LLC) are parametric equivalents with impedance variations of ±6 Ohms from the 30 Ohm specification. These parts maintain identical current rating and DC resistance to the original part and are Active status products with full compliance certifications.
Frequently Asked Questions (FAQ)
Q: Can MMZ1608Y300BTA00 replace MMZ2012Y300BT000 directly? A: Electrical parameters are identical. The 0603 (1608 Metric) package is smaller than 0805 (2012 Metric), requiring PCB footprint modification. Mechanical compatibility must be verified for your specific application.
Q: What is the advantage of MH2029-300Y over the original part? A: MH2029-300Y maintains 30 Ohm impedance and 0805 package compatibility while offering 3A current rating (versus 1.5A) and 25mOhm DC resistance (versus 50mOhm). Active product status ensures continued availability.
Q: Are Abracon ACML parts suitable substitutes? A: ACML-0805-260-T, ACML-0805-310-T, and ACML-0805-360-T provide impedance within ±6 Ohms of the 30 Ohm specification. Suitability depends on your circuit's impedance tolerance requirements. All maintain identical current rating, DC resistance, and package dimensions.
Q: Why do some substitutes have higher current ratings? A: MH2029-300Y, 2508053007Y3, and 74279206 are designed for higher current applications. Higher current rating does not affect compatibility with lower current designs; these parts operate safely at 1.5A or below.
Q: What is the difference between Cut Tape and Tape & Reel packaging? A: Cut Tape (CT) is supplied in individual strips, while Tape & Reel (TR) is supplied on continuous reels for automated assembly. Electrical and mechanical specifications are identical; packaging choice depends on assembly process requirements.
Q: Are all substitute parts ROHS3 compliant? A: All listed substitute parts are ROHS3 Compliant and REACH Unaffected, matching the original part's compliance status.
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