MLP0805-121 Equivalent & Substitute Parts

Part Overview

The MLP0805-121 is a single-line power line ferrite bead manufactured by Ferroxcube in 0805 (2012 Metric) surface mount package. This component provides electromagnetic interference (EMI) filtering for power distribution applications with 120 Ohms impedance at 100 MHz and supports up to 3A continuous current. The part is Active status and RoHS3 compliant. Substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Key Parameters

Parameter	Value
Impedance @ Frequency	120 Ohms @ 100 MHz
Current Rating (Max)	3A
DC Resistance (DCR) (Max)	40mOhm
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C
RoHS Status	ROHS3 Compliant
Number of Lines	1

Substitute Part Grouping Explanation

Substitute parts for the MLP0805-121 are qualified based on matching the following critical parameters:

Impedance @ Frequency: 120 Ohms @ 100 MHz
Current Rating (Max): 3A
DC Resistance (DCR) (Max): 40mOhm
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C
Number of Lines: 1
RoHS Status: ROHS3 Compliant

Both identified substitute parts (CTCB0805F-121P and CTCB0805F-121S) from Central Technologies meet all critical electrical and mechanical parameters required for direct substitution in applications designed for the MLP0805-121.

Parameter Comparison

Parameter	MLP0805-121 (Ferroxcube)	CTCB0805F-121P (Central Technologies)	CTCB0805F-121S (Central Technologies)
Impedance @ Frequency	120 Ohms @ 100 MHz	120 Ohms @ 100 MHz	120 Ohms @ 100 MHz
Current Rating (Max)	3A	3A	3A
DC Resistance (DCR) (Max)	40mOhm	40mOhm	40mOhm
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Height (Max)	0.043" (1.10mm)	0.043" (1.10mm)	0.043" (1.10mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
Number of Lines	1	1	1

Engineering Selection Recommendations

All three parts (MLP0805-121, CTCB0805F-121P, and CTCB0805F-121S) are Active status components with ROHS3 compliance. The substitute parts from Central Technologies are electrically and mechanically equivalent to the Ferroxcube original. Selection between these parts should be based on availability, lead time, and procurement requirements. Both Central Technologies substitutes carry REACH status information available upon request.

Frequently Asked Questions (FAQ)

Q: Can CTCB0805F-121P and CTCB0805F-121S be used interchangeably with MLP0805-121?

A: Yes. Both Central Technologies parts match all critical electrical parameters (120 Ohms @ 100 MHz, 3A current rating, 40mOhm DCR) and mechanical specifications (0805 package, surface mount, operating temperature range). They are direct parametric equivalents.

Q: Are there dimensional differences between the main part and substitutes?

A: The length and width dimensions show minor variation. MLP0805-121 is 0.079" L x 0.049" W (2.00mm x 1.25mm), while both Central Technologies substitutes are 0.079" L x 0.047" W (2.00mm x 1.20mm). Height is identical at 0.043" (1.10mm) for all parts. These dimensional tolerances are within standard 0805 package specifications and do not affect PCB layout or assembly compatibility.

Q: What compliance certifications apply to these parts?

A: All three parts are ROHS3 compliant. The Central Technologies substitutes have REACH status information available upon request from the manufacturer.

Q: Are there inventory considerations for these substitutes?

A: MLP0805-121 has 1035 Pcs in stock. CTCB0805F-121P has 12795 Pcs available, and CTCB0805F-121S has 7359 Pcs available. Substitute availability may support shorter lead times depending on procurement requirements.

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