MF72-005D20 Equivalent & Substitute Parts

Part Overview

The MF72-005D20 is an inrush current limiter manufactured by Cantherm, designed to limit inrush current in power supply circuits and other applications requiring transient current suppression. This thermistor-based component operates at 5 Ohms resistance with ±20% tolerance and supports a steady-state maximum current of 7 A. The part is Active in product status and fully compliant with RoHS3 and REACH regulations. Equivalent substitute parts are identified based on matching electrical characteristics and mechanical compatibility within the inrush current limiter category.

Substiute Parts

MF72-005D20

CanthermIn Stock: 759MF72-005D20 Datasheet

Current PartRFQ

B57364S0509M000

EPCOS - TDK ElectronicsIn Stock: 6177B57364S0509M000 Datasheet

SimilarRFQ

B57364S0509M051

EPCOS - TDK ElectronicsIn Stock: 4557B57364S0509M051 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MF72-005D20 are qualified based on the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Resistance @ 25°C: 5 Ohms (exact match required)
• Tolerance: ±20% (exact match required)
• Current - Steady State Max: Equal to or greater than 7 A
• RoHS Compliance: ROHS3 Compliant minimum

Secondary Compatibility Factors:

• Diameter and lead spacing variations are acceptable within mechanical design constraints
• Packaging format differences (Bulk vs. Cut Tape) do not affect electrical substitution
• Approval agencies and certifications enhance suitability but do not restrict substitution

The identified substitute parts B57364S0509M000 and B57364S0509M051 meet all primary criteria with enhanced current ratings (8.5 A) and improved thermal characteristics, making them direct electrical equivalents.

Parameter Comparison

Engineering Selection Recommendations

Both B57364S0509M000 and B57364S0509M051 are qualified substitutes for the MF72-005D20 based on electrical parameter equivalence. Selection between these options depends on application requirements:

B57364S0509M000 (Bulk Packaging): Suitable for high-volume manufacturing environments where components are supplied in bulk form and internal tape-and-reel conversion is performed.

B57364S0509M051 (Cut Tape Packaging): Suitable for automated pick-and-place assembly processes requiring pre-cut tape format. This variant includes REACH Affected status, requiring compliance verification in regulated supply chains.

Both substitute parts provide enhanced steady-state current ratings (8.5 A vs. 7 A), offering improved thermal margin in applications. The substitutes carry multi-agency certifications (CQC, UL, VDE), providing additional compliance documentation for regulated industries.

Mechanical dimension differences (diameter and lead spacing) require PCB layout verification to ensure physical fit within existing component footprints.

Frequently Asked Questions (FAQ)

Q: Can B57364S0509M000 and B57364S0509M051 be used interchangeably with MF72-005D20?

A: Both parts are electrical equivalents with identical resistance and tolerance specifications. Interchangeability depends on mechanical fit within the PCB footprint. The substitute parts have smaller diameter (21.00mm vs. 22.50mm) and reduced lead spacing (7.50mm vs. 10.00mm), requiring layout verification.

Q: What is the difference between B57364S0509M000 and B57364S0509M051?

A: The primary difference is packaging format. B57364S0509M000 is supplied in Bulk form, while B57364S0509M051 is supplied in Cut Tape (CT) format. Electrically, both parts are identical. B57364S0509M051 has REACH Affected status, while B57364S0509M000 is REACH Unaffected.

Q: Are the substitute parts RoHS compliant?

A: Both B57364S0509M000 and B57364S0509M051 are ROHS3 Compliant, matching the compliance status of the MF72-005D20.

Q: Do the substitute parts have higher current ratings?

A: Yes. Both substitute parts support 8.5 A steady-state maximum current, compared to 7 A for the MF72-005D20. This provides additional thermal margin in applications operating near maximum current limits.

Q: What certifications do the substitute parts carry?

A: Both B57364S0509M000 and B57364S0509M051 carry CQC, UL, and VDE certifications, providing enhanced compliance documentation for regulated applications.

Q: Can I use these parts in existing designs without PCB modification?

A: Mechanical compatibility must be verified. The substitute parts have different diameter and lead spacing dimensions. PCB footprint adjustment may be required for proper fit.