CMF6575K000FKBF Equivalent & Substitute Parts

Part Overview

The CMF6575K000FKBF is a 75 kOhms ±1% 1.5W through-hole axial resistor manufactured by Vishay Dale. This metal film resistor features flame retardant coating and moisture resistance, with an operating temperature range of -55°C to 175°C. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement needs.

Key Parameters

Parameter	Value
Resistance	75 kOhms
Tolerance	±1%
Power Rating	1.5W
Composition	Metal Film
Package Type	Axial
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 175°C
Features	Flame Retardant Coating, Moisture Resistant, Safety
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the CMF6575K000FKBF is determined by the following critical parameters: resistance value (75 kOhms), tolerance (±1%), composition (metal film), and package type (axial). The substitute parts are grouped into four categories based on their relationship to the main part:

Direct Equivalents maintain identical electrical specifications and physical dimensions while differing only in packaging format or product status. These parts are interchangeable in circuit applications.

Upgrade Equivalents provide improved performance characteristics, specifically enhanced temperature coefficient stability, while maintaining all other electrical and mechanical specifications.

Power Rating Variants increase the power dissipation capability above the original 1.5W specification, suitable for applications requiring higher thermal headroom.

Manufacturer Recommended Alternatives represent lower power rating options with reduced physical dimensions, applicable when circuit power requirements permit downsizing.

Parameter Comparison

Part Number	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Size (mm)	Product Status	RoHS Status
CMF6575K000FKBF	75 kOhms	±1%	1.5	±100	Axial	4.57 x 14.27	Obsolete	Non-compliant
CMF6575K000FKRE	75 kOhms	±1%	1.5	±100	Axial	4.57 x 14.27	Active	Non-compliant
CMF7075K000FKBF	75 kOhms	±1%	1.75	±100	Axial	4.57 x 14.27	Active	Non-compliant
CMF6575K000FHRE70	75 kOhms	±1%	1.5	±50	Axial	4.57 x 14.27	Active	Non-compliant
CMF6075K000FKBF	75 kOhms	±1%	1.0	±100	Axial	3.68 x 8.74	Active	Non-compliant
CMF6575K000FKEK	75 kOhms	±1%	1.5	±100	Axial	4.57 x 14.27	Active	ROHS3 Compliant

Engineering Selection Recommendations

CMF6575K000FKRE serves as the primary direct equivalent, offering identical electrical and mechanical specifications with active product status. This part differs from the main component only in packaging format (Tape & Reel versus Bulk), making it suitable for direct substitution in production environments.

CMF6575K000FHRE70 functions as an upgrade equivalent with improved temperature coefficient performance (±50ppm/°C versus ±100ppm/°C). This part is recommended for applications requiring enhanced stability across the operating temperature range while maintaining all other specifications.

CMF7075K000FKBF provides increased power dissipation capability at 1.75W, maintaining identical resistance, tolerance, and physical dimensions. This variant is applicable when circuit analysis indicates higher thermal stress than the original 1.5W specification accommodates.

CMF6075K000FKBF represents a manufacturer-recommended alternative with reduced power rating (1.0W) and smaller physical dimensions (3.68mm x 8.74mm). This option is suitable only when circuit power requirements do not exceed 1.0W and space constraints benefit from the reduced footprint.

CMF6575K000FKEK provides parametric equivalence with ROHS3 compliance, addressing regulatory requirements where RoHS compliance is mandated. All electrical and mechanical specifications remain identical to the main part.

Frequently Asked Questions (FAQ)

Q: Can CMF6575K000FKRE be used as a direct replacement for CMF6575K000FKBF?

A: Yes. CMF6575K000FKRE is electrically and mechanically identical to the main part. The only difference is packaging format: CMF6575K000FKRE is supplied in Tape & Reel format while CMF6575K000FKBF is supplied in Bulk. Both parts are suitable for direct substitution in circuit applications.

Q: What is the advantage of CMF6575K000FHRE70 over the original part?

A: CMF6575K000FHRE70 provides superior temperature stability with a temperature coefficient of ±50ppm/°C compared to ±100ppm/°C in the original part. This results in more stable resistance values across the full operating temperature range of -55°C to 175°C. All other electrical and mechanical parameters remain identical.

Q: When should CMF7075K000FKBF be selected instead of the original part?

A: CMF7075K000FKBF should be selected when circuit analysis indicates power dissipation exceeding 1.5W. This part provides 1.75W power rating while maintaining identical resistance, tolerance, and physical dimensions. Physical dimensions remain unchanged, allowing direct board-level substitution.

Q: Is CMF6075K000FKBF a suitable substitute for all applications?

A: CMF6075K000FKBF is suitable only for applications where circuit power requirements do not exceed 1.0W. This part features reduced physical dimensions (3.68mm x 8.74mm versus 4.57mm x 14.27mm), which may require board layout modifications. Electrical specifications (75 kOhms, ±1% tolerance) remain identical.

Q: What is the significance of RoHS compliance differences between substitute parts?

A: CMF6575K000FKEK is ROHS3 compliant while other substitutes remain RoHS non-compliant. Selection between compliant and non-compliant variants depends on end-product regulatory requirements and customer specifications. Electrical and mechanical performance is identical between compliant and non-compliant versions.

Q: Are all substitute parts available in the same packaging options?

A: No. CMF6575K000FKBF and CMF7075K000FKBF are supplied in Bulk packaging, while CMF6575K000FKRE and CMF6575K000FHRE70 are supplied in Tape & Reel format. CMF6075K000FKBF is supplied in Bulk. Packaging selection depends on production volume and assembly process requirements.

Q: Can CMF6575K000FKEK replace CMF6575K000FKBF in designs requiring RoHS compliance?

A: Yes. CMF6575K000FKEK provides ROHS3 compliance while maintaining identical electrical specifications (75 kOhms, ±1%, 1.5W) and physical dimensions (4.57mm x 14.27mm). This part is the appropriate selection for applications with RoHS compliance mandates.

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