CMF55402R00FKBF Equivalent & Substitute Parts

Part Overview

The CMF55402R00FKBF is a 402 Ohm, 1/2W metal film through-hole resistor manufactured by Vishay Dale. This axial component features flame retardant coating and moisture resistance, designed for applications requiring precision resistive elements in through-hole configurations. The part maintains Active product status and is currently in stock inventory. Substitute parts are identified when electrical specifications, mechanical dimensions, and packaging remain identical across manufacturing batches or packaging variants.

Substiute Parts

CMF55402R00FKBF

Vishay DaleIn Stock: 789CMF55402R00FKBF Datasheet

Current PartRFQ

CMF55402R00FKEK

Vishay DaleIn Stock: 859CMF55402R00FKEK Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CMF55402R00FKBF is determined by strict equivalence across the following parameters:

• Resistance value: 402 Ohms
• Tolerance: ±1%
• Power rating: 0.5W (1/2W)
• Composition: Metal Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 175°C
• Package type: Axial
• Physical dimensions: 0.090" Dia x 0.240" L (2.29mm x 6.10mm)
• Number of terminations: 2
• Features: Flame Retardant Coating, Moisture Resistant, Safety

The CMF55402R00FKEK represents a parametric equivalent within the CMF series, maintaining identical electrical and mechanical specifications. Differences exist only in packaging designation and regulatory compliance status.

Parameter Comparison

Engineering Selection Recommendations

Both CMF55402R00FKBF and CMF55402R00FKEK are electrically and mechanically equivalent 402 Ohm metal film resistors within the CMF series. Selection between these parts should be based on regulatory compliance requirements:

The CMF55402R00FKEK provides ROHS3 compliance, making it suitable for applications subject to RoHS3 regulations. The CMF55402R00FKBF, while RoHS non-compliant, remains suitable for applications without RoHS compliance mandates. Both parts maintain identical electrical performance, temperature characteristics, and physical dimensions, ensuring direct functional interchangeability in through-hole circuit board applications.

Frequently Asked Questions (FAQ)

Q: Are CMF55402R00FKBF and CMF55402R00FKEK electrically identical?

A: Yes. Both parts share identical resistance (402 Ohms), tolerance (±1%), power rating (0.5W), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 175°C).

Q: Can these parts be used interchangeably in PCB designs?

A: Yes. Both parts feature identical axial package dimensions (0.090" Dia x 0.240" L) and two terminations, allowing direct substitution in through-hole circuit board layouts without design modification.

Q: What is the primary difference between these substitute parts?

A: The CMF55402R00FKEK is ROHS3 compliant, while the CMF55402R00FKBF is RoHS non-compliant. All other specifications remain identical.

Q: Which part should be selected for new designs?

A: Selection depends on regulatory requirements. For applications requiring RoHS3 compliance, use CMF55402R00FKEK. For applications without RoHS compliance mandates, either part is suitable based on availability and cost considerations.

Q: Are there any temperature or environmental performance differences?

A: No. Both parts operate across the identical temperature range (-55°C to 175°C) and feature identical flame retardant coating and moisture resistance properties.