CMF552R0000FKBF Equivalent & Substitute Parts

Part Overview

The CMF552R0000FKBF is a 2 Ohm, 1/2W metal film axial through-hole resistor manufactured by Vishay Dale. This component features flame retardant coating and moisture resistance, designed for applications requiring precision resistive elements in compact form factors. The part maintains Active product status with 758 units currently in stock. Substitute parts become necessary when addressing supply chain constraints, compliance requirements, or packaging preferences while maintaining identical electrical and mechanical performance.

Substiute Parts

CMF552R0000FKBF

Vishay DaleIn Stock: 828CMF552R0000FKBF Datasheet

Current PartRFQ

CMF552R0000FKEK

Vishay DaleIn Stock: 1029CMF552R0000FKEK Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CMF552R0000FKBF is determined by strict equivalence across the following parameters:

• Resistance value: 2 Ohms
• Tolerance: ±1%
• Power rating: 0.5W (1/2W)
• Composition: Metal Film
• Package: Axial through-hole
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 175°C
• Physical dimensions: 0.090" Dia x 0.240" L
• Termination count: 2

The CMF552R0000FKEK meets all electrical and mechanical parameters required for direct substitution. Differences in product status and RoHS compliance do not affect functional interchangeability in applications where the main part specifications are met.

Parameter Comparison

Engineering Selection Recommendations

The CMF552R0000FKBF remains the primary selection for new designs due to Active product status and established supply availability. The CMF552R0000FKEK provides functional equivalence with identical electrical and mechanical specifications, making it suitable for applications where ROHS3 compliance is required. Selection between these parts should be based on compliance mandates and supply chain availability rather than performance differences, as both components deliver equivalent resistive performance across all specified operating conditions.

Frequently Asked Questions (FAQ)

Q: Can CMF552R0000FKEK replace CMF552R0000FKBF in existing designs? A: Yes. Both parts are electrically and mechanically identical across all specified parameters including resistance, tolerance, power rating, temperature coefficient, and physical dimensions. Substitution is direct.

Q: What is the significance of the RoHS compliance difference? A: The CMF552R0000FKEK is ROHS3 compliant while the CMF552R0000FKBF is RoHS non-compliant. This distinction affects regulatory compliance for applications subject to RoHS directives but does not impact electrical performance or functionality.

Q: Are the physical dimensions identical between these parts? A: Yes. Both parts share identical axial package dimensions of 0.090" Dia x 0.240" L (2.29mm x 6.10mm), ensuring PCB layout compatibility without modification.

Q: Why is CMF552R0000FKEK listed as discontinued at DiGi Electronics? A: Distributor availability status does not affect component functionality. The part remains electrically and mechanically equivalent. Inventory availability should be verified with current suppliers.

Q: What parameters must remain constant for substitution eligibility? A: Resistance (2 Ohms), tolerance (±1%), power rating (0.5W), composition (metal film), package type (axial), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 175°C), and physical dimensions must all match exactly.