CRCW08052M40FKEAC Equivalent & Substitute Parts

Part Overview

The CRCW08052M40FKEAC is a 2.4 MOhms ±1% 0.125W chip resistor manufactured by Vishay Dale in the 0805 (2012 Metric) package format. This thick film resistor is designed for general-purpose applications requiring high-value resistance with tight tolerance specifications. The part is currently active in production and maintains full inventory availability. Substitute parts are identified to provide alternative sourcing options when the primary manufacturer part becomes unavailable or when supply chain optimization is required.

Substiute Parts

CRCW08052M40FKEAC

Vishay DaleIn Stock: 725CRCW08052M40FKEAC Datasheet

Current PartRFQ

RC0805FR-072M4L

YAGEOIn Stock: 4906RC0805FR-072M4L Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CRCW08052M40FKEAC are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters:

Electrical Parameters:

• Resistance value: 2.4 MOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters:

• Package format: 0805 (2012 Metric)
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Height (seated maximum): 0.024" (0.60mm)
• Number of terminations: 2

Compliance Parameters:

• RoHS3 compliance
• Moisture Sensitivity Level 1 (Unlimited)
• REACH Unaffected status

Parts meeting all of these specifications are classified as parametric equivalents and are suitable for direct substitution in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both the CRCW08052M40FKEAC and RC0805FR-072M4L are active production parts with full regulatory compliance. Selection between these parts is based on the following factors:

CRCW08052M40FKEAC (Vishay Dale):

• Primary manufacturer specification
• ROHS3 compliant
• Moisture Sensitivity Level 1
• Current inventory: 693 pieces

RC0805FR-072M4L (YAGEO):

• Parametric equivalent substitute
• ROHS3 compliant
• Moisture Sensitivity Level 1
• Includes moisture-resistant feature designation
• Current inventory: 4,815 pieces

Both parts satisfy identical electrical specifications, mechanical dimensions, and regulatory requirements. The RC0805FR-072M4L offers higher inventory availability and includes explicit moisture-resistant characteristics. Selection should be based on supply chain requirements, inventory levels, and established qualification procedures within the design organization.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-072M4L be used as a direct replacement for CRCW08052M40FKEAC?

A: Yes. Both parts are parametric equivalents with identical resistance (2.4 MOhms), tolerance (±1%), power rating (0.125W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and 0805 package dimensions. All electrical and mechanical specifications are equivalent.

Q: Are there differences in the physical package between these parts?

A: No. Both parts use the 0805 (2012 Metric) package with identical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm) and maximum seated height of 0.024" (0.60mm). They are footprint-compatible for PCB assembly.

Q: What is the significance of the "Moisture Resistant" feature listed for the RC0805FR-072M4L?

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions. The moisture-resistant designation for the YAGEO part indicates additional protective characteristics in the composition, though both parts meet the same MSL classification.

Q: Are both parts RoHS compliant?

A: Yes. Both CRCW08052M40FKEAC and RC0805FR-072M4L are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the temperature coefficient specification and why is it important?

A: Both parts have a temperature coefficient of ±100ppm/°C, meaning the resistance value changes by a maximum of 100 parts per million for each degree Celsius change in operating temperature. This specification is critical for applications requiring stable resistance across the -55°C ~ 155°C operating range.

Q: Can these parts be used in high-temperature applications?

A: Yes. Both parts are rated for continuous operation up to 155°C, making them suitable for high-temperature circuit applications within this specification limit.

Q: What does the ±1% tolerance specification mean?

A: The ±1% tolerance indicates that the actual resistance value will be within 1% of the nominal 2.4 MOhms specification. For this part, the acceptable resistance range is 2.376 MOhms to 2.424 MOhms.