CRCW080552R3FKEAC Equivalent & Substitute Parts

Part Overview

The CRCW080552R3FKEAC is a 52.3 Ohm ±1% 1/8W chip resistor manufactured by Vishay Dale in 0805 (2012 Metric) package format. This thick film resistor is designed for surface mount applications requiring precision resistance values with tight tolerance specifications. The part is currently in active production status with 955 units available in inventory. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and procurement options while maintaining electrical and mechanical compatibility.

Substiute Parts

CRCW080552R3FKEAC

Vishay DaleIn Stock: 1042CRCW080552R3FKEAC Datasheet

Current PartRFQ

CR0805-FX-52R3ELF

Bourns Inc.In Stock: 26151CR0805-FX-52R3ELF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CRCW080552R3FKEAC are qualified based on matching the following critical parameters:

• Resistance value: 52.3 Ohms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Package format: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Termination count: 2
• RoHS3 compliance
• Moisture Sensitivity Level: 1

The CR0805-FX-52R3ELF manufactured by Bourns Inc. meets all specified electrical and mechanical parameters and qualifies as a direct substitute. Both parts share identical resistance, tolerance, power rating, package dimensions, and environmental specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the CRCW080552R3FKEAC and CR0805-FX-52R3ELF are active production components with full RoHS3 compliance and REACH unaffected status. Selection between these parts may be based on:

• Availability and lead time requirements
• Supplier inventory levels and procurement channels
• Design documentation and qualification history
• Manufacturing process compatibility with existing assembly procedures

The CR0805-FX-52R3ELF includes moisture resistant features in its composition specification, which may provide additional environmental protection in specific application contexts.

Frequently Asked Questions (FAQ)

Q: Can the CR0805-FX-52R3ELF be used as a direct replacement for the CRCW080552R3FKEAC?

A: Yes. Both parts share identical electrical specifications (52.3 Ohms ±1%, 0.125W), mechanical dimensions (0805 package, 2.00mm x 1.25mm), temperature characteristics (±100ppm/°C, -55°C to 155°C operating range), and compliance certifications (RoHS3, MSL 1).

Q: Are there any package or footprint differences between these parts?

A: No. Both parts use the 0805 (2012 Metric) package format with identical dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm) and maximum seated height of 0.024" (0.60mm). PCB footprints are interchangeable.

Q: What is the significance of the moisture resistant feature in the CR0805-FX-52R3ELF?

A: The moisture resistant thick film composition in the Bourns part provides enhanced environmental protection. Both parts maintain MSL 1 (Unlimited) rating, indicating low moisture sensitivity for standard handling and storage.

Q: Are both parts suitable for the same temperature range applications?

A: Yes. Both parts operate across the identical temperature range of -55°C to 155°C with matching temperature coefficient of ±100ppm/°C.

Q: What compliance certifications apply to both parts?

A: Both parts are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8533.21.0030.