CSR0805FKR470 Equivalent & Substitute Parts

Part Overview

The CSR0805FKR470 is a 470 mOhms ±1% 0.25W thick film chip resistor in 0805 (2012 Metric) package manufactured by Stackpole Electronics Inc. This current sense resistor is designed for precision measurement applications requiring low resistance values with tight tolerance specifications. The part is actively produced and widely available, with 694 units in current inventory. Substitute parts are identified when equivalent electrical and mechanical specifications are required for design flexibility, supply chain continuity, or application-specific certifications.

Substiute Parts

CSR0805FKR470

Stackpole Electronics IncIn Stock: 765CSR0805FKR470 Datasheet

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RCWE0805R470FKEA

Vishay DaleIn Stock: 7706RCWE0805R470FKEA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CSR0805FKR470 is determined by strict equivalence across the following parameters:

• Resistance value: 470 mOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.25W minimum
• Package: 0805 (2012 Metric) form factor
• Composition: Thick film construction
• Operating temperature range: -55°C to 155°C minimum
• RoHS3 compliance status
• Moisture sensitivity level: 1 or better

The RCWE0805R470FKEA from Vishay Dale meets all substitution criteria. This part maintains identical electrical specifications while offering enhanced temperature coefficient performance (±100ppm/°C versus ±200ppm/°C) and automotive-grade AEC-Q200 certification with moisture-resistant construction.

Parameter Comparison

Engineering Selection Recommendations

Both parts are actively manufactured and RoHS3 compliant. The CSR0805FKR470 is suitable for general-purpose current sensing applications with standard environmental requirements. The RCWE0805R470FKEA provides equivalent functionality with the addition of AEC-Q200 automotive qualification and moisture-resistant construction, making it appropriate for automotive and harsh environment applications where enhanced reliability is specified. The improved temperature coefficient of the Vishay Dale part (±100ppm/°C) offers superior stability across the operating temperature range compared to the Stackpole part (±200ppm/°C). Physical dimensions are compatible for PCB layout purposes, with a maximum width variance of 0.002" (0.05mm).

Frequently Asked Questions (FAQ)

Q: Can RCWE0805R470FKEA replace CSR0805FKR470 in existing designs?

A: Yes. Both parts share identical resistance, tolerance, power rating, and package specifications. The RCWE0805R470FKEA is a direct functional equivalent with enhanced specifications. PCB footprints designed for 0805 (2012 Metric) packages accommodate both parts without modification.

Q: What is the significance of the temperature coefficient difference?

A: The CSR0805FKR470 has a temperature coefficient of ±200ppm/°C, while the RCWE0805R470FKEA has ±100ppm/°C. This means the Vishay Dale part exhibits half the resistance change per degree Celsius across the operating temperature range, resulting in improved measurement accuracy in temperature-sensitive current sensing applications.

Q: Does the width difference between parts affect PCB compatibility?

A: The width variance is 0.002" (0.05mm), which is within standard PCB manufacturing tolerances for 0805 packages. Both parts are mechanically compatible with standard 0805 footprints. Height specifications are identical at 0.026" (0.65mm) maximum.

Q: What does AEC-Q200 certification indicate?

A: AEC-Q200 is an automotive industry qualification standard. The RCWE0805R470FKEA meets this specification, indicating suitability for automotive applications with enhanced reliability requirements. The CSR0805FKR470 does not carry this certification.

Q: Are both parts available in Tape & Reel packaging?

A: Yes. Both the CSR0805FKR470 and RCWE0805R470FKEA are supplied in Tape & Reel (TR) packaging suitable for automated assembly processes.