CSR0805FT47L0 Equivalent & Substitute Parts

Part Overview

The CSR0805FT47L0 is a 47 mOhm ±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 low-resistance applications requiring high accuracy and stable performance across industrial temperature ranges. The part is active in production with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter tolerances for this resistor category.

Substiute Parts

CSR0805FT47L0

Stackpole Electronics IncIn Stock: 924CSR0805FT47L0 Datasheet

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ERJ-6BWFR047V

Panasonic Electronic ComponentsIn Stock: 5286ERJ-6BWFR047V Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the CSR0805FT47L0 is determined by the following critical parameters:

• Resistance Value: Must be 47 mOhms
• Tolerance: Must be ±1%
• Package Type: Must be 0805 (2012 Metric)
• Composition: Must be Thick Film
• Temperature Coefficient: Must be within ±200ppm/°C specification
• Operating Temperature Range: Must support -55°C to 155°C
• Current Sense Feature: Must be present
• RoHS Compliance: Must maintain ROHS3 status

The ERJ-6BWFR047V from Panasonic Electronic Components meets all substitution criteria. While this part features a higher power rating (0.5W versus 0.25W), this represents an upgrade that maintains full electrical and mechanical compatibility. The increased power dissipation capability does not compromise performance in applications designed for the original 0.25W specification.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-6BWFR047V qualifies as a direct substitute for the CSR0805FT47L0 based on matching electrical specifications and mechanical compatibility. Both parts maintain ROHS3 compliance and unlimited moisture sensitivity rating. The Panasonic part includes AEC-Q200 automotive qualification, which provides additional reliability assurance for applications requiring automotive-grade components. The 0.5W power rating of the ERJ-6BWFR047V represents a performance upgrade that does not introduce compatibility issues in circuits designed for the original 0.25W specification. The maximum seated height difference of 0.004" (0.10mm) remains within typical PCB assembly tolerances for 0805 packages.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-6BWFR047V replace the CSR0805FT47L0 in existing designs?

A: Yes. Both parts share identical resistance value, tolerance, package dimensions, and operating temperature range. The higher power rating of the ERJ-6BWFR047V does not create compatibility issues in applications originally specified for 0.25W.

Q: What is the significance of the power rating difference?

A: The 0.5W rating of the ERJ-6BWFR047V indicates higher power dissipation capability. In applications where the original 0.25W specification is adequate, the substitute part will operate with lower thermal stress, potentially improving long-term reliability.

Q: Are there PCB layout considerations due to the height difference?

A: The maximum seated height difference is 0.004" (0.10mm). This variation is within standard PCB assembly tolerances for 0805 packages and does not require layout modifications.

Q: Does the temperature coefficient difference affect substitution?

A: The CSR0805FT47L0 specifies ±200ppm/°C while the ERJ-6BWFR047V specifies 0/+200ppm/°C. Both remain within acceptable tolerance ranges for current sense applications across the -55°C to 155°C operating window.

Q: What is the benefit of AEC-Q200 qualification on the substitute part?

A: AEC-Q200 certification indicates the ERJ-6BWFR047V meets automotive reliability standards. This qualification is beneficial for applications requiring enhanced quality assurance but does not restrict use in non-automotive applications.