CSRF2010FK3L00 Equivalent & Substitute Parts

Part Overview

The CSRF2010FK3L00 is a 3 mOhms ±1% 1W chip resistor in 2010 (5025 Metric) package manufactured by Stackpole Electronics Inc. This metal foil current sense resistor is designed for precision applications requiring low resistance values with tight tolerance and moisture resistance. The part is currently listed as obsolete, making substitute parts necessary for ongoing production and maintenance applications.

Substiute Parts

CSRF2010FK3L00

Stackpole Electronics IncIn Stock: 1185CSRF2010FK3L00 Datasheet

Current PartRFQ

CSRF2010FT3L00

Stackpole Electronics IncIn Stock: 8524CSRF2010FT3L00 Datasheet

DirectRFQ

CSNL2010FT3L00

Stackpole Electronics IncIn Stock: 8330CSNL2010FT3L00 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the CSRF2010FK3L00 is determined by the following critical parameters:

• Resistance value: 3 mOhms
• Tolerance: ±1%
• Package / Case: 2010 (5025 Metric)
• Termination count: 2
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Two substitute parts meet these core electrical and mechanical requirements. The CSRF2010FT3L00 provides a direct equivalent with identical specifications but in active production status and tape & reel packaging. The CSNL2010FT3L00 offers an upgrade path with enhanced power rating (1.5W vs 1W) and extended operating temperature range (-55°C ~ 170°C vs -55°C ~ 125°C), while maintaining the same resistance, tolerance, package, and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

For applications currently using CSRF2010FK3L00, the CSRF2010FT3L00 serves as the direct replacement. Both parts are manufactured by Stackpole Electronics Inc with identical electrical specifications, package dimensions, and compliance certifications. The primary difference is product status (active vs obsolete) and packaging format (tape & reel vs bulk).

The CSNL2010FT3L00 represents an upgrade option for designs that can accommodate higher power dissipation or require extended temperature operation. This part maintains full compatibility with the 2010 package footprint and all compliance requirements while providing 1.5W power rating and -55°C ~ 170°C operating range. Selection between the direct equivalent and upgrade depends on circuit requirements and thermal design considerations.

Frequently Asked Questions (FAQ)

Q: Can CSRF2010FT3L00 be used as a direct replacement for CSRF2010FK3L00?

A: Yes. Both parts share identical resistance (3 mOhms), tolerance (±1%), power rating (1W), package (2010), and operating temperature range (-55°C ~ 125°C). The primary difference is packaging format and product status. CSRF2010FT3L00 is in active production with tape & reel packaging.

Q: What are the advantages of using CSNL2010FT3L00 over CSRF2010FT3L00?

A: The CSNL2010FT3L00 offers 1.5W power rating (versus 1W) and extended operating temperature range to 170°C (versus 125°C). Resistance, tolerance, and package remain identical. Selection depends on thermal and temperature requirements of the application.

Q: Are all three parts compatible with the same PCB footprint?

A: Yes. All three parts use the 2010 (5025 Metric) package with identical termination count (2) and compatible dimensions. Physical placement on PCB is interchangeable.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. CSRF2010FT3L00 and CSNL2010FT3L00 are both ROHS3 compliant, REACH unaffected, and carry MSL rating 1 (Unlimited), matching the original part.

Q: What is the difference between Metal Foil and Metal Element composition?

A: Both compositions are used in current sense resistors. The CSRF series uses Metal Foil, while the CSNL series uses Metal Element. Both provide the required 3 mOhms ±1% specification and moisture resistance for this application category.

Q: Why is CSRF2010FK3L00 listed as obsolete?

A: Obsolete status indicates the part is no longer in active production. CSRF2010FT3L00 and CSNL2010FT3L00 are active alternatives that provide equivalent or enhanced functionality for new designs and production continuity.