CSR0805FTR510 Equivalent & Substitute Parts

Part Overview

The CSR0805FTR510 is a 510 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 low-resistance applications requiring tight tolerance and stable performance across industrial temperature ranges. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental certifications align with the original component requirements.

Substiute Parts

CSR0805FTR510

Stackpole Electronics IncIn Stock: 796CSR0805FTR510 Datasheet

Current PartRFQ

RLP73K2AR51FTDF

TE Connectivity Passive ProductIn Stock: 2843RLP73K2AR51FTDF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CSR0805FTR510 is determined by strict alignment of the following critical parameters:

• Resistance value: 510 mOhms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Features: Current Sense capability
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Physical dimensions: 0.079" L x 1.25mm W, maximum seated height 0.026"
• Environmental compliance: RoHS3, REACH Unaffected

The RLP73K2AR51FTDF manufactured by TE Connectivity Passive Product meets all specified electrical and mechanical parameters, enabling direct substitution in applications requiring the CSR0805FTR510.

Parameter Comparison

Engineering Selection Recommendations

The RLP73K2AR51FTDF is a qualified substitute for the CSR0805FTR510 based on complete electrical and mechanical parameter equivalence. Both components maintain Active product status and satisfy identical environmental compliance requirements including RoHS3 and REACH Unaffected designations. The substitute part is available in higher inventory volume (2745 Pcs) compared to the original part (772 Pcs), supporting supply chain continuity. Selection between these parts may be determined by supplier availability, lead time, or procurement agreements, as functional performance and reliability characteristics are equivalent.

Frequently Asked Questions (FAQ)

Q: Can the RLP73K2AR51FTDF replace the CSR0805FTR510 in existing designs?

A: Yes. The RLP73K2AR51FTDF meets all electrical specifications (510 mOhms ±1%, 0.25W), mechanical dimensions (0805 package, 2.00mm x 1.25mm), and environmental certifications (RoHS3, REACH Unaffected) required for direct substitution.

Q: Are there differences in temperature performance between these parts?

A: No. Both components operate across -55°C ~ 155°C with identical temperature coefficient of ±200ppm/°C.

Q: Do both parts support current sense applications?

A: Yes. Both the CSR0805FTR510 and RLP73K2AR51FTDF are specified with current sense features and are suitable for precision low-resistance measurement circuits.

Q: What is the significance of the 0805 package designation?

A: The 0805 (2012 Metric) package specifies the physical dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm) with maximum seated height of 0.026" (0.65mm). Both parts conform to this standard, ensuring PCB footprint compatibility.

Q: Are moisture sensitivity considerations relevant for these parts?

A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.