CSR0603JKR430 Equivalent & Substitute Parts

Part Overview

The CSR0603JKR430 is a 430 mOhms ±5% thick film chip resistor in 0603 (1608 Metric) package rated for 0.125W (1/8W) power dissipation. Manufactured by Stackpole Electronics Inc, this current sense resistor is designed for precision current measurement applications in electronic circuits. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings are maintained across alternative manufacturers.

Substiute Parts

CSR0603JKR430

Stackpole Electronics IncIn Stock: 1052CSR0603JKR430 Datasheet

Current PartRFQ

RLP73N1JR43JTD

TE Connectivity Passive ProductIn Stock: 10201RLP73N1JR43JTD Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CSR0603JKR430 are qualified based on strict equivalence across the following critical parameters:

• Resistance value: 430 mOhms
• Tolerance: ±5%
• Power rating: 0.125W (1/8W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Application feature: Current Sense
• Temperature coefficient: ±300ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Physical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm)
• Height - Seated (Max): 0.022" (0.55mm)
• Compliance: RoHS3 Compliant, MSL 1

The RLP73N1JR43JTD from TE Connectivity Passive Product meets all specified electrical and mechanical parameters, enabling direct substitution in applications requiring current sense resistors with identical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the CSR0603JKR430 and RLP73N1JR43JTD maintain Active product status with full RoHS3 compliance and REACH unaffected designation. Selection between these parts should be based on availability, lead time, and supply chain requirements. The RLP73N1JR43JTD from TE Connectivity Passive Product currently maintains higher inventory levels (10,139 pcs) compared to the CSR0603JKR430 (948 pcs), making it suitable for high-volume production requirements. Both parts carry identical electrical performance specifications and environmental certifications, ensuring functional equivalence in current sense applications.

Frequently Asked Questions (FAQ)

Q: Can the RLP73N1JR43JTD replace the CSR0603JKR430 in existing designs?

A: Yes. Both parts are electrically and mechanically equivalent with identical resistance values (430 mOhms ±5%), power ratings (0.125W), package dimensions (0603 / 1608 Metric), and operating temperature ranges (-55°C ~ 155°C). Direct substitution is supported without circuit redesign.

Q: Are there any differences in tolerance or temperature coefficient between these parts?

A: No. Both parts specify ±5% tolerance and ±300ppm/°C temperature coefficient, ensuring identical performance in current sense measurement circuits.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the CSR0603JKR430 and RLP73N1JR43JTD are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the significance of the 0603 package designation?

A: The 0603 package (1608 Metric) specifies the physical dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm) with maximum seated height of 0.022" (0.55mm). This standardized package ensures compatibility with automated assembly equipment and PCB footprints designed for 0603 resistors.

Q: Are these parts suitable for high-frequency applications?

A: These are thick film current sense resistors designed for DC and low-frequency current measurement. Application suitability depends on circuit requirements and frequency specifications not provided in this reference.