RC0402J103CS Equivalent & Substitute Parts Reference

Part Overview

The RC0402J103CS is a 10 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 01005 (0402 Metric) package format. This component is rated for 0.03W (1/32W) power dissipation and operates across the temperature range of -55°C to 125°C. The part maintains Active product status and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design requirements necessitate alternative sourcing from qualified manufacturers while maintaining electrical and mechanical compatibility.

Substiute Parts

RC0402J103CS

Samsung Electro-MechanicsIn Stock: 836RC0402J103CS Datasheet

Current PartRFQ

ERJ-XGNJ103Y

Panasonic Electronic ComponentsIn Stock: 185661ERJ-XGNJ103Y Datasheet

UpgradeRFQ

CRCW010010K0FREL

Vishay DaleIn Stock: 37163CRCW010010K0FREL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC0402J103CS are classified based on strict electrical and mechanical parameter alignment:

Upgrade Equivalent: ERJ-XGNJ103Y (Panasonic Electronic Components) This part qualifies as a direct upgrade equivalent due to identical resistance value (10 kOhms), matching tolerance (±5%), identical power rating (0.03W), and identical package format (01005/0402 Metric). The component shares the same operating temperature range (-55°C to 125°C), composition (Thick Film), and compliance certifications (RoHS3, MSL 1). The primary distinction is a lower temperature coefficient (±200ppm/°C versus ±250ppm/°C), which represents improved thermal stability.

Similar Substitute: CRCW010010K0FREL (Vishay Dale) This part qualifies as a similar substitute with matching resistance value (10 kOhms), identical power rating (0.03W), and identical package format (01005/0402 Metric). The key parameter difference is tolerance specification: CRCW010010K0FREL is rated at ±1% tolerance, which is tighter than the RC0402J103CS ±5% tolerance. This part shares identical operating temperature range (-55°C to 125°C), composition (Thick Film), and compliance certifications (RoHS3, MSL 1).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Upgrade Equivalent): The ERJ-XGNJ103Y from Panasonic Electronic Components is suitable for direct replacement of the RC0402J103CS. Both components maintain identical electrical specifications (10 kOhms ±5%, 0.03W), mechanical compatibility (01005 package), and regulatory compliance (RoHS3, MSL 1). The ERJ-XGNJ103Y offers improved temperature coefficient performance (±200ppm/°C), which may provide enhanced stability in temperature-sensitive applications. Current inventory availability for ERJ-XGNJ103Y is 185,566 pieces.

For Tolerance-Enhanced Applications: The CRCW010010K0FREL from Vishay Dale is suitable when tighter tolerance specifications are required. This component maintains identical resistance value, power rating, and package format while providing ±1% tolerance compared to the ±5% specification of the RC0402J103CS. All regulatory certifications (RoHS3, MSL 1) and operating parameters remain aligned. Current inventory availability for CRCW010010K0FREL is 37,129 pieces.

Both substitute parts are Active products with established supply chain presence and full compliance documentation.

Frequently Asked Questions (FAQ)

Q: Can ERJ-XGNJ103Y be used as a direct replacement for RC0402J103CS? A: Yes. Both components share identical resistance value (10 kOhms), tolerance (±5%), power rating (0.03W), and package format (01005/0402 Metric). Operating temperature ranges, composition, and compliance certifications are identical. The ERJ-XGNJ103Y features a lower temperature coefficient (±200ppm/°C versus ±250ppm/°C), which represents improved thermal performance.

Q: What is the primary difference between RC0402J103CS and CRCW010010K0FREL? A: The primary difference is tolerance specification. CRCW010010K0FREL is rated at ±1% tolerance, while RC0402J103CS is rated at ±5% tolerance. All other electrical parameters (resistance value, power rating, operating temperature) and mechanical specifications (package format, dimensions) are identical. The tighter tolerance of CRCW010010K0FREL makes it suitable for precision applications requiring closer resistance value control.

Q: Are all three parts compatible with the same PCB footprint? A: Yes. All three components use the identical 01005 (0402 Metric) package format with matching dimensions (0.016" L x 0.008" W / 0.40mm x 0.20mm) and height specifications (0.006" maximum seated height / 0.15mm). PCB footprints are interchangeable.

Q: Do all substitute parts meet the same environmental and compliance requirements? A: Yes. RC0402J103CS, ERJ-XGNJ103Y, and CRCW010010K0FREL are all RoHS3 compliant, REACH unaffected, and rated at MSL 1 (Unlimited moisture sensitivity). All components operate across the identical temperature range (-55°C to 125°C).

Q: Which substitute part should be selected for high-temperature stability applications? A: ERJ-XGNJ103Y is recommended for applications requiring enhanced temperature stability. This component features a temperature coefficient of ±200ppm/°C compared to ±250ppm/°C for both RC0402J103CS and CRCW010010K0FREL, resulting in lower resistance drift across the operating temperature range.

Q: Can CRCW010010K0FREL be used in applications originally designed for RC0402J103CS? A: Yes. CRCW010010K0FREL maintains full electrical and mechanical compatibility. The ±1% tolerance specification is tighter than the original ±5% requirement, making it suitable for all applications designed for RC0402J103CS. Applications requiring the original ±5% tolerance will also function correctly with the ±1% component.