RC1005J434CS 430kΩ 0402 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC1005J434CS is a 430 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated for 0.063W (1/16W) power dissipation with moisture resistant construction and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL 1 (Unlimited) moisture sensitivity rating. Equivalent and substitute parts are identified based on matching resistance value, tolerance, power rating, package dimensions, and thermal characteristics to ensure direct functional replacement in circuit applications.

Substiute Parts

RC1005J434CS

Samsung Electro-MechanicsIn Stock: 916RC1005J434CS Datasheet

Current PartRFQ

RC0402JR-07430KL

YAGEOIn Stock: 13932RC0402JR-07430KL Datasheet

DirectRFQ

ERJ-2RKF4303X

Panasonic Electronic ComponentsIn Stock: 141055ERJ-2RKF4303X Datasheet

UpgradeRFQ

RC0402FR-07430KL

YAGEOIn Stock: 354089RC0402FR-07430KL Datasheet

UpgradeRFQ

RMCF0402JT430K

Stackpole Electronics IncIn Stock: 9825RMCF0402JT430K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution compatibility for the RC1005J434CS is determined by the following critical parameters: resistance value (430 kOhms), package dimensions (0402 / 1005 Metric), number of terminations (2), and operating temperature range (-55°C to 155°C). Tolerance and power rating variations define substitution categories.

Direct Equivalents maintain identical tolerance (±5%) and power rating (0.063W / 1/16W) specifications, ensuring pin-for-pin replacement without circuit performance modification.

Upgrade Substitutes offer improved tolerance (±1%) or higher power rating (0.1W / 1/10W) while maintaining the same package and resistance value. These parts provide enhanced performance characteristics suitable for applications requiring tighter tolerance control or increased thermal headroom.

Similar Substitutes match tolerance and power rating but may include additional certifications (AEC-Q200 automotive qualification) or alternative packaging formats (Cut Tape vs. Tape & Reel), maintaining electrical equivalence while offering supply chain flexibility.

Parameter Comparison

Engineering Selection Recommendations

RC0402JR-07430KL (YAGEO) serves as the primary direct equivalent, offering identical electrical specifications and packaging format to the RC1005J434CS. Both parts maintain ±5% tolerance, 0.063W power rating, and Tape & Reel packaging. This substitute is suitable for applications requiring direct replacement without design modification.

ERJ-2RKF4303X (Panasonic Electronic Components) functions as an upgrade substitute with improved ±1% tolerance and increased 0.1W power rating. The Automotive AEC-Q200 certification qualifies this part for automotive and high-reliability applications. Selection of this part is appropriate when circuit design permits tighter tolerance specifications or when enhanced thermal performance is beneficial.

RC0402FR-07430KL (YAGEO) provides tolerance upgrade to ±1% while maintaining the original 0.063W power rating and moisture resistant features. The Cut Tape and Digi-Reel® packaging format offers supply chain flexibility for applications where alternative packaging is acceptable. This part is suitable for designs requiring improved tolerance without increased power dissipation requirements.

RMCF0402JT430K (Stackpole Electronics Inc) maintains electrical equivalence with ±5% tolerance and 0.063W power rating while providing Automotive AEC-Q200 certification. This part is appropriate for automotive applications or environments requiring automotive-grade component qualification.

All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can RC0402JR-07430KL directly replace RC1005J434CS without circuit modification?

A: Yes. RC0402JR-07430KL is a direct equivalent with identical resistance (430 kOhms), tolerance (±5%), power rating (0.063W), package dimensions (0402 / 1005 Metric), and operating temperature range (-55°C to 155°C). No circuit design changes are required.

Q: What is the difference between the upgrade substitutes ERJ-2RKF4303X and RC0402FR-07430KL?

A: ERJ-2RKF4303X offers both improved tolerance (±1%) and increased power rating (0.1W / 1/10W) with Automotive AEC-Q200 certification. RC0402FR-07430KL provides improved tolerance (±1%) while maintaining the original power rating (0.063W / 1/16W) and moisture resistant features. ERJ-2RKF4303X is suitable for applications requiring higher thermal headroom; RC0402FR-07430KL is appropriate when tolerance improvement alone is needed.

Q: Are all substitute parts available in the same packaging format?

A: RC1005J434CS, RC0402JR-07430KL, ERJ-2RKF4303X, and RMCF0402JT430K are supplied in Tape & Reel (TR) format. RC0402FR-07430KL is supplied in Cut Tape (CT) and Digi-Reel® format. Packaging format selection depends on manufacturing equipment compatibility and supply chain requirements.

Q: Do all substitute parts meet RoHS compliance requirements?

A: Yes. All listed substitute parts (RC0402JR-07430KL, ERJ-2RKF4303X, RC0402FR-07430KL, and RMCF0402JT430K) are ROHS3 compliant, matching the compliance status of the RC1005J434CS.

Q: Which substitute part is recommended for automotive applications?

A: Both ERJ-2RKF4303X (Panasonic) and RMCF0402JT430K (Stackpole) carry Automotive AEC-Q200 certification. ERJ-2RKF4303X additionally provides improved ±1% tolerance and 0.1W power rating. RMCF0402JT430K maintains ±5% tolerance and 0.063W power rating matching the original part specifications.

Q: What is the temperature coefficient specification for all parts?

A: All listed parts, including the main part RC1005J434CS and all substitutes, maintain a temperature coefficient of ±100ppm/°C across the operating temperature range of -55°C to 155°C.

Q: Can RC0402FR-07430KL be used in high-volume production with automated assembly?

A: RC0402FR-07430KL is available in Cut Tape (CT) and Digi-Reel® packaging. Compatibility with automated assembly equipment depends on specific feeder and pick-and-place system specifications. Tape & Reel format parts (RC0402JR-07430KL, ERJ-2RKF4303X, RMCF0402JT430K) are standard for high-volume automated assembly.