RC1005J431CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005J431CS is a 430 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format with 1/16W power rating. This component is classified as Active product status with moisture-resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count, operating temperature range). Alternative components become necessary when the original part experiences supply constraints, discontinuation, or when design requirements permit tolerance or power rating upgrades.

Substiute Parts

RC1005J431CS

Samsung Electro-MechanicsIn Stock: 2149RC1005J431CS Datasheet

Current PartRFQ

RC0402JR-07430RL

YAGEOIn Stock: 2456RC0402JR-07430RL Datasheet

DirectRFQ

CRG0402F430R

TE Connectivity Passive ProductIn Stock: 10610CRG0402F430R Datasheet

UpgradeRFQ

ERJ-2RKF4300X

Panasonic Electronic ComponentsIn Stock: 233975ERJ-2RKF4300X Datasheet

UpgradeRFQ

MCR01MRTF4300

Rohm SemiconductorIn Stock: 739MCR01MRTF4300 Datasheet

UpgradeRFQ

RC0402FR-07430RL

YAGEOIn Stock: 113977RC0402FR-07430RL Datasheet

UpgradeRFQ

RMCF0402FT430R

Stackpole Electronics IncIn Stock: 42755RMCF0402FT430R Datasheet

UpgradeRFQ

AC0402JR-07430RL

YAGEOIn Stock: 20995AC0402JR-07430RL Datasheet

SimilarRFQ

RMCF0402JT430R

Stackpole Electronics IncIn Stock: 27347RMCF0402JT430R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution compatibility for the RC1005J431CS is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 430 Ohms
• Package / Case: 0402 (1005 Metric)
• Number of Terminations: 2
• Operating Temperature Range: -55°C to 155°C minimum
• Composition: Thick Film
• RoHS Status: ROHS3 Compliant

Allowable Variation Parameters:

• Tolerance: ±5% (original) can be substituted with ±1% (upgrade)
• Power Rating: 0.063W (original) can be substituted with 0.1W (upgrade)
• Features: Moisture Resistant (original) or Automotive AEC-Q200 certification (upgrade)

Substitute parts are categorized into three groups:

Direct Substitutes: Identical electrical and mechanical specifications with matching tolerance (±5%) and power rating (1/16W). These parts are pin-compatible and functionally equivalent without circuit redesign.

Upgrade Substitutes: Enhanced specifications with tighter tolerance (±1%) or higher power rating (0.1W) while maintaining 0402 package compatibility. These parts provide improved performance margins and are backward-compatible.

Similar Substitutes: Matching core specifications (430 Ohms, 0402 package) with automotive-grade certification (AEC-Q200) and ±5% tolerance. These parts are suitable for applications requiring automotive qualification.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (No Circuit Redesign Required):

RC0402JR-07430RL (YAGEO) is the primary direct substitute for RC1005J431CS. Both components share identical electrical specifications (430 Ohms ±5%, 1/16W), 0402 package format, moisture-resistant thick film composition, and ROHS3 compliance. This part maintains full functional equivalence with 2,400 pieces in inventory.

Upgrade Substitution (Enhanced Performance):

RC0402FR-07430RL (YAGEO) provides tighter tolerance (±1% versus ±5%) while maintaining identical power rating (1/16W) and moisture-resistant characteristics. This upgrade is suitable for applications requiring improved accuracy without circuit modification. Inventory availability is 113,967 pieces.

RMCF0402FT430R (Stackpole Electronics Inc) offers ±1% tolerance with automotive AEC-Q200 certification. This component is appropriate for automotive-grade applications requiring enhanced reliability. Inventory: 42,688 pieces.

ERJ-2RKF4300X (Panasonic Electronic Components) provides both tolerance upgrade (±1%) and power rating upgrade (0.1W versus 0.063W) with automotive AEC-Q200 certification. This part is suitable for applications with higher power dissipation requirements or automotive qualification mandates. Inventory: 233,916 pieces.

Similar Substitution (Automotive Applications):

AC0402JR-07430RL (YAGEO) maintains original tolerance (±5%) and power rating (1/16W) while adding automotive AEC-Q200 certification and moisture resistance. This part is appropriate for automotive applications without requiring tolerance or power upgrades. Inventory: 20,933 pieces.

RMCF0402JT430R (Stackpole Electronics Inc) provides automotive AEC-Q200 certification with matching ±5% tolerance and 1/16W power rating. Inventory: 27,330 pieces.

Avoid:

MCR01MRTF4300 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs despite active inventory status.

Frequently Asked Questions (FAQ)

Q: Can RC0402JR-07430RL replace RC1005J431CS without any circuit modifications?

A: Yes. RC0402JR-07430RL is a direct substitute with identical resistance (430 Ohms), tolerance (±5%), power rating (1/16W), package format (0402), and operating temperature range (-55°C to 155°C). Both components are ROHS3 compliant thick film resistors with moisture-resistant characteristics.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes (RC0402JR-07430RL) match all electrical and mechanical specifications of the original part. Upgrade substitutes provide enhanced performance through tighter tolerance (±1% instead of ±5%) or higher power rating (0.1W instead of 0.063W) while maintaining 0402 package compatibility. Upgrade substitutes are backward-compatible and do not require circuit redesign.

Q: Is the 0402 package size identical across all substitute parts?

A: Yes. All listed substitute parts use the 0402 (1005 Metric) package format with identical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and maximum seated height (0.016" / 0.40mm). All parts have two terminations and are mechanically interchangeable on PCB layouts designed for 0402 components.

Q: What does AEC-Q200 certification mean?

A: AEC-Q200 is an automotive industry qualification standard for passive components. Parts bearing this certification (ERJ-2RKF4300X, RMCF0402FT430R, AC0402JR-07430RL, RMCF0402JT430R) meet enhanced reliability and performance requirements for automotive applications. These parts are suitable for both automotive and general industrial applications.

Q: Can I use ERJ-2RKF4300X (0.1W) in place of RC1005J431CS (0.063W)?

A: Yes. ERJ-2RKF4300X has a higher power rating (0.1W versus 0.063W), which is a performance upgrade. The component will operate safely in circuits designed for 0.063W resistors. The higher power rating provides additional thermal margin and is backward-compatible.

Q: What is the difference between ±5% and ±1% tolerance?

A: Tolerance specifies the allowable deviation from the nominal resistance value. RC1005J431CS with ±5% tolerance can vary between 408.5 Ohms and 451.5 Ohms. Upgrade substitutes with ±1% tolerance vary between 425.7 Ohms and 434.3 Ohms. Tighter tolerance (±1%) is suitable for precision circuits requiring more accurate resistance values.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the environmental compliance status of RC1005J431CS. All parts are also REACH Unaffected and classified as EAR99 for export control purposes.

Q: Which substitute part has the highest inventory availability?

A: ERJ-2RKF4300X (Panasonic Electronic Components) has the highest inventory with 233,916 pieces in stock. This part combines upgrade specifications (±1% tolerance, 0.1W power rating) with automotive AEC-Q200 certification and excellent availability.

Q: Should I avoid MCR01MRTF4300?

A: Yes. MCR01MRTF4300 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs. Although limited inventory (686 pieces) remains available, the discontinued status indicates no future supply assurance.