Equivalent & Substitute Parts for RC1005J435CS

Part Overview

The RC1005J435CS is a 4.3 MOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0402 (1005 Metric) package format. This component 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 maintains Active product status and is ROHS3 compliant with MSL Level 1 rating.

Substitute components are identified when equivalent electrical performance and mechanical compatibility can be maintained across the same resistance value, tolerance class, power rating, and package specification. Alternative sources provide design flexibility, supply chain redundancy, and access to upgraded performance characteristics where applicable.

Substiute Parts

RC1005J435CS

Samsung Electro-MechanicsIn Stock: 944RC1005J435CS Datasheet

Current PartRFQ

RC0402JR-074M3L

YAGEOIn Stock: 19715RC0402JR-074M3L Datasheet

DirectRFQ

RMCF0402FT4M30

Stackpole Electronics IncIn Stock: 9625RMCF0402FT4M30 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

• Resistance value: 4.3 MOhms (exact match required)
• Package format: 0402 (1005 Metric) (physical and electrical compatibility)
• Power rating: 0.063W minimum (1/16W)
• Composition: Thick Film
• Operating temperature range: -55°C to 155°C minimum
• Moisture resistance: Required
• RoHS compliance: ROHS3 Compliant
• MSL rating: Level 1 or better

Tolerance Classification:

• Direct substitutes maintain ±5% tolerance specification
• Upgrade substitutes offer improved ±1% tolerance while maintaining all other parameters

All identified substitutes meet or exceed the electrical and environmental specifications of the primary component RC1005J435CS.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Substitution: RC0402JR-074M3L (YAGEO) provides direct functional equivalence to RC1005J435CS. Both components share identical electrical specifications (4.3 MOhms ±5%, 0.063W), package format (0402), temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1). This substitute is suitable for applications requiring equivalent performance without tolerance or feature upgrades.

Upgraded Performance Substitution: RMCF0402FT4M30 (Stackpole Electronics Inc) offers enhanced tolerance specification (±1% versus ±5%) while maintaining all other critical parameters. This component includes Automotive AEC-Q200 qualification, indicating suitability for automotive-grade applications. The temperature coefficient specification increases to ±200ppm/°C compared to ±100ppm/°C in the primary component. Selection of this upgrade is appropriate when improved tolerance performance or automotive qualification is required by design specifications.

All three components maintain ROHS3 compliance, MSL Level 1 rating, and REACH unaffected status, ensuring regulatory compatibility across applications.

Frequently Asked Questions (FAQ)

Q: Can RC0402JR-074M3L replace RC1005J435CS in any application? A: RC0402JR-074M3L provides direct electrical and mechanical equivalence. Both components share identical resistance (4.3 MOhms), tolerance (±5%), power rating (0.063W), package format (0402), and operating temperature range (-55°C to 155°C). Substitution is valid for applications where these specifications satisfy design requirements.

Q: What is the difference between the YAGEO and Stackpole substitutes? A: RC0402JR-074M3L (YAGEO) maintains ±5% tolerance matching the primary component. RMCF0402FT4M30 (Stackpole) provides improved ±1% tolerance and includes Automotive AEC-Q200 qualification. The Stackpole component has a higher temperature coefficient (±200ppm/°C versus ±100ppm/°C). Selection depends on tolerance requirements and automotive qualification needs.

Q: Are all three components physically identical? A: All three components 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). Physical compatibility is confirmed across all substitutes.

Q: Do these substitutes maintain the same moisture resistance rating? A: All three components are moisture-resistant thick film resistors with MSL Level 1 rating (Unlimited), confirming equivalent moisture sensitivity performance.

Q: Which substitute should be selected for automotive applications? A: RMCF0402FT4M30 (Stackpole) includes Automotive AEC-Q200 qualification, making it the appropriate selection for automotive-grade circuit designs. RC0402JR-074M3L and RC1005J435CS do not carry automotive qualification.

Q: Are all substitutes ROHS3 compliant? A: All three components are ROHS3 compliant and REACH unaffected, confirming equivalent regulatory compliance across substitutes.