Equivalent & Substitute Parts for RC1005J1R5CS

Part Overview

The RC1005J1R5CS is a 1.5 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 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 carries ROHS3 compliance with MSL Level 1 rating.

Substitute parts are identified when electrical specifications, mechanical dimensions, and environmental ratings align with the original component, enabling direct replacement in circuit applications without design modification.

Substiute Parts

RC1005J1R5CS

Samsung Electro-MechanicsIn Stock: 1123RC1005J1R5CS Datasheet

Current PartRFQ

RC0402FR-071R5L

YAGEOIn Stock: 4888RC0402FR-071R5L Datasheet

UpgradeRFQ

RMCF0402JT1R50

Stackpole Electronics IncIn Stock: 10288RMCF0402JT1R50 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005J1R5CS are classified based on strict alignment with the following critical parameters:

Electrical Compatibility Requirements:

• Resistance value: 1.5 Ohms (exact match required)
• Power rating: 0.063W minimum (1/16W)
• Composition: Thick film construction

Mechanical Compatibility Requirements:

• Package format: 0402 (1005 Metric) footprint
• Physical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm)
• Termination count: 2 terminations

Environmental & Compliance Requirements:

• Operating temperature range: -55°C ~ 155°C minimum
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected

Substitutes are grouped into two categories based on tolerance specification:

Category 1: Tolerance ±5% (Direct Electrical Match)

• RMCF0402JT1R50 (Stackpole Electronics Inc) - Automotive AEC-Q200 rated variant

Category 2: Tolerance ±1% (Enhanced Precision)

• RC0402FR-071R5L (YAGEO) - Tighter tolerance specification

Parameter Comparison

Engineering Selection Recommendations

RMCF0402JT1R50 (Stackpole Electronics Inc) is the primary substitute for direct replacement applications. This part maintains identical electrical specifications (1.5 Ohms ±5%, 0.063W) and mechanical compatibility (0402 package). The component carries Automotive AEC-Q200 qualification, which provides additional reliability assurance for demanding environments. Temperature coefficient specification of ±200ppm/°C represents an improvement over the original part's ±300ppm/°C rating. All compliance requirements including ROHS3, REACH Unaffected, and MSL Level 1 are satisfied. Inventory availability of 10,259 pieces supports production continuity.

RC0402FR-071R5L (YAGEO) serves as an alternative for applications requiring enhanced tolerance precision. The ±1% tolerance specification provides tighter resistance value control compared to the original ±5% specification. This part is suitable for circuits where improved accuracy is beneficial without requiring design modification. Temperature coefficient of ±200ppm/°C and full compliance alignment with ROHS3 and MSL Level 1 standards are maintained. Inventory of 4,778 pieces is available.

Both substitutes are Active products with established supply chains and meet all environmental and regulatory requirements specified for the original component.

Frequently Asked Questions (FAQ)

Q: Can RMCF0402JT1R50 be used as a direct replacement for RC1005J1R5CS?

A: Yes. Both parts share identical resistance value (1.5 Ohms), tolerance (±5%), power rating (0.063W), and 0402 package format. Mechanical footprint and electrical performance are fully compatible. The RMCF0402JT1R50 includes Automotive AEC-Q200 qualification, which does not restrict use in non-automotive applications.

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

A: Tolerance defines the acceptable deviation from the nominal 1.5 Ohm resistance value. The ±5% specification allows resistance between 1.425 and 1.575 Ohms. The ±1% specification narrows this range to 1.485 and 1.515 Ohms. Selection depends on circuit requirements for resistance accuracy. Both are electrically and mechanically compatible with the original part.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. RC1005J1R5CS, RMCF0402JT1R50, and RC0402FR-071R5L all carry ROHS3 Compliant status and REACH Unaffected designation, meeting current environmental and regulatory standards.

Q: What does MSL Level 1 mean for moisture sensitivity?

A: MSL (Moisture Sensitivity Level) 1 indicates Unlimited shelf life without moisture control requirements. All three parts carry this rating, meaning they can be stored and handled without special desiccant packaging or humidity-controlled environments.

Q: Can these parts be used interchangeably in the same circuit board design?

A: Yes. All three parts use identical 0402 (1005 Metric) package format with matching physical dimensions (0.039" L x 0.020" W, 1.00mm x 0.50mm) and two-terminal configuration. PCB footprints and assembly processes require no modification.

Q: Which substitute offers the best temperature stability?

A: Both RMCF0402JT1R50 and RC0402FR-071R5L specify ±200ppm/°C temperature coefficient, compared to ±300ppm/°C for the original RC1005J1R5CS. This represents improved temperature stability across the -55°C to 155°C operating range.