RC1005J1R1CS Equivalent & Substitute Parts

Part Overview

The RC1005J1R1CS is a 1.1 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 and is designed for moisture-resistant applications across industrial and commercial temperature ranges. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and environmental certifications to ensure direct interchangeability in circuit designs.

Substiute Parts

RC1005J1R1CS

Samsung Electro-MechanicsIn Stock: 911RC1005J1R1CS Datasheet

Current PartRFQ

RC1005F1R1CS

Samsung Electro-MechanicsIn Stock: 17080RC1005F1R1CS Datasheet

UpgradeRFQ

RC0402JR-071R1L

YAGEOIn Stock: 5251RC0402JR-071R1L Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005J1R1CS are qualified based on the following critical parameters:

Electrical Compatibility: Resistance value (1.1 Ohms) and power rating (0.063W) must be identical. Tolerance variations are permitted when the substitute part meets or exceeds the precision requirement of the original specification.

Mechanical Compatibility: Package format must be 0402 (1005 Metric) to ensure PCB footprint alignment and assembly process compatibility.

Environmental Specifications: Operating temperature range (-55°C ~ 155°C), composition (Thick Film), and moisture resistance features must be maintained or exceeded.

Regulatory Compliance: RoHS3 compliance and MSL 1 rating are mandatory for substitute qualification.

Manufacturer Flexibility: Substitutes from different manufacturers (Samsung Electro-Mechanics, YAGEO) are acceptable provided all electrical, mechanical, and compliance parameters align.

Parameter Comparison

Engineering Selection Recommendations

RC1005F1R1CS (Samsung Electro-Mechanics): This substitute offers improved tolerance specification (±1% versus ±5%) while maintaining identical electrical power rating, package format, and environmental operating range. Both parts are manufactured by Samsung Electro-Mechanics and carry ROHS3 compliance with MSL 1 rating. The primary difference is packaging format (Cut Tape versus Tape & Reel) and tolerance grade. Selection of this substitute is appropriate for applications requiring tighter resistance tolerance without compromising thermal or mechanical performance.

RC0402JR-071R1L (YAGEO): This substitute maintains identical resistance value, power rating, package format, and operating temperature range. Manufactured by YAGEO under the RC_L series, this part carries equivalent RoHS3 compliance and MSL 1 rating. The temperature coefficient specification (±200ppm/°C) is superior to the main part (±300ppm/°C), indicating better temperature stability. Packaging is provided in Tape & Reel format matching the main part. Selection of this substitute is appropriate for applications where cross-manufacturer sourcing is required or where improved temperature stability is beneficial.

Frequently Asked Questions (FAQ)

Q: Can RC1005F1R1CS be used as a direct replacement for RC1005J1R1CS?

A: Yes. Both parts share identical resistance (1.1 Ohms), power rating (0.063W), package format (0402), operating temperature range (-55°C ~ 155°C), and compliance certifications (RoHS3, MSL 1). The RC1005F1R1CS provides tighter tolerance (±1% versus ±5%), which is a performance enhancement. The primary consideration is packaging format: RC1005F1R1CS is supplied in Cut Tape while RC1005J1R1CS is supplied in Tape & Reel.

Q: Can RC0402JR-071R1L be used as a direct replacement for RC1005J1R1CS?

A: Yes. Both parts meet all critical electrical and mechanical specifications: 1.1 Ohms resistance, 0.063W power rating, 0402 package format, and -55°C ~ 155°C operating temperature. Both carry RoHS3 compliance and MSL 1 rating. The RC0402JR-071R1L is manufactured by YAGEO and features a superior temperature coefficient (±200ppm/°C versus ±300ppm/°C), providing better thermal stability. Packaging format is Tape & Reel for both parts.

Q: What are the key parameters that determine substitutability?

A: Substitutability is determined by: (1) Resistance value and tolerance compatibility, (2) Power rating equivalence, (3) Package format matching (0402 Metric), (4) Operating temperature range coverage, (5) Composition type (Thick Film), (6) Moisture resistance features, and (7) Regulatory compliance status (RoHS3, MSL 1).

Q: Does packaging format (Tape & Reel versus Cut Tape) affect electrical performance?

A: No. Packaging format affects only supply and handling logistics, not electrical or thermal performance. Both Tape & Reel and Cut Tape formats deliver identical component specifications and performance characteristics.

Q: Are there any temperature coefficient differences that affect circuit performance?

A: The RC0402JR-071R1L features a temperature coefficient of ±200ppm/°C compared to ±300ppm/°C for both RC1005J1R1CS and RC1005F1R1CS. This means the YAGEO part exhibits lower resistance drift across temperature variations, which is advantageous for precision applications. However, all three parts operate within the same temperature range (-55°C ~ 155°C).

Q: Can these substitutes be used interchangeably in high-reliability applications?

A: Yes, provided the application requirements are met. All three parts carry identical RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings. Selection should be based on specific application requirements regarding tolerance grade, temperature stability, and supply chain preferences.