Equivalent & Substitute Parts for RC1005J270CS

Part Overview

The RC1005J270CS is a 27 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated at 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 currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, design optimization, and supply chain continuity.

Substiute Parts

RC1005J270CS

Samsung Electro-MechanicsIn Stock: 748RC1005J270CS Datasheet

Current PartRFQ

RC0402JR-0727RL

YAGEOIn Stock: 20449RC0402JR-0727RL Datasheet

DirectRFQ

CRG0402F27R

TE Connectivity Passive ProductIn Stock: 18668CRG0402F27R Datasheet

UpgradeRFQ

ERJ-2RKF27R0X

Panasonic Electronic ComponentsIn Stock: 631112ERJ-2RKF27R0X Datasheet

UpgradeRFQ

RMCF0402FT27R0

Stackpole Electronics IncIn Stock: 182125RMCF0402FT27R0 Datasheet

UpgradeRFQ

AC0402JR-0727RL

YAGEOIn Stock: 53754AC0402JR-0727RL Datasheet

SimilarRFQ

RMCF0402JT27R0

Stackpole Electronics IncIn Stock: 402945RMCF0402JT27R0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005J270CS is determined by strict alignment with the following critical parameters: resistance value (27 Ohms), package format (0402 / 1005 Metric), composition (thick film), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, REACH Unaffected). Tolerance and power rating variations are permitted within defined upgrade categories. Substitute parts are grouped into three categories:

Direct Equivalents maintain identical electrical specifications (27 Ohms ±5%, 0.063W) and packaging. These parts are interchangeable without design modification.

Upgrade Substitutes offer improved tolerance (±1% instead of ±5%) or enhanced power rating (0.1W instead of 0.063W) while maintaining the same 27 Ohm resistance and 0402 package. These parts provide performance enhancement and are backward compatible.

Similar Substitutes match the core specifications (27 Ohms ±5%, 0.063W, 0402 package) but include automotive AEC-Q200 qualification or alternative packaging formats. These parts are suitable for applications requiring automotive-grade reliability.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: RC0402JR-0727RL (YAGEO) provides identical electrical and mechanical specifications to the RC1005J270CS. Both parts maintain ±5% tolerance, 0.063W power rating, and moisture resistant thick film construction. Selection of this direct equivalent is appropriate when maintaining original design specifications is required.

For Tolerance-Critical Applications: CRG0402F27R (TE Connectivity) and RMCF0402FT27R0 (Stackpole) offer ±1% tolerance improvement over the ±5% specification of the main part. These upgrade substitutes maintain the same 0402 package and 0.063W power rating, providing enhanced accuracy for circuits requiring tighter resistance tolerances.

For Automotive and High-Reliability Applications: ERJ-2RKF27R0X (Panasonic), AC0402JR-0727RL (YAGEO), and RMCF0402JT27R0 (Stackpole) include AEC-Q200 automotive qualification. ERJ-2RKF27R0X additionally provides increased power rating (0.1W) with ±1% tolerance. These parts are suitable for automotive-grade designs and applications requiring enhanced reliability certification.

For General-Purpose Substitution: All listed substitute parts maintain ROHS3 compliance, MSL 1 rating, and the -55°C to 155°C operating temperature range of the main part. All parts are currently in active production status with established supply availability.

Frequently Asked Questions (FAQ)

Q: Can RC0402JR-0727RL be used as a direct replacement for RC1005J270CS?

A: Yes. RC0402JR-0727RL is a direct equivalent with identical resistance (27 Ohms), tolerance (±5%), power rating (0.063W), package (0402), and operating temperature range (-55°C ~ 155°C). No design modification is required.

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

A: Direct equivalents match all electrical and mechanical specifications of the main part. Upgrade substitutes improve one or more parameters—such as tolerance (±1% vs ±5%) or power rating (0.1W vs 0.063W)—while maintaining compatibility with the 0402 package and 27 Ohm resistance value.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive-qualified parts such as ERJ-2RKF27R0X, AC0402JR-0727RL, and RMCF0402JT27R0 meet or exceed the specifications required for general-purpose applications. AEC-Q200 certification indicates enhanced reliability testing and is not restrictive for non-automotive use.

Q: Does packaging format differ between substitute parts?

A: All substitute parts listed use the 0402 (1005 Metric) package format, matching the main part. Packaging variations (Tape & Reel vs Cut Tape) do not affect electrical or mechanical compatibility; these are logistics and handling considerations only.

Q: What is the significance of MSL 1 (Unlimited) moisture sensitivity level?

A: MSL 1 indicates unlimited shelf life and no moisture bake-out requirement prior to soldering. All parts listed, including the main part and all substitutes, carry MSL 1 rating, ensuring consistent handling and storage procedures.

Q: Can ERJ-2RKF27R0X be used in place of RC1005J270CS despite the higher power rating?

A: Yes. ERJ-2RKF27R0X is rated at 0.1W (1/10W) compared to the main part's 0.063W (1/16W). The higher power rating is a performance enhancement and does not create compatibility issues. The part maintains the same 27 Ohm resistance, ±1% tolerance, 0402 package, and operating temperature range.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance status, matching the main part's environmental certification. All parts are also REACH Unaffected.