RC1005F1331CS Equivalent & Substitute Parts

Part Overview

The RC1005F1331CS is a 1.33 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0402 (1005 Metric) package format. This surface mount device is rated at 0.063W (1/16W) power dissipation and features moisture-resistant construction. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are necessary to address supply chain continuity, inventory optimization, and application-specific requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC1005F1331CS

Samsung Electro-MechanicsIn Stock: 1046RC1005F1331CS Datasheet

Current PartRFQ

CR0402-FX-1331GLF

Bourns Inc.In Stock: 20873CR0402-FX-1331GLF Datasheet

DirectRFQ

RC0402FR-071K33L

YAGEOIn Stock: 533158RC0402FR-071K33L Datasheet

DirectRFQ

ERJ-2RKF1331X

Panasonic Electronic ComponentsIn Stock: 183951ERJ-2RKF1331X Datasheet

UpgradeRFQ

CRCW04021K33FKED

Vishay DaleIn Stock: 53446CRCW04021K33FKED Datasheet

SimilarRFQ

RMCF0402FT1K33

Stackpole Electronics IncIn Stock: 34025RMCF0402FT1K33 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F1331CS is determined by strict equivalence across the following critical parameters: resistance value (1.33 kOhms), tolerance (±1%), package format (0402 / 1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Substitute parts are grouped into three categories based on functional equivalence:

Direct Equivalents maintain identical electrical and mechanical specifications, including power rating (0.063W / 1/16W) and moisture-resistant features where applicable.

Upgrade Substitutes provide enhanced performance characteristics, such as increased power rating (0.1W / 1/10W), while maintaining all other critical parameters and adding automotive qualification (AEC-Q200).

Similar Substitutes match all core electrical and mechanical parameters but include automotive AEC-Q200 qualification as an additional feature without power rating changes.

All substitute parts listed are active production items with confirmed inventory availability and identical package dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and maximum seated height (0.016" / 0.40mm).

Parameter Comparison

Engineering Selection Recommendations

RC0402FR-071K33L (YAGEO) is the primary direct equivalent, offering identical electrical specifications, moisture-resistant composition, and ROHS3 compliance. This part is suitable for direct replacement in non-automotive applications requiring moisture resistance.

CR0402-FX-1331GLF (Bourns Inc.) provides direct electrical equivalence without specified moisture-resistant features. Selection is appropriate for applications where moisture resistance is not a design requirement.

ERJ-2RKF1331X (Panasonic Electronic Components) is classified as an upgrade substitute due to its increased power rating (0.1W versus 0.063W) and automotive AEC-Q200 qualification. This part is suitable for applications requiring enhanced thermal performance or automotive-grade reliability.

CRCW04021K33FKED (Vishay Dale) and RMCF0402FT1K33 (Stackpole Electronics Inc) are similar substitutes with automotive AEC-Q200 qualification and identical power ratings to the main part. These parts are appropriate for automotive applications or where AEC-Q200 compliance is specified.

All substitute parts maintain ROHS3 compliance, unlimited MSL rating, and identical package dimensions. Selection between substitutes is determined by application requirements (automotive qualification, moisture resistance) and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-071K33L replace RC1005F1331CS in all applications?

A: RC0402FR-071K33L is electrically and mechanically equivalent with identical resistance, tolerance, power rating, and package specifications. Both parts feature moisture-resistant composition and ROHS3 compliance. Direct substitution is valid for applications matching the original design specifications.

Q: What is the difference between the main part and ERJ-2RKF1331X?

A: ERJ-2RKF1331X has a higher power rating (0.1W versus 0.063W) and includes automotive AEC-Q200 qualification. All other electrical parameters remain identical. This part is suitable for applications requiring enhanced thermal margin or automotive-grade reliability.

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

A: Automotive-qualified parts such as CRCW04021K33FKED, RMCF0402FT1K33, and ERJ-2RKF1331X meet or exceed the electrical and mechanical specifications of non-automotive equivalents. These parts are functionally compatible with non-automotive applications; however, cost considerations may apply.

Q: What does MSL 1 (Unlimited) mean for these resistors?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. These parts do not require special moisture control during storage or handling, simplifying inventory management and reducing preparation time before assembly.

Q: Are all substitute parts available in Tape & Reel (TR) packaging?

A: All listed substitute parts are supplied in Tape & Reel packaging format, consistent with the main part RC1005F1331CS. This packaging is standard for high-volume surface mount assembly operations.

Q: Can I use a higher power-rated substitute in a design specified for 0.063W?

A: ERJ-2RKF1331X (0.1W rating) is physically and electrically compatible with designs specified for 0.063W. The higher power rating provides additional thermal margin without affecting circuit performance. Verification of PCB thermal design is recommended for applications with tight thermal constraints.