RC1005F181CS Equivalent & Substitute Parts

Part Overview

The RC1005F181CS is a 180 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0402 (1005 Metric) package format. This surface mount device is rated for 0.063W (1/16W) power dissipation and operates across the temperature range of -55°C to 155°C. The component features moisture resistance and is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when design requirements necessitate alternative sourcing options.

Substiute Parts

RC1005F181CS

Samsung Electro-MechanicsIn Stock: 937RC1005F181CS Datasheet

Current PartRFQ

CR0402-FX-1800GLF

Bourns Inc.In Stock: 21099CR0402-FX-1800GLF Datasheet

DirectRFQ

RC0402FR-07180RL

YAGEOIn Stock: 2432219RC0402FR-07180RL Datasheet

DirectRFQ

ERJ-2RKF1800X

Panasonic Electronic ComponentsIn Stock: 429362ERJ-2RKF1800X Datasheet

UpgradeRFQ

AC0402FR-07180RL

YAGEOIn Stock: 88518AC0402FR-07180RL Datasheet

SimilarRFQ

CRCW0402180RFKED

Vishay DaleIn Stock: 50729CRCW0402180RFKED Datasheet

SimilarRFQ

RMCF0402FT180R

Stackpole Electronics IncIn Stock: 356496RMCF0402FT180R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F181CS are classified based on electrical and mechanical parameter alignment. All substitute parts maintain the core electrical specifications: 180 Ohm resistance value, ±1% tolerance, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. All substitute parts are packaged in the 0402 (1005 Metric) form factor with 2 terminations, ensuring mechanical and electrical compatibility on printed circuit boards designed for the primary part.

Substitution categories are determined by the following criteria:

Direct Substitutes: Parts with identical power rating (0.063W / 1/16W), matching composition (thick film), and equivalent packaging specifications.

Upgrade Substitutes: Parts with higher power rating (0.1W / 1/10W) that provide enhanced thermal performance while maintaining all other electrical and mechanical parameters.

Automotive-Qualified Substitutes: Parts with AEC-Q200 automotive qualification in addition to standard industrial specifications, suitable for applications requiring automotive-grade reliability.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical dimensional specifications (0.039" L x 0.020" W / 1.00mm x 0.50mm).

Parameter Comparison

Engineering Selection Recommendations

Direct Electrical Equivalents: CR0402-FX-1800GLF (Bourns Inc.) and RC0402FR-07180RL (YAGEO) are direct substitutes with identical electrical and mechanical specifications to the RC1005F181CS. Both parts maintain the 0.063W power rating, ±1% tolerance, and thick film composition. RC0402FR-07180RL includes moisture resistance matching the primary part specification.

Upgrade Option: ERJ-2RKF1800X (Panasonic Electronic Components) provides enhanced thermal performance with 0.1W power rating while maintaining all other electrical parameters. This part includes AEC-Q200 automotive qualification and is suitable for applications requiring higher power dissipation capability or automotive-grade reliability.

Automotive-Qualified Alternatives: AC0402FR-07180RL (YAGEO), CRCW0402180RFKED (Vishay Dale), and RMCF0402FT180R (Stackpole Electronics Inc) are AEC-Q200 qualified alternatives. AC0402FR-07180RL additionally includes moisture resistance. These parts are appropriate for automotive applications or designs requiring automotive-grade component qualification.

All substitute parts are ROHS3 compliant with MSL 1 rating and maintain compatibility with the 0402 package footprint. Selection should be based on application requirements, packaging preference (Tape & Reel versus Cut Tape & Digi-Reel), and any automotive or environmental qualification mandates.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-1800GLF be used as a direct replacement for RC1005F181CS?

A: Yes. CR0402-FX-1800GLF is a direct substitute with identical resistance (180 Ohms), tolerance (±1%), power rating (0.063W), package (0402), and operating temperature range (-55°C to 155°C). Both parts are thick film composition with MSL 1 rating and ROHS3 compliance.

Q: What is the difference between RC0402FR-07180RL and RC1005F181CS?

A: RC0402FR-07180RL is electrically and mechanically equivalent to RC1005F181CS. Both are 180 Ohm ±1% resistors in 0402 package with 0.063W power rating and moisture resistance. The primary difference is packaging format: RC1005F181CS is supplied in Tape & Reel, while RC0402FR-07180RL is available in Cut Tape & Digi-Reel format.

Q: When should ERJ-2RKF1800X be selected over the primary part?

A: ERJ-2RKF1800X should be selected when the application requires higher power dissipation capability (0.1W versus 0.063W) or when automotive-grade AEC-Q200 qualification is mandated. All other electrical parameters remain identical to RC1005F181CS.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of RC1005F181CS.

Q: What is the significance of AEC-Q200 qualification in the substitute parts?

A: AEC-Q200 is an automotive industry qualification standard. Parts with this rating (ERJ-2RKF1800X, AC0402FR-07180RL, CRCW0402180RFKED, RMCF0402FT180R) are suitable for automotive applications and designs requiring automotive-grade component reliability. Non-automotive applications can use any substitute part.

Q: Can substitute parts with different packaging formats be used interchangeably?

A: Yes, from an electrical and mechanical standpoint. All substitute parts use the 0402 (1005 Metric) package with identical footprint dimensions (0.039" L x 0.020" W). Packaging format differences (Tape & Reel versus Cut Tape & Digi-Reel) affect procurement and handling but not circuit board compatibility.

Q: Does moisture resistance affect substitution compatibility?

A: Moisture resistance is an additional feature that does not prevent substitution. RC1005F181CS and RC0402FR-07180RL include moisture resistance. Parts without this feature (CR0402-FX-1800GLF) are still electrically and mechanically compatible but lack this environmental protection specification.

Q: Are all substitute parts available in equivalent inventory quantities?

A: Inventory availability varies by manufacturer and supplier. RC0402FR-07180RL (YAGEO) and RMCF0402FT180R (Stackpole Electronics Inc) show high inventory levels. Specific availability should be confirmed with component suppliers for procurement planning.