RC1005F1743CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F1743CS is a 174 kOhms ±1% 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 maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to support component procurement flexibility and supply chain continuity.

Substiute Parts

RC1005F1743CS

Samsung Electro-MechanicsIn Stock: 844RC1005F1743CS Datasheet

Current PartRFQ

CR0402-FX-1743GLF

Bourns Inc.In Stock: 44653CR0402-FX-1743GLF Datasheet

DirectRFQ

RC0402FR-07174KL

YAGEOIn Stock: 2270RC0402FR-07174KL Datasheet

DirectRFQ

ERJ-2RKF1743X

Panasonic Electronic ComponentsIn Stock: 55703ERJ-2RKF1743X Datasheet

UpgradeRFQ

AC0402FR-07174KL

YAGEOIn Stock: 19997AC0402FR-07174KL Datasheet

SimilarRFQ

CRCW0402174KFKED

Vishay DaleIn Stock: 10310CRCW0402174KFKED Datasheet

SimilarRFQ

RMCF0402FT174K

Stackpole Electronics IncIn Stock: 201424RMCF0402FT174K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F1743CS are classified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Parameters for Substitution:

• Resistance value: 174 kOhms
• Tolerance: ±1%
• Package format: 0402 (1005 Metric)
• Physical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Composition: Thick Film
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Substitution Categories:

Direct Equivalents maintain identical electrical specifications and power rating (0.063W, 1/16W) with matching mechanical dimensions and environmental ratings.

Upgrade Substitutes provide higher power rating (0.1W, 1/10W) while maintaining all other electrical parameters, enabling use in applications with increased thermal margin.

Similar Substitutes include automotive-grade AEC-Q200 certification in addition to base specifications, providing enhanced reliability qualification for automotive and industrial applications.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection: CR0402-FX-1743GLF (Bourns Inc.) and RC0402FR-07174KL (YAGEO) function as direct electrical and mechanical equivalents to the RC1005F1743CS. Both parts maintain identical resistance, tolerance, power rating, and package specifications with full ROHS3 compliance and MSL 1 rating. Selection between these options is based on procurement availability and packaging format preference (Tape & Reel versus Cut Tape & Digi-Reel).

Upgrade Path: ERJ-2RKF1743X (Panasonic Electronic Components) provides increased power dissipation capability at 0.1W (1/10W) while maintaining all other electrical parameters. This upgrade is applicable in designs where thermal margin enhancement is beneficial. The part includes Automotive AEC-Q200 qualification, extending reliability assurance to automotive applications.

Automotive-Grade Alternatives: AC0402FR-07174KL (YAGEO), CRCW0402174KFKED (Vishay Dale), and RMCF0402FT174K (Stackpole Electronics Inc) incorporate Automotive AEC-Q200 certification while maintaining the original 0.063W power rating. These parts are suitable for applications requiring automotive-grade component qualification. AC0402FR-07174KL additionally includes moisture resistant construction matching the original part specification.

All substitute parts maintain Active product status, ROHS3 compliance, and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with standard PCB assembly processes and environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-1743GLF replace RC1005F1743CS in all applications? A: CR0402-FX-1743GLF is electrically and mechanically equivalent to RC1005F1743CS. Both parts share identical resistance (174 kOhms), tolerance (±1%), power rating (0.063W), package format (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Direct substitution is valid for standard applications. Verify moisture resistance requirements if the original design specifically depends on this feature.

Q: What is the difference between the 0.063W and 0.1W power-rated options? A: ERJ-2RKF1743X is rated at 0.1W (1/10W) compared to the 0.063W (1/16W) rating of the main part and most direct equivalents. The higher power rating provides increased thermal dissipation capability, allowing the component to operate at higher current levels or ambient temperatures without exceeding maximum junction temperature. This upgrade is backward compatible in applications where the original 0.063W rating was adequate, as the higher-rated component can safely handle lower power levels.

Q: Are automotive-grade parts (AEC-Q200) suitable for non-automotive applications? A: Automotive AEC-Q200 qualified parts (AC0402FR-07174KL, CRCW0402174KFKED, RMCF0402FT174K) meet enhanced reliability and qualification standards required for automotive environments. These parts are fully compatible with non-automotive applications and provide equivalent or superior performance characteristics. Selection of automotive-grade components for non-automotive use is acceptable and may provide additional reliability margin.

Q: What is the significance of MSL 1 (Unlimited) rating? A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake-out requirements. All listed substitute parts carry MSL 1 rating, meaning they can be stored and handled under standard warehouse conditions without time-dependent moisture absorption concerns. This simplifies inventory management and eliminates the need for specialized dry storage or bake-out procedures prior to assembly.

Q: Are there packaging format differences between substitute parts? A: RC0402FR-07174KL is supplied in Cut Tape (CT) & Digi-Reel format, while most other substitutes use standard Tape & Reel (TR) packaging. Both formats are compatible with automated PCB assembly equipment. Selection between packaging formats depends on production volume and feeder compatibility with assembly line equipment. Verify packaging format compatibility with your specific assembly process requirements.

Q: Can I use AC0402FR-07174KL as a direct replacement if moisture resistance is critical? A: AC0402FR-07174KL includes moisture resistant construction matching the original RC1005F1743CS specification. This part is suitable for applications where moisture resistance is a design requirement. The combination of moisture resistant composition with Automotive AEC-Q200 qualification makes this part appropriate for demanding environmental conditions.