RC1005F1782CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F1782CS is a 17.8 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device (SMD) 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 and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified to address supply chain continuity, inventory optimization, and application-specific requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC1005F1782CS

Samsung Electro-MechanicsIn Stock: 729RC1005F1782CS Datasheet

Current PartRFQ

CR0402-FX-1782GLF

Bourns Inc.In Stock: 17944CR0402-FX-1782GLF Datasheet

DirectRFQ

RC0402FR-0717K8L

YAGEOIn Stock: 296232RC0402FR-0717K8L Datasheet

DirectRFQ

ERJ-2RKF1782X

Panasonic Electronic ComponentsIn Stock: 179275ERJ-2RKF1782X Datasheet

UpgradeRFQ

AC0402FR-0717K8L

YAGEOIn Stock: 55947AC0402FR-0717K8L Datasheet

SimilarRFQ

CRCW040217K8FKED

Vishay DaleIn Stock: 25310CRCW040217K8FKED Datasheet

SimilarRFQ

RMCF0402FT17K8

Stackpole Electronics IncIn Stock: 853722RMCF0402FT17K8 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F1782CS are classified based on strict electrical and mechanical parameter alignment:

Direct Equivalents maintain identical specifications across all critical parameters: 17.8 kOhms resistance, ±1% tolerance, 0.063W power rating, 0402 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and RoHS3 compliance. These parts are interchangeable without circuit redesign.

Upgrade Options provide enhanced specifications while maintaining core compatibility. The ERJ-2RKF1782X increases power rating to 0.1W (1/10W) and adds Automotive AEC-Q200 qualification, suitable for applications requiring higher thermal margin or automotive-grade reliability.

Automotive-Qualified Alternatives include AEC-Q200 certification in addition to standard specifications. These parts (AC0402FR-0717K8L, CRCW040217K8FKED, RMCF0402FT17K8) are suitable for automotive and industrial applications requiring enhanced qualification standards while maintaining electrical equivalence.

Substitution eligibility is determined by: resistance value match (17.8 kOhms), tolerance match (±1%), package match (0402), temperature range coverage (-55°C to 155°C minimum), and compliance status (RoHS3).

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (No Circuit Modification Required):

CR0402-FX-1782GLF (Bourns Inc.) and RC0402FR-0717K8L (YAGEO) are direct electrical and mechanical equivalents to the RC1005F1782CS. Both maintain identical resistance, tolerance, power rating, package dimensions, and temperature specifications. RC0402FR-0717K8L offers significantly higher inventory availability (296,145 units) and includes moisture resistant construction matching the original specification.

Upgrade Selection (Enhanced Reliability):

ERJ-2RKF1782X (Panasonic Electronic Components) provides an upgrade path with increased power rating (0.1W vs. 0.063W) and Automotive AEC-Q200 qualification. This part is suitable for applications requiring enhanced thermal margin or automotive-grade reliability standards while maintaining full electrical compatibility.

Automotive Applications:

AC0402FR-0717K8L, CRCW040217K8FKED, and RMCF0402FT17K8 incorporate Automotive AEC-Q200 certification with standard 0.063W power rating and moisture resistant or equivalent construction. RMCF0402FT17K8 (Stackpole Electronics Inc) offers the highest inventory level (853,666 units) among automotive-qualified options.

Selection Criteria:

All substitute parts maintain RoHS3 compliance, MSL 1 rating, and identical operating temperature range (-55°C to 155°C). Selection should prioritize inventory availability, supply chain reliability, and application-specific certifications (automotive qualification where required).

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-0717K8L replace RC1005F1782CS directly in production?

A: Yes. RC0402FR-0717K8L is a direct equivalent with identical electrical specifications (17.8 kOhms ±1%, 0.063W), package (0402), temperature range (-55°C to 155°C), and RoHS3 compliance. No circuit modification is required.

Q: What is the difference between the 0.063W and 0.1W power ratings?

A: The ERJ-2RKF1782X is rated at 0.1W (1/10W) compared to the standard 0.063W (1/16W). This higher power rating provides increased thermal margin and is suitable for applications with higher power dissipation requirements. The 0.1W part is electrically compatible but physically capable of handling greater power loads.

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

A: Yes. Automotive-qualified parts such as AC0402FR-0717K8L, CRCW040217K8FKED, and RMCF0402FT17K8 meet or exceed standard specifications and are suitable for any application requiring the specified electrical parameters. AEC-Q200 certification indicates enhanced reliability and qualification testing.

Q: Does package dimension variation affect PCB assembly?

A: All substitute parts use the 0402 (1005 Metric) package with identical footprint dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm). Height variation is minimal (0.015" to 0.016" seated height), which does not affect standard PCB assembly processes or reflow profiles.

Q: What is MSL 1 (Unlimited) moisture sensitivity rating?

A: MSL 1 indicates the lowest moisture sensitivity level with unlimited shelf life under standard storage conditions (typically 30°C / 60% RH). No special moisture control or baking procedures are required before assembly.

Q: Which substitute offers the best inventory availability?

A: RMCF0402FT17K8 (Stackpole Electronics Inc) provides the highest inventory level at 853,666 units. RC0402FR-0717K8L (YAGEO) offers 296,145 units as a direct equivalent alternative.

Q: Are all parts REACH compliant?

A: Yes. All listed parts maintain REACH Unaffected status, indicating compliance with REACH regulations for restricted substances.