RC1005F203CS Equivalent & Substitute Parts

Part Overview

The RC1005F203CS is a 20 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This component operates across -55°C to 155°C with 0.063W power rating and features moisture-resistant construction. The part is ROHS3 compliant and maintains MSL 1 (Unlimited) moisture sensitivity rating. As an active product with 2200 units in stock, equivalent alternatives exist from multiple manufacturers for applications requiring component substitution due to supply constraints, design flexibility, or specific feature requirements.

Substiute Parts

RC1005F203CS

Samsung Electro-MechanicsIn Stock: 2247RC1005F203CS Datasheet

Current PartRFQ

CR0402-FX-2002GLF

Bourns Inc.In Stock: 456134CR0402-FX-2002GLF Datasheet

DirectRFQ

CRG0402F20K

TE Connectivity Passive ProductIn Stock: 19013CRG0402F20K Datasheet

DirectRFQ

RC0402FR-0720KL

YAGEOIn Stock: 21868RC0402FR-0720KL Datasheet

DirectRFQ

RCG040220K0FKED

Vishay DaleIn Stock: 155733RCG040220K0FKED Datasheet

DirectRFQ

ERJ-2RKF2002X

Panasonic Electronic ComponentsIn Stock: 3172006ERJ-2RKF2002X Datasheet

UpgradeRFQ

RGC0402DTC20K0

Stackpole Electronics IncIn Stock: 16354RGC0402DTC20K0 Datasheet

UpgradeRFQ

AC0402FR-0720KL

YAGEOIn Stock: 12673AC0402FR-0720KL Datasheet

SimilarRFQ

AF0402FR-0720KL

YAGEOIn Stock: 10170AF0402FR-0720KL Datasheet

SimilarRFQ

CRCW040220K0FKED

Vishay DaleIn Stock: 85137CRCW040220K0FKED Datasheet

SimilarRFQ

CRCW040220K0FKEE

Vishay DaleIn Stock: 48562CRCW040220K0FKEE Datasheet

SimilarRFQ

CRCW040220K0FKTD

Vishay DaleIn Stock: 1222CRCW040220K0FKTD Datasheet

SimilarRFQ

RMCF0402FT20K0

Stackpole Electronics IncIn Stock: 5710080RMCF0402FT20K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F203CS is determined by strict equivalence across the following parameters: resistance value (20 kOhms), tolerance (±1%), power rating (0.063W minimum), package format (0402), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and regulatory compliance (ROHS3). Parts are categorized as Direct equivalents when all parameters match identically. Upgrade substitutes provide enhanced specifications (higher power rating, tighter tolerance, automotive qualification) while maintaining backward compatibility. Similar substitutes include automotive-grade variants with additional features such as AEC-Q200 certification or anti-sulfur construction that exceed base requirements but remain functionally compatible within the specified parameter envelope.

Parameter Comparison

Engineering Selection Recommendations

Direct equivalent substitutes CR0402-FX-2002GLF, CRG0402F20K, RC0402FR-0720KL, and RCG040220K0FKED maintain identical electrical specifications and package format, providing interchangeable functionality for standard applications. All direct equivalents carry ROHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility.

Upgrade substitutes ERJ-2RKF2002X and RGC0402DTC20K0 provide enhanced performance characteristics. ERJ-2RKF2002X increases power rating to 0.1W while maintaining all other parameters, suitable for applications requiring thermal margin. RGC0402DTC20K0 tightens tolerance to ±0.5% and reduces temperature coefficient to ±50ppm/°C, appropriate for precision circuit requirements. Both upgrade options include AEC-Q200 automotive qualification.

Similar substitutes AC0402FR-0720KL, AF0402FR-0720KL, CRCW040220K0FKED, and CRCW040220K0FKEE incorporate automotive AEC-Q200 certification. AC0402FR-0720KL and AF0402FR-0720KL add moisture-resistant and anti-sulfur features respectively. These variants are suitable for automotive and harsh-environment applications while maintaining electrical equivalence to the base specification.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-2002GLF replace RC1005F203CS in all applications? A: Yes. CR0402-FX-2002GLF is a direct equivalent with identical resistance (20 kOhms), tolerance (±1%), power rating (0.063W), package (0402), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Both are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between direct equivalents and upgrade substitutes? A: Direct equivalents match all electrical and mechanical parameters identically. Upgrade substitutes enhance one or more specifications—ERJ-2RKF2002X increases power to 0.1W; RGC0402DTC20K0 tightens tolerance to ±0.5% and reduces temperature coefficient to ±50ppm/°C—while remaining backward compatible.

Q: Are automotive-grade parts (AEC-Q200) compatible with standard applications? A: Yes. Automotive-grade substitutes such as AC0402FR-0720KL, AF0402FR-0720KL, CRCW040220K0FKED, and CRCW040220K0FKEE meet or exceed the base RC1005F203CS specifications and are functionally compatible. AEC-Q200 certification indicates additional reliability testing and environmental qualification.

Q: Does packaging format affect substitution eligibility? A: Yes. All listed substitutes use 0402 (1005 Metric) package format with identical footprint dimensions (0.039" L × 0.020" W, 1.00mm × 0.50mm) and height (0.016" maximum seated). Package compatibility is maintained across all substitutes.

Q: What is the significance of moisture sensitivity level (MSL) rating? A: All substitutes maintain MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Components can be stored and handled without time-limited exposure controls, matching the RC1005F203CS requirement.

Q: Can RGC0402DTC20K0 be used where tighter tolerance is not required? A: Yes. RGC0402DTC20K0 with ±0.5% tolerance and ±50ppm/°C temperature coefficient exceeds the ±1% and ±100ppm/°C requirements of RC1005F203CS. It is suitable for any application accepting the base specification and provides performance margin for precision-sensitive circuits.