RC1005F20R5CS Equivalent & Substitute Parts

Part Overview

The RC1005F20R5CS is a 20.5 Ohm ±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 is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support component availability, supply chain continuity, and application-specific requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC1005F20R5CS

Samsung Electro-MechanicsIn Stock: 1004RC1005F20R5CS Datasheet

Current PartRFQ

CR0402-FX-20R5GLF

Bourns Inc.In Stock: 20994CR0402-FX-20R5GLF Datasheet

DirectRFQ

RC0402FR-0720R5L

YAGEOIn Stock: 15236RC0402FR-0720R5L Datasheet

DirectRFQ

ERJ-2RKF20R5X

Panasonic Electronic ComponentsIn Stock: 29007ERJ-2RKF20R5X Datasheet

UpgradeRFQ

CRCW040220R5FKED

Vishay DaleIn Stock: 21226CRCW040220R5FKED Datasheet

SimilarRFQ

RMCF0402FT20R5

Stackpole Electronics IncIn Stock: 22605RMCF0402FT20R5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F20R5CS are classified based on strict electrical and mechanical parameter matching. All identified substitutes maintain the core specifications: 20.5 Ohm resistance value, ±1% tolerance, 0402 package format, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. Substitution categories are defined as follows:

Direct Equivalents: Parts with identical electrical specifications and power rating (0.063W / 1/16W). These include CR0402-FX-20R5GLF (Bourns Inc.) and RC0402FR-0720R5L (YAGEO). Both maintain moisture resistant or equivalent construction and are suitable for one-to-one replacement in existing designs.

Upgrade Substitute: ERJ-2RKF20R5X (Panasonic Electronic Components) provides identical electrical parameters with enhanced power rating (0.1W / 1/10W) and automotive AEC-Q200 qualification. This part supports applications requiring higher power dissipation capability or automotive-grade reliability.

Similar Substitutes: CRCW040220R5FKED (Vishay Dale) and RMCF0402FT20R5 (Stackpole Electronics Inc.) match all core electrical specifications and power rating while providing automotive AEC-Q200 qualification. These parts are suitable for designs requiring automotive-grade components.

All substitute parts are ROHS3 compliant, MSL 1 rated, and maintain identical package dimensions and termination configuration.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: CR0402-FX-20R5GLF (Bourns Inc.) and RC0402FR-0720R5L (YAGEO) are suitable direct substitutes for the RC1005F20R5CS. Both parts maintain identical electrical specifications, power rating, and package format. Selection between these options is based on supply availability and inventory status.

For Automotive Applications: ERJ-2RKF20R5X (Panasonic Electronic Components), CRCW040220R5FKED (Vishay Dale), and RMCF0402FT20R5 (Stackpole Electronics Inc.) provide automotive AEC-Q200 qualification. These parts are appropriate for designs requiring automotive-grade reliability and traceability.

For Enhanced Power Dissipation: ERJ-2RKF20R5X offers 0.1W (1/10W) power rating compared to the 0.063W (1/16W) rating of the main part. This upgrade is suitable for applications where thermal margin or higher power dissipation capability is required while maintaining all other electrical parameters.

All substitute parts are ROHS3 compliant and MSL 1 rated, ensuring compatibility with standard surface mount assembly processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-20R5GLF be used as a direct replacement for RC1005F20R5CS?

A: Yes. CR0402-FX-20R5GLF matches all critical electrical parameters: 20.5 Ohm resistance, ±1% tolerance, 0.063W power rating, 0402 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both parts are ROHS3 compliant and MSL 1 rated.

Q: What is the difference between the main part and ERJ-2RKF20R5X?

A: ERJ-2RKF20R5X provides identical electrical specifications and operating temperature range but offers enhanced power rating (0.1W versus 0.063W) and automotive AEC-Q200 qualification. This part is suitable for applications requiring higher thermal capability or automotive-grade components.

Q: Are CRCW040220R5FKED and RMCF0402FT20R5 interchangeable with RC1005F20R5CS?

A: Both parts match the electrical specifications and power rating of RC1005F20R5CS. The primary distinction is automotive AEC-Q200 qualification. These parts are suitable for one-to-one replacement in designs where automotive-grade components are required or preferred.

Q: Does package format differ among these substitute parts?

A: No. All substitute parts use the 0402 (1005 Metric) package format with identical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and maximum seated height (0.016" / 0.40mm). All parts have 2 terminations and are compatible with standard 0402 PCB footprints.

Q: What is the significance of MSL 1 rating for all these parts?

A: MSL 1 (Unlimited) indicates these parts have unlimited shelf life and do not require special moisture control during storage or handling. This simplifies inventory management and reduces component preparation requirements prior to assembly.

Q: Can these parts be used interchangeably in high-reliability applications?

A: Direct equivalents (CR0402-FX-20R5GLF and RC0402FR-0720R5L) are suitable for standard applications. For high-reliability or automotive applications, ERJ-2RKF20R5X, CRCW040220R5FKED, or RMCF0402FT20R5 with AEC-Q200 qualification are recommended based on application requirements.