RC1005F2550CS Equivalent & Substitute Parts

Part Overview

The RC1005F2550CS is a 255 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 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

RC1005F2550CS

Samsung Electro-MechanicsIn Stock: 999RC1005F2550CS Datasheet

Current PartRFQ

RC0402FR-07255RL

YAGEOIn Stock: 78250RC0402FR-07255RL Datasheet

DirectRFQ

ERJ-2RKF2550X

Panasonic Electronic ComponentsIn Stock: 41104ERJ-2RKF2550X Datasheet

UpgradeRFQ

CRCW0402255RFKED

Vishay DaleIn Stock: 27124CRCW0402255RFKED Datasheet

SimilarRFQ

RMCF0402FT255R

Stackpole Electronics IncIn Stock: 4281RMCF0402FT255R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F2550CS are classified based on electrical and mechanical parameter compatibility. All substitute parts maintain the core specifications: 255 Ohm resistance value, ±1% tolerance, 0402 package format, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and 2 terminations. Substitution categories are defined as follows:

Direct Equivalent: Parts with identical electrical specifications and power rating (0.063W, 1/16W). These parts are pin-compatible and functionally interchangeable without circuit modification.

Upgrade Substitute: Parts with enhanced power rating (0.1W, 1/10W) while maintaining all other electrical parameters. These parts provide increased thermal capability and are suitable for applications requiring higher power dissipation margins.

Similar Substitute: Parts with identical electrical and power specifications but featuring automotive AEC-Q200 qualification. These parts are suitable for automotive and high-reliability applications while maintaining full electrical compatibility.

All substitute parts are ROHS3 compliant, MSL 1 rated, and operate within the specified temperature range.

Parameter Comparison

Engineering Selection Recommendations

RC0402FR-07255RL (YAGEO): This part is a direct equivalent to the RC1005F2550CS with identical electrical specifications and power rating. Selection is appropriate for general industrial applications requiring standard thick film resistor performance. Both parts maintain ROHS3 compliance and MSL 1 rating with equivalent supply availability.

ERJ-2RKF2550X (Panasonic): This part provides an upgrade substitute with enhanced 0.1W power rating while maintaining all other electrical parameters. Selection is appropriate for applications requiring increased thermal margin or where power dissipation analysis indicates higher capability is beneficial. AEC-Q200 automotive qualification provides additional reliability assurance for demanding environments.

CRCW0402255RFKED (Vishay Dale): This part is a similar substitute with identical electrical and power specifications to the main part but includes AEC-Q200 automotive qualification. Selection is appropriate for automotive applications, high-reliability systems, or where automotive-grade component specifications are contractually required.

RMCF0402FT255R (Stackpole Electronics Inc): This part is a similar substitute with identical electrical and power specifications to the main part and includes AEC-Q200 automotive qualification. Selection is appropriate for automotive applications and high-reliability environments where automotive-grade qualification is specified.

All substitute parts are pin-compatible with the RC1005F2550CS and require no circuit modification for direct substitution within their respective categories.

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-07255RL be used as a direct replacement for RC1005F2550CS?

A: Yes. RC0402FR-07255RL is a direct equivalent with identical resistance (255 Ohms), tolerance (±1%), power rating (0.063W), package (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Both parts are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between ERJ-2RKF2550X and the main part RC1005F2550CS?

A: ERJ-2RKF2550X has an enhanced power rating of 0.1W (1/10W) compared to the 0.063W (1/16W) rating of RC1005F2550CS. All other electrical parameters are identical. ERJ-2RKF2550X includes AEC-Q200 automotive qualification. This part is suitable for applications requiring higher power dissipation capability.

Q: Are CRCW0402255RFKED and RMCF0402FT255R suitable for automotive applications?

A: Yes. Both CRCW0402255RFKED and RMCF0402FT255R carry AEC-Q200 automotive qualification and are suitable for automotive and high-reliability applications. They maintain identical electrical specifications to the main part with 0.063W power rating.

Q: Do all substitute parts use the same 0402 package?

A: Yes. 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 are pin-compatible and suitable for direct PCB substitution.

Q: What is the moisture sensitivity level for all these parts?

A: All parts, including the main part RC1005F2550CS and all substitutes, are rated MSL 1 (Unlimited). This indicates unlimited shelf life without moisture bake-out requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts are ROHS3 compliant, matching the compliance status of the main part RC1005F2550CS.

Q: Which substitute part should be selected for general industrial applications?

A: RC0402FR-07255RL (YAGEO) is the appropriate selection for general industrial applications as a direct equivalent with identical specifications and no additional automotive qualification requirements.

Q: Which substitute parts are recommended for automotive applications?

A: ERJ-2RKF2550X (Panasonic), CRCW0402255RFKED (Vishay Dale), and RMCF0402FT255R (Stackpole) all carry AEC-Q200 automotive qualification and are suitable for automotive applications.