RC1005F19R1CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F19R1CS is a 19.1 Ohms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 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 maintains Active product status with ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited). Equivalent and substitute parts are identified to support component availability, supply chain flexibility, and design requirements across different manufacturing specifications.

Substiute Parts

RC1005F19R1CS

Samsung Electro-MechanicsIn Stock: 623RC1005F19R1CS Datasheet

Current PartRFQ

RC0402FR-0719R1L

YAGEOIn Stock: 27662RC0402FR-0719R1L Datasheet

DirectRFQ

ERJ-2RKF19R1X

Panasonic Electronic ComponentsIn Stock: 67358ERJ-2RKF19R1X Datasheet

UpgradeRFQ

CRCW040219R1FKED

Vishay DaleIn Stock: 28902CRCW040219R1FKED Datasheet

SimilarRFQ

RMCF0402FT19R1

Stackpole Electronics IncIn Stock: 1516RMCF0402FT19R1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F19R1CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 19.1 Ohms
• Tolerance: ±1%
• Package / Case: 0402 (1005 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS Status: ROHS3 Compliant

Allowable Variation:

• Power Rating: Substitute parts may equal or exceed the 0.063W (1/16W) specification. Higher power ratings provide equivalent or improved thermal performance within the same package footprint.
• Features: Substitute parts may include additional certifications (Automotive AEC-Q200) without affecting base functionality.

All identified substitute parts maintain identical electrical characteristics, mechanical dimensions, and environmental compliance specifications.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Preferred for Standard Applications): RC0402FR-0719R1L (YAGEO) provides direct electrical and mechanical equivalence to the RC1005F19R1CS. Both parts share identical resistance, tolerance, power rating, package dimensions, and environmental specifications. This substitute is suitable for applications without automotive qualification requirements.

Upgrade Option (Enhanced Reliability): ERJ-2RKF19R1X (Panasonic Electronic Components) offers increased power rating of 0.1W (1/10W) within the same 0402 package footprint and includes Automotive AEC-Q200 certification. This part is applicable for designs requiring automotive-grade components or enhanced thermal margin.

Automotive-Qualified Alternatives: CRCW040219R1FKED (Vishay Dale) and RMCF0402FT19R1 (Stackpole Electronics Inc) both maintain the original 0.063W power specification with Automotive AEC-Q200 certification. These parts are specified for automotive and high-reliability applications where AEC-Q200 compliance is mandatory.

All substitute parts maintain Active product status, ROHS3 compliance, and unlimited moisture sensitivity rating. Selection between alternatives depends on supply availability, automotive qualification requirements, and thermal design margins.

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-0719R1L replace RC1005F19R1CS in any application? A: Yes. RC0402FR-0719R1L is a direct equivalent with identical electrical specifications, tolerance, package dimensions, and environmental ratings. No design modifications are required.

Q: What is the difference between the 0.063W and 0.1W power-rated versions? A: ERJ-2RKF19R1X is rated for 0.1W (1/10W) compared to the standard 0.063W (1/16W) rating. Both fit the same 0402 package. The higher power rating provides increased thermal capacity and is suitable for applications with higher power dissipation margins or automotive requirements.

Q: Are the automotive-qualified parts (AEC-Q200) compatible with non-automotive designs? A: Yes. Automotive-qualified parts such as ERJ-2RKF19R1X, CRCW040219R1FKED, and RMCF0402FT19R1 meet or exceed all specifications of the original part and are fully compatible with non-automotive applications. AEC-Q200 certification indicates additional reliability testing and is not restrictive for general use.

Q: Do all substitute parts have the same physical dimensions? A: Yes. All substitute parts are specified in 0402 (1005 Metric) package format with identical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum seated height of 0.016" (0.40mm). They are mechanically interchangeable on PCB layouts.

Q: What is Moisture Sensitivity Level 1 (Unlimited)? A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. The part does not require special moisture-controlled storage or handling procedures and can be stored under standard conditions indefinitely.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All identified substitute parts maintain ROHS3 compliance, meeting the same environmental and hazardous substance restrictions as the original RC1005F19R1CS.

Q: Which substitute part has the highest inventory availability? A: RC0402FR-0719R1L (YAGEO) has 27,562 pieces in stock, followed by ERJ-2RKF19R1X (Panasonic) with 67,340 pieces. Inventory levels should be confirmed with current suppliers for procurement planning.