RC2012F1912CS 19.1kΩ ±1% 1/8W 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012F1912CS is a thick film chip resistor manufactured by Samsung Electro-Mechanics with a resistance value of 19.1 kΩ, tolerance of ±1%, and power rating of 0.125W (1/8W) in the 0805 (2012 Metric) package. The component features moisture-resistant construction and operates across the temperature range of -55°C to 155°C. Product status is Active with 661 pieces currently in stock. Equivalent and substitute parts are necessary to address supply chain continuity, alternative sourcing options, and application-specific requirements such as automotive qualification or enhanced pulse withstanding capabilities.

Substiute Parts

RC2012F1912CS

Samsung Electro-MechanicsIn Stock: 769RC2012F1912CS Datasheet

Current PartRFQ

CR0805-FX-1912ELF

Bourns Inc.In Stock: 23627CR0805-FX-1912ELF Datasheet

DirectRFQ

ERJ-6ENF1912V

Panasonic Electronic ComponentsIn Stock: 92156ERJ-6ENF1912V Datasheet

DirectRFQ

KTR10EZPF1912

Rohm SemiconductorIn Stock: 9000KTR10EZPF1912 Datasheet

DirectRFQ

RC0805FR-0719K1L

YAGEOIn Stock: 59866RC0805FR-0719K1L Datasheet

DirectRFQ

RMCF0805FT19K1

Stackpole Electronics IncIn Stock: 52650RMCF0805FT19K1 Datasheet

DirectRFQ

CRCW080519K1FKEA

Vishay DaleIn Stock: 16555CRCW080519K1FKEA Datasheet

SimilarRFQ

CRCW080519K1FKEAHP

Vishay DaleIn Stock: 4607CRCW080519K1FKEAHP Datasheet

SimilarRFQ

MCR10ERTF1912

Rohm SemiconductorIn Stock: 891MCR10ERTF1912 Datasheet

SimilarRFQ

RCS080519K1FKEA

Vishay DaleIn Stock: 4339RCS080519K1FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC2012F1912CS is based on strict electrical and mechanical parameter matching. All substitute parts must meet the following criteria:

Core Substitution Requirements:

• Resistance value: 19.1 kΩ (exact)
• Tolerance: ±1% (exact)
• Package: 0805 (2012 Metric) (exact)
• Composition: Thick Film (exact)
• Temperature Coefficient: ±100ppm/°C (exact)
• Operating Temperature Range: -55°C to 155°C (exact)
• Terminations: 2 (exact)
• RoHS Status: ROHS3 Compliant (exact)
• MSL: 1 (Unlimited) (exact)

Direct Substitutes (Identical Specifications): Parts meeting all core requirements with 0.125W (1/8W) power rating and standard packaging (Tape & Reel).

Similar Substitutes (Enhanced or Modified Specifications): Parts meeting all core requirements but with variations in power rating (0.5W/1/2W), special features (Automotive AEC-Q200, Pulse Withstanding), or packaging format (Cut Tape).

Discontinued Parts: Parts no longer in active production but electrically and mechanically compatible, listed for reference only.

Parameter Comparison

Engineering Selection Recommendations

For Direct Substitution (Identical Electrical and Mechanical Specifications):

CR0805-FX-1912ELF (Bourns Inc.) and RC0805FR-0719K1L (YAGEO) are direct substitutes with identical 0.125W power rating, 0805 package, and moisture-resistant construction. Both are Active products with high inventory availability (23,610 and 59,778 pieces respectively). These parts are suitable for applications requiring no design modification.

For Automotive Applications (AEC-Q200 Qualified):

ERJ-6ENF1912V (Panasonic), RMCF0805FT19K1 (Stackpole), and CRCW080519K1FKEA (Vishay Dale) are AEC-Q200 qualified alternatives with identical electrical specifications and 0.125W power rating. These parts are appropriate for automotive-grade circuit designs. ERJ-6ENF1912V offers the highest inventory (92,143 pieces).

For High-Voltage or Pulse-Withstanding Applications:

KTR10EZPF1912 (Rohm Semiconductor) provides Automotive AEC-Q200 qualification with high-voltage capability while maintaining 0.125W power rating. CRCW080519K1FKEAHP (Vishay Dale) and RCS080519K1FKEA (Vishay Dale) offer enhanced pulse-withstanding characteristics with 0.5W power rating for applications requiring higher transient energy absorption.

For Supply Chain Continuity:

Multiple manufacturers (Samsung, Bourns, Panasonic, Rohm, YAGEO, Stackpole, Vishay) provide equivalent parts, ensuring supply chain resilience. Total combined inventory across all active substitutes exceeds 260,000 pieces.

Discontinued Parts:

MCR10ERTF1912 (Rohm Semiconductor) is discontinued at DiGi Electronics but remains electrically and mechanically compatible. Use only if existing inventory is available and long-term supply is not required.

Frequently Asked Questions (FAQ)

Q: Can I use CRCW080519K1FKEAHP as a direct replacement for RC2012F1912CS?

A: CRCW080519K1FKEAHP is electrically compatible (19.1 kΩ, ±1%, 0805 package) but has a higher power rating (0.5W vs. 0.125W). It is a suitable substitute if the application can accommodate the increased power dissipation capability. The component will occupy the same PCB footprint and function identically in the circuit.

Q: What is the difference between moisture-resistant and AEC-Q200 qualified parts?

A: Moisture-resistant parts (CR0805-FX-1912ELF, RC0805FR-0719K1L) are designed for general industrial applications with enhanced protection against humidity. AEC-Q200 qualified parts (ERJ-6ENF1912V, RMCF0805FT19K1, CRCW080519K1FKEA) meet automotive industry reliability standards and are suitable for automotive and high-reliability applications. Both meet ROHS3 compliance and operate across -55°C to 155°C.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Most substitute parts are available in Tape & Reel (TR) packaging. MCR10ERTF1912 is available in Cut Tape (CT) & Digi-Reel® format. Verify packaging format with supplier specifications if automated assembly equipment has specific reel compatibility requirements.

Q: Can I substitute a 0.5W part for a 0.125W part in my circuit?

A: Yes, a 0.5W part (CRCW080519K1FKEAHP, RCS080519K1FKEA) can replace a 0.125W part. The higher power rating provides additional thermal margin and is electrically compatible. The component will function identically with no circuit modification required. However, verify that the increased component height (0.50mm vs. 0.65mm) does not conflict with PCB assembly constraints.

Q: What is the Temperature Coefficient specification and why is it important?

A: Temperature Coefficient of ±100ppm/°C indicates the resistance value changes by ±100 parts per million for each degree Celsius change in operating temperature. All listed substitutes share this specification, ensuring consistent circuit performance across the -55°C to 155°C operating range. This parameter is critical for precision analog circuits and must match the original part specification.

Q: Is MCR10ERTF1912 still usable despite being discontinued?

A: MCR10ERTF1912 is electrically and mechanically identical to RC2012F1912CS and remains usable if existing inventory is available. However, it is discontinued at DiGi Electronics, meaning future supply cannot be guaranteed. Use only for applications where long-term component availability is not a requirement or where existing stock is sufficient for the product lifecycle.

Q: How do I verify PCB footprint compatibility?

A: All listed parts use the 0805 (2012 Metric) package with identical dimensions: 0.079" L × 0.049" W (2.00mm × 1.25mm). Component height varies slightly (0.50mm to 0.70mm maximum seated height), but this variation is within standard PCB assembly tolerances and does not affect footprint compatibility. Verify with your PCB design files that the 0805 footprint is used.

Q: Which substitute offers the best inventory availability?

A: ERJ-6ENF1912V (Panasonic Electronic Components) offers the highest inventory with 92,143 pieces in stock. This part is AEC-Q200 qualified, Active status, and electrically identical to the main part. RC0805FR-0719K1L (YAGEO) is the second option with 59,778 pieces available.