RC2012F9091CS 9.09 kOhm 1% 1/8W 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012F9091CS is a thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 9.09 kOhms with ±1% tolerance and 0.125W (1/8W) power dissipation in 0805 (2012 Metric) package format. The component features moisture-resistant construction and operates across the temperature range of -55°C to 155°C. Product status is Active with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RC2012F9091CS

Samsung Electro-MechanicsIn Stock: 1141RC2012F9091CS Datasheet

Current PartRFQ

CR0805-FX-9091ELF

Bourns Inc.In Stock: 76105CR0805-FX-9091ELF Datasheet

DirectRFQ

ERJ-6ENF9091V

Panasonic Electronic ComponentsIn Stock: 57443ERJ-6ENF9091V Datasheet

DirectRFQ

KTR10EZPF9091

Rohm SemiconductorIn Stock: 6891KTR10EZPF9091 Datasheet

DirectRFQ

RC0805FR-079K09L

YAGEOIn Stock: 5094RC0805FR-079K09L Datasheet

DirectRFQ

RMCF0805FT9K09

Stackpole Electronics IncIn Stock: 31040RMCF0805FT9K09 Datasheet

DirectRFQ

AC0805FR-079K09L

YAGEOIn Stock: 1530AC0805FR-079K09L Datasheet

SimilarRFQ

CRCW08059K09FKEA

Vishay DaleIn Stock: 11023CRCW08059K09FKEA Datasheet

SimilarRFQ

CRCW08059K09FKEAHP

Vishay DaleIn Stock: 10393CRCW08059K09FKEAHP Datasheet

SimilarRFQ

RCS08059K09FKEA

Vishay DaleIn Stock: 3884RCS08059K09FKEA Datasheet

SimilarRFQ

RMCF0805FG9K09

Stackpole Electronics IncIn Stock: 4183RMCF0805FG9K09 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC2012F9091CS is based on strict equivalence of the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 9.09 kOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Number of terminations: 2
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

Substitution Categories:

Direct Substitutes (Identical Specifications): Parts meeting all mandatory parameters with no deviations in electrical or mechanical characteristics.

Similar Substitutes (Enhanced Features): Parts matching all mandatory parameters but offering additional certifications (AEC-Q200 automotive qualification) or enhanced features (moisture resistance, high voltage capability, pulse withstanding) without compromising base specifications.

Non-Equivalent Parts (Power Rating Deviation): Parts with identical resistance, tolerance, and package but different power ratings (0.5W instead of 0.125W) are listed for reference only and are not direct substitutes due to thermal specification mismatch.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Recommended for Pin-for-Pin Replacement):

CR0805-FX-9091ELF (Bourns Inc.) and RC0805FR-079K09L (YAGEO) are direct functional equivalents to the RC2012F9091CS. Both parts match all electrical and mechanical specifications without deviation. Selection between these options depends on packaging format availability: CR0805-FX-9091ELF is supplied in Tape & Reel format, while RC0805FR-079K09L is available in Cut Tape and Digi-Reel formats.

Similar Substitutes (Recommended for Enhanced Reliability Applications):

Parts with AEC-Q200 automotive qualification—ERJ-6ENF9091V (Panasonic), KTR10EZPF9091 (Rohm), RMCF0805FT9K09 (Stackpole), AC0805FR-079K09L (YAGEO), CRCW08059K09FKEA (Vishay Dale), and RMCF0805FG9K09 (Stackpole)—are suitable for applications requiring automotive-grade reliability. These parts maintain identical electrical specifications and operating parameters while providing additional qualification documentation. KTR10EZPF9091 includes high voltage capability as an additional feature. AC0805FR-079K09L combines both AEC-Q200 and moisture-resistant features.

Non-Equivalent Parts (Not Recommended as Direct Substitutes):

CRCW08059K09FKEAHP and RCS08059K09FKEA feature 0.5W (1/2W) power ratings, which differ from the 0.125W specification of the main part. These components are not direct substitutes due to thermal specification mismatch and should not be used as replacements without circuit re-evaluation.

Frequently Asked Questions (FAQ)

Q: Can I substitute CR0805-FX-9091ELF for RC2012F9091CS in my circuit?

A: Yes. CR0805-FX-9091ELF is a direct substitute. Both parts share identical resistance (9.09 kOhms), tolerance (±1%), power rating (0.125W), package (0805), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1). Physical dimensions and termination count are equivalent.

Q: What is the difference between "Direct" and "Similar" substitutes?

A: Direct substitutes match all specifications of the main part without additional features. Similar substitutes match all core electrical and mechanical specifications but include enhanced certifications or features. For example, ERJ-6ENF9091V is a Similar substitute because it adds AEC-Q200 automotive qualification while maintaining identical base specifications. Both categories are functionally interchangeable in the circuit.

Q: Why are CRCW08059K09FKEAHP and RCS08059K09FKEA listed if they are not direct substitutes?

A: These parts are listed for reference to clarify substitution boundaries. While they match resistance, tolerance, and package specifications, their 0.5W power rating differs from the 0.125W requirement. Using a higher power-rated component may alter circuit thermal behavior and is not recommended without circuit analysis.

Q: Does packaging format affect substitutability?

A: Packaging format (Tape & Reel, Cut Tape, Digi-Reel) affects supply chain and handling but does not affect electrical or mechanical interchangeability. All listed substitutes are compatible with standard 0805 pick-and-place assembly equipment. Verify packaging availability with your supplier based on production volume and assembly process requirements.

Q: Are AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification indicates enhanced reliability testing and documentation. Parts meeting this standard are suitable for any application, including non-automotive circuits. Using AEC-Q200 qualified components in non-automotive applications provides additional quality assurance without functional impact.

Q: What does MSL 1 (Unlimited) mean for component handling?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This classification applies to all listed substitutes and the main part, eliminating moisture-related procurement and storage constraints.

Q: Can I use these substitutes in high-temperature applications?

A: Yes. All listed substitutes and the main part operate across -55°C to 155°C with ±100ppm/°C temperature coefficient. This range covers industrial and automotive temperature requirements. Verify that your specific application does not exceed these limits.

Q: How do I select between multiple substitute options?

A: Selection criteria are: (1) Direct substitutes for standard applications requiring exact specification match; (2) Similar substitutes with AEC-Q200 for applications requiring automotive-grade reliability documentation; (3) Packaging format based on assembly process and supply chain availability; (4) Manufacturer preference based on existing supply relationships or qualification requirements.