180 kOhms ±5% 1/8W 0805 Chip Resistor RC2012J184CS Equivalent & Substitute Parts

Part Overview

The RC2012J184CS is a 180 kOhms thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation with ±5% tolerance and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and is currently in active production status with 1067 units in stock.

Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design specifications allow for upgraded tolerance or enhanced feature sets such as automotive qualification or higher power ratings.

Substiute Parts

RC2012J184CS

Samsung Electro-MechanicsIn Stock: 1148RC2012J184CS Datasheet

Current PartRFQ

RC2012F184CS

Samsung Electro-MechanicsIn Stock: 868RC2012F184CS Datasheet

UpgradeRFQ

RC0805JR-07180KL

YAGEOIn Stock: 21762RC0805JR-07180KL Datasheet

DirectRFQ

AC0805FR-07180KL

YAGEOIn Stock: 5457AC0805FR-07180KL Datasheet

UpgradeRFQ

CRG0805F180K

TE Connectivity Passive ProductIn Stock: 15682CRG0805F180K Datasheet

UpgradeRFQ

ERJ-6ENF1803V

Panasonic Electronic ComponentsIn Stock: 70172ERJ-6ENF1803V Datasheet

UpgradeRFQ

KTR10EZPF1803

Rohm SemiconductorIn Stock: 1913KTR10EZPF1803 Datasheet

UpgradeRFQ

RC0805FR-07180KL

YAGEOIn Stock: 5668RC0805FR-07180KL Datasheet

UpgradeRFQ

RMCF0805FT180K

Stackpole Electronics IncIn Stock: 40862RMCF0805FT180K Datasheet

UpgradeRFQ

CRCW0805180KFKEA

Vishay DaleIn Stock: 47586CRCW0805180KFKEA Datasheet

SimilarRFQ

CRCW0805180KFKEAHP

Vishay DaleIn Stock: 5200CRCW0805180KFKEAHP Datasheet

SimilarRFQ

ERJ-UP6F1803V

Panasonic Electronic ComponentsIn Stock: 5875ERJ-UP6F1803V Datasheet

SimilarRFQ

RCS0805180KFKEA

Vishay DaleIn Stock: 4465RCS0805180KFKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC2012J184CS is determined by strict adherence to the following core parameters:

Mandatory Matching Parameters:

• Resistance value: 180 kOhms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: MSL 1 (exact match required)

Allowable Upgrade Parameters:

• Tolerance: ±5% (original) can be upgraded to ±1% (tighter tolerance)
• Power Rating: 0.125W (original) can be upgraded to 0.5W (higher power capability)
• Packaging Format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable
• Features: Addition of Automotive AEC-Q200 qualification or Moisture Resistant designation represents an upgrade

Substitution Categories:

Direct Equivalents (±5% Tolerance): Parts with identical electrical specifications and ±5% tolerance matching the original RC2012J184CS.

Upgrade Substitutes (±1% Tolerance): Parts with tighter tolerance specification (±1%) while maintaining all other core parameters. These provide improved accuracy without changing functional compatibility.

Automotive-Qualified Upgrades: Parts with ±1% tolerance and AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability.

Enhanced Power Rating Variants: Parts with 0.5W power rating in the same package, providing increased thermal headroom while maintaining electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

For Direct Equivalent Replacement (Same Specifications):

RC0805JR-07180KL from YAGEO serves as a direct equivalent with ±5% tolerance matching the original RC2012J184CS. This part maintains identical electrical and thermal specifications while offering significantly higher inventory availability (21,729 units) and alternative packaging format options (Cut Tape & Digi-Reel). Both parts are ROHS3 compliant with MSL 1 rating and support the full -55°C to 155°C operating range.

For Tolerance Upgrade (±5% to ±1%):

RC2012F184CS from Samsung Electro-Mechanics provides a tolerance upgrade to ±1% while maintaining the same manufacturer lineage and all core specifications. This upgrade is suitable when circuit design requires tighter resistance accuracy without changing the component footprint or thermal characteristics.

RC0805FR-07180KL from YAGEO offers ±1% tolerance with moisture resistant features and maintains compatibility with the original package and operating parameters.

For Automotive-Qualified Applications:

AC0805FR-07180KL (YAGEO), ERJ-6ENF1803V (Panasonic), RMCF0805FT180K (Stackpole), and CRCW0805180KFKEA (Vishay Dale) all provide AEC-Q200 automotive qualification with ±1% tolerance. These parts are suitable for automotive and industrial applications requiring enhanced reliability certification. ERJ-6ENF1803V offers the highest inventory availability (70,130 units) among automotive-qualified options.

For Enhanced Power Dissipation:

CRCW0805180KFKEAHP from Vishay Dale provides a 0.5W power rating (4x the original 0.125W) while maintaining the same 0805 package footprint. This part includes pulse withstanding capability and AEC-Q200 qualification, making it suitable for applications requiring higher thermal headroom or transient pulse tolerance.

For General Industrial Applications:

CRG0805F180K from TE Connectivity offers ±1% tolerance with high inventory availability (15,626 units) and represents a cost-effective upgrade option for non-automotive applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012J184CS with a ±1% tolerance part?

A: Yes. Parts with ±1% tolerance such as RC2012F184CS, RC0805FR-07180KL, ERJ-6ENF1803V, RMCF0805FT180K, and CRCW0805180KFKEA are direct upgrades. The tighter tolerance provides improved accuracy while maintaining full electrical and mechanical compatibility. All substitute parts maintain the same 0805 package, operating temperature range, and thermal specifications.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging is supplied on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) packaging is supplied as individual tape segments, suitable for lower-volume applications or manual assembly. Both formats contain identical components; the difference is in the delivery and handling format. Digi-Reel is a DiGi Electronics specific reel format. All three formats are mechanically and electrically compatible.

Q: Are AEC-Q200 qualified parts compatible with non-automotive applications?

A: Yes. AEC-Q200 qualified parts such as AC0805FR-07180KL, ERJ-6ENF1803V, KTR10EZPF1803, RMCF0805FT180K, and CRCW0805180KFKEA meet automotive reliability standards and are fully compatible with general industrial and consumer applications. These parts represent an upgrade in reliability certification and can be used as direct substitutes in any application where the original part is specified.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 (Unlimited) indicates that the component has no moisture sensitivity limitations. These parts do not require special moisture-controlled storage or handling procedures and can be stored and handled under standard industrial conditions indefinitely. All listed substitute parts maintain MSL 1 rating.

Q: Can I use CRCW0805180KFKEAHP (0.5W) in place of RC2012J184CS (0.125W)?

A: Yes. The CRCW0805180KFKEAHP with 0.5W power rating is a direct mechanical and electrical substitute with enhanced thermal capability. The higher power rating provides additional margin for thermal dissipation and pulse withstanding. This part is suitable for applications where the original 0.125W rating is adequate, as the higher rating does not create incompatibility. The 0805 package footprint remains identical.

Q: What is the temperature coefficient specification and why does it matter?

A: The ±100ppm/°C temperature coefficient specifies how the resistance value changes with temperature. All listed parts maintain this specification, meaning the resistance will drift by approximately 0.01% per degree Celsius change from the reference temperature. This specification is consistent across all substitutes and ensures predictable performance across the -55°C to 155°C operating range.

Q: Which substitute part has the highest inventory availability?

A: ERJ-6ENF1803V from Panasonic Electronic Components has the highest inventory availability with 70,130 units in stock. This part offers ±1% tolerance, AEC-Q200 automotive qualification, and Tape & Reel packaging. CRCW0805180KFKEA from Vishay Dale is the second highest with 47,484 units.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, ensuring compliance with European Union Restriction of Hazardous Substances regulations. This compliance is consistent across all manufacturers and part numbers listed.