RC2012J245CS Equivalent & Substitute Parts

Part Overview

The RC2012J245CS is a 2.4 MOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This surface mount device is rated for 0.125W (1/8W) power dissipation and operates across the temperature range of -55°C to 155°C. The component features moisture resistance and is ROHS3 compliant with MSL 1 rating, indicating unlimited moisture sensitivity protection. As an active product with established supply availability, equivalent and substitute parts are identified to support design flexibility, procurement optimization, and supply chain continuity.

Substiute Parts

RC2012J245CS

Samsung Electro-MechanicsIn Stock: 728RC2012J245CS Datasheet

Current PartRFQ

RC0805JR-072M4L

YAGEOIn Stock: 6808RC0805JR-072M4L Datasheet

DirectRFQ

RC0805FR-072M4L

YAGEOIn Stock: 4906RC0805FR-072M4L Datasheet

UpgradeRFQ

RMCF0805FT2M40

Stackpole Electronics IncIn Stock: 36491RMCF0805FT2M40 Datasheet

UpgradeRFQ

RMCF0805JT2M40

Stackpole Electronics IncIn Stock: 5938RMCF0805JT2M40 Datasheet

UpgradeRFQ

CRCW08052M40FKEA

Vishay DaleIn Stock: 13049CRCW08052M40FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012J245CS is determined by strict adherence to the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 2.4 MOhms
• Package / Case: 0805 (2012 Metric)
• Power rating: 0.125W (1/8W)
• Composition: Thick Film
• Operating temperature range: -55°C to 155°C
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

Allowable Variation Parameters:

• Tolerance: ±5% (direct equivalent) or ±1% (upgrade specification)
• Temperature coefficient: ±100ppm/°C (standard) or ±200ppm/°C (automotive-grade)
• Manufacturer: Different manufacturers permitted if all mandatory parameters match
• Features: Moisture resistant (standard) or Automotive AEC-Q200 (enhanced specification)

Substitute parts are grouped into two categories: direct equivalents matching the ±5% tolerance specification, and upgrade alternatives offering improved tolerance (±1%) or automotive-grade qualification (AEC-Q200).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Specification):

RC0805JR-072M4L (YAGEO) is a direct functional equivalent to RC2012J245CS, matching all mandatory parameters including 2.4 MOhms resistance, ±5% tolerance, 0.125W power rating, 0805 package, and operating temperature range. Both components feature identical temperature coefficient (±100ppm/°C) and moisture resistance. This part is suitable for one-to-one replacement in applications where the original specification is maintained.

Upgrade Alternatives (Enhanced Tolerance):

RC0805FR-072M4L (YAGEO) and CRCW08052M40FKEA (Vishay Dale) provide improved tolerance specification at ±1%, compared to the ±5% of the original part. Both maintain identical resistance value, power rating, package format, and operating temperature range. RC0805FR-072M4L retains the standard temperature coefficient (±100ppm/°C), while CRCW08052M40FKEA adds automotive AEC-Q200 qualification. These upgrades are applicable in designs requiring tighter tolerance control.

Automotive-Grade Alternatives (AEC-Q200 Qualified):

RMCF0805FT2M40 and RMCF0805JT2M40 (Stackpole Electronics Inc) and CRCW08052M40FKEA (Vishay Dale) are automotive-grade components with AEC-Q200 certification. RMCF0805FT2M40 combines ±1% tolerance with AEC-Q200 qualification. RMCF0805JT2M40 maintains ±5% tolerance with AEC-Q200 qualification. Both Stackpole parts feature ±200ppm/°C temperature coefficient. These alternatives are specified for automotive applications or designs requiring enhanced reliability qualification.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range, ensuring compatibility with the original design constraints.

Frequently Asked Questions (FAQ)

Q: Can RC0805JR-072M4L be used as a direct replacement for RC2012J245CS?

A: Yes. RC0805JR-072M4L is a direct equivalent meeting all mandatory specifications: 2.4 MOhms resistance, ±5% tolerance, 0.125W power rating, 0805 package, and -55°C to 155°C operating temperature. Both components feature identical temperature coefficient and moisture resistance characteristics.

Q: What is the difference between the ±5% and ±1% tolerance options?

A: Tolerance defines the allowable deviation from the nominal resistance value. The ±5% specification permits resistance variation of ±120 kOhms from 2.4 MOhms nominal. The ±1% specification restricts variation to ±24 kOhms. Applications requiring tighter resistance control should specify ±1% tolerance parts such as RC0805FR-072M4L or CRCW08052M40FKEA.

Q: Are automotive-grade parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive-grade parts such as RMCF0805FT2M40 and CRCW08052M40FKEA meet or exceed the specifications of standard industrial-grade components. These parts are qualified to higher reliability standards and can be used in any application where the original specification is met. Automotive qualification does not restrict use to automotive applications.

Q: What does the temperature coefficient specification indicate?

A: Temperature coefficient (ppm/°C) quantifies the resistance change per degree Celsius across the operating temperature range. The RC2012J245CS and most substitutes specify ±100ppm/°C, while automotive-grade Stackpole parts specify ±200ppm/°C. Lower temperature coefficients indicate better stability across temperature variations. Both values are acceptable within the -55°C to 155°C operating range.

Q: Are all substitute parts available in the same 0805 package format?

A: Yes. All listed substitute parts are specified in 0805 (2012 Metric) package format, ensuring mechanical and electrical compatibility with PCB layouts designed for the RC2012J245CS. Physical dimensions and termination count are identical across all alternatives.

Q: What is the significance of MSL 1 rating?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited moisture sensitivity protection. Components with MSL 1 rating do not require special moisture control during storage, handling, or assembly. All listed parts maintain MSL 1 rating, ensuring consistent moisture management requirements.

Q: Can CRCW08052M40FKEA be substituted for applications requiring both improved tolerance and automotive qualification?

A: Yes. CRCW08052M40FKEA combines ±1% tolerance with AEC-Q200 automotive qualification, meeting both enhanced tolerance and automotive reliability requirements. This part is suitable for applications requiring either or both specifications.