RCS2012J245CS Equivalent & Substitute Parts

Part Overview

The RCS2012J245CS is a 2.4 MOhms ±5% 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 and features anti-sulfur and moisture-resistant construction. The part maintains Active product status with 913 units currently in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the 0805 package footprint, allowing for design flexibility and supply chain optimization.

Substiute Parts

RCS2012J245CS

Samsung Electro-MechanicsIn Stock: 986RCS2012J245CS Datasheet

Current PartRFQ

CRCW08052M40FKEA

Vishay DaleIn Stock: 13049CRCW08052M40FKEA Datasheet

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RC0805FR-072M4L

YAGEOIn Stock: 4906RC0805FR-072M4L Datasheet

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RC0805JR-072M4L

YAGEOIn Stock: 6808RC0805JR-072M4L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RCS2012J245CS is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Resistance value: 2.4 MOhms (exact match required)
• Power rating: 0.125W minimum (1/8W)
• Package: 0805 (2012 Metric) form factor
• Composition: Thick film construction
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C minimum
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS3 compliance

Tolerance Consideration: Parts with ±1% tolerance (tighter than the original ±5%) are electrically compatible substitutes, as they meet or exceed the original specification. Parts with ±5% tolerance provide direct equivalence.

All substitute parts listed maintain identical package dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm), identical termination count (2), and identical compliance certifications (ROHS3, REACH Unaffected, EAR99).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Tolerance Match): RC0805JR-072M4L from YAGEO provides direct equivalence with identical ±5% tolerance specification. This part maintains all electrical and mechanical parameters of the RCS2012J245CS while offering 6,756 units in stock inventory.

Enhanced Tolerance Substitutes: CRCW08052M40FKEA (Vishay Dale) and RC0805FR-072M4L (YAGEO) both feature ±1% tolerance, which exceeds the original ±5% specification. These parts are electrically superior substitutes suitable for applications requiring tighter resistance tolerance. CRCW08052M40FKEA includes AEC-Q200 automotive qualification. RC0805FR-072M4L provides 4,815 units in stock.

Compliance Verification: All substitute parts maintain ROHS3 compliance, REACH Unaffected status, and EAR99 classification, matching the regulatory posture of the original RCS2012J245CS. All parts operate across the identical -55°C ~ 155°C temperature range with ±100ppm/°C temperature coefficient.

Physical Compatibility: All substitute parts utilize the 0805 (2012 Metric) package with identical footprint dimensions (2.00mm x 1.25mm). Seated height variations (0.020" to 0.026") remain within standard PCB assembly tolerances and do not affect electrical performance or mechanical fit.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-072M4L (±1% tolerance) replace RCS2012J245CS (±5% tolerance)? A: Yes. The ±1% tolerance specification of RC0805FR-072M4L exceeds the ±5% requirement of RCS2012J245CS. This represents an electrical improvement suitable for any application requiring the original part.

Q: Are all substitute parts compatible with the same PCB footprint? A: Yes. All listed substitutes use the 0805 (2012 Metric) package with identical land pattern dimensions (2.00mm x 1.25mm). Seated height variations do not affect PCB assembly compatibility.

Q: What is the difference between CRCW08052M40FKEA and the YAGEO alternatives? A: CRCW08052M40FKEA includes AEC-Q200 automotive qualification and features a lower seated height (0.020" vs. 0.024"). Both YAGEO parts (RC0805FR-072M4L and RC0805JR-072M4L) are functionally equivalent to the original Samsung part, with RC0805JR-072M4L matching the ±5% tolerance exactly.

Q: Do all substitute parts meet the same environmental and compliance standards? A: Yes. All substitute parts are ROHS3 compliant, REACH Unaffected, and classified as EAR99. All maintain MSL 1 (Unlimited) moisture sensitivity rating and operate across -55°C ~ 155°C.

Q: Which substitute offers the best inventory availability? A: CRCW08052M40FKEA (Vishay Dale) provides the highest inventory with 12,977 units in stock, followed by RC0805JR-072M4L (YAGEO) with 6,756 units and RC0805FR-072M4L (YAGEO) with 4,815 units.

Q: Can I use CRCW08052M40FKEA in non-automotive applications? A: Yes. AEC-Q200 qualification indicates automotive-grade reliability and does not restrict use in non-automotive applications. This part exceeds standard requirements for general industrial and consumer applications.