RC2012F4222CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F4222CS is a 42.2 kOhms ±1% 0.125W chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently active in production with 754 units in stock. Equivalent and substitute parts are identified when identical electrical specifications and mechanical compatibility are maintained across alternative manufacturers.

Substiute Parts

RC2012F4222CS

Samsung Electro-MechanicsIn Stock: 840RC2012F4222CS Datasheet

Current PartRFQ

RC0805FR-0742K2L

YAGEOIn Stock: 68629RC0805FR-0742K2L Datasheet

DirectRFQ

CRCW080542K2FKEA

Vishay DaleIn Stock: 16744CRCW080542K2FKEA Datasheet

SimilarRFQ

ERJ-6ENF4222V

Panasonic Electronic ComponentsIn Stock: 184286ERJ-6ENF4222V Datasheet

SimilarRFQ

KTR10EZPF4222

Rohm SemiconductorIn Stock: 6336KTR10EZPF4222 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Resistance value: 42.2 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.125W / 1/8W (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)

Mechanical Specifications:

• Package type: 0805 (2012 Metric) (exact match required)
• Number of terminations: 2 (exact match required)
• Composition: Thick Film (exact match required)

Compliance & Environmental:

• RoHS3 compliance (required)
• MSL 1 rating (required)
• REACH unaffected status (required)

All substitute parts listed below meet these criteria. Additional features such as automotive AEC-Q200 qualification or high voltage capability represent enhancements that do not disqualify substitution but indicate expanded application scope.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are functionally equivalent to the RC2012F4222CS based on identical electrical and mechanical specifications. Selection among these alternatives should be based on the following factors:

Availability & Lead Time: ERJ-6ENF4222V (Panasonic) offers the highest inventory level at 184,260 units, followed by RC0805FR-0742K2L (YAGEO) at 68,579 units. These options provide superior supply chain flexibility for high-volume applications.

Packaging Considerations: RC0805FR-0742K2L (YAGEO) is available in Cut Tape (CT) & Digi-Reel® format, which may be preferred for lower-volume or prototype applications. All other substitutes are supplied in Tape & Reel (TR) format, standard for automated assembly.

Automotive Applications: CRCW080542K2FKEA (Vishay Dale), ERJ-6ENF4222V (Panasonic), and KTR10EZPF4222 (Rohm) carry AEC-Q200 automotive qualification. KTR10EZPF4222 additionally features high voltage capability. These parts are suitable for automotive and harsh environment applications where enhanced reliability standards are required.

Physical Dimensions: All parts maintain 0805 package compatibility. Height variations range from 0.020" to 0.028", which are within typical PCB assembly tolerances. CRCW080542K2FKEA offers the lowest profile at 0.020" (0.50mm).

Compliance Status: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, matching the original part's environmental and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0742K2L (YAGEO) be used as a direct replacement for RC2012F4222CS (Samsung)?

A: Yes. Both parts share identical electrical specifications (42.2 kOhms ±1%, 0.125W), temperature characteristics (±100ppm/°C, -55°C ~ 155°C), package format (0805), and compliance ratings (ROHS3, MSL 1). The primary difference is packaging format: YAGEO supplies Cut Tape & Digi-Reel® while Samsung uses Tape & Reel. This distinction affects handling and assembly processes but not electrical performance.

Q: What is the difference between the standard RC2012F4222CS and the automotive-qualified alternatives?

A: The RC2012F4222CS is specified as moisture-resistant thick film. CRCW080542K2FKEA (Vishay Dale), ERJ-6ENF4222V (Panasonic), and KTR10EZPF4222 (Rohm) carry additional AEC-Q200 automotive qualification, indicating compliance with automotive reliability and testing standards. These parts are suitable for automotive, industrial, and mission-critical applications. All maintain identical core electrical specifications.

Q: Are there any height or dimensional constraints when substituting these parts?

A: All substitute parts conform to the 0805 (2012 Metric) package standard with dimensions of 0.079" L x 0.049" W. Seated heights vary between 0.020" and 0.028", representing a 0.008" (0.20mm) maximum variation. This range is within standard PCB assembly tolerances and does not require design modification. Verify specific height requirements for applications with tight vertical clearance constraints.

Q: Which substitute offers the best availability for immediate procurement?

A: ERJ-6ENF4222V (Panasonic Electronic Components) provides the highest inventory level at 184,260 units in stock, followed by RC0805FR-0742K2L (YAGEO) at 68,579 units. Both options support rapid procurement for high-volume production or urgent requirements.

Q: Is KTR10EZPF4222 (Rohm) suitable for high-voltage applications?

A: KTR10EZPF4222 is specified with high voltage capability in addition to AEC-Q200 automotive qualification. However, the provided specifications do not detail maximum voltage ratings. For high-voltage applications, consult the manufacturer's detailed datasheet to confirm voltage specifications and ensure suitability for your circuit requirements.

Q: Can these parts be used interchangeably in existing designs without PCB modification?

A: Yes, for standard applications. All parts maintain 0805 package compatibility and identical electrical specifications. However, verify the following before implementation: (1) PCB footprint tolerance accommodates the height variation range (0.020" to 0.028"), (2) packaging format (Tape & Reel vs. Cut Tape) is compatible with your assembly process, and (3) any application-specific requirements (automotive qualification, high voltage) are met by the selected substitute.