RCS2012F34R8CS Equivalent & Substitute Parts

Part Overview

The RCS2012F34R8CS is a 34.8 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in 0805 (2012 Metric) package format. This component is designed for general-purpose applications requiring precision resistive elements with anti-sulfur and moisture-resistant properties. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct interchangeability in circuit designs.

Substiute Parts

RCS2012F34R8CS

Samsung Electro-MechanicsIn Stock: 1193RCS2012F34R8CS Datasheet

Current PartRFQ

CRCW080534R8FKEA

Vishay DaleIn Stock: 20198CRCW080534R8FKEA Datasheet

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ERJ-6ENF34R8V

Panasonic Electronic ComponentsIn Stock: 33865ERJ-6ENF34R8V Datasheet

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RC0805FR-0734R8L

YAGEOIn Stock: 38202RC0805FR-0734R8L Datasheet

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RMCF0805FT34R8

Stackpole Electronics IncIn Stock: 5991RMCF0805FT34R8 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F34R8CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 34.8 Ohms (exact match)
• Tolerance: ±1% (exact match)
• Power rating: 0.125W / 1/8W (exact match)
• Temperature coefficient: ±100ppm/°C (exact match)
• Operating temperature range: -55°C ~ 155°C (exact match)

Mechanical & Package Equivalence Requirements:

• Package format: 0805 (2012 Metric) (exact match)
• Number of terminations: 2 (exact match)
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm) (exact match)

Compliance & Environmental Requirements:

• RoHS3 compliance (required)
• Moisture Sensitivity Level: 1 (Unlimited) (required)
• REACH Unaffected status (required)

All identified substitute parts meet these criteria. Variations in height-seated maximum and specific feature sets (anti-sulfur vs. automotive AEC-Q200 ratings) do not affect functional interchangeability within the specified electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are functionally equivalent to the RCS2012F34R8CS based on matching electrical specifications, mechanical package dimensions, and compliance certifications. Selection among these alternatives should be based on the following factors:

Inventory Availability:

• RC0805FR-0734R8L (YAGEO): 38,143 pcs in stock
• ERJ-6ENF34R8V (Panasonic): 33,789 pcs in stock
• CRCW080534R8FKEA (Vishay Dale): 20,181 pcs in stock
• RMCF0805FT34R8 (Stackpole): 5,918 pcs in stock

Application-Specific Certifications:

• CRCW080534R8FKEA, ERJ-6ENF34R8V, and RMCF0805FT34R8 carry Automotive AEC-Q200 ratings, suitable for automotive and high-reliability applications
• RCS2012F34R8CS and RC0805FR-0734R8L feature moisture-resistant properties without automotive certification, suitable for general industrial and consumer applications

Physical Constraints:

• CRCW080534R8FKEA offers the lowest seated height (0.020"), beneficial for space-constrained PCB layouts
• ERJ-6ENF34R8V has the highest seated height (0.028"), requiring verification of clearance in compact designs

All parts maintain Active product status and full RoHS3 compliance with unlimited moisture sensitivity level rating.

Frequently Asked Questions (FAQ)

Q: Can CRCW080534R8FKEA replace RCS2012F34R8CS in a standard circuit design?

A: Yes. Both parts share identical electrical specifications (34.8 Ω ±1%, 0.125W), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and 0805 package format. The CRCW080534R8FKEA features a lower seated height (0.020" vs. 0.026"), which may provide advantages in space-constrained layouts but requires PCB clearance verification.

Q: What is the difference between the automotive-rated substitutes and the standard versions?

A: CRCW080534R8FKEA, ERJ-6ENF34R8V, and RMCF0805FT34R8 carry Automotive AEC-Q200 certification, indicating qualification for automotive applications with enhanced reliability testing. RCS2012F34R8CS and RC0805FR-0734R8L are general-purpose industrial-grade components. Electrical and mechanical parameters remain identical across all variants.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All parts conform to the 0805 (2012 Metric) package standard with identical land pattern dimensions (0.079" L x 0.049" W). Seated height variations (0.020" to 0.028") are within typical PCB assembly tolerances but should be verified for applications with strict vertical clearance requirements.

Q: Which substitute offers the best inventory availability?

A: RC0805FR-0734R8L (YAGEO) has the highest stock level at 38,143 pieces, followed by ERJ-6ENF34R8V (Panasonic) at 33,789 pieces. Both provide immediate availability for high-volume procurement.

Q: Do all substitutes maintain the same moisture sensitivity rating?

A: Yes. All parts, including the main part RCS2012F34R8CS and all four substitutes, carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage, handling, or assembly processes.

Q: Can automotive-rated parts be used in non-automotive applications?

A: Yes. Automotive-rated components (CRCW080534R8FKEA, ERJ-6ENF34R8V, RMCF0805FT34R8) exceed the performance requirements of general industrial applications and are fully compatible with standard circuit designs. Their use in non-automotive applications presents no technical or compliance issues.