RC2012F29R4CS Equivalent & Substitute Parts

Part Overview

The RC2012F29R4CS is a 29.4 Ohms ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status and is supplied in Tape & Reel packaging. The part features moisture-resistant construction with 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 applications.

Substiute Parts

RC2012F29R4CS

Samsung Electro-MechanicsIn Stock: 792RC2012F29R4CS Datasheet

Current PartRFQ

ERJ-6ENF29R4V

Panasonic Electronic ComponentsIn Stock: 43677ERJ-6ENF29R4V Datasheet

DirectRFQ

RC0805FR-0729R4L

YAGEOIn Stock: 3978RC0805FR-0729R4L Datasheet

DirectRFQ

RMCF0805FT29R4

Stackpole Electronics IncIn Stock: 4918RMCF0805FT29R4 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F29R4CS are qualified based on the following critical parameters that determine functional and mechanical interchangeability:

Electrical Parameters:

• Resistance value: 29.4 Ohms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters:

• Package type: 0805 (2012 Metric)
• Number of terminations: 2
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Height seated (maximum): within 0.024" to 0.028" (0.60mm to 0.70mm)

Compliance Parameters:

• RoHS3 compliance
• Moisture sensitivity level: 1 (Unlimited)
• REACH unaffected status

All identified substitute parts match these core parameters. Additional features such as automotive AEC-Q200 qualification or moisture-resistant construction represent enhanced capabilities that do not prevent substitution.

Parameter Comparison

Engineering Selection Recommendations

All four parts listed—RC2012F29R4CS, ERJ-6ENF29R4V, RC0805FR-0729R4L, and RMCF0805FT29R4—are functionally equivalent for standard applications requiring a 29.4 Ohms ±1% 0.125W 0805 thick film resistor. Selection among these parts should be based on the following criteria:

Standard Applications: The RC2012F29R4CS (Samsung) and RC0805FR-0729R4L (YAGEO) are suitable for general-purpose applications. Both feature moisture-resistant construction and maintain identical electrical specifications.

Automotive Applications: The ERJ-6ENF29R4V (Panasonic) and RMCF0805FT29R4 (Stackpole) carry AEC-Q200 automotive qualification. These parts are required for automotive-grade circuit designs and applications subject to automotive reliability standards.

Compliance Considerations: All parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. All parts maintain MSL 1 (Unlimited) moisture sensitivity level, indicating no special moisture handling requirements during storage or assembly.

Physical Fit: Height variations range from 0.024" to 0.028" (0.60mm to 0.70mm). The RC0805FR-0729R4L presents the lowest profile at 0.024" (0.60mm), while ERJ-6ENF29R4V reaches 0.028" (0.70mm). These variations remain within standard PCB assembly tolerances for 0805 packages.

Frequently Asked Questions (FAQ)

Q: Can ERJ-6ENF29R4V replace RC2012F29R4CS in non-automotive applications?

A: Yes. The ERJ-6ENF29R4V meets all electrical and mechanical specifications required for direct substitution. The AEC-Q200 automotive qualification is an additional feature that does not restrict use in standard applications.

Q: What is the significance of the height difference between substitute parts?

A: Height variations (0.024" to 0.028") fall within standard 0805 package tolerances. These differences do not affect PCB assembly compatibility or circuit performance. Selection based on height is only necessary if specific clearance constraints exist in the application.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All four parts—RC2012F29R4CS, ERJ-6ENF29R4V, RC0805FR-0729R4L, and RMCF0805FT29R4—are supplied in Tape & Reel (TR) packaging format.

Q: Do substitute parts require different soldering or assembly procedures?

A: No. All parts use identical 0805 (2012 Metric) package specifications with 2 terminations. Standard SMD assembly processes apply uniformly across all four parts.

Q: Which substitute part offers the best inventory availability?

A: ERJ-6ENF29R4V (Panasonic) maintains the highest inventory level at 43,649 pieces. RC0805FR-0729R4L (YAGEO) provides 3,936 pieces, and RMCF0805FT29R4 (Stackpole) maintains 4,908 pieces.

Q: Are moisture-resistant features required for all applications?

A: No. All parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. The moisture-resistant feature listed for RC2012F29R4CS and RC0805FR-0729R4L represents standard construction and does not impose additional handling requirements.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. Electrical specifications, package dimensions, and compliance certifications are identical across all parts. Direct substitution is supported without design modification.