RC2012F12R4CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F12R4CS is a 12.4 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 classified as Active product status with moisture-resistant characteristics and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings align with the original component, enabling direct replacement in circuit applications without design modification.

Substiute Parts

RC2012F12R4CS

Samsung Electro-MechanicsIn Stock: 976RC2012F12R4CS Datasheet

Current PartRFQ

RC0805FR-0712R4L

YAGEOIn Stock: 9335RC0805FR-0712R4L Datasheet

DirectRFQ

CRCW080512R4FKEA

Vishay DaleIn Stock: 1642CRCW080512R4FKEA Datasheet

SimilarRFQ

ERJ-6ENF12R4V

Panasonic Electronic ComponentsIn Stock: 12966ERJ-6ENF12R4V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for RC2012F12R4CS are classified based on strict electrical and mechanical parameter alignment:

Direct Substitutes share identical electrical specifications (12.4 Ohms, ±1% tolerance, 0.125W power rating), matching temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), package format (0805), composition (thick film), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Substitution Criteria:

• Resistance value: 12.4 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.125W / 1/8W (exact match required)
• Package: 0805 (2012 Metric) (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature: -55°C ~ 155°C (exact match required)
• Composition: Thick Film (exact match required)
• Terminations: 2 (exact match required)
• RoHS compliance: ROHS3 (exact match required)

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts meet the electrical and mechanical requirements for direct replacement of RC2012F12R4CS. Selection among equivalent parts is determined by availability, supply chain considerations, and application-specific requirements:

RC0805FR-0712R4L (YAGEO): Direct electrical and mechanical equivalent with moisture-resistant thick film composition. Seated height of 0.024" (0.60mm) is within acceptable tolerance variance for 0805 package applications. Active product status with ROHS3 compliance and unlimited moisture sensitivity rating.

CRCW080512R4FKEA (Vishay Dale): Direct electrical and mechanical equivalent with automotive AEC-Q200 qualification. Seated height of 0.020" (0.50mm) represents the minimum height specification within 0805 package tolerance. Suitable for applications requiring automotive-grade component certification. Active product status with ROHS3 compliance.

ERJ-6ENF12R4V (Panasonic Electronic Components): Direct electrical and mechanical equivalent with automotive AEC-Q200 qualification. Seated height of 0.028" (0.70mm) is within acceptable tolerance variance for 0805 package applications. Active product status with ROHS3 compliance and unlimited moisture sensitivity rating.

All substitute parts maintain identical electrical performance, temperature stability, and environmental compliance with the original RC2012F12R4CS component.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0712R4L replace RC2012F12R4CS in all applications?

A: Yes. RC0805FR-0712R4L matches all critical electrical parameters (12.4 Ohms, ±1%, 0.125W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), package format (0805), and compliance certifications (ROHS3, REACH Unaffected). The seated height difference of 0.002" (0.06mm) is within standard 0805 package tolerance and does not affect circuit functionality.

Q: What is the difference between CRCW080512R4FKEA and ERJ-6ENF12R4V?

A: Both parts are electrically identical to RC2012F12R4CS with matching resistance, tolerance, power rating, and temperature specifications. Both carry AEC-Q200 automotive qualification. The primary difference is seated height: CRCW080512R4FKEA measures 0.020" (0.50mm) while ERJ-6ENF12R4V measures 0.028" (0.70mm). Both heights fall within 0805 package specifications and do not affect electrical performance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. RC0805FR-0712R4L, CRCW080512R4FKEA, and ERJ-6ENF12R4V are all ROHS3 compliant with REACH Unaffected status, matching the original RC2012F12R4CS compliance profile.

Q: Can automotive-grade parts (CRCW080512R4FKEA, ERJ-6ENF12R4V) be used in non-automotive applications?

A: Yes. Automotive-grade components meet or exceed standard industrial specifications. AEC-Q200 qualification indicates enhanced reliability testing and environmental stress screening. These parts are suitable for any application requiring 12.4 Ohm ±1% 0.125W 0805 resistors.

Q: What is the significance of Moisture Sensitivity Level 1 (Unlimited)?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. The part does not require special moisture-controlled storage, handling, or reflow procedures. All listed substitute parts share this MSL 1 rating.

Q: Are there any height restrictions for PCB assembly?

A: Seated height variations among substitute parts range from 0.020" to 0.028" (0.50mm to 0.70mm). Standard 0805 package tolerance accommodates this range. Verify PCB design clearance specifications if height-constrained applications exist. CRCW080512R4FKEA offers minimum height at 0.020" (0.50mm).