RC2012F38R3CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F38R3CS is a 38.3 Ohm ±1% 1/8W chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film resistor is designed for general-purpose applications requiring moisture resistance and operates across the temperature range of -55°C to 155°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

RC2012F38R3CS

Samsung Electro-MechanicsIn Stock: 987RC2012F38R3CS Datasheet

Current PartRFQ

RC0805FR-0738R3L

YAGEOIn Stock: 9831RC0805FR-0738R3L Datasheet

DirectRFQ

ERJ-6ENF38R3V

Panasonic Electronic ComponentsIn Stock: 48984ERJ-6ENF38R3V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F38R3CS are qualified based on strict electrical and mechanical parameter matching. All substitute candidates must satisfy the following criteria:

Mandatory Matching Parameters:

• Resistance value: 38.3 Ohms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: 1 (Unlimited)
• Termination count: 2

Substitution Categories:

Direct Equivalent: RC0805FR-0738R3L (YAGEO) meets all electrical and mechanical specifications with identical performance characteristics and packaging.

Similar Substitute with Enhanced Qualification: ERJ-6ENF38R3V (Panasonic Electronic Components) meets all core electrical and mechanical specifications and includes additional automotive AEC-Q200 qualification, making it suitable for applications requiring automotive-grade reliability.

Parameter Comparison

Engineering Selection Recommendations

RC0805FR-0738R3L (YAGEO) is the direct equivalent substitute for RC2012F38R3CS. Both parts are functionally identical across all electrical parameters, thermal characteristics, and compliance certifications. This part is suitable for direct replacement in applications where the original Samsung part is specified, with no design modifications required.

ERJ-6ENF38R3V (Panasonic Electronic Components) is a qualified substitute with automotive-grade AEC-Q200 certification. This part meets all core electrical and mechanical requirements of the RC2012F38R3CS and is appropriate for applications requiring automotive reliability standards or where enhanced qualification is beneficial. The marginal height difference (0.028" versus 0.026") remains within typical PCB assembly tolerances for 0805 components.

Both substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0738R3L be used as a direct replacement for RC2012F38R3CS?

A: Yes. RC0805FR-0738R3L is a direct equivalent. All electrical parameters (resistance, tolerance, power rating, temperature coefficient), mechanical specifications (0805 package, dimensions, terminations), and compliance certifications (ROHS3, MSL 1) are identical. No circuit modifications are required.

Q: What is the difference between RC0805FR-0738R3L and ERJ-6ENF38R3V?

A: Both parts meet the core electrical and mechanical specifications of the RC2012F38R3CS. The primary difference is that ERJ-6ENF38R3V includes automotive AEC-Q200 qualification, making it suitable for automotive applications. The seated height differs slightly: RC0805FR-0738R3L is 0.024" (0.60mm) while ERJ-6ENF38R3V is 0.028" (0.70mm), but both are within standard 0805 package tolerances.

Q: Are all three parts interchangeable in the same PCB design?

A: Yes, all three parts are mechanically and electrically interchangeable. The 0805 (2012 Metric) package footprint is identical across all three parts. The minor height variations (0.024" to 0.028") do not affect PCB assembly compatibility.

Q: Which substitute should I select for a new design?

A: For general-purpose applications, RC0805FR-0738R3L provides direct equivalence with high inventory availability. For automotive or reliability-critical applications, ERJ-6ENF38R3V with AEC-Q200 qualification is the appropriate selection.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All three parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard storage and handling procedures apply to all parts.

Q: Are there any compliance or certification differences between the parts?

A: All three parts are ROHS3 compliant and REACH unaffected. ERJ-6ENF38R3V carries additional AEC-Q200 automotive qualification. No other compliance differences exist.