RC2012F4752CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F4752CS is a 47.5 kOhms ±1% 0.125W (1/8W) 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 671 pieces available in inventory. Equivalent and substitute parts are identified to support procurement flexibility, design optimization, and supply chain continuity.

Substiute Parts

RC2012F4752CS

Samsung Electro-MechanicsIn Stock: 745RC2012F4752CS Datasheet

Current PartRFQ

RC0805FR-0747K5L

YAGEOIn Stock: 153273RC0805FR-0747K5L Datasheet

DirectRFQ

AC0805FR-0747K5L

YAGEOIn Stock: 7584AC0805FR-0747K5L Datasheet

UpgradeRFQ

CRCW080547K5FKEA

Vishay DaleIn Stock: 31302CRCW080547K5FKEA Datasheet

SimilarRFQ

CRCW080547K5FKEAHP

Vishay DaleIn Stock: 9579CRCW080547K5FKEAHP Datasheet

SimilarRFQ

ERJ-6ENF4752V

Panasonic Electronic ComponentsIn Stock: 63128ERJ-6ENF4752V Datasheet

SimilarRFQ

RCS080547K5FKEA

Vishay DaleIn Stock: 6860RCS080547K5FKEA Datasheet

SimilarRFQ

RMCF0805FT47K5

Stackpole Electronics IncIn Stock: 206813RMCF0805FT47K5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

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

Primary Substitution Criteria:

• Resistance value: 47.5 kOhms
• Tolerance: ±1%
• Package / Case: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• RoHS Status: ROHS3 Compliant
• MSL Rating: 1 (Unlimited)

Secondary Consideration:

• Power Rating: 0.125W (1/8W) for direct equivalents; higher power ratings (0.5W / 1/2W) are acceptable upgrades for applications with thermal margin

Substitute parts are grouped into three categories based on functional equivalence and feature alignment:

Direct Equivalents (Identical Specifications): Parts matching all primary criteria with 0.125W power rating and standard thick film construction.

Upgrade Variants (Enhanced Features): Parts with automotive AEC-Q200 certification, providing enhanced reliability for automotive and industrial applications while maintaining identical electrical specifications.

Higher Power Variants (Thermal Upgrades): Parts with 0.5W (1/2W) power rating and pulse-withstanding capability, suitable for applications requiring additional thermal headroom.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

RC0805FR-0747K5L (YAGEO) serves as the primary direct equivalent with identical electrical and thermal characteristics. This part maintains full compatibility with the original RC2012F4752CS specification and offers significantly higher inventory availability (153,247 units).

For Automotive and Enhanced Reliability Applications:

AC0805FR-0747K5L (YAGEO), CRCW080547K5FKEA (Vishay Dale), ERJ-6ENF4752V (Panasonic), and RMCF0805FT47K5 (Stackpole) all provide automotive AEC-Q200 certification while maintaining identical electrical specifications. These parts are suitable for applications requiring automotive-grade reliability and traceability.

For Thermal Margin Applications:

CRCW080547K5FKEAHP (Vishay Dale) and RCS080547K5FKEA (Vishay Dale) provide 0.5W (1/2W) power rating with pulse-withstanding capability. These upgrades are applicable in circuits where the original 0.125W rating provides insufficient thermal margin or where transient pulse conditions exist.

Inventory and Availability Considerations:

RMCF0805FT47K5 (Stackpole) offers the highest inventory level (206,799 units), followed by RC0805FR-0747K5L (YAGEO) with 153,247 units. These options provide optimal supply chain security for high-volume production.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0747K5L directly replace RC2012F4752CS without circuit modification?

A: Yes. RC0805FR-0747K5L is a direct electrical and mechanical equivalent. Both parts share identical resistance (47.5 kOhms), tolerance (±1%), power rating (0.125W), package (0805), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). The 0.60mm seated height of RC0805FR-0747K5L is within acceptable PCB assembly tolerances compared to the 0.66mm of the original part.

Q: What is the difference between standard and AEC-Q200 variants?

A: AEC-Q200 certification indicates automotive-grade qualification with enhanced reliability testing, traceability, and quality assurance protocols. Electrically and mechanically, AEC-Q200 parts (AC0805FR-0747K5L, CRCW080547K5FKEA, ERJ-6ENF4752V, RMCF0805FT47K5) are equivalent to the original RC2012F4752CS. AEC-Q200 variants are required for automotive applications and recommended for industrial applications requiring enhanced reliability documentation.

Q: When should I use 0.5W (1/2W) variants instead of 0.125W (1/8W)?

A: Use 0.5W variants (CRCW080547K5FKEAHP, RCS080547K5FKEA) when circuit analysis indicates power dissipation approaching or exceeding 0.125W, or when transient pulse conditions require additional thermal capacity. The 0.5W rating provides thermal margin and pulse-withstanding capability. Mechanical compatibility remains identical (0805 package, same footprint).

Q: Are all substitute parts ROHS3 compliant and MSL 1 rated?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original RC2012F4752CS specification. This ensures compatibility with standard PCB assembly processes without additional moisture control requirements.

Q: What is the impact of height variation among substitute parts?

A: Seated height varies from 0.50mm (CRCW080547K5FKEA, RCS080547K5FKEA) to 0.70mm (ERJ-6ENF4752V), compared to 0.66mm for the original part. These variations are within standard PCB assembly tolerances and do not affect electrical performance or mechanical fit on 0805 footprints. Height differences are relevant only for applications with strict clearance constraints.

Q: Can I mix different manufacturers' parts in the same production batch?

A: Yes. All substitute parts meet identical electrical specifications, package dimensions, and compliance requirements. Mixed sourcing is acceptable from an engineering standpoint. However, document manufacturer and part number in production records for traceability and future service support.