RC2012F432CS 4.3kΩ ±1% 1/8W 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012F432CS is a 4.3 kOhms ±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 with moisture-resistant construction and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional replacement in circuit applications.

Substiute Parts

RC2012F432CS

Samsung Electro-MechanicsIn Stock: 1021RC2012F432CS Datasheet

Current PartRFQ

CR0805-FX-4301ELF

Bourns Inc.In Stock: 22701CR0805-FX-4301ELF Datasheet

DirectRFQ

ERJ-6ENF4301V

Panasonic Electronic ComponentsIn Stock: 104501ERJ-6ENF4301V Datasheet

DirectRFQ

RC0805FR-074K3L

YAGEOIn Stock: 76259RC0805FR-074K3L Datasheet

DirectRFQ

RMCF0805FT4K30

Stackpole Electronics IncIn Stock: 144137RMCF0805FT4K30 Datasheet

DirectRFQ

AC0805FR-074K3L

YAGEOIn Stock: 1706AC0805FR-074K3L Datasheet

SimilarRFQ

CRCW08054K30FKEA

Vishay DaleIn Stock: 29596CRCW08054K30FKEA Datasheet

SimilarRFQ

CRCW08054K30FKEAHP

Vishay DaleIn Stock: 9003CRCW08054K30FKEAHP Datasheet

SimilarRFQ

ESR10EZPF4301

Rohm SemiconductorIn Stock: 8312ESR10EZPF4301 Datasheet

SimilarRFQ

RCS08054K30FKEA

Vishay DaleIn Stock: 4556RCS08054K30FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F432CS are classified into two categories based on electrical and mechanical parameter alignment:

Direct Substitutes maintain identical electrical specifications (4.3 kOhms, ±1% tolerance, 0.125W power rating) and mechanical dimensions (0805 package, 2.00mm × 1.25mm). These parts are functionally interchangeable without circuit modification:

• CR0805-FX-4301ELF (Bourns Inc.)
• ERJ-6ENF4301V (Panasonic Electronic Components)
• RC0805FR-074K3L (YAGEO)
• RMCF0805FT4K30 (Stackpole Electronics Inc)

Similar Substitutes maintain core electrical specifications (4.3 kOhms, ±1% tolerance) and 0805 package format but differ in power rating, automotive certification, or pulse withstanding features. These parts require application-level verification of power dissipation requirements:

• AC0805FR-074K3L (YAGEO) – 0.125W, AEC-Q200 rated, moisture resistant
• CRCW08054K30FKEA (Vishay Dale) – 0.5W, AEC-Q200 rated
• CRCW08054K30FKEAHP (Vishay Dale) – 0.5W, AEC-Q200 rated, pulse withstanding
• ESR10EZPF4301 (Rohm Semiconductor) – 0.4W, AEC-Q200 rated, pulse withstanding
• RCS08054K30FKEA (Vishay Dale) – 0.5W, AEC-Q200 rated, pulse withstanding

Substitution logic is based on matching: resistance value, tolerance, package format, operating temperature range, and termination count. Power rating differences are noted for applications requiring higher pulse or continuous dissipation capability.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No Circuit Modification Required):

Select CR0805-FX-4301ELF, ERJ-6ENF4301V, RC0805FR-074K3L, or RMCF0805FT4K30 when the application requires identical 0.125W power rating and 0805 package format. All four parts maintain the same electrical specifications and operating temperature range as the RC2012F432CS. ERJ-6ENF4301V and RMCF0805FT4K30 include AEC-Q200 automotive qualification, suitable for automotive circuit applications. CR0805-FX-4301ELF and RC0805FR-074K3L provide moisture-resistant construction for general industrial applications.

For Higher Power Dissipation Applications:

Select CRCW08054K30FKEA, CRCW08054K30FKEAHP, ESR10EZPF4301, or RCS08054K30FKEA when circuit analysis indicates power dissipation exceeding 0.125W. These parts maintain 4.3 kOhms resistance and ±1% tolerance but provide 0.4W to 0.5W power ratings. All include AEC-Q200 automotive certification. CRCW08054K30FKEAHP and ESR10EZPF4301 include pulse withstanding capability for transient overvoltage conditions.

For Automotive Applications:

Select AC0805FR-074K3L, ERJ-6ENF4301V, RMCF0805FT4K30, CRCW08054K30FKEA, CRCW08054K30FKEAHP, ESR10EZPF4301, or RCS08054K30FKEA. All seven parts carry AEC-Q200 automotive qualification. AC0805FR-074K3L combines AEC-Q200 rating with moisture-resistant construction at 0.125W power rating, matching the original part's power specification.

All substitute parts are ROHS3 compliant with MSL 1 rating and operate across the -55°C to 155°C temperature range.

Frequently Asked Questions (FAQ)

Q: Can CRCW08054K30FKEAHP be used as a direct replacement for RC2012F432CS?

A: CRCW08054K30FKEAHP is mechanically and electrically compatible in terms of resistance value, tolerance, package format, and operating temperature range. However, it provides 0.5W power rating versus the original 0.125W specification. This part is suitable for replacement only if circuit power dissipation analysis confirms the higher power rating does not introduce thermal or reliability concerns in the application.

Q: What is the difference between CR0805-FX-4301ELF and ERJ-6ENF4301V?

A: Both parts share identical electrical specifications (4.3 kΩ, ±1%, 0.125W) and 0805 package format. CR0805-FX-4301ELF is manufactured by Bourns Inc. with moisture-resistant construction. ERJ-6ENF4301V is manufactured by Panasonic Electronic Components with AEC-Q200 automotive qualification. Selection depends on application requirements: general industrial applications favor CR0805-FX-4301ELF; automotive applications favor ERJ-6ENF4301V.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are available in 0805 (2012 Metric) package format with 2-termination configuration. Packaging options vary by manufacturer: CR0805-FX-4301ELF, ERJ-6ENF4301V, RMCF0805FT4K30, AC0805FR-074K3L, CRCW08054K30FKEA, CRCW08054K30FKEAHP, ESR10EZPF4301, and RCS08054K30FKEA are supplied in Tape & Reel (TR) format. RC0805FR-074K3L is available in Cut Tape (CT) & Digi-Reel® format. Verify packaging availability with supplier for production requirements.

Q: What does AEC-Q200 qualification mean for resistor selection?

A: AEC-Q200 is an automotive electronics qualification standard. Parts carrying this certification have undergone stress testing and reliability validation for automotive applications. ERJ-6ENF4301V, RMCF0805FT4K30, AC0805FR-074K3L, CRCW08054K30FKEA, CRCW08054K30FKEAHP, ESR10EZPF4301, and RCS08054K30FKEA are AEC-Q200 qualified. Selection of AEC-Q200 parts is required for automotive circuit designs.

Q: How do height differences affect PCB assembly compatibility?

A: Seated height specifications range from 0.020" (0.50mm) to 0.028" (0.70mm) across substitute parts. These variations are within standard 0805 package tolerances and do not affect PCB assembly compatibility. Verify height specifications only if the application has specific clearance constraints or uses automated pick-and-place equipment with height-sensitive calibration.

Q: What is the significance of pulse withstanding features in CRCW08054K30FKEAHP, ESR10EZPF4301, and RCS08054K30FKEA?

A: Pulse withstanding capability indicates the resistor can tolerate transient overvoltage conditions beyond steady-state ratings. These parts are suitable for applications with voltage spikes, switching transients, or inductive load switching. Selection of pulse withstanding parts is recommended for power management circuits, motor control, or switching power supply applications.

Q: Can RC0805FR-074K3L be used in moisture-sensitive environments?

A: RC0805FR-074K3L carries MSL 1 (Unlimited) moisture sensitivity level rating, indicating no moisture sensitivity restrictions. This part is suitable for moisture-sensitive environments without special handling or baking requirements prior to reflow soldering.