RCS2012F4320CS Equivalent & Substitute Parts

Part Overview

The RCS2012F4320CS is a 432 Ohm ±1% 0.125W (1/8W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is currently in active production status with anti-sulfur and moisture-resistant characteristics. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and package compatibility are maintained across alternative manufacturers while preserving functional performance in target applications.

Key Parameters

Parameter	Value
Resistance	432 Ohms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F4320CS is determined by strict equivalence across the following parameters:

Mandatory Matching Parameters:

Resistance value: 432 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
Termination count: 2
MSL rating: 1 (Unlimited)

All identified substitute parts meet these mandatory electrical and mechanical specifications. Variations in secondary characteristics such as manufacturer-specific features (anti-sulfur, moisture-resistant, automotive AEC-Q200 certification), physical height dimensions, and compliance certifications do not disqualify substitution but are documented for application-specific selection.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	Height Max (mm)	RoHS Status	MSL
RCS2012F4320CS	Samsung Electro-Mechanics	432 Ω	±1%	0.125	0805	±100	-55 ~ 155	0.66	ROHS3 Compliant	1
CRCW0805432RFKEA	Vishay Dale	432 Ω	±1%	0.125	0805	±100	-55 ~ 155	0.50	ROHS3 Compliant	1
CRCW0805432RFKTA	Vishay Dale	432 Ω	±1%	0.125	0805	±100	-55 ~ 155	0.50	RoHS non-compliant	1
ERJ-6ENF4320V	Panasonic Electronic Components	432 Ω	±1%	0.125	0805	±100	-55 ~ 155	0.70	ROHS3 Compliant	1
RC0805FR-07432RL	YAGEO	432 Ω	±1%	0.125	0805	±100	-55 ~ 155	0.60	ROHS3 Compliant	1
RMCF0805FT432R	Stackpole Electronics Inc	432 Ω	±1%	0.125	0805	±100	-55 ~ 155	0.65	ROHS3 Compliant	1

Engineering Selection Recommendations

ROHS3 Compliant Substitutes (Preferred for Regulatory Compliance):

The following substitute parts maintain full ROHS3 compliance equivalent to the RCS2012F4320CS:

CRCW0805432RFKEA (Vishay Dale)
ERJ-6ENF4320V (Panasonic Electronic Components)
RC0805FR-07432RL (YAGEO)
RMCF0805FT432R (Stackpole Electronics Inc)

Compliance Consideration:

CRCW0805432RFKTA (Vishay Dale) is RoHS non-compliant and REACH Affected. This part is suitable only for applications where regulatory exemptions apply or legacy system maintenance is required.

Automotive Applications:

For applications requiring automotive-grade components with AEC-Q200 certification, the following substitutes are qualified:

CRCW0805432RFKEA (Vishay Dale)
CRCW0805432RFKTA (Vishay Dale)
ERJ-6ENF4320V (Panasonic Electronic Components)
RMCF0805FT432R (Stackpole Electronics Inc)

General Commercial Applications:

All listed substitutes are suitable for general commercial applications where ROHS3 compliance is required. Selection among compliant alternatives may be based on inventory availability and lead time considerations.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805432RFKTA be used as a direct substitute for RCS2012F4320CS?

A: CRCW0805432RFKTA meets all mandatory electrical and mechanical specifications. However, it is RoHS non-compliant and REACH Affected, whereas RCS2012F4320CS is ROHS3 Compliant and REACH Unaffected. Use only in applications where regulatory exemptions apply.

Q: What is the significance of height differences among substitute parts?

A: All substitute parts maintain 0805 (2012 Metric) package compatibility with maximum seated heights ranging from 0.50mm to 0.70mm. These variations are within standard 0805 package tolerances and do not affect PCB assembly or electrical performance in standard applications.

Q: Are automotive AEC-Q200 rated substitutes interchangeable with the RCS2012F4320CS in non-automotive applications?

A: Yes. AEC-Q200 certification represents an additional qualification level. Parts meeting this standard are suitable for any application requiring the base electrical and mechanical specifications, including non-automotive use.

Q: Does the anti-sulfur feature of RCS2012F4320CS require a matching substitute?

A: No. Anti-sulfur and moisture-resistant features are manufacturer-specific enhancements. Substitutes without these specific features remain electrically and mechanically equivalent. Selection of enhanced-feature substitutes depends on application environment requirements.

Q: What inventory considerations apply to substitute selection?

A: Inventory availability varies significantly among manufacturers. RC0805FR-07432RL (YAGEO) has the highest inventory at 67,262 pieces, while CRCW0805432RFKTA (Vishay Dale) has the lowest at 5,893 pieces. Lead time and supply chain continuity should inform substitute selection.

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