RCS2012F824CS Equivalent & Substitute Parts

Part Overview

The RCS2012F824CS is an 820 kOhms ±1% 0.125W (1/8W) thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status and features anti-sulfur and moisture-resistant construction. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Resistance	820 kOhms
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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Core Matching Parameters:

Resistance value: 820 kOhms
Tolerance: ±1%
Package: 0805 (2012 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
RoHS3 Compliance
MSL 1 (Unlimited)

Substitution Groups:

Group 1: Direct Equivalents (0.125W / 1/8W Rating) Parts with identical power rating, resistance, tolerance, and package dimensions. These provide direct pin-for-pin and functional equivalence.

Group 2: Higher Power Rating Variants (0.5W / 1/2W Rating) Parts with increased power dissipation capability while maintaining all other electrical and mechanical specifications. These are suitable for applications requiring higher power handling without circuit redesign.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	Height Max (mm)	RoHS3	MSL
RCS2012F824CS	Samsung Electro-Mechanics	820 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.66	Yes	1
AC0805FR-07820KL	YAGEO	820 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60	Yes	1
CRCW0805820KFKEA	Vishay Dale	820 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50	Yes	1
CRCW0805820KFKEAHP	Vishay Dale	820 kOhms	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.50	Yes	1
ERJ-6ENF8203V	Panasonic Electronic Components	820 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.70	Yes	1
ERJ-UP6F8203V	Panasonic Electronic Components	820 kOhms	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.70	Yes	1
KTR10EZPF8203	Rohm Semiconductor	820 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.65	Yes	1
RC0805FR-07820KL	YAGEO	820 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60	Yes	1

Engineering Selection Recommendations

Direct Substitution (0.125W / 1/8W Equivalents):

The following parts provide direct functional and mechanical equivalence to the RCS2012F824CS:

AC0805FR-07820KL (YAGEO): AEC-Q200 automotive rated, moisture resistant, 0.60mm seated height
CRCW0805820KFKEA (Vishay Dale): AEC-Q200 automotive rated, 0.50mm seated height, highest inventory availability (27,289 pcs)
ERJ-6ENF8203V (Panasonic Electronic Components): AEC-Q200 automotive rated, 0.70mm seated height, largest inventory (70,237 pcs)
KTR10EZPF8203 (Rohm Semiconductor): AEC-Q200 automotive rated, high voltage capability, 0.65mm seated height
RC0805FR-07820KL (YAGEO): Moisture resistant, 0.60mm seated height, 42,951 pcs in stock

All direct equivalents maintain identical electrical specifications, ROHS3 compliance, and MSL 1 rating. Selection among these parts depends on supply availability, specific feature requirements (automotive AEC-Q200 certification, high voltage capability), and seated height constraints within the application.

Higher Power Rating Variants (0.5W / 1/2W):

For applications requiring increased power dissipation:

CRCW0805820KFKEAHP (Vishay Dale): AEC-Q200 automotive rated, pulse withstanding capability, 0.50mm seated height
ERJ-UP6F8203V (Panasonic Electronic Components): AEC-Q200 automotive rated, anti-sulfur, pulse withstanding capability, 0.70mm seated height

These parts provide four times the power rating while maintaining all other electrical and mechanical parameters. Circuit redesign is not required for substitution, as the 0805 package dimensions remain identical.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RCS2012F824CS with any of the listed equivalent parts?

A: Yes. All listed parts match the core electrical specifications (820 kOhms ±1%, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) and mechanical package (0805 / 2012 Metric). All are ROHS3 compliant with MSL 1 rating. Selection depends on supply availability, specific feature requirements, and seated height constraints.

Q: What is the difference between the 0.125W and 0.5W variants?

A: The 0.5W variants (CRCW0805820KFKEAHP and ERJ-UP6F8203V) provide four times the power dissipation capability compared to the 0.125W versions. All other electrical and mechanical specifications remain identical. The 0.5W variants are suitable for applications with higher power requirements without requiring circuit redesign.

Q: Are all substitute parts automotive qualified?

A: Most substitute parts carry AEC-Q200 automotive qualification (AC0805FR-07820KL, CRCW0805820KFKEA, CRCW0805820KFKEAHP, ERJ-6ENF8203V, ERJ-UP6F8203V, KTR10EZPF8203). The RC0805FR-07820KL does not list AEC-Q200 certification. Verify automotive qualification requirements for your specific application.

Q: What is the significance of seated height differences?

A: Seated height variations (0.50mm to 0.70mm) reflect manufacturing differences between suppliers. These differences are within typical PCB assembly tolerances and do not affect electrical performance. Verify seated height compatibility with your specific PCB design and assembly process requirements.

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

A: Yes. All listed parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Storage and handling requirements are identical across all substitute parts.

Q: Which substitute part has the highest inventory availability?

A: ERJ-6ENF8203V (Panasonic Electronic Components) has the highest inventory with 70,237 pieces in stock, followed by CRCW0805820KFKEA (Vishay Dale) with 27,289 pieces.

Q: Can I use the higher power rating variants as direct replacements?

A: Yes. The 0.5W variants (CRCW0805820KFKEAHP and ERJ-UP6F8203V) are direct mechanical and electrical substitutes with increased power capability. No circuit modifications are required. The 0805 package dimensions are identical.

Q: What features distinguish the KTR10EZPF8203 from other equivalents?

A: The KTR10EZPF8203 includes high voltage capability in addition to standard AEC-Q200 automotive qualification. This feature is relevant for applications requiring enhanced voltage performance.

Q: Are there any differences in anti-sulfur or pulse withstanding capabilities?

A: The RCS2012F824CS includes anti-sulfur and moisture-resistant features. Among substitutes, ERJ-UP6F8203V also includes anti-sulfur and pulse withstanding capabilities. CRCW0805820KFKEAHP and ERJ-UP6F8203V include pulse withstanding capability. Verify these features against your application requirements.

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