RCS2012J823CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012J823CS is a 82 kOhms ±5% 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 with anti-sulfur and moisture-resistant properties. Equivalent and substitute parts are identified based on matching resistance value, power rating, package type, and electrical specifications to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Value
Resistance	82 kOhms
Tolerance	±5%
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)

Substitute Part Grouping Explanation

Substitute parts for the RCS2012J823CS are grouped based on the following substitution criteria:

Primary Substitution Criteria (Mandatory Match):

Resistance value: 82 kOhms
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)

Secondary Substitution Parameters (Allowable Variation):

Tolerance: ±5% (main part) to ±1% (substitute parts) — tighter tolerance is acceptable
Power Rating: 0.125W (main part) to 0.5W (substitute parts) — higher power rating is acceptable
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) — both formats are functionally equivalent
Features: Anti-sulfur and moisture-resistant properties in main part; substitutes may have automotive AEC-Q200 certification or pulse-withstanding capability

Substitutes with ±1% tolerance provide improved precision compared to the ±5% main part. Substitutes with 0.5W power rating provide enhanced thermal margin. All substitutes maintain identical electrical performance at the 82 kOhms specification and operate within the same temperature range.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS
RCS2012J823CS	Samsung Electro-Mechanics	82 kΩ	±5%	0.125	0805	±100ppm/°C	-55~155°C	Anti-Sulfur, Moisture Resistant	ROHS3
RC2012F823CS	Samsung Electro-Mechanics	82 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3
AC0805FR-0782KL	YAGEO	82 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3
CRCW080582K0FKEA	Vishay Dale	82 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3
CRCW080582K0FKEAHP	Vishay Dale	82 kΩ	±1%	0.5	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	ROHS3
ERJ-6ENF8202V	Panasonic Electronic Components	82 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3
ERJ-UP6F8202V	Panasonic Electronic Components	82 kΩ	±1%	0.5	0805	±100ppm/°C	-55~155°C	Anti-Sulfur, Automotive AEC-Q200, Pulse Withstanding	ROHS3
RC0805FR-0782KL	YAGEO	82 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3
RC0805JR-0782KL	YAGEO	82 kΩ	±5%	0.125	0805	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3
RCS080582K0FKEA	Vishay Dale	82 kΩ	±1%	0.5	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	ROHS3

Engineering Selection Recommendations

Direct Functional Equivalents (Same Tolerance ±5%):

RC0805JR-0782KL from YAGEO is a direct functional equivalent with matching ±5% tolerance and 0.125W power rating. This part maintains identical electrical specifications and operating characteristics to the RCS2012J823CS while offering higher inventory availability (140,738 pcs).

Enhanced Precision Substitutes (±1% Tolerance):

Parts with ±1% tolerance provide tighter resistance tolerance compared to the ±5% main part. These include:

RC2012F823CS (Samsung Electro-Mechanics) — same manufacturer as main part
AC0805FR-0782KL (YAGEO) — includes automotive AEC-Q200 certification
CRCW080582K0FKEA (Vishay Dale) — includes automotive AEC-Q200 certification
ERJ-6ENF8202V (Panasonic Electronic Components) — includes automotive AEC-Q200 certification
RC0805FR-0782KL (YAGEO) — moisture resistant

All ±1% tolerance substitutes are suitable for applications requiring improved precision while maintaining the same 0.125W power rating and 0805 package.

Higher Power Rating Substitutes (0.5W):

For applications requiring enhanced thermal margin or pulse withstanding capability:

CRCW080582K0FKEAHP (Vishay Dale) — automotive AEC-Q200, pulse withstanding
ERJ-UP6F8202V (Panasonic Electronic Components) — anti-sulfur, automotive AEC-Q200, pulse withstanding
RCS080582K0FKEA (Vishay Dale) — automotive AEC-Q200, pulse withstanding

These 0.5W parts provide four times the power dissipation capability compared to the 0.125W main part while maintaining all other electrical parameters.

Automotive Applications:

For automotive or AEC-Q200 qualified applications, the following substitutes are certified:

AC0805FR-0782KL (YAGEO)
CRCW080582K0FKEA (Vishay Dale)
CRCW080582K0FKEAHP (Vishay Dale)
ERJ-6ENF8202V (Panasonic Electronic Components)
ERJ-UP6F8202V (Panasonic Electronic Components)
RCS080582K0FKEA (Vishay Dale)

All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and identical operating temperature range (-55°C ~ 155°C).

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance resistor as a substitute for the ±5% RCS2012J823CS?

A: Yes. A ±1% tolerance resistor is a valid substitute for a ±5% resistor. The tighter tolerance provides improved precision and is functionally compatible in all applications where the ±5% part is specified. The actual resistance value remains 82 kOhms in both cases.

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

A: The 0.5W resistor can dissipate four times more power than the 0.125W resistor. If your circuit operates at or near the 0.125W limit, a 0.5W substitute provides additional thermal margin and reliability. The 0.5W part is a direct substitute for the 0.125W part in terms of electrical function.

Q: Are Tape & Reel (TR) and Cut Tape (CT) packaging functionally equivalent?

A: Yes. Both packaging formats contain identical resistor components. The difference is in the delivery format: Tape & Reel is supplied on continuous tape for automated assembly, while Cut Tape is supplied in shorter tape segments. The resistor performance is identical regardless of packaging format.

Q: What does AEC-Q200 certification mean?

A: AEC-Q200 is an automotive qualification standard. Parts with this certification have been tested and qualified for automotive applications. If your application requires automotive-grade components, select substitutes with AEC-Q200 certification.

Q: Can I substitute the RCS2012J823CS with a part from a different manufacturer?

A: Yes. All listed substitute parts maintain identical electrical specifications (82 kOhms, ±5% or ±1% tolerance, 0.125W or 0.5W, 0805 package, -55°C ~ 155°C operating range, ROHS3 compliance). Cross-manufacturer substitution is valid based on these matching parameters.

Q: What does "Pulse Withstanding" mean?

A: Pulse withstanding capability indicates the resistor can tolerate temporary overvoltage or overcurrent pulses without degradation. This feature is beneficial in circuits subject to transient events or switching spikes.

Q: Is the anti-sulfur feature important for my application?

A: Anti-sulfur protection prevents corrosion from sulfur-containing environments. The main part (RCS2012J823CS) and ERJ-UP6F8202V include this feature. If your application involves sulfur exposure, these parts are recommended. Standard moisture-resistant parts are suitable for typical industrial and commercial environments.

Q: How do I choose between multiple substitute options?

A: Selection depends on your specific requirements: (1) For direct replacement with identical specifications, use RC0805JR-0782KL; (2) For improved precision, use any ±1% tolerance substitute; (3) For automotive applications, use AEC-Q200 certified parts; (4) For higher power dissipation, use 0.5W rated parts; (5) For sulfur-resistant environments, use anti-sulfur rated parts.

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