Equivalent & Substitute Parts for RC2012J204CS

Part Overview

The RC2012J204CS is a 200 kOhms ±5% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general-purpose applications requiring standard tolerance resistive elements. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct circuit board compatibility and functional interchangeability.

Key Parameters

Parameter	Specification
Resistance Value	200 kOhms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C to +155°C
Temperature Coefficient	±100ppm/°C
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC2012J204CS are categorized into two groups based on tolerance specification:

Direct Substitutes (±5% Tolerance): Parts maintaining the original ±5% tolerance specification with identical electrical and mechanical parameters. These substitutes are functionally equivalent for applications where standard tolerance is acceptable.

Upgrade Substitutes (±1% Tolerance): Parts offering improved tolerance specification (±1%) while maintaining all other electrical parameters, package dimensions, and environmental ratings. These upgrades provide enhanced precision for applications requiring tighter tolerance control.

Key Parameters Determining Substitution:

Resistance value: 200 kOhms (exact match required)
Tolerance: ±5% for direct substitutes; ±1% for upgrades
Power rating: 0.125W (1/8W) (exact match required)
Package: 0805 (2012 Metric) (exact match required)
Operating temperature range: -55°C to +155°C (exact match required)
Composition: Thick Film (exact match required)
RoHS and environmental compliance: ROHS3 compliant, MSL 1

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Features	Height Max (mm)
RC2012J204CS	Samsung Electro-Mechanics	200k	±5%	0.125	±100	-55 to +155	0805	Moisture Resistant	0.65
ERJ-6GEYJ204V	Panasonic Electronic Components	200k	±5%	0.125	±200	-55 to +155	0805	Automotive AEC-Q200	0.70
RC0805JR-07200KL	YAGEO	200k	±5%	0.125	±100	-55 to +155	0805	Moisture Resistant	0.60
RCV0805200KFKEA	Vishay Dale	200k	±1%	0.125	±100	-55 to +155	0805	High Voltage	0.50
RMCF0805FT200K	Stackpole Electronics Inc	200k	±1%	0.125	±100	-55 to +155	0805	Automotive AEC-Q200	0.65
AC0805FR-07200KL	YAGEO	200k	±1%	0.125	±100	-55 to +155	0805	Automotive AEC-Q200, Moisture Resistant	0.60
CR0805-FX-2003ELF	Bourns Inc.	200k	±1%	0.125	±100	-55 to +155	0805	Moisture Resistant	0.60
ERJ-6ENF2003V	Panasonic Electronic Components	200k	±1%	0.125	±100	-55 to +155	0805	Automotive AEC-Q200	0.70
KTR10EZPF2003	Rohm Semiconductor	200k	±1%	0.125	±100	-55 to +155	0805	Automotive AEC-Q200, High Voltage	0.65
RC0805FR-07200KL	YAGEO	200k	±1%	0.125	±100	-55 to +155	0805	Moisture Resistant	0.60
RMCF0805FG200K	Stackpole Electronics Inc	200k	±1%	0.125	±100	-55 to +155	0805	Automotive AEC-Q200	0.65

Engineering Selection Recommendations

Direct Substitutes (±5% Tolerance):

ERJ-6GEYJ204V (Panasonic) and RC0805JR-07200KL (YAGEO) are direct functional equivalents to RC2012J204CS. Both maintain ±5% tolerance specification and 0805 package dimensions. ERJ-6GEYJ204V includes Automotive AEC-Q200 certification, suitable for automotive applications. RC0805JR-07200KL offers moisture-resistant construction matching the original part. Both are ROHS3 compliant with MSL 1 rating.

Upgrade Substitutes (±1% Tolerance):

Upgrade options include RCV0805200KFKEA (Vishay Dale), RMCF0805FT200K (Stackpole), AC0805FR-07200KL (YAGEO), CR0805-FX-2003ELF (Bourns), ERJ-6ENF2003V (Panasonic), KTR10EZPF2003 (Rohm), RC0805FR-07200KL (YAGEO), and RMCF0805FG200K (Stackpole). All upgrade parts provide ±1% tolerance with identical package and operating temperature specifications. Selection among upgrades depends on application requirements: Automotive AEC-Q200 certification is available in RMCF0805FT200K, AC0805FR-07200KL, ERJ-6ENF2003V, KTR10EZPF2003, and RMCF0805FG200K. High voltage capability is provided by RCV0805200KFKEA and KTR10EZPF2003. Moisture-resistant construction is available in AC0805FR-07200KL, CR0805-FX-2003ELF, and RC0805FR-07200KL.

All substitute parts are Active product status, ROHS3 compliant, and MSL 1 rated, ensuring environmental and regulatory compatibility with the original RC2012J204CS specification.

Frequently Asked Questions (FAQ)

Q: Can ERJ-6GEYJ204V replace RC2012J204CS in any application?

A: ERJ-6GEYJ204V is a direct substitute maintaining ±5% tolerance, 200 kOhms resistance, 0.125W power rating, and 0805 package. The primary difference is temperature coefficient (±200ppm/°C versus ±100ppm/°C) and Automotive AEC-Q200 certification. Direct substitution is valid for applications where standard tolerance and the specified temperature coefficient are acceptable.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes maintain the original ±5% tolerance specification. Upgrade substitutes offer improved ±1% tolerance while maintaining all other electrical parameters, package dimensions, and environmental ratings. Upgrades are suitable for applications requiring tighter tolerance control without circuit board redesign.

Q: Are all substitute parts compatible with the original PCB layout?

A: All substitute parts use identical 0805 (2012 Metric) package dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Height variations range from 0.50mm to 0.70mm maximum seated height. Standard PCB footprints accommodate all listed substitutes. Verify specific PCB clearance requirements if height-constrained applications are present.

Q: Which substitute part is recommended for automotive applications?

A: Parts with Automotive AEC-Q200 certification include ERJ-6GEYJ204V (direct substitute), RMCF0805FT200K, AC0805FR-07200KL, ERJ-6ENF2003V, KTR10EZPF2003, and RMCF0805FG200K (upgrade substitutes). Selection depends on tolerance requirement (±5% or ±1%) and additional features such as moisture resistance or high voltage capability.

Q: Can I use a ±1% tolerance part where ±5% is specified?

A: Yes. Upgrade substitutes with ±1% tolerance are functionally compatible in applications originally designed for ±5% tolerance. The tighter tolerance provides enhanced precision without affecting circuit functionality. No circuit redesign is required.

Q: What is the significance of temperature coefficient differences?

A: Temperature coefficient indicates resistance value change per degree Celsius. RC2012J204CS and most substitutes specify ±100ppm/°C. ERJ-6GEYJ204V specifies ±200ppm/°C, indicating greater resistance variation across temperature range. For applications with strict temperature stability requirements, parts with ±100ppm/°C are preferred.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the environmental compliance of RC2012J204CS. MSL 1 (Unlimited) moisture sensitivity level is maintained across all substitutes.

Q: What packaging options are available for substitute parts?

A: Direct substitutes are available in Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging. RC0805JR-07200KL uses Cut Tape & Digi-Reel®. ERJ-6GEYJ204V uses Tape & Reel. Upgrade substitutes offer both packaging options depending on manufacturer. Verify packaging availability with supplier for production requirements.

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