RCS2012J271CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012J271CS is a 270 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in the 0805 (2012 Metric) package. This component is designed for general-purpose applications requiring moisture resistance and anti-sulfur protection. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified when components share identical electrical specifications (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical compatibility (package type, footprint, termination count) while potentially offering different feature sets, certifications, or packaging options.

Key Parameters

Parameter	Value	Specification Type
Resistance	270 Ohms	Electrical (Critical)
Tolerance	±5%	Electrical (Critical)
Power Rating	0.125W (1/8W)	Electrical (Critical)
Package / Case	0805 (2012 Metric)	Mechanical (Critical)
Composition	Thick Film	Electrical (Critical)
Temperature Coefficient	±100ppm/°C	Electrical
Operating Temperature Range	-55°C ~ 155°C	Electrical
Number of Terminations	2	Mechanical
RoHS Status	ROHS3 Compliant	Compliance
Moisture Sensitivity Level	1 (Unlimited)	Environmental

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across three categories:

Electrical Equivalence Requirements:

Resistance value: 270 Ohms (exact match required)
Tolerance: ±5% minimum (tighter tolerances such as ±1% are acceptable as they represent improved performance)
Power rating: 0.125W minimum (higher power ratings such as 0.5W are acceptable as they provide additional margin)
Temperature coefficient: ±100ppm/°C (exact match)
Operating temperature range: -55°C ~ 155°C (exact match)
Composition: Thick Film (exact match)

Mechanical Equivalence Requirements:

Package / Case: 0805 (2012 Metric) (exact match required)
Footprint and termination count: 2 terminations (exact match)
Physical dimensions compatible with 0805 standard

Compliance Requirements:

RoHS3 Compliant (all substitutes must meet this requirement)
Moisture Sensitivity Level: 1 (Unlimited) or equivalent

Substitute parts are grouped into two categories based on tolerance and power rating variations:

Group A - Direct Electrical Equivalents (±5% tolerance, 0.125W power): RC0805JR-07270RL (YAGEO) - Identical electrical and mechanical specifications

Group B - Improved Tolerance Substitutes (±1% tolerance, 0.125W power): AC0805FR-07270RL (YAGEO), RC0805FR-07270RL (YAGEO), ERJ-6ENF2700V (Panasonic), CRCW0805270RFKEA (Vishay Dale), RMCF0805FT270R (Stackpole)

Group C - Enhanced Power Rating Substitutes (±1% tolerance, 0.5W power): CRCW0805270RFKEAHP (Vishay Dale), ERJ-UP6F2700V (Panasonic), RCS0805270RFKEA (Vishay Dale)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS3
RCS2012J271CS	Samsung Electro-Mechanics	270Ω	±5%	0.125	0805	±100ppm/°C	-55~155°C	Anti-Sulfur, Moisture Resistant	Yes
RC0805JR-07270RL	YAGEO	270Ω	±5%	0.125	0805	±100ppm/°C	-55~155°C	Moisture Resistant	Yes
AC0805FR-07270RL	YAGEO	270Ω	±1%	0.125	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Yes
AC0805JR-07270RL	YAGEO	270Ω	±5%	0.125	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Yes
RC0805FR-07270RL	YAGEO	270Ω	±1%	0.125	0805	±100ppm/°C	-55~155°C	Moisture Resistant	Yes
ERJ-6ENF2700V	Panasonic Electronic Components	270Ω	±1%	0.125	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Yes
CRCW0805270RFKEA	Vishay Dale	270Ω	±1%	0.125	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Yes
RMCF0805FT270R	Stackpole Electronics Inc	270Ω	±1%	0.125	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Yes
CRCW0805270RFKEAHP	Vishay Dale	270Ω	±1%	0.5	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	Yes
ERJ-UP6F2700V	Panasonic Electronic Components	270Ω	±1%	0.5	0805	±100ppm/°C	-55~155°C	Anti-Sulfur, Automotive AEC-Q200, Pulse Withstanding	Yes
RCS0805270RFKEA	Vishay Dale	270Ω	±1%	0.5	0805	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	Yes

Engineering Selection Recommendations

Direct Replacement (Identical Specifications):

RC0805JR-07270RL (YAGEO) is the direct electrical and mechanical equivalent to RCS2012J271CS. Both components share ±5% tolerance and 0.125W power rating in the 0805 package. This part is suitable for applications where the original Samsung component is unavailable while maintaining identical performance characteristics.

Improved Tolerance Substitutes (±1% Tolerance, 0.125W Power):

AC0805FR-07270RL, AC0805JR-07270RL, RC0805FR-07270RL, ERJ-6ENF2700V, CRCW0805270RFKEA, and RMCF0805FT270R are electrically compatible substitutes with tighter tolerance specifications (±1% versus ±5%). These parts maintain the 0.125W power rating and 0805 package footprint. Multiple manufacturers offer these specifications, including YAGEO, Panasonic, Vishay Dale, and Stackpole Electronics. Several of these options include Automotive AEC-Q200 certification, which provides additional qualification for automotive applications.

Enhanced Power Rating Substitutes (±1% Tolerance, 0.5W Power):

CRCW0805270RFKEAHP, ERJ-UP6F2700V, and RCS0805270RFKEA provide increased power dissipation capability (0.5W versus 0.125W) while maintaining the 0805 package and ±1% tolerance. These components are suitable for applications requiring higher thermal margin or pulse withstanding capability. All three parts carry Automotive AEC-Q200 certification. ERJ-UP6F2700V additionally includes anti-sulfur protection matching the original RCS2012J271CS feature set.

Compliance and Certification:

All substitute parts listed maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), matching the environmental and regulatory requirements of the original component. Parts with Automotive AEC-Q200 certification are qualified for automotive-grade applications and represent enhanced reliability screening.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance resistor as a substitute for the ±5% RCS2012J271CS?

A: Yes. Tighter tolerance specifications (±1%) are electrically compatible with applications designed for ±5% tolerance. The ±1% tolerance represents improved accuracy and is acceptable as a direct substitute from an electrical performance standpoint.

Q: What is the difference between 0.125W and 0.5W power-rated resistors in the same 0805 package?

A: The 0.5W variants provide higher power dissipation capability within the same physical footprint. These are suitable for applications requiring additional thermal margin or experiencing higher current conditions. The 0.5W parts are mechanically compatible with 0805 footprints designed for 0.125W components, but the application must accommodate the increased power handling.

Q: Are all substitute parts suitable for automotive applications?

A: The original RCS2012J271CS does not specify automotive certification. However, multiple substitute options including AC0805FR-07270RL, ERJ-6ENF2700V, CRCW0805270RFKEA, RMCF0805FT270R, CRCW0805270RFKEAHP, ERJ-UP6F2700V, and RCS0805270RFKEA carry Automotive AEC-Q200 certification. These parts are qualified for automotive-grade applications and may be preferred in automotive designs.

Q: What does "Anti-Sulfur" protection mean?

A: Anti-sulfur protection refers to resistance to sulfur-containing environmental contaminants that can degrade resistor performance. The original RCS2012J271CS and substitute ERJ-UP6F2700V both include this feature. This protection is relevant for applications in industrial or corrosive environments.

Q: Can I substitute parts with different packaging (Tape & Reel versus Cut Tape)?

A: Packaging format (Tape & Reel or Cut Tape) affects supply chain and handling but does not impact electrical or mechanical compatibility. The component specifications remain identical regardless of packaging format. Selection should be based on procurement and assembly process requirements.

Q: What is Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed substitute parts maintain MSL 1 compliance, matching the environmental robustness of the original RCS2012J271CS.

Q: Are there inventory considerations when selecting substitutes?

A: Inventory availability varies by part number and manufacturer. ERJ-6ENF2700V (Panasonic) and RC0805FR-07270RL (YAGEO) show higher inventory levels (157,620 and 137,753 units respectively), while RCS0805270RFKEA (Vishay Dale) shows lower availability (1,361 units). Procurement strategy should account for supply chain requirements and lead times.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message