RCS3216J271CS 270 Ohm 1/4W 1206 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RCS3216J271CS is a 270 Ohms ±5% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active product status with anti-sulfur and moisture-resistant properties. The part is ROHS3 compliant and suitable for general-purpose applications requiring standard tolerance resistive elements.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and operating parameters. Alternative sources provide equivalent functionality for procurement flexibility, inventory management, and supply chain continuity.

Key Parameters

Parameter	Value
Resistance	270 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 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

Substitution eligibility for the RCS3216J271CS is determined by the following critical parameters:

Primary Substitution Criteria:

Resistance value: 270 Ohms (exact match required)
Package footprint: 1206 (3216 Metric) (mechanical compatibility)
Operating temperature range: -55°C ~ 155°C (functional envelope)
Composition: Thick Film (material consistency)
Temperature coefficient: ±100ppm/°C (thermal stability)
RoHS3 compliance (regulatory requirement)
Moisture Sensitivity Level: 1 (handling and storage compatibility)

Secondary Consideration:

Tolerance: ±5% (primary specification) or ±1% (tighter tolerance acceptable for direct substitution)
Power rating: 0.25W (1/4W) minimum; higher ratings (0.75W) acceptable for derating applications

Parts meeting all primary criteria are classified as direct substitutes. Parts with tighter tolerance (±1%) are functionally superior and directly substitutable. Parts with higher power ratings remain compatible within the same package envelope when thermal management permits.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	RoHS	MSL	Product Status
RCS3216J271CS	Samsung Electro-Mechanics	270 Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active
RC3216J271CS	Samsung Electro-Mechanics	270 Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active
AC1206JR-07270RL	YAGEO	270 Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active
RC1206JR-07270RL	YAGEO	270 Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active
AC1206FR-07270RL	YAGEO	270 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active
CR1206-FX-2700ELF	Bourns Inc.	270 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active
CRCW1206270RFKEA	Vishay Dale	270 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active
CRCW1206270RFKEAHP	Vishay Dale	270 Ω	±1%	0.75	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active
ERJ-8ENF2700V	Panasonic Electronic Components	270 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Not For New Designs
RC1206FR-07270RL	YAGEO	270 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Active

Engineering Selection Recommendations

Direct Substitutes (Identical Specifications):

RC3216J271CS (Samsung Electro-Mechanics) and RC1206JR-07270RL (YAGEO) are direct functional equivalents with matching tolerance (±5%), power rating (0.25W), and all electrical parameters. Both maintain Active product status and full ROHS3 compliance. Selection between these parts is based on procurement availability and packaging format preference (Cut Tape vs. Tape & Reel).

Superior Tolerance Substitutes (±1% Tolerance):

AC1206FR-07270RL, AC1206JR-07270RL (YAGEO), CR1206-FX-2700ELF (Bourns Inc.), CRCW1206270RFKEA (Vishay Dale), and RC1206FR-07270RL (YAGEO) provide tighter tolerance specifications (±1%) while maintaining all other electrical and mechanical parameters. These parts are directly substitutable and offer improved accuracy for applications requiring enhanced precision. All maintain Active product status and ROHS3 compliance.

Higher Power Rating Substitute:

CRCW1206270RFKEAHP (Vishay Dale) provides 0.75W power rating in the same 1206 package with ±1% tolerance. This part is substitutable for applications where thermal derating or pulse withstanding capability is beneficial, though it is not required for standard 0.25W operation.

Legacy Status Consideration:

ERJ-8ENF2700V (Panasonic Electronic Components) carries "Not For New Designs" product status. While electrically and mechanically equivalent, this part should not be selected for new circuit designs. Existing designs currently using this part may continue with this component, but migration to Active-status alternatives is recommended for long-term supply security.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance resistor as a substitute for the ±5% RCS3216J271CS?

A: Yes. Parts with ±1% tolerance (AC1206FR-07270RL, CR1206-FX-2700ELF, CRCW1206270RFKEA, RC1206FR-07270RL) are directly substitutable. The tighter tolerance provides superior accuracy and is functionally compatible with circuits designed for ±5% tolerance.

Q: Are all substitute parts available in the same 1206 package?

A: Yes. All listed substitute parts use the 1206 (3216 Metric) package footprint, ensuring mechanical compatibility and identical PCB layout requirements.

Q: What is the difference between packaging formats (Cut Tape vs. Tape & Reel)?

A: Packaging format affects handling and automated assembly compatibility. Cut Tape (CT) & Digi-Reel® is suitable for manual assembly and small-volume applications. Tape & Reel (TR) is optimized for high-volume automated pick-and-place assembly. Electrical and mechanical specifications remain identical regardless of packaging format.

Q: Can I use CRCW1206270RFKEAHP (0.75W) in place of the 0.25W RCS3216J271CS?

A: Yes. The 0.75W part is mechanically and electrically compatible. The higher power rating provides additional thermal margin and pulse withstanding capability. No circuit modifications are required. The part operates safely at 0.25W power dissipation levels.

Q: Why is ERJ-8ENF2700V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends against use in new circuit designs. Existing designs may continue using this part, but new designs should select from Active-status alternatives to ensure long-term supply availability and manufacturer support.

Q: Do all substitute parts meet ROHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant and carry Moisture Sensitivity Level 1 (Unlimited), matching the original RCS3216J271CS specifications.

Q: What is the temperature coefficient significance?

A: All substitute parts maintain ±100ppm/°C temperature coefficient, identical to the original part. This parameter ensures consistent resistance stability across the -55°C to 155°C operating temperature range.

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