RCS3216F270CS Equivalent & Substitute Parts

Part Overview

The RCS3216F270CS is a 27 Ohm ±1% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component features anti-sulfur and moisture-resistant construction, operating across the temperature range of -55°C to 155°C. The part maintains Active product status with 1009 units currently in stock.

Equivalent and substitute parts are identified to address supply chain requirements, inventory availability, or specific application certifications. The following substitute components maintain electrical and mechanical compatibility within the defined parameter specifications.

Key Parameters

Parameter	Specification
Resistance Value	27 Ohms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts are grouped into two categories based on electrical and mechanical compatibility with the RCS3216F270CS:

Category 1: Direct Electrical & Mechanical Equivalents (0.25W Rating)

These parts maintain identical electrical specifications: 27 Ohms resistance, ±1% tolerance, 0.25W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. All are packaged in 1206 (3216 Metric) with 2 terminations, thick film composition, MSL 1, and ROHS3 compliance. Substitution within this category is based on manufacturer availability and packaging format (Tape & Reel vs. Cut Tape).

Category 2: Enhanced Power Rating Variants (0.5W and 0.75W)

These parts maintain all electrical specifications except power rating. The ESR18EZPF27R0 (0.5W) and CRCW120627R0FKEAHP (0.75W) provide higher power dissipation capability while preserving all other critical parameters. These are suitable for applications requiring additional thermal margin.

Key Substitution Parameters:

Resistance: 27 Ohms (fixed)
Tolerance: ±1% (fixed)
Package: 1206 (3216 Metric) (fixed)
Temperature Coefficient: ±100ppm/°C (fixed)
Operating Temperature: -55°C to 155°C (fixed)
Composition: Thick Film (fixed)
MSL: 1 (fixed)
RoHS3 Compliance: Required

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Composition	MSL	RoHS3	Product Status	Inventory
RCS3216F270CS	Samsung Electro-Mechanics	27 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	1	Yes	Active	1009
AC1206FR-0727RL	YAGEO	27 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	1	Yes	Active	27096
CR1206-FX-27R0ELF	Bourns Inc.	27 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	1	Yes	Active	38618
CRCW120627R0FKEA	Vishay Dale	27 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	1	Yes	Active	9173
CRCW120627R0FKEAHP	Vishay Dale	27 Ω	±1%	0.75	1206	±100ppm/°C	-55 to 155°C	Thick Film	1	Yes	Active	10991
ERJ-8ENF27R0V	Panasonic Electronic Components	27 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	1	Yes	Not For New Designs	36247
ESR18EZPF27R0	Rohm Semiconductor	27 Ω	±1%	0.5	1206	±100ppm/°C	-55 to 155°C	Thick Film	1	Yes	Active	10400
RC1206FR-0727RL	YAGEO	27 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	1	Yes	Active	141417

Engineering Selection Recommendations

For Direct Replacement (0.25W, Identical Specifications):

Select from AC1206FR-0727RL (YAGEO), CR1206-FX-27R0ELF (Bourns Inc.), CRCW120627R0FKEA (Vishay Dale), or RC1206FR-0727RL (YAGEO). All maintain Active product status with full ROHS3 compliance and MSL 1 rating. RC1206FR-0727RL offers the highest inventory availability at 141,417 units. CR1206-FX-27R0ELF provides 38,618 units with established supply. CRCW120627R0FKEA and AC1206FR-0727RL are suitable alternatives with adequate stock levels.

For Applications Requiring AEC-Q200 Automotive Certification:

AC1206FR-0727RL, CRCW120627R0FKEA, CRCW120627R0FKEAHP, ERJ-8ENF27R0V, and ESR18EZPF27R0 carry AEC-Q200 ratings. These components are qualified for automotive applications with defined reliability and performance standards.

For Enhanced Thermal Performance:

ESR18EZPF27R0 (0.5W) and CRCW120627R0FKEAHP (0.75W) provide increased power dissipation capability. These are suitable for circuit designs requiring additional thermal margin or higher pulse withstanding capability while maintaining all other electrical specifications.

Avoid for New Designs:

ERJ-8ENF27R0V carries "Not For New Designs" status. While electrically and mechanically compatible, this part should not be selected for new product development. Existing designs may continue using this component if already qualified.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RCS3216F270CS with any of the listed parts without circuit redesign?

A: Yes, for direct electrical equivalents (AC1206FR-0727RL, CR1206-FX-27R0ELF, CRCW120627R0FKEA, RC1206FR-0727RL, ERJ-8ENF27R0V). All maintain 27 Ohms ±1%, 0.25W power rating, 1206 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. No circuit modifications are required. The higher power-rated variants (ESR18EZPF27R0 at 0.5W and CRCW120627R0FKEAHP at 0.75W) are also electrically compatible but provide additional thermal capability.

Q: What is the difference between 0.25W, 0.5W, and 0.75W power ratings in the 1206 package?

A: Power rating indicates maximum continuous power dissipation capability. A 0.25W resistor dissipates up to 0.25 watts; 0.5W and 0.75W variants dissipate proportionally higher power levels. All three maintain identical resistance, tolerance, and temperature characteristics. Higher power ratings provide thermal margin in applications with elevated current or ambient temperature conditions.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the RCS3216F270CS specification.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component is not moisture-sensitive and requires no special handling, storage, or baking procedures prior to soldering. All listed parts maintain MSL 1 rating.

Q: Which substitute offers the best inventory availability?

A: RC1206FR-0727RL (YAGEO) provides the highest inventory at 141,417 units in stock, followed by CR1206-FX-27R0ELF (Bourns Inc.) at 38,618 units and ERJ-8ENF27R0V (Panasonic) at 36,247 units.

Q: Can I use ERJ-8ENF27R0V in new product designs?

A: No. ERJ-8ENF27R0V carries "Not For New Designs" product status. This designation indicates the manufacturer has discontinued or is phasing out this component for new applications. Existing designs may continue using this part if already qualified, but new designs should select from Active status alternatives.

Q: What is the significance of AEC-Q200 certification?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts carrying this certification (AC1206FR-0727RL, CRCW120627R0FKEA, CRCW120627R0FKEAHP, ERJ-8ENF27R0V, ESR18EZPF27R0) have undergone rigorous reliability testing and are approved for automotive applications. Select these parts for automotive circuit designs requiring compliance with automotive supplier standards.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within the 1206 package specification. Length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), and height ranges from 0.024" to 0.030" (0.60mm to 0.75mm). These variations remain within standard 1206 package tolerances and do not affect PCB layout or assembly compatibility.

Q: What packaging formats are available?

A: Substitute parts are supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. Tape & Reel is standard for high-volume automated assembly. Cut Tape & Digi-Reel is suitable for lower-volume or mixed-component orders. Verify packaging format requirements with your procurement or assembly process specifications.

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