RCS3216F112CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F112CS is a 1.1 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant properties. The part operates across -55°C to 155°C temperature range and complies with ROHS3 standards.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for functionally compatible alternatives from different manufacturers that meet identical electrical and mechanical parameters.

Key Parameters

Parameter	Value
Resistance	1.1 kOhms
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 ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F112CS is determined by strict adherence to the following parameters:

Critical Parameters (Must Match Exactly):

Resistance Value: 1.1 kOhms
Tolerance: ±1%
Package / Case: 1206 (3216 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
Number of Terminations: 2
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

Power Rating: 0.25W (1/4W) or higher
Manufacturer: Different manufacturers permitted
Packaging Format: Cut Tape (CT), Digi-Reel®, or Tape & Reel (TR)
Additional Features: Automotive AEC-Q200 certification, Pulse Withstanding capability, or Anti-Sulfur properties are allowable additions
Product Status: Active or Not For New Designs

Substitute parts are grouped into two categories based on power rating compatibility:

Group 1 - Direct Equivalents (0.25W / 1/4W): Parts with identical 0.25W power rating Group 2 - Higher Power Alternatives (0.75W / 3/4W): Parts with increased power rating suitable for applications with higher power dissipation requirements

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	RoHS	MSL	Product Status	Packaging Format
RCS3216F112CS	Samsung Electro-Mechanics	1.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	-
AC1206FR-071K1L	YAGEO	1.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	Tape & Reel (TR)
CR1206-FX-1101ELF	Bourns Inc.	1.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	Cut Tape (CT) & Digi-Reel®
CRCW12061K10FKEA	Vishay Dale	1.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	Cut Tape (CT) & Digi-Reel®
CRCW12061K10FKEAHP	Vishay Dale	1.1 kOhms	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	Tape & Reel (TR)
ERJ-8ENF1101V	Panasonic Electronic Components	1.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Not For New Designs	Tape & Reel (TR)
RC1206FR-071K1L	YAGEO	1.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

For New Designs: Select from parts with Active product status: AC1206FR-071K1L, CR1206-FX-1101ELF, CRCW12061K10FKEA, CRCW12061K10FKEAHP, or RC1206FR-071K1L. These parts are actively supported by manufacturers and recommended for ongoing production.

For Automotive Applications: Parts with Automotive AEC-Q200 certification are available: AC1206FR-071K1L, CRCW12061K10FKEA, CRCW12061K10FKEAHP, and ERJ-8ENF1101V. These parts meet automotive-grade reliability standards.

For Higher Power Dissipation: CRCW12061K10FKEAHP provides 0.75W (3/4W) power rating with Pulse Withstanding capability while maintaining all other electrical and mechanical parameters identical to the main part.

For Legacy System Maintenance: ERJ-8ENF1101V is classified as Not For New Designs but remains available for existing system support and maintenance applications.

Packaging Format Considerations:

Cut Tape (CT) & Digi-Reel® format: CR1206-FX-1101ELF, CRCW12061K10FKEA, RC1206FR-071K1L
Tape & Reel (TR) format: AC1206FR-071K1L, CRCW12061K10FKEAHP, ERJ-8ENF1101V

Frequently Asked Questions (FAQ)

Q: Can CRCW12061K10FKEAHP (0.75W) be used as a direct replacement for RCS3216F112CS (0.25W)?

A: Yes. The CRCW12061K10FKEAHP meets all critical electrical and mechanical parameters. The higher power rating (0.75W vs 0.25W) is a non-restrictive variation that provides additional thermal margin. This substitution is valid when the application circuit design permits the higher power rating.

Q: What is the difference between Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) packaging?

A: Both are tape-based packaging formats suitable for automated assembly. Cut Tape format is supplied in cut lengths on carrier tape, while Tape & Reel format is supplied on continuous reels. Selection depends on manufacturing equipment compatibility and order quantity requirements. Both formats contain identical components.

Q: Why is ERJ-8ENF1101V marked as "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. However, the part remains available for existing system support and maintenance. For new designs, select from parts with Active status.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the compliance status of the main part RCS3216F112CS.

Q: What does Moisture Sensitivity Level (MSL) 1 mean?

A: MSL 1 indicates unlimited shelf life without moisture-related degradation. All listed parts share this MSL rating, ensuring equivalent moisture handling requirements during storage and assembly.

Q: Can I mix different manufacturers' parts in the same circuit board assembly?

A: Yes. All substitute parts meet identical electrical specifications (1.1 kOhms ±1%, 0.25W or higher, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range). Mixing manufacturers is permitted when all parts meet these specifications.

Q: What is the significance of the ±100ppm/°C temperature coefficient?

A: This parameter defines resistance change over temperature. All listed parts share this identical specification, ensuring equivalent thermal stability across the -55°C to 155°C operating range.

Q: Are there any 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 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 compatibility.

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