RCS3216F111CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F111CS is a 110 Ohms ±1% 0.25W (1/4W) 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 characteristics. The part is ROHS3 compliant and operates across the temperature range of -55°C to 155°C.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the main part's functional requirements. This reference provides engineering-grade alternatives for component selection, procurement planning, and design flexibility.

Key Parameters

Parameter	Value
Resistance	110 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 ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F111CS are qualified based on the following criteria:

Electrical Parameters (Must Match):

Resistance value: 110 Ohms
Tolerance: ±1%
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C

Mechanical Parameters (Must Match):

Package / Case: 1206 (3216 Metric)
Number of Terminations: 2

Compliance Parameters (Must Match or Exceed):

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Composition:

Thick Film construction

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

Category A - Direct Equivalents (0.25W / 1/4W): Parts with identical power rating to the main part. These include AC1206FR-07110RL, CR1206-FX-1100ELF, CRCW1206110RFKEA, RC1206FR-07110RL, and ERJ-8ENF1100V.

Category B - Higher Power Rating (0.75W / 3/4W): CRCW1206110RFKEAHP operates at elevated power dissipation while maintaining all other electrical and mechanical specifications. This part is suitable for applications requiring additional thermal margin.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Product Status	RoHS	MSL	Size L x W (mm)	Height Max (mm)
RCS3216F111CS	Samsung Electro-Mechanics	110 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1	3.20 x 1.60	0.66
AC1206FR-07110RL	YAGEO	110 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1	3.10 x 1.60	0.65
CR1206-FX-1100ELF	Bourns Inc.	110 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1	3.20 x 1.60	0.75
CRCW1206110RFKEA	Vishay Dale	110 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1	3.20 x 1.60	0.60
CRCW1206110RFKEAHP	Vishay Dale	110 Ω	±1%	0.75	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1	3.10 x 1.60	0.65
ERJ-8ENF1100V	Panasonic Electronic Components	110 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Not For New Designs	ROHS3	1	3.20 x 1.60	0.70
RC1206FR-07110RL	YAGEO	110 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1	3.10 x 1.60	0.65

Engineering Selection Recommendations

Primary Substitutes (Active Status, Direct Power Rating Match):

RC1206FR-07110RL (YAGEO) is the preferred substitute, offering the highest inventory availability (324,893 pcs) with Active product status. This part maintains identical electrical specifications and ROHS3 compliance.

CRCW1206110RFKEA (Vishay Dale) provides an alternative with Active status and substantial inventory (16,813 pcs). This part includes AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability.

AC1206FR-07110RL (YAGEO) offers Active status with AEC-Q200 qualification and 11,485 pcs inventory availability.

CR1206-FX-1100ELF (Bourns Inc.) maintains Active status with 6,376 pcs in stock and moisture-resistant characteristics matching the main part.

Secondary Substitute (Higher Power Rating):

CRCW1206110RFKEAHP (Vishay Dale) operates at 0.75W (3/4W) power rating with Active status and AEC-Q200 qualification. This part is suitable for designs requiring increased thermal margin while maintaining the 1206 package footprint. Inventory: 21,756 pcs.

Not Recommended for New Designs:

ERJ-8ENF1100V (Panasonic Electronic Components) carries "Not For New Designs" product status despite meeting all electrical and compliance specifications. This designation indicates manufacturer discontinuation trajectory and should be avoided in new product development.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RCS3216F111CS with any of the listed parts in existing designs?

A: Yes, all parts marked as Active status with matching electrical parameters (110 Ohms ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C) are direct substitutes. The 1206 package ensures mechanical compatibility. Verify your PCB layout accommodates the dimensional variations listed in the parameter comparison table, particularly height differences ranging from 0.60mm to 0.75mm.

Q: What is the difference between the 0.25W and 0.75W versions?

A: CRCW1206110RFKEAHP operates at 0.75W (3/4W) power rating compared to the standard 0.25W (1/4W) rating of other substitutes. Both maintain identical resistance, tolerance, and temperature specifications. The higher power rating provides additional thermal dissipation capability for applications with higher current demands. Physical dimensions remain within the 1206 package specification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts carry ROHS3 compliance certification, matching the main part RCS3216F111CS. All parts also maintain Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

Q: Why is ERJ-8ENF1100V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic Electronic Components) has classified this part as obsolescent or in discontinuation phase. While the part meets all electrical and compliance specifications, it should not be selected for new product development to avoid future supply chain disruption.

Q: Do the substitute parts include automotive qualifications?

A: Three substitute parts carry AEC-Q200 automotive qualification: AC1206FR-07110RL, CRCW1206110RFKEA, CRCW1206110RFKEAHP, and ERJ-8ENF1100V. The remaining parts (CR1206-FX-1100ELF and RC1206FR-07110RL) do not list automotive qualification. Select AEC-Q200 qualified parts for automotive or high-reliability applications.

Q: What inventory considerations should guide my selection?

A: RC1206FR-07110RL offers the highest inventory availability at 324,893 pcs, providing supply security for high-volume production. CRCW1206110RFKEAHP (21,756 pcs) and CRCW1206110RFKEA (16,813 pcs) provide substantial inventory with automotive qualification. Smaller inventory levels (6,376 pcs for CR1206-FX-1100ELF and 11,485 pcs for AC1206FR-07110RL) may require longer lead times for large orders.

Q: Are there dimensional constraints I should consider?

A: All parts conform to the 1206 (3216 Metric) package specification. Length variations range from 3.10mm to 3.20mm, and height variations range from 0.60mm to 0.75mm. Verify your PCB layout and assembly equipment accommodate the maximum height specification of your selected substitute to ensure proper solder joint formation and component placement.

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