RC3216F180CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F180CS is an 18 Ohm ±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 729 pieces currently in stock. The RC3216F180CS serves as a standard general-purpose resistor for applications requiring moisture-resistant thick film construction across industrial and commercial temperature ranges.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when supply chain optimization is required, or when design specifications allow for alternative manufacturers meeting identical electrical and mechanical parameters.

Key Parameters

Parameter	Value
Resistance	18 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
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F180CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 18 Ohms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Termination count: 2
RoHS3 compliance
MSL rating: 1 (Unlimited)

Substitution Categories:

Direct Equivalents – Parts meeting all mandatory parameters with identical electrical and mechanical specifications:

CR1206-FX-18R0ELF (Bourns Inc.)
RC1206FR-0718RL (YAGEO)

Functional Equivalents with Enhanced Features – Parts meeting all mandatory parameters with additional certifications or performance enhancements:

AC1206FR-0718RL (YAGEO) – Adds AEC-Q200 automotive qualification
CRCW120618R0FKEA (Vishay Dale) – Adds AEC-Q200 automotive qualification
ERJ-8ENF18R0V (Panasonic) – Adds AEC-Q200 automotive qualification
RMCF1206FT18R0 (Stackpole Electronics) – Adds AEC-Q200 automotive qualification

Similar Parts with Parameter Variance – Parts meeting core electrical specifications with allowable mechanical or performance differences:

CRCW120618R0FKEAHP (Vishay Dale) – Power rating increased to 0.75W (3/4W); adds AEC-Q200 and pulse withstanding capability
MCR18ERTF18R0 (Rohm Semiconductor) – Discontinued at DiGi Electronics; meets all core parameters

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	Product Status	RoHS3	MSL
RC3216F180CS	Samsung Electro-Mechanics	18Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active	Yes	1
CR1206-FX-18R0ELF	Bourns Inc.	18Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active	Yes	1
RC1206FR-0718RL	YAGEO	18Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active	Yes	1
AC1206FR-0718RL	YAGEO	18Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200, Moisture Resistant	Active	Yes	1
CRCW120618R0FKEA	Vishay Dale	18Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200	Active	Yes	1
CRCW120618R0FKEAHP	Vishay Dale	18Ω	±1%	0.75	1206	±100ppm/°C	-55~155°C	AEC-Q200, Pulse Withstanding	Active	Yes	1
ERJ-8ENF18R0V	Panasonic Electronic Components	18Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200	Not For New Designs	Yes	1
MCR18ERTF18R0	Rohm Semiconductor	18Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	None	Discontinued at DiGi Electronics	Yes	1
RMCF1206FT18R0	Stackpole Electronics Inc	18Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200	Active	Yes	1

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

CR1206-FX-18R0ELF (Bourns Inc.) and RC1206FR-0718RL (YAGEO) are direct functional equivalents to the RC3216F180CS. Both maintain identical electrical parameters, package dimensions, and moisture-resistant thick film construction. CR1206-FX-18R0ELF offers significantly higher inventory availability (15,593 pieces) compared to the primary part. RC1206FR-0718RL provides 25,400 pieces in stock with Active product status.

For Automotive or Enhanced Reliability Applications:

AC1206FR-0718RL, CRCW120618R0FKEA, ERJ-8ENF18R0V, and RMCF1206FT18R0 all incorporate AEC-Q200 automotive qualification while maintaining the 0.25W power rating and all core electrical specifications. These parts are suitable for applications requiring automotive-grade component certification. RMCF1206FT18R0 (Stackpole Electronics) offers the highest inventory level at 197,769 pieces with Active status.

For Higher Power Dissipation Requirements:

CRCW120618R0FKEAHP (Vishay Dale) increases the power rating to 0.75W while maintaining the 18 Ohm resistance and ±1% tolerance. This part includes AEC-Q200 qualification and pulse withstanding capability. Use this variant only when circuit design requires the increased power handling capacity, as it represents a different performance class.

Parts to Avoid for New Designs:

ERJ-8ENF18R0V carries "Not For New Designs" status from Panasonic. MCR18ERTF18R0 is discontinued at DiGi Electronics and should not be selected for new applications.

Compliance Verification:

All recommended substitutes maintain ROHS3 compliance, MSL rating of 1 (Unlimited), and identical operating temperature ranges (-55°C ~ 155°C). All parts are classified as REACH Unaffected with EAR99 ECCN designation.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-18R0ELF replace RC3216F180CS in any application?

A: Yes. CR1206-FX-18R0ELF meets all electrical and mechanical parameters of the RC3216F180CS. Both are 18 Ohm ±1% 0.25W thick film resistors in 1206 package with identical temperature coefficients and operating ranges. The parts are functionally interchangeable.

Q: What is the difference between RC1206FR-0718RL and AC1206FR-0718RL?

A: Both are YAGEO 18 Ohm ±1% 0.25W 1206 resistors. AC1206FR-0718RL adds AEC-Q200 automotive qualification and is rated for automotive applications. RC1206FR-0718RL is the standard industrial version without automotive certification. Electrical performance is identical.

Q: Why would I select CRCW120618R0FKEAHP instead of the standard 0.25W options?

A: CRCW120618R0FKEAHP provides 0.75W power rating in the same 1206 package. Select this part only if your circuit design requires higher power dissipation capability. The increased power rating does not improve performance in applications designed for 0.25W resistors.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance identical to the RC3216F180CS. All parts are also REACH Unaffected with MSL rating of 1 (Unlimited).

Q: Can I use ERJ-8ENF18R0V for new product designs?

A: No. ERJ-8ENF18R0V carries "Not For New Designs" status from Panasonic. Select alternative parts such as RMCF1206FT18R0, AC1206FR-0718RL, or CRCW120618R0FKEA for new designs requiring AEC-Q200 qualification.

Q: What is the difference in physical dimensions between substitute parts?

A: All parts use the 1206 (3216 Metric) package. Length varies slightly between 0.120" to 0.126" (3.05mm to 3.20mm) and height between 0.024" to 0.030" (0.60mm to 0.75mm). These minor dimensional variations remain within standard 1206 package tolerances and do not affect PCB layout compatibility.

Q: Which substitute part has the highest inventory availability?

A: CRCW120618R0FKEAHP (Vishay Dale) offers 157,806 pieces in stock. For the standard 0.25W rating, RMCF1206FT18R0 (Stackpole Electronics) provides 197,769 pieces. CR1206-FX-18R0ELF (Bourns) offers 15,593 pieces.

Q: Are moisture-resistant features identical across all substitute parts?

A: The RC3216F180CS, CR1206-FX-18R0ELF, RC1206FR-0718RL, and AC1206FR-0718RL explicitly specify moisture-resistant thick film construction. Other substitutes do not list moisture resistance as a feature specification, though all maintain MSL rating of 1 (Unlimited).

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