RC3216F183CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F183CS is an 18 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 839 pieces currently in stock. The RC series resistor is designed for general-purpose applications requiring moisture-resistant thick film construction. Equivalent and substitute parts are necessary to address supply chain flexibility, alternative sourcing options, and specific application requirements such as automotive qualification or enhanced power ratings.

Key Parameters

Parameter	Value	Specification Range
Resistance Value	18 kOhms	Fixed
Tolerance	±1%	Fixed
Power Rating	0.25W (1/4W)	Minimum requirement
Package / Case	1206 (3216 Metric)	Fixed
Composition	Thick Film	Fixed
Temperature Coefficient	±100ppm/°C	Fixed
Operating Temperature Range	-55°C ~ 155°C	Fixed
Number of Terminations	2	Fixed
RoHS Status	ROHS3 Compliant	Fixed
Moisture Sensitivity Level	1 (Unlimited)	Fixed

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F183CS is determined by strict equivalence across the following critical parameters:

Fixed Substitution Criteria:

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

Flexible Substitution Criteria:

Power rating: 0.25W minimum (higher ratings acceptable for upward compatibility)
Packaging format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats are interchangeable
Additional features: Automotive AEC-Q200 qualification and moisture resistance are optional enhancements that do not prevent substitution

All substitute parts listed meet or exceed the electrical and mechanical specifications of the main part. Parts are grouped by direct equivalence (identical specifications) and similar equivalence (enhanced features or higher power ratings).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	Product Status	RoHS	MSL
RC3216F183CS	Samsung Electro-Mechanics	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active	ROHS3	1
CR1206-FX-1802ELF	Bourns Inc.	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active	ROHS3	1
CRG1206F18K	TE Connectivity Passive Product	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	—	Active	ROHS3	1
ERJ-8ENF1802V	Panasonic Electronic Components	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Not For New Designs	ROHS3	1
RC1206FR-0718KL	YAGEO	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active	ROHS3	1
RMCF1206FT18K0	Stackpole Electronics Inc	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active	ROHS3	1
AC1206FR-0718KL	YAGEO	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Active	ROHS3	1
CRCW120618K0FKEA	Vishay Dale	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active	ROHS3	1
CRCW120618K0FKEAHP	Vishay Dale	18 kΩ	±1%	0.75	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	Active	ROHS3	1
KTR18EZPF1802	Rohm Semiconductor	18 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, High Voltage	Active	ROHS3	1

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications): CR1206-FX-1802ELF (Bourns), RC1206FR-0718KL (YAGEO), and CRG1206F18K (TE Connectivity) are direct functional equivalents to the RC3216F183CS. All three maintain Active product status, identical electrical parameters, and RoHS3 compliance. These parts are suitable for one-to-one replacement in applications where the original specification is required.

Enhanced Equivalents with Automotive Qualification: RMCF1206FT18K0 (Stackpole), AC1206FR-0718KL (YAGEO), CRCW120618K0FKEA (Vishay Dale), and KTR18EZPF1802 (Rohm) provide identical electrical specifications with additional Automotive AEC-Q200 qualification. These parts are suitable for applications requiring automotive-grade components and maintain Active product status.

Higher Power Rating Option: CRCW120618K0FKEAHP (Vishay Dale) provides 0.75W power rating with Automotive AEC-Q200 qualification and pulse withstanding capability. This part is suitable for applications requiring enhanced power dissipation while maintaining all other electrical parameters. The higher power rating provides design margin without affecting circuit performance.

Obsolescence Consideration: ERJ-8ENF1802V (Panasonic) carries "Not For New Designs" product status. While electrically equivalent and currently in stock (49,084 pieces), this part should be avoided for new designs. Existing designs using this part may continue to source from available inventory.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC3216F183CS with any of the listed parts in my existing design?

A: Yes, all listed parts meet the core electrical and mechanical specifications of the RC3216F183CS. Direct equivalents (CR1206-FX-1802ELF, RC1206FR-0718KL, CRG1206F18K) are suitable for direct replacement. Enhanced equivalents with AEC-Q200 qualification are also compatible and provide additional certification benefits.

Q: What is the difference between "Direct" and "Similar" substitute classifications?

A: Direct substitutes maintain identical specifications including features and power rating. Similar substitutes provide enhanced features (such as Automotive AEC-Q200 qualification or higher power ratings) while maintaining core electrical parameters. Both categories are functionally compatible with the original part.

Q: Can I use CRCW120618K0FKEAHP (0.75W) instead of the 0.25W RC3216F183CS?

A: Yes. The higher power rating (0.75W vs. 0.25W) is an upward-compatible enhancement. The part will function correctly in any circuit designed for 0.25W or lower power dissipation. The 1206 package dimensions remain identical.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the original RC3216F183CS specification.

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

A: MSL 1 indicates the lowest moisture sensitivity level. These parts have unlimited shelf life and do not require special moisture-control handling during storage or assembly. All listed parts maintain MSL 1 rating.

Q: Should I use ERJ-8ENF1802V for new designs?

A: No. ERJ-8ENF1802V carries "Not For New Designs" product status. For new designs, select from parts with Active status: CR1206-FX-1802ELF, CRG1206F18K, RC1206FR-0718KL, RMCF1206FT18K0, AC1206FR-0718KL, CRCW120618K0FKEA, CRCW120618K0FKEAHP, or KTR18EZPF1802.

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

A: Both are standard packaging formats for SMD components. Tape & Reel is used for high-volume automated assembly. Cut Tape & Digi-Reel® is used for lower-volume or mixed-component orders. Both formats contain identical components and are interchangeable from an electrical and mechanical standpoint.

Q: Do all substitute parts have the same physical dimensions?

A: All parts use the 1206 (3216 Metric) package with nominal dimensions of 3.20mm × 1.60mm length and width. Height varies slightly (0.024" to 0.030" seated height maximum), but these variations are within standard PCB design tolerances and do not affect placement or soldering.

Q: Which substitute part has the best availability?

A: KTR18EZPF1802 (Rohm) has the highest inventory at 33,800 pieces. CR1206-FX-1802ELF (Bourns) has 72,940 pieces available. Both provide excellent supply security for high-volume applications.

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