RC3216F122CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F122CS is a 1.2 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 826 pieces currently in stock. The RC3216F122CS serves as a standard general-purpose resistor for applications requiring moisture resistance and tight tolerance specifications. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific feature options such as automotive qualification or enhanced power ratings.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	1.2 kOhms	Core electrical specification
Tolerance	±1%	Precision requirement
Power Rating	0.25W (1/4W)	Thermal dissipation capacity
Package / Case	1206 (3216 Metric)	Physical footprint and mounting
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Stability over temperature range
Operating Temperature Range	-55°C to 155°C	Environmental operating limits
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Handling and storage requirements
RoHS Status	ROHS3 Compliant	Environmental compliance
Number of Terminations	2	Component connectivity

Substitute Part Grouping Explanation

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

Mandatory Matching Parameters:

Resistance Value: 1.2 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature Range: -55°C to 155°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)
MSL Rating: 1 (Unlimited) (exact match required)

Allowable Variation Parameters:

Power Rating: 0.25W (1/4W) is standard; 0.75W (3/4W) represents enhanced capability and is acceptable for applications requiring higher power dissipation
Physical Dimensions: Minor variations in length, width, and height within 1206 package specification are acceptable provided PCB footprint compatibility is maintained
Packaging Format: Cut Tape (CT), Digi-Reel®, or Tape & Reel (TR) formats are interchangeable for procurement purposes
Features: Additional features such as Automotive AEC-Q200 qualification or Moisture Resistance are additive enhancements and do not disqualify substitution
Product Status: Active status is preferred; "Not For New Designs" status indicates legacy components suitable only for replacement or maintenance applications

Substitution Categories:

Direct Substitutes maintain identical electrical and mechanical specifications with no feature additions or power rating changes.

Similar Substitutes maintain identical core electrical specifications but include additional features (automotive qualification, moisture resistance, or enhanced power ratings) or represent alternative manufacturer implementations of the same specification.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	Product Status	Inventory
Samsung Electro-Mechanics	RC3216F122CS	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active	826
Bourns Inc.	CR1206-FX-1201ELF	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active	29328
TE Connectivity Passive Product	CRG1206F1K2	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	None	Active	20308
Panasonic Electronic Components	ERJ-8ENF1201V	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	Not For New Designs	76065
YAGEO	RC1206FR-071K2L	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active	169141
Stackpole Electronics Inc	RMCF1206FT1K20	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	Active	137304
YAGEO	AC1206FR-071K2L	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	Active	2300
Vishay Dale	CRCW12061K20FKEA	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	Active	33924
Vishay Dale	CRCW12061K20FKEAC	1.2 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	None	Active	79588
Vishay Dale	CRCW12061K20FKEAHP	1.2 kΩ	±1%	0.75	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Pulse Withstanding	Active	120664

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive):

CR1206-FX-1201ELF (Bourns Inc.) and RC1206FR-071K2L (YAGEO) are direct functional equivalents with Active product status and moisture resistance features matching the RC3216F122CS. Both components maintain identical electrical specifications and package dimensions. CR1206-FX-1201ELF offers higher inventory availability (29,328 units) compared to the original part. RC1206FR-071K2L provides the largest inventory position (169,141 units) among all substitutes, supporting high-volume procurement requirements.

For Automotive Applications (AEC-Q200 Required):

RMCF1206FT1K20 (Stackpole Electronics Inc) and CRCW12061K20FKEA (Vishay Dale) are Active products with Automotive AEC-Q200 qualification. RMCF1206FT1K20 provides superior inventory depth (137,304 units) and established automotive supply chain presence. CRCW12061K20FKEA offers alternative sourcing with 33,924 units in stock. AC1206FR-071K2L (YAGEO) combines both Automotive AEC-Q200 qualification and Moisture Resistance features but maintains lower inventory (2,300 units).

For Enhanced Power Dissipation (0.75W Requirement):

CRCW12061K20FKEAHP (Vishay Dale) is the only substitute offering 0.75W power rating with Automotive AEC-Q200 qualification and Pulse Withstanding capability. This component is suitable for applications requiring higher thermal performance while maintaining the 1206 package footprint. Inventory availability is substantial (120,664 units).

Legacy Component Consideration:

ERJ-8ENF1201V (Panasonic Electronic Components) carries "Not For New Designs" product status despite high inventory (76,065 units). This component is restricted to replacement and maintenance applications only and is not recommended for new design implementations.

For Standard Procurement (No Special Requirements):

CRG1206F1K2 (TE Connectivity Passive Product) and CRCW12061K20FKEAC (Vishay Dale) provide cost-effective alternatives with Active status and no feature restrictions. Both maintain full electrical equivalence to the RC3216F122CS with inventory positions of 20,308 and 79,588 units respectively.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC3216F122CS with a 1206 resistor having different tolerance (e.g., ±5%)?

A: No. Tolerance is a mandatory matching parameter. The RC3216F122CS specifies ±1% tolerance. Substitutes must maintain ±1% tolerance to ensure circuit performance and signal integrity. Deviating to ±5% tolerance introduces unacceptable measurement error in precision applications.

Q: Is CRCW12061K20FKEAHP (0.75W) a valid substitute for RC3216F122CS (0.25W)?

A: Yes, for applications where the original 0.25W power rating is sufficient. The 0.75W variant provides enhanced thermal capability and is backward-compatible with designs requiring 0.25W dissipation. However, if the circuit design specifically requires 0.25W rating for thermal management or component selection criteria, the 0.75W variant introduces unnecessary cost and board space considerations. Use 0.75W variants only when higher power dissipation is required.

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

A: Direct Substitutes maintain identical electrical and mechanical specifications without feature additions. Similar Substitutes maintain core electrical specifications but include additional features such as Automotive AEC-Q200 qualification, Moisture Resistance, or enhanced power ratings. Both categories are electrically compatible; the distinction reflects feature scope and application suitability.

Q: Can I use ERJ-8ENF1201V in a new product design?

A: No. ERJ-8ENF1201V carries "Not For New Designs" product status, indicating this is a legacy component. It is restricted to replacement and maintenance applications only. For new designs, select from Active status components such as CR1206-FX-1201ELF, RC1206FR-071K2L, RMCF1206FT1K20, or CRCW12061K20FKEA.

Q: Are there physical dimension differences between substitute parts that affect PCB layout?

A: Minor variations exist within the 1206 package specification. The RC3216F122CS specifies 0.126" L × 0.063" W (3.20mm × 1.60mm) with 0.026" maximum seated height. Substitutes show variations: CRG1206F1K2 measures 0.122" L × 0.061" W (3.10mm × 1.55mm); CRCW12061K20FKEAC measures 0.120" L × 0.061" W (3.05mm × 1.55mm). These variations remain within standard 1206 footprint tolerances and do not require PCB redesign. Verify with your PCB design tool that component outlines remain within specified land pattern clearances.

Q: Which substitute offers the best supply chain availability?

A: RC1206FR-071K2L (YAGEO) provides the largest inventory position with 169,141 units in stock, followed by CRCW12061K20FKEAHP (Vishay Dale) with 120,664 units. For high-volume procurement or long-term supply assurance, these components offer superior availability. CRCW12061K20FKEAC (Vishay Dale) also provides substantial inventory (79,588 units) with Active status and no feature restrictions.

Q: Do all substitutes comply with RoHS3 and REACH requirements?

A: Yes. All listed substitutes maintain ROHS3 Compliant status and REACH Unaffected classification, matching the RC3216F122CS environmental compliance profile. All components are suitable for applications requiring environmental regulatory compliance.

Q: What is the significance of Moisture Sensitivity Level (MSL) 1 rating?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitutes maintain MSL 1 rating, eliminating moisture-related procurement or storage constraints.

Q: Should I select an Automotive AEC-Q200 qualified component for non-automotive applications?

A: Automotive AEC-Q200 qualified components (RMCF1206FT1K20, CRCW12061K20FKEA, AC1206FR-071K2L, CRCW12061K20FKEAHP) are suitable for non-automotive applications. AEC-Q200 qualification represents enhanced reliability testing and quality assurance, providing additional confidence in component performance. Selection should be based on application requirements, cost considerations, and supply chain strategy rather than automotive qualification alone.

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