RC3216F225CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F225CS is a 2.2 MOhm ±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 1143 pieces currently in stock. The part is designed for general-purpose applications requiring moisture-resistant thick film construction with standard tolerance and power rating specifications.

Substitute parts are necessary when the original manufacturer part becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design requirements call for enhanced features such as automotive qualification or specialized material properties.

Key Parameters

Parameter	Value
Resistance	2.2 MOhms
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	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F225CS is determined by strict equivalence across the following critical parameters:

Core Electrical Parameters:

Resistance value: 2.2 MOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.25W / 1/4W (exact match required)

Core Mechanical Parameters:

Package type: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Number of terminations: 2 (exact match required)

Environmental & Compliance Parameters:

Operating temperature range: -55°C ~ 155°C (exact match required)
RoHS3 Compliance (required for all substitutes)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Secondary Parameters (Allowable Variation):

Temperature coefficient: ±100ppm/°C or ±200ppm/°C (minor variation acceptable)
Physical dimensions: Minor variations within 1206 package specification (3.10mm to 3.20mm length; 0.60mm to 0.70mm height)
Packaging format: Tape & Reel (TR), Cut Tape (CT), or Digi-Reel® (format variation acceptable)
Features: Additional features such as Automotive AEC-Q200, High Voltage, or Anti-Sulfur do not disqualify substitution

Product Status Consideration: Substitutes with "Active" status are preferred. Parts with "Not For New Designs" or "Obsolete" status are listed but require engineering evaluation for new applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Op Temp Range	Features	Product Status	Inventory (Pcs)
RC3216F225CS	Samsung Electro-Mechanics	2.2 MOhm	±1%	0.25	1206	±100	-55 ~ 155°C	Moisture Resistant	Active	1143
RC1206FR-072M2L	YAGEO	2.2 MOhm	±1%	0.25	1206	±100	-55 ~ 155°C	Moisture Resistant	Active	10300
KTR18EZPF2204	Rohm Semiconductor	2.2 MOhm	±1%	0.25	1206	±100	-55 ~ 155°C	Automotive AEC-Q200, High Voltage	Active	285302
RMCF1206FT2M20	Stackpole Electronics Inc	2.2 MOhm	±1%	0.25	1206	±200	-55 ~ 155°C	Automotive AEC-Q200	Active	7347
AC1206FR-072M2L	YAGEO	2.2 MOhm	±1%	0.25	1206	±100	-55 ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Active	9329
CRCW12062M20FKEA	Vishay Dale	2.2 MOhm	±1%	0.25	1206	±100	-55 ~ 155°C	Automotive AEC-Q200	Active	14313
ERJ-8ENF2204V	Panasonic Electronic Components	2.2 MOhm	±1%	0.25	1206	±100	-55 ~ 155°C	Automotive AEC-Q200	Not For New Designs	75183
RCV12062M20FKEA	Vishay Dale	2.2 MOhm	±1%	0.25	1206	±100	-55 ~ 155°C	High Voltage	Active	6785
TRR18EZPF2204	Rohm Semiconductor	2.2 MOhm	±1%	0.25	1206	±100	-55 ~ 155°C	Anti-Sulfur	Obsolete	2153

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive):

RC1206FR-072M2L (YAGEO) is the primary direct substitute. This part maintains identical electrical specifications, moisture-resistant thick film composition, and equivalent physical dimensions. Product status is Active with substantial inventory availability (10300 pieces).

For Automotive Applications (AEC-Q200 Required):

AC1206FR-072M2L (YAGEO) combines automotive AEC-Q200 qualification with moisture-resistant features matching the original part's environmental protection. Alternatively, CRCW12062M20FKEA (Vishay Dale) provides AEC-Q200 qualification with high inventory availability (14313 pieces).

For High-Voltage Circuit Applications:

RCV12062M20FKEA (Vishay Dale) is specified with High Voltage features and maintains all core electrical and mechanical parameters. This part is suitable when circuit design requires enhanced voltage handling capability.

For High-Reliability Automotive Applications with Extended Supply:

KTR18EZPF2204 (Rohm Semiconductor) offers Automotive AEC-Q200 qualification combined with High Voltage features. Inventory availability is significantly higher (285302 pieces), supporting long-term supply chain stability. Temperature coefficient is ±200ppm/°C, which remains within acceptable tolerance for most applications.

Parts Not Recommended for New Designs:

ERJ-8ENF2204V (Panasonic) carries "Not For New Designs" status and should not be selected for new product development.

Obsolete Parts:

TRR18EZPF2204 (Rohm Semiconductor) is classified as Obsolete and should not be used in new designs or as primary substitutes.

Frequently Asked Questions (FAQ)

Q1: Can RC1206FR-072M2L directly replace RC3216F225CS in existing designs?

A: Yes. RC1206FR-072M2L meets all core electrical parameters (2.2 MOhm, ±1%, 0.25W), mechanical specifications (1206 package, thick film composition), and environmental requirements (-55°C ~ 155°C operating range, MSL 1, ROHS3 compliant). Physical dimensions vary slightly (3.10mm vs 3.20mm length) but remain within 1206 package specification. No circuit redesign is required.

Q2: What is the difference between moisture-resistant and non-moisture-resistant variants?

A: Moisture-resistant thick film construction provides enhanced protection against humidity ingress and environmental degradation. RC3216F225CS and RC1206FR-072M2L both feature moisture-resistant composition. Substitutes without explicit moisture-resistant designation (such as KTR18EZPF2204 or RMCF1206FT2M20) do not include this feature. Selection depends on application environment and reliability requirements.

Q3: Are automotive AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification represents enhanced reliability testing and quality standards. Parts such as AC1206FR-072M2L, CRCW12062M20FKEA, and KTR18EZPF2204 meet or exceed general-purpose application requirements. These parts are fully compatible with non-automotive circuits and offer superior reliability margins.

Q4: What does Temperature Coefficient ±200ppm/°C mean compared to ±100ppm/°C?

A: Temperature coefficient defines resistance change per degree Celsius. RMCF1206FT2M20 has ±200ppm/°C while most other substitutes have ±100ppm/°C. At 100°C temperature change, a ±100ppm/°C part experiences maximum 0.22% resistance drift; a ±200ppm/°C part experiences maximum 0.44% drift. For precision circuits requiring tight tolerance maintenance across temperature ranges, ±100ppm/°C is preferred. For general applications, ±200ppm/°C is acceptable.

Q5: Can I use High Voltage variants (RCV12062M20FKEA) in standard circuits?

A: Yes. High Voltage designation indicates the part is rated for elevated voltage stress conditions. Using a High Voltage part in standard voltage circuits presents no compatibility issues and provides additional safety margin. No circuit modification is required.

Q6: What is the significance of Anti-Sulfur composition (TRR18EZPF2204)?

A: Anti-Sulfur thick film composition provides enhanced resistance to sulfur-containing environmental contaminants. This feature is beneficial in industrial or corrosive environments. However, TRR18EZPF2204 is classified as Obsolete and should not be selected for new designs despite this feature advantage.

Q7: How do packaging formats (Tape & Reel vs Cut Tape) affect substitution?

A: Packaging format affects handling and assembly processes but does not impact electrical or mechanical compatibility. RC3216F225CS is supplied in standard packaging. Substitutes available in Tape & Reel (TR), Cut Tape (CT), or Digi-Reel® formats are all electrically and mechanically equivalent. Selection should be based on assembly equipment compatibility and procurement requirements.

Q8: Is ROHS3 compliance mandatory for all substitutes?

A: Yes. All listed substitutes maintain ROHS3 Compliant status, matching the original part. This compliance is required for most modern applications and regulatory environments. All substitutes listed in this reference meet this requirement.

Q9: What inventory considerations should guide substitute selection?

A: KTR18EZPF2204 offers the highest inventory availability (285302 pieces), supporting extended production runs and long-term supply security. RC1206FR-072M2L (10300 pieces) and CRCW12062M20FKEA (14313 pieces) provide substantial availability for most applications. RCV12062M20FKEA (6785 pieces) and RMCF1206FT2M20 (7347 pieces) support moderate-volume requirements. Inventory levels should be evaluated against production schedules and supply chain risk tolerance.

Q10: Can multiple substitute parts be used interchangeably within the same product?

A: Yes. All listed Active-status substitutes are electrically and mechanically interchangeable. Mixed sourcing from multiple manufacturers is permissible provided all parts meet the specified core parameters. This approach reduces supply chain dependency and improves availability. However, design documentation should clearly identify all approved substitutes to maintain traceability and quality control.

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