RC3216F305CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F305CS is a 3 MOhms ±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 moisture-resistant construction, operating across -55°C to 155°C temperature range. The part is ROHS3 compliant with MSL 1 (Unlimited) rating, suitable for general industrial and consumer applications requiring stable high-impedance resistance networks.

Equivalent and substitute parts are identified to address inventory availability, supply chain continuity, or application-specific requirements such as automotive qualification or enhanced voltage performance characteristics.

Key Parameters

Parameter	Value
Resistance	3 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

Substitute Part Grouping Explanation

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

Mandatory Equivalence Criteria:

Resistance value: 3 MOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Operating temperature range: -55°C ~ 155°C
RoHS3 compliance
MSL 1 rating

Allowable Variations:

Temperature coefficient: ±100ppm/°C or ±200ppm/°C
Physical dimensions: Minor variations within 1206 package specification (length 3.10mm–3.20mm, width 1.60mm, height 0.60mm–0.65mm)
Features: Moisture Resistant, High Voltage, or Automotive AEC-Q200 qualification
Packaging format: Tape & Reel (TR) or bulk

Substitute parts are categorized as Direct (functionally identical), Upgrade (enhanced features), or Similar (additional certifications) based on feature additions beyond base specifications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	Features	Ratings	RoHS3	MSL
RC3216F305CS	Samsung Electro-Mechanics	3 MOhms	±1%	0.25	1206	±100	-55 ~ 155	Moisture Resistant	—	Yes	1
RC1206FR-073ML	YAGEO	3 MOhms	±1%	0.25	1206	±100	-55 ~ 155	Moisture Resistant	—	Yes	1
RCV12063M00FKEA	Vishay Dale	3 MOhms	±1%	0.25	1206	±100	-55 ~ 155	High Voltage	—	Yes	1
KTR18EZPF3004	Rohm Semiconductor	3 MOhms	±1%	0.25	1206	±100	-55 ~ 155	Automotive AEC-Q200, High Voltage	AEC-Q200	Yes	1
RV1206FR-073ML	YAGEO	3 MOhms	±1%	0.25	1206	±200	-55 ~ 155	Automotive AEC-Q200, High Voltage	AEC-Q200	Yes	1
AC1206FR-073ML	YAGEO	3 MOhms	±1%	0.25	1206	±100	-55 ~ 155	Automotive AEC-Q200, Moisture Resistant	AEC-Q200	Yes	1
CRCW12063M00FKEA	Vishay Dale	3 MOhms	±1%	0.25	1206	±100	-55 ~ 155	Automotive AEC-Q200	AEC-Q200	Yes	1

Engineering Selection Recommendations

Direct Substitution (RC1206FR-073ML — YAGEO): RC1206FR-073ML from YAGEO is a direct functional equivalent with identical electrical specifications and moisture-resistant feature set. This part maintains ±100ppm/°C temperature coefficient and operates across the full -55°C to 155°C range. Selection is appropriate for applications where the original Samsung part is unavailable and no additional certifications are required.

Upgrade Options with Enhanced Features:

KTR18EZPF3004 (Rohm Semiconductor) and RV1206FR-073ML (YAGEO) incorporate Automotive AEC-Q200 qualification and High Voltage features. These upgrades are suitable for automotive applications or circuits requiring enhanced voltage stress tolerance. KTR18EZPF3004 maintains ±100ppm/°C temperature coefficient, while RV1206FR-073ML operates at ±200ppm/°C. Both are ROHS3 compliant with MSL 1 rating.

Similar Parts with Automotive Certification:

AC1206FR-073ML (YAGEO) and CRCW12063M00FKEA (Vishay Dale) provide Automotive AEC-Q200 qualification. AC1206FR-073ML combines AEC-Q200 rating with moisture-resistant construction and ±100ppm/°C temperature coefficient. CRCW12063M00FKEA offers AEC-Q200 qualification with standard thick film construction. Both are suitable for automotive-grade applications requiring compliance certification.

High Voltage Alternative:

RCV12063M00FKEA (Vishay Dale) provides High Voltage feature classification without automotive certification. This part is appropriate for industrial applications requiring enhanced voltage performance while maintaining standard industrial compliance.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-073ML directly replace RC3216F305CS in all applications?

A: Yes. RC1206FR-073ML is a direct functional equivalent with identical resistance (3 MOhms), tolerance (±1%), power rating (0.25W), package (1206), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Both are ROHS3 compliant with MSL 1 rating. The primary difference is manufacturer (YAGEO vs. Samsung Electro-Mechanics) and packaging format availability.

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

A: Direct substitutes maintain identical electrical and feature specifications as the original part. Upgrade substitutes add enhanced features (such as Automotive AEC-Q200 or High Voltage capability) while maintaining core electrical parameters. Similar substitutes add certifications or feature combinations that extend application scope beyond the original part's specification.

Q: Should I use KTR18EZPF3004 or RV1206FR-073ML for automotive applications?

A: Both parts carry Automotive AEC-Q200 qualification and are suitable for automotive applications. KTR18EZPF3004 maintains ±100ppm/°C temperature coefficient, while RV1206FR-073ML operates at ±200ppm/°C. Selection depends on temperature stability requirements. For applications requiring tighter temperature coefficient control, KTR18EZPF3004 is preferred.

Q: Are there package dimension differences between substitute parts?

A: Minor variations exist within 1206 package specification. Length ranges from 3.10mm to 3.20mm, width is 1.60mm, and height ranges from 0.60mm to 0.65mm. These variations are within standard 1206 tolerance and do not affect PCB footprint compatibility. All parts are mechanically interchangeable in standard 1206 land patterns.

Q: What does MSL 1 (Unlimited) rating mean for these resistors?

A: MSL 1 indicates Moisture Sensitivity Level 1, the lowest moisture sensitivity classification. These parts have unlimited shelf life without special moisture control storage requirements and do not require baking before soldering. All listed substitute parts maintain MSL 1 rating.

Q: Can I substitute a part with ±200ppm/°C temperature coefficient (RV1206FR-073ML) for the original ±100ppm/°C part (RC3216F305CS)?

A: Substitution is permissible only if circuit design tolerates the wider temperature coefficient specification. RV1206FR-073ML exhibits twice the temperature drift rate. For precision applications requiring ±100ppm/°C stability, this substitution is not recommended. For general-purpose applications with relaxed temperature stability requirements, substitution is acceptable.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (RC1206FR-073ML, RCV12063M00FKEA, KTR18EZPF3004, RV1206FR-073ML, AC1206FR-073ML, CRCW12063M00FKEA) are ROHS3 compliant and REACH unaffected, matching the original RC3216F305CS compliance status.

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