Equivalent & Substitute Parts for RC3216F335CS

Part Overview

The RC3216F335CS is a 3.3 MOhm ±1% thick film chip resistor in 1206 (3216 Metric) package rated for 0.25W (1/4W) power dissipation. Manufactured by Samsung Electro-Mechanics, this component features moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design requirements necessitate alternative manufacturers while maintaining electrical and mechanical compatibility within specified tolerances.

Key Parameters

Parameter	Value	Specification Basis
Resistance	3.3 MOhms	Core electrical specification
Tolerance	±1%	Precision requirement
Power Rating	0.25W (1/4W)	Thermal dissipation capacity
Package Type	1206 (3216 Metric)	Physical footprint and mounting
Composition	Thick Film	Manufacturing technology
Operating Temperature	-55°C to 155°C	Environmental operating range
Temperature Coefficient	±100ppm/°C (±200ppm/°C for RMCF1206FT3M30)	Resistance stability over temperature
Terminations	2	Standard chip resistor configuration
RoHS Status	ROHS3 Compliant	Environmental regulation compliance
MSL Rating	1 (Unlimited)	Moisture sensitivity classification

Substitute Part Grouping Explanation

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

Mandatory Equivalence Parameters:

Resistance value: 3.3 MOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Operating temperature range: -55°C to 155°C
Termination count: 2
RoHS3 compliance
MSL 1 rating

Allowable Variations:

Manufacturer identity
Packaging format (Cut Tape vs. Tape & Reel)
Temperature coefficient (±100ppm/°C or ±200ppm/°C)
Physical dimensions within 1206 package tolerance
Height seated maximum (0.024" to 0.028")
Additional features (Automotive AEC-Q200, High Voltage, Moisture Resistant)

All substitute parts listed maintain full electrical and mechanical compatibility with the RC3216F335CS within standard PCB assembly processes and design tolerances.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range	Package	Features	RoHS3	MSL
RC3216F335CS	Samsung Electro-Mechanics	3.3 MOhm	±1%	0.25	±100	-55 to 155°C	1206	Moisture Resistant	Yes	1
RC1206FR-073M3L	YAGEO	3.3 MOhm	±1%	0.25	±100	-55 to 155°C	1206	Moisture Resistant	Yes	1
KTR18EZPF3304	Rohm Semiconductor	3.3 MOhm	±1%	0.25	±100	-55 to 155°C	1206	Automotive AEC-Q200, High Voltage	Yes	1
RMCF1206FT3M30	Stackpole Electronics Inc	3.3 MOhm	±1%	0.25	±200	-55 to 155°C	1206	Automotive AEC-Q200	Yes	1
AC1206FR-073M3L	YAGEO	3.3 MOhm	±1%	0.25	±100	-55 to 155°C	1206	Automotive AEC-Q200, Moisture Resistant	Yes	1
CHV1206-FX-3304ELF	Bourns Inc.	3.3 MOhm	±1%	0.25	±100	-55 to 155°C	1206	High Voltage	Yes	1
CRCW12063M30FKEA	Vishay Dale	3.3 MOhm	±1%	0.25	±100	-55 to 155°C	1206	Automotive AEC-Q200	Yes	1
RCV12063M30FKEA	Vishay Dale	3.3 MOhm	±1%	0.25	±100	-55 to 155°C	1206	High Voltage	Yes	1

Engineering Selection Recommendations

Direct Substitution (Equivalent Functionality):

RC1206FR-073M3L (YAGEO) serves as the primary direct substitute. This part maintains identical electrical specifications, temperature coefficient, and moisture-resistant features. Both parts share equivalent thermal and environmental performance characteristics with Active product status.

Upgraded Substitutes (Enhanced Specifications):

KTR18EZPF3304 (Rohm Semiconductor), RMCF1206FT3M30 (Stackpole Electronics Inc), AC1206FR-073M3L (YAGEO), CRCW12063M30FKEA (Vishay Dale), and RCV12063M30FKEA (Vishay Dale) incorporate Automotive AEC-Q200 certification or High Voltage features. These parts maintain full electrical compatibility while providing additional qualification for automotive applications or high-voltage circuit environments. RMCF1206FT3M30 exhibits ±200ppm/°C temperature coefficient, which remains within acceptable tolerance for most applications but should be verified for precision-critical circuits.

Application-Specific Selection:

For automotive applications requiring AEC-Q200 qualification, select from KTR18EZPF3304, RMCF1206FT3M30, AC1206FR-073M3L, or CRCW12063M30FKEA.

For high-voltage circuit applications, select KTR18EZPF3304, CHV1206-FX-3304ELF, or RCV12063M30FKEA.

For moisture-sensitive environments, prioritize RC1206FR-073M3L or AC1206FR-073M3L.

All listed parts maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range, ensuring compatibility with standard PCB assembly and reflow processes.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-073M3L replace RC3216F335CS in all applications?

A: Yes. RC1206FR-073M3L maintains identical resistance (3.3 MOhm), tolerance (±1%), power rating (0.25W), package (1206), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Both parts are ROHS3 compliant with MSL 1 rating. Physical dimensions are within 1206 package tolerance (3.10mm vs 3.20mm length). No design modifications are required.

Q: What is the difference between standard and AEC-Q200 qualified parts?

A: AEC-Q200 certification indicates the part has undergone automotive-grade qualification testing including thermal cycling, humidity bias, and mechanical stress evaluation. Parts such as KTR18EZPF3304, RMCF1206FT3M30, AC1206FR-073M3L, and CRCW12063M30FKEA carry this certification. For non-automotive applications, standard parts (RC1206FR-073M3L) provide equivalent electrical performance. For automotive designs, AEC-Q200 qualified parts are required.

Q: Does temperature coefficient variation affect substitution compatibility?

A: RMCF1206FT3M30 specifies ±200ppm/°C versus ±100ppm/°C for other parts. This represents a 2x increase in resistance drift per degree Celsius. For applications with tight tolerance requirements across temperature extremes, verify that ±200ppm/°C remains acceptable. For general-purpose circuits, this variation is typically negligible. All parts maintain the same -55°C to 155°C operating range.

Q: Are physical dimension differences significant?

A: Length variations (3.10mm vs 3.20mm) and height differences (0.024" to 0.028") fall within standard 1206 package tolerance. These variations do not affect PCB footprint compatibility or reflow soldering processes. All parts are mechanically interchangeable on standard 1206 pads.

Q: What packaging formats are available?

A: RC3216F335CS is supplied in Cut Tape (CT) & Digi-Reel format. Substitute parts are available in Tape & Reel (TR) format. Both formats are compatible with automated pick-and-place assembly equipment. Verify packaging availability with your supplier based on production volume requirements.

Q: Which substitute offers the best inventory availability?

A: RC1206FR-073M3L (YAGEO) maintains 111,322 pieces in stock, providing the highest availability among direct substitutes. CHV1206-FX-3304ELF (Bourns) offers 101,784 pieces. For immediate procurement, these parts represent optimal choices.

Q: Can High Voltage rated parts be used in standard applications?

A: Yes. CHV1206-FX-3304ELF and RCV12063M30FKEA are rated for high-voltage environments but maintain identical electrical specifications for standard applications. Using high-voltage rated parts in standard circuits introduces no compatibility issues and provides additional design margin for future application modifications.

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