RC3216J300CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J300CS is a 30 Ohm ±5% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is specified for general-purpose applications requiring moisture-resistant thick film construction across the operating temperature range of -55°C to 155°C.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package dimensions, termination count), and environmental ratings. Direct substitutes maintain identical tolerance and power specifications, while upgrade substitutes offer improved tolerance (±1% versus ±5%) or enhanced automotive qualification (AEC-Q200).

Key Parameters

Parameter	Value	Substitution Relevance
Resistance	30 Ohms	Critical - must match exactly
Tolerance	±5%	Critical - defines accuracy class
Power Rating	0.25W (1/4W)	Critical - thermal performance requirement
Package / Case	1206 (3216 Metric)	Critical - PCB footprint compatibility
Composition	Thick Film	Critical - manufacturing technology
Temperature Coefficient	±100ppm/°C	Important - temperature stability
Operating Temperature Range	-55°C to 155°C	Important - environmental limits
RoHS Status	ROHS3 Compliant	Important - regulatory compliance
Moisture Sensitivity Level	MSL 1 (Unlimited)	Important - handling requirements

Substitute Part Grouping Explanation

Substitute parts are categorized into three groups based on electrical and mechanical compatibility with the RC3216J300CS:

Direct Substitutes (Equivalent Tolerance ±5%) Direct substitutes maintain the original ±5% tolerance specification and 0.25W power rating. These parts are electrically and mechanically interchangeable with the main part. Substitution is based on matching resistance value (30 Ohms), tolerance class (±5%), power rating (0.25W), package format (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1).

Upgrade Substitutes (Improved Tolerance ±1%) Upgrade substitutes provide tighter tolerance (±1%) while maintaining the same 30 Ohm resistance, 0.25W power rating, 1206 package, thick film composition, temperature coefficient, and operating temperature range. These parts offer superior accuracy for applications requiring tighter component tolerances. Some upgrade substitutes include automotive AEC-Q200 qualification, providing additional reliability assurance for automotive applications.

Similar Parts (Alternative Tolerance or Power Rating) Similar parts include components with matching resistance and package but differing tolerance specifications or power ratings. AC1206JR-0730RL maintains ±5% tolerance with automotive AEC-Q200 qualification. CRCW120630R0FKEAHP provides ±1% tolerance with increased 0.75W power rating, suitable for applications requiring higher power dissipation capability.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	Product Status
RC3216J300CS	Samsung Electro-Mechanics	30 Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active
RC1206JR-0730RL	YAGEO	30 Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active
AC1206FR-0730RL	YAGEO	30 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	Active
CR1206-FX-30R0ELF	Bourns Inc.	30 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active
ERJ-8ENF30R0V	Panasonic Electronic Components	30 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	Not For New Designs
RC1206FR-0730RL	YAGEO	30 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active
RMCF1206FT30R0	Stackpole Electronics Inc	30 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	Active
AC1206JR-0730RL	YAGEO	30 Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	Active
CRCW120630R0FKEA	Vishay Dale	30 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	Active
CRCW120630R0FKEAHP	Vishay Dale	30 Ω	±1%	0.75	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Pulse Withstanding	Active

Engineering Selection Recommendations

For Direct Replacement (Equivalent Specifications)

RC1206JR-0730RL (YAGEO) is the primary direct substitute for RC3216J300CS. Both parts maintain ±5% tolerance, 0.25W power rating, 1206 package, and moisture-resistant thick film construction. Both are Active product status with ROHS3 compliance and MSL 1 rating. This substitution requires no circuit redesign or thermal analysis.

AC1206JR-0730RL (YAGEO) provides an alternative direct substitute with identical electrical specifications and added automotive AEC-Q200 qualification. This part is suitable for applications requiring automotive-grade reliability while maintaining the original ±5% tolerance specification.

For Improved Tolerance Applications

RC1206FR-0730RL (YAGEO) offers ±1% tolerance upgrade with Active product status, ROHS3 compliance, and moisture-resistant construction. This part is recommended for circuits requiring tighter component tolerance control without automotive qualification requirements.

AC1206FR-0730RL (YAGEO) combines ±1% tolerance with automotive AEC-Q200 qualification and Active product status. This part is suitable for automotive applications requiring improved accuracy.

CRCW120630R0FKEA (Vishay Dale) provides ±1% tolerance with automotive AEC-Q200 qualification and Active product status. This part offers an alternative supplier option for automotive-qualified applications.

RMCF1206FT30R0 (Stackpole Electronics Inc) delivers ±1% tolerance with automotive AEC-Q200 qualification and Active product status. This part represents another qualified supplier alternative.

For Enhanced Power Dissipation

CRCW120630R0FKEAHP (Vishay Dale) is specified at 0.75W power rating with ±1% tolerance, automotive AEC-Q200 qualification, and pulse withstanding capability. This part is suitable for applications requiring higher power dissipation than the standard 0.25W rating while maintaining the 1206 package footprint.

Parts to Avoid for New Designs

ERJ-8ENF30R0V (Panasonic Electronic Components) carries "Not For New Designs" product status despite offering ±1% tolerance and automotive AEC-Q200 qualification. This part should not be selected for new circuit designs.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-0730RL directly replace RC3216J300CS without circuit modification?

A: Yes. RC1206JR-0730RL is a direct substitute with identical electrical specifications (30 Ohms ±5%, 0.25W), matching package format (1206), equivalent temperature coefficient (±100ppm/°C), identical operating temperature range (-55°C to 155°C), and equivalent compliance certifications (ROHS3, MSL 1). No circuit redesign is required.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes maintain the original ±5% tolerance specification. Upgrade substitutes provide tighter ±1% tolerance while maintaining all other electrical and mechanical parameters. Upgrade substitutes are suitable for applications requiring improved accuracy but may have different pricing and lead time characteristics.

Q: Are automotive AEC-Q200 qualified parts interchangeable with non-automotive parts?

A: Automotive AEC-Q200 qualified parts (AC1206FR-0730RL, RMCF1206FT30R0, CRCW120630R0FKEA) are electrically and mechanically compatible with non-automotive equivalents. However, AEC-Q200 qualification provides additional reliability assurance through automotive-specific testing and qualification requirements. Selection should be based on application requirements rather than qualification status alone.

Q: Can CRCW120630R0FKEAHP (0.75W) replace RC3216J300CS (0.25W)?

A: CRCW120630R0FKEAHP is mechanically compatible (1206 package) and electrically equivalent (30 Ohms ±1%) but rated for higher power dissipation (0.75W versus 0.25W). This part can be used in applications where the original 0.25W rating is adequate, as the higher power rating provides additional thermal margin. However, circuit thermal analysis should confirm that the original 0.25W specification is sufficient for the application.

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

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All substitute parts listed maintain MSL 1 rating, ensuring equivalent moisture handling requirements.

Q: Why is ERJ-8ENF30R0V marked "Not For New Designs"?

A: ERJ-8ENF30R0V carries "Not For New Designs" product status, indicating the manufacturer has discontinued active development and recommends alternative parts for new circuit designs. While the part remains available in inventory, it should not be selected for new applications. Alternative ±1% tolerance parts with Active status (RC1206FR-0730RL, AC1206FR-0730RL, RMCF1206FT30R0, CRCW120630R0FKEA) are recommended instead.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance equivalent to the main part RC3216J300CS. All parts are also REACH Unaffected and classified as EAR99 for export control purposes.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in Cut Tape (CT) & Digi-Reel® packaging (RC1206JR-0730RL, RC1206FR-0730RL) or Tape & Reel (TR) packaging (AC1206FR-0730RL, CR1206-FX-30R0ELF, ERJ-8ENF30R0V, RMCF1206FT30R0, AC1206JR-0730RL, CRCW120630R0FKEA, CRCW120630R0FKEAHP). Packaging selection should be based on production volume and assembly process requirements.

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