RCS3216J303CS Equivalent & Substitute Parts

Part Overview

The RCS3216J303CS is a 30 kOhm ±5% 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 anti-sulfur and moisture-resistant characteristics. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package type, dimensions, termination count) to ensure direct interchangeability in circuit applications.

Key Parameters

Parameter	Value
Resistance	30 kOhms
Tolerance	±5%
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 is determined by the following critical parameters:

Primary Matching Criteria:

Resistance value: 30 kOhms (exact match required)
Package type: 1206 (3216 Metric) (exact match required)
Power rating: 0.25W minimum (equal or higher acceptable)
Operating temperature range: -55°C ~ 155°C minimum (equal or wider acceptable)
Termination count: 2 (exact match required)

Secondary Compatibility Factors:

Tolerance: ±5% or tighter (tighter tolerance acceptable for direct substitution)
Composition: Thick Film (consistent with original)
Temperature coefficient: ±100ppm/°C (consistent specification)
RoHS compliance: ROHS3 Compliant (regulatory requirement)
Moisture sensitivity: MSL 1 (Unlimited) (consistent handling requirements)

Substitute parts are grouped into two categories: direct equivalents matching ±5% tolerance, and higher-precision alternatives with ±1% tolerance that provide improved accuracy while maintaining full mechanical and electrical compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Product Status	RoHS
RCS3216J303CS	Samsung Electro-Mechanics	30 kOhms	±5%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
RC1206JR-0730KL	YAGEO	30 kOhms	±5%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
RC1206FR-0730KL	YAGEO	30 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
AC1206FR-0730KL	YAGEO	30 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
CR1206-FX-3002ELF	Bourns Inc.	30 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
CRCW120630K0FKEA	Vishay Dale	30 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
CRCW120630K0FKEAHP	Vishay Dale	30 kOhms	±1%	0.75	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
ERJ-8ENF3002V	Panasonic Electronic Components	30 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	ROHS3

Engineering Selection Recommendations

Direct Equivalents (±5% Tolerance): RC1206JR-0730KL from YAGEO is a direct functional equivalent with identical electrical and mechanical specifications. Both the main part and this substitute maintain Active product status, ensuring long-term availability and supply chain stability.

Higher-Precision Alternatives (±1% Tolerance): RC1206FR-0730KL, AC1206FR-0730KL, CR1206-FX-3002ELF, and CRCW120630K0FKEA provide improved tolerance performance while maintaining full mechanical compatibility. These parts are suitable for applications requiring tighter resistance accuracy. All maintain Active product status.

Enhanced Power Rating Option: CRCW120630K0FKEAHP offers 0.75W power rating in the same 1206 package, providing thermal margin for high-dissipation applications while maintaining all other electrical specifications.

Legacy Component: ERJ-8ENF3002V from Panasonic meets all electrical and mechanical requirements but carries "Not For New Designs" status. This part is suitable only for replacement or maintenance of existing assemblies.

Automotive-Qualified Options: AC1206FR-0730KL, CRCW120630K0FKEA, CRCW120630K0FKEAHP, and ERJ-8ENF3002V carry AEC-Q200 automotive qualification, appropriate for automotive and high-reliability applications.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-0730KL replace RCS3216J303CS directly? A: Yes. Both parts share identical resistance (30 kOhms), power rating (0.25W), package (1206), and operating temperature range (-55°C ~ 155°C). The RC1206FR-0730KL provides tighter tolerance (±1% vs ±5%), which is compatible with the original specification.

Q: What is the difference between RC1206JR-0730KL and RC1206FR-0730KL? A: Both are YAGEO 1206 package 30 kOhm resistors. RC1206JR-0730KL matches the original ±5% tolerance, while RC1206FR-0730KL offers ±1% tolerance. Mechanical dimensions and electrical performance are otherwise equivalent.

Q: Is CRCW120630K0FKEAHP compatible with the original part? A: Yes, mechanically and electrically compatible. The key difference is higher power rating (0.75W vs 0.25W), which provides additional thermal capability without affecting circuit function. The 1206 package dimensions remain identical.

Q: Why is ERJ-8ENF3002V marked "Not For New Designs"? A: This designation indicates the manufacturer has discontinued active development for this part. While it meets all electrical and mechanical specifications, it is recommended only for replacement applications in existing designs, not for new product development.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the regulatory requirement of the original RCS3216J303CS.

Q: Can I use an automotive-qualified part (AEC-Q200) in a non-automotive application? A: Yes. Automotive-qualified parts exceed standard reliability requirements and are fully compatible with general-purpose applications. AC1206FR-0730KL, CRCW120630K0FKEA, CRCW120630K0FKEAHP, and ERJ-8ENF3002V are suitable for any application requiring 30 kOhm 1206 resistors.

Q: What packaging formats are available? A: Substitute parts are available in Cut Tape (CT) & Digi-Reel® or Tape & Reel (TR) formats. Verify packaging availability with your supplier based on production volume requirements.

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