RCS3216F303CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F303CS is a 30 kOhms ±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 anti-sulfur and moisture-resistant construction. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value
Resistance	30 kOhms
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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F303CS is determined by strict alignment of the following parameters:

Primary Electrical Criteria:

Resistance value: 30 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature Range: -55°C ~ 155°C (exact match required)

Mechanical Criteria:

Package / Case: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Number of Terminations: 2 (exact match required)

Compliance Criteria:

RoHS Status: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Power Rating Consideration: Parts with 0.25W (1/4W) rating are direct substitutes. Parts with higher power ratings (0.75W) are functionally compatible but represent design upgrades and are listed separately.

All identified substitute parts meet these criteria. Variations in physical dimensions (length, width, height) within the 1206 package specification, packaging format (Cut Tape vs. Tape & Reel), and optional automotive certifications (AEC-Q200) do not disqualify substitution eligibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temp Coeff	Operating Temp	Package	Composition	RoHS Status	MSL	Product Status
RCS3216F303CS	Samsung Electro-Mechanics	30 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	Thick Film	ROHS3	1	Active
AC1206FR-0730KL	YAGEO	30 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	Thick Film	ROHS3	1	Active
CR1206-FX-3002ELF	Bourns Inc.	30 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	Thick Film	ROHS3	1	Active
CRCW120630K0FKEA	Vishay Dale	30 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	Thick Film	ROHS3	1	Active
CRCW120630K0FKEAHP	Vishay Dale	30 kOhms	±1%	0.75W	±100ppm/°C	-55°C ~ 155°C	1206	Thick Film	ROHS3	1	Active
ERJ-8ENF3002V	Panasonic Electronic Components	30 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	Thick Film	ROHS3	1	Not For New Designs
RC1206FR-0730KL	YAGEO	30 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	Thick Film	ROHS3	1	Active

Engineering Selection Recommendations

Preferred Substitutes (Active Product Status):

AC1206FR-0730KL (YAGEO), CR1206-FX-3002ELF (Bourns Inc.), CRCW120630K0FKEA (Vishay Dale), and RC1206FR-0730KL (YAGEO) are all classified as Active products and are suitable for new designs and production applications. These parts maintain identical electrical specifications and RoHS3 compliance with the original RCS3216F303CS.

Automotive-Qualified Alternatives:

AC1206FR-0730KL, CRCW120630K0FKEA, and ERJ-8ENF3002V carry AEC-Q200 automotive qualification. These parts are appropriate for applications requiring automotive-grade component certification.

Higher Power Rating Option:

CRCW120630K0FKEAHP provides 0.75W (3/4W) power rating with pulse-withstanding capability in the same 1206 package. This part is functionally compatible and suitable for applications requiring enhanced power dissipation capacity.

Obsolescence Consideration:

ERJ-8ENF3002V (Panasonic Electronic Components) is classified as "Not For New Designs." While electrically and mechanically equivalent, this part should not be selected for new product development. Existing inventory may be used for legacy system maintenance only.

Frequently Asked Questions (FAQ)

Q: Can AC1206FR-0730KL directly replace RCS3216F303CS in existing designs?

A: Yes. AC1206FR-0730KL meets all electrical specifications (30 kOhms ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C), mechanical requirements (1206 package, thick film composition), and compliance standards (ROHS3, MSL 1). Physical dimensions vary slightly within 1206 package tolerance, but this does not affect circuit functionality.

Q: What is the difference between CRCW120630K0FKEA and CRCW120630K0FKEAHP?

A: Both parts are manufactured by Vishay Dale with identical resistance, tolerance, temperature coefficient, and operating range. The primary difference is power rating: CRCW120630K0FKEA is rated 0.25W (1/4W), while CRCW120630K0FKEAHP is rated 0.75W (3/4W) with pulse-withstanding capability. CRCW120630K0FKEAHP is a functional upgrade suitable for higher power dissipation applications.

Q: Are there packaging format differences between substitute parts?

A: Yes. RC1206FR-0730KL and ERJ-8ENF3002V are supplied in Tape & Reel (TR) format. AC1206FR-0730KL and CRCW120630K0FKEA are available in Cut Tape (CT) & Digi-Reel® format. CR1206-FX-3002ELF is supplied in Tape & Reel (TR). Packaging format does not affect electrical or mechanical compatibility; selection depends on procurement and assembly requirements.

Q: Why is ERJ-8ENF3002V marked "Not For New Designs"?

A: ERJ-8ENF3002V is classified as "Not For New Designs" by Panasonic Electronic Components, indicating the product line is in end-of-life status. While electrically and mechanically equivalent to RCS3216F303CS, this part should not be specified for new product development. Use only for legacy system support or maintenance applications.

Q: Do all substitute parts have AEC-Q200 automotive certification?

A: No. AC1206FR-0730KL, CRCW120630K0FKEA, CRCW120630K0FKEAHP, and ERJ-8ENF3002V carry AEC-Q200 certification. CR1206-FX-3002ELF and RC1206FR-0730KL do not list AEC-Q200 qualification. Selection of automotive-qualified parts is required only for applications subject to automotive industry standards.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts (AC1206FR-0730KL, CR1206-FX-3002ELF, CRCW120630K0FKEA, CRCW120630K0FKEAHP, ERJ-8ENF3002V, RC1206FR-0730KL) are ROHS3 compliant and have Moisture Sensitivity Level 1 (Unlimited), matching the original RCS3216F303CS specifications.

Q: Can physical dimension variations between substitute parts affect PCB layout?

A: Physical dimensions within the 1206 package specification are controlled by industry standards. Variations in length (0.122" to 0.126"), width (0.063"), and height (0.024" to 0.030") are within acceptable tolerance and do not require PCB layout modification. All parts are mechanically interchangeable in standard 1206 footprints.

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