RCS3216F6040CS Equivalent & Substitute Parts

Part Overview

The RCS3216F6040CS is a 604 Ohms ±1% 0.25W (1/4W) chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This thick film resistor features anti-sulfur and moisture-resistant properties, with an operating temperature range of -55°C to 155°C. The part maintains Active product status with 719 pieces currently in stock.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the main part, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value
Resistance	604 Ohms
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 (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

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

Primary Substitution Criteria:

Resistance value: 604 Ohms
Tolerance: ±1%
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)

Secondary Consideration:

Power Rating: 0.25W (1/4W) for direct equivalents; 0.75W (3/4W) for higher-rated alternatives

All identified substitute parts meet the primary criteria. The CRCW1206604RFKEAHP variant operates at 0.75W, providing enhanced power handling capability while maintaining all other electrical and mechanical specifications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	RoHS	MSL	Product Status
RCS3216F6040CS	Samsung Electro-Mechanics	604 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CR1206-FX-6040ELF	Bourns Inc.	604 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CRCW1206604RFKEA	Vishay Dale	604 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CRCW1206604RFKEAHP	Vishay Dale	604 Ω	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
ERJ-8ENF6040V	Panasonic Electronic Components	604 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Not For New Designs
RC1206FR-07604RL	YAGEO	604 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active

Engineering Selection Recommendations

Preferred Substitutes (Active Product Status):

CR1206-FX-6040ELF (Bourns Inc.) and RC1206FR-07604RL (YAGEO) are direct electrical and mechanical equivalents with Active product status. Both maintain identical electrical specifications and package dimensions, ensuring seamless integration into existing designs.

CRCW1206604RFKEA (Vishay Dale) provides an Active alternative with automotive AEC-Q200 qualification, suitable for applications requiring enhanced reliability standards.

CRCW1206604RFKEAHP (Vishay Dale) offers increased power handling at 0.75W while maintaining all other specifications. This variant is appropriate for designs requiring higher power dissipation margins within the 1206 package footprint.

Legacy Consideration:

ERJ-8ENF6040V (Panasonic Electronic Components) carries "Not For New Designs" status. While electrically and mechanically equivalent, this part should not be selected for new circuit development. Existing designs utilizing this part may continue operation, but migration to Active alternatives is recommended for long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-6040ELF replace RCS3216F6040CS in existing designs?

A: Yes. CR1206-FX-6040ELF meets all primary substitution criteria: 604 Ohms ±1%, 0.25W power rating, 1206 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1 rating. Direct replacement is electrically and mechanically compatible.

Q: What is the difference between CRCW1206604RFKEA and CRCW1206604RFKEAHP?

A: Both parts share identical resistance, tolerance, package, and temperature specifications. The primary difference is power rating: CRCW1206604RFKEA is rated at 0.25W, while CRCW1206604RFKEAHP is rated at 0.75W. The higher-rated variant includes pulse withstanding capability and automotive AEC-Q200 qualification. Selection depends on circuit power dissipation requirements.

Q: Why is ERJ-8ENF6040V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and promotion of this part number. While the part remains electrically and mechanically equivalent, new circuit designs should utilize Active alternatives to ensure long-term availability and supply chain continuity.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts carry ROHS3 compliance certification, matching the main part RCS3216F6040CS. All parts are also REACH Unaffected and classified as EAR99 for export purposes.

Q: Can I use a 0.75W resistor (CRCW1206604RFKEAHP) in place of a 0.25W resistor (RCS3216F6040CS)?

A: Yes. The 0.75W variant is mechanically compatible within the 1206 package and electrically equivalent in resistance and tolerance. The higher power rating provides additional thermal margin and does not degrade circuit performance. Physical dimensions remain within specification for PCB layout compatibility.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All identified parts carry this rating, eliminating moisture sensitivity concerns during storage and handling. No special storage conditions are required prior to assembly.

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