RCS3216F1400CS Equivalent & Substitute Parts

Part Overview

The RCS3216F1400CS is a 140 Ohm ±1% 0.25W (1/4W) chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant properties, with an operating temperature range of -55°C to 155°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and environmental ratings to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	140 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 to 155°C
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F1400CS are qualified based on the following critical parameters that determine functional equivalence:

Electrical Parameters:

Resistance value: 140 Ohms
Tolerance: ±1%
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Parameters:

Package type: 1206 (3216 Metric)
Number of terminations: 2
Physical dimensions compatible with 1206 footprint

Environmental & Compliance Parameters:

RoHS3 compliance
Moisture sensitivity level: 1 (Unlimited)
Thick film composition

Substitute parts are grouped into two categories based on power rating:

Category 1: 0.25W (1/4W) Direct Equivalents Parts with identical 0.25W power rating and all matching electrical/mechanical specifications.

Category 2: Higher Power Rating (0.667W / 2/3W) Parts with elevated power rating but identical electrical specifications and package, suitable for applications requiring additional power dissipation margin.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Package	Temp Coeff	Operating Temp	Features	Product Status	RoHS
RCS3216F1400CS	Samsung Electro-Mechanics	140 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Anti-Sulfur, Moisture Resistant	Active	ROHS3
AC1206FR-07140RL	YAGEO	140 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Active	ROHS3
CRCW1206140RFKEA	Vishay Dale	140 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	ROHS3
ERJ-8ENF1400V	Panasonic Electronic Components	140 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Not For New Designs	ROHS3
ERJ-P08F1400V	Panasonic Electronic Components	140 Ω	±1%	0.667W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Pulse Withstanding	Active	ROHS3
RC1206FR-07140RL	YAGEO	140 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	ROHS3

Engineering Selection Recommendations

Primary Substitutes (Direct Equivalents - 0.25W):

AC1206FR-07140RL (YAGEO) and CRCW1206140RFKEA (Vishay Dale) are the preferred direct substitutes. Both parts maintain identical electrical specifications, package dimensions, and power rating. AC1206FR-07140RL includes automotive AEC-Q200 qualification. CRCW1206140RFKEA offers the highest inventory availability (30,787 pcs) and automotive AEC-Q200 certification. RC1206FR-07140RL (YAGEO) provides an alternative with moisture-resistant properties and the largest available inventory (99,261 pcs).

Secondary Substitute (Higher Power Rating):

ERJ-P08F1400V (Panasonic Electronic Components) is a 0.667W (2/3W) variant suitable for applications requiring additional power dissipation capability. This part maintains all electrical specifications and package compatibility while offering pulse withstanding capability and automotive AEC-Q200 qualification. Use this substitute only when circuit design permits the higher power rating.

Obsolescence Consideration:

ERJ-8ENF1400V (Panasonic Electronic Components) is marked "Not For New Designs" and should be avoided for new circuit development, though it remains functionally equivalent for legacy system maintenance.

Compliance Status:

All substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity level (MSL 1), and the required operating temperature range of -55°C to 155°C, ensuring regulatory and environmental compatibility with the original RCS3216F1400CS specification.

Frequently Asked Questions (FAQ)

Q: Can AC1206FR-07140RL directly replace RCS3216F1400CS in all applications?

A: Yes. AC1206FR-07140RL matches all critical electrical parameters (140 Ω, ±1%, 0.25W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and package specification (1206). Both parts are ROHS3 compliant with MSL 1 rating. The primary difference is AC1206FR-07140RL includes automotive AEC-Q200 qualification, which provides additional environmental stress screening.

Q: What is the difference between the 0.25W and 0.667W versions?

A: Power rating indicates maximum continuous power dissipation capability. The 0.25W RCS3216F1400CS and its direct equivalents dissipate up to 0.25W continuously. The ERJ-P08F1400V 0.667W variant can dissipate up to 0.667W. Both maintain identical resistance, tolerance, and temperature characteristics. Use the 0.667W version only if circuit analysis confirms higher power dissipation requirements; oversizing power rating unnecessarily increases component cost and board space.

Q: Are there package dimension differences between substitutes?

A: All substitutes use the 1206 (3216 Metric) package. Minor dimensional variations exist within tolerance: length ranges from 3.10mm to 3.20mm, width is 1.60mm for all parts, and height ranges from 0.60mm to 0.70mm. These variations are within standard 1206 footprint tolerances and do not affect PCB layout compatibility.

Q: Why should ERJ-8ENF1400V be avoided?

A: ERJ-8ENF1400V is marked "Not For New Designs" by Panasonic Electronic Components, indicating the manufacturer is transitioning this part to obsolescence. While functionally equivalent, it should be used only for legacy system repairs or maintenance. New circuit designs should specify AC1206FR-07140RL, CRCW1206140RFKEA, or RC1206FR-07140RL.

Q: Do all substitutes meet automotive qualification requirements?

A: AC1206FR-07140RL, CRCW1206140RFKEA, ERJ-8ENF1400V, and ERJ-P08F1400V all carry automotive AEC-Q200 certification. RCS3216F1400CS and RC1206FR-07140RL do not list AEC-Q200 qualification. If automotive AEC-Q200 compliance is required, select from the AEC-Q200 qualified substitutes.

Q: What is the significance of "Anti-Sulfur" and "Pulse Withstanding" features?

A: Anti-sulfur protection (RCS3216F1400CS) prevents corrosion from sulfur-containing environmental contaminants. Pulse withstanding (ERJ-P08F1400V) indicates the resistor can tolerate transient overvoltage pulses beyond steady-state ratings. These are application-specific features; select based on circuit environment and transient protection requirements.

Q: Can I use RC1206FR-07140RL as a general-purpose substitute?

A: Yes. RC1206FR-07140RL provides full electrical and mechanical compatibility with RCS3216F1400CS. It offers the largest inventory availability (99,261 pcs) and moisture-resistant properties. It does not include automotive AEC-Q200 certification, so it is suitable for general industrial and consumer applications but not automotive designs requiring AEC-Q200 compliance.

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