RCS3216F1403CS Equivalent & Substitute Parts

Part Overview

The RCS3216F1403CS is a 140 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant properties, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part is currently Active in product status with 742 pieces in stock inventory. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability in circuit applications.

Key Parameters

Parameter	Value
Resistance	140 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
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F1403CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value of 140 kOhms, tolerance of ±1%, and power rating of 0.25W (1/4W) must match exactly.

Package Compatibility: All substitute parts must use the 1206 (3216 Metric) surface-mount package with 2 terminations to ensure mechanical fit and soldering compatibility.

Environmental Performance: Temperature coefficient of ±100ppm/°C and operating temperature range of -55°C to 155°C must be maintained.

Regulatory Compliance: All substitute parts must be ROHS3 Compliant and REACH Unaffected with Moisture Sensitivity Level 1 (Unlimited).

Composition: Thick film construction is required for all substitutes.

Four substitute parts meet these criteria: CR1206-FX-1403ELF (Bourns Inc.), CRCW1206140KFKEA (Vishay Dale), ERJ-8ENF1403V (Panasonic Electronic Components), and RC1206FR-07140KL (YAGEO).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Composition	Temp Coeff	Operating Temp	Product Status	RoHS Status	MSL	Inventory (Pcs)
RCS3216F1403CS	Samsung Electro-Mechanics	140 kOhms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1	742
CR1206-FX-1403ELF	Bourns Inc.	140 kOhms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1	37715
CRCW1206140KFKEA	Vishay Dale	140 kOhms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1	20827
ERJ-8ENF1403V	Panasonic Electronic Components	140 kOhms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	ROHS3	1	36693
RC1206FR-07140KL	YAGEO	140 kOhms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1	23468

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

CR1206-FX-1403ELF (Bourns Inc.), CRCW1206140KFKEA (Vishay Dale), and RC1206FR-07140KL (YAGEO) are all Active products with full compliance to ROHS3 and REACH requirements. These three parts are suitable for new designs and ongoing production applications.

Secondary Substitute (Legacy Status):

ERJ-8ENF1403V (Panasonic Electronic Components) is marked as "Not For New Designs" and should be used only for replacement or maintenance of existing assemblies where continuity with legacy components is required.

Compliance Considerations:

All four substitute parts maintain ROHS3 Compliant status and REACH Unaffected designation, matching the regulatory profile of the primary RCS3216F1403CS part. Moisture Sensitivity Level 1 (Unlimited) is consistent across all options, indicating no special moisture handling requirements during storage or assembly.

Mechanical Fit:

Physical dimensions vary slightly between manufacturers. The RCS3216F1403CS has a maximum seated height of 0.026" (0.66mm), while substitutes range from 0.024" to 0.030" (0.60mm to 0.75mm). These variations remain within typical PCB assembly tolerances and do not affect interchangeability.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-1403ELF replace RCS3216F1403CS directly?

A: Yes. CR1206-FX-1403ELF meets all electrical and mechanical specifications: 140 kOhms ±1%, 0.25W power rating, 1206 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1. The part is Active in product status.

Q: What is the difference between CRCW1206140KFKEA and other substitutes?

A: CRCW1206140KFKEA includes Automotive AEC-Q200 qualification, making it suitable for automotive applications. Other substitutes (CR1206-FX-1403ELF and RC1206FR-07140KL) are general-purpose industrial grade. All meet the same core electrical and compliance requirements.

Q: Why is ERJ-8ENF1403V marked "Not For New Designs"?

A: ERJ-8ENF1403V is a legacy product from Panasonic. While it meets all electrical and compliance specifications, the manufacturer has discontinued active development. It should be used only for replacement in existing assemblies or maintenance applications.

Q: Are there physical dimension differences between substitutes?

A: Yes. Seated height varies: RCS3216F1403CS (0.66mm), CRCW1206140KFKEA (0.60mm), CR1206-FX-1403ELF (0.75mm), ERJ-8ENF1403V (0.70mm), and RC1206FR-07140KL (0.65mm). Length and width dimensions are equivalent (3.20mm x 1.60mm or 3.10mm x 1.60mm). These variations are within standard PCB assembly tolerances.

Q: Do all substitutes have the same moisture sensitivity?

A: Yes. All parts, including the primary RCS3216F1403CS, have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling or baking requirements during assembly.

Q: Which substitute has the highest inventory availability?

A: CR1206-FX-1403ELF (Bourns Inc.) has 37,715 pieces in stock, followed by ERJ-8ENF1403V (36,693 pieces) and RC1206FR-07140KL (23,468 pieces).

Q: Are all substitutes ROHS3 compliant?

A: Yes. All four substitute parts are ROHS3 Compliant and REACH Unaffected, matching the regulatory status of RCS3216F1403CS.

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