RCS3216F1543CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F1543CS is a 154 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component features anti-sulfur and moisture-resistant properties, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part maintains Active product status with 1112 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance ratings to ensure direct functional interchangeability in circuit applications.

Key Parameters

Parameter	Value
Resistance	154 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 RCS3216F1543CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (154 kOhms), tolerance (±1%), and power rating (0.25W) must match exactly. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package designation (1206 / 3216 Metric) and number of terminations (2) ensure physical and electrical interface compatibility. Dimensional variations within supplier device package specifications are acceptable provided the 1206 footprint is maintained.

Environmental & Compliance Standards: All substitute parts must maintain ROHS3 compliance, MSL Level 1 rating, and REACH unaffected status to ensure regulatory equivalence and long-term reliability in equivalent operating environments.

Composition & Construction: Thick film construction is required for all substitutes to maintain electrical performance characteristics and environmental resistance properties.

The following parts meet these substitution criteria and are listed as direct equivalents to RCS3216F1543CS.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp (°C)	Features	Product Status	RoHS	MSL
RCS3216F1543CS	Samsung Electro-Mechanics	154 kOhms	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Anti-Sulfur, Moisture Resistant	Active	ROHS3	1
CRCW1206154KFKEA	Vishay Dale	154 kOhms	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Automotive AEC-Q200	Active	ROHS3	1
ERJ-8ENF1543V	Panasonic Electronic Components	154 kOhms	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Automotive AEC-Q200	Not For New Designs	ROHS3	1
RC1206FR-07154KL	YAGEO	154 kOhms	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Moisture Resistant	Active	ROHS3	1
RMCS1206FT154K	Stackpole Electronics Inc	154 kOhms	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Anti-Sulfur	Active	ROHS3	1

Engineering Selection Recommendations

Primary Selection (Active Status): CRCW1206154KFKEA (Vishay Dale), RC1206FR-07154KL (YAGEO), and RMCS1206FT154K (Stackpole Electronics Inc) are recommended as primary substitutes. All three maintain Active product status, ensuring continued availability and manufacturer support. CRCW1206154KFKEA and ERJ-8ENF1543V carry Automotive AEC-Q200 certification, suitable for applications requiring automotive-grade reliability.

Secondary Selection (Legacy Status): ERJ-8ENF1543V (Panasonic Electronic Components) is classified as "Not For New Designs" and should be used only in legacy system maintenance or repair applications where original component sourcing is unavailable. This part maintains full electrical and environmental compliance but is subject to potential discontinuation.

Compliance Equivalence: All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and REACH unaffected status, ensuring regulatory equivalence to the primary RCS3216F1543CS component across all specified operating conditions.

Feature Differentiation: Selection between substitutes may be influenced by specific environmental requirements. CRCW1206154KFKEA and ERJ-8ENF1543V provide automotive-grade qualification. RC1206FR-07154KL and RCS3216F1543CS emphasize moisture resistance. RMCS1206FT154K and RCS3216F1543CS feature anti-sulfur protection. These distinctions do not affect electrical interchangeability but may influence long-term reliability in corrosive or high-humidity environments.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206154KFKEA be used as a direct replacement for RCS3216F1543CS?

A: Yes. Both components share identical electrical specifications (154 kOhms ±1%, 0.25W), operate across -55°C to 155°C with ±100ppm/°C temperature coefficient, and are packaged in 1206 (3216 Metric) format. Both maintain ROHS3 compliance and MSL Level 1 rating. The primary difference is that CRCW1206154KFKEA carries Automotive AEC-Q200 certification, making it suitable for automotive applications where RCS3216F1543CS may not be specified.

Q: What is the significance of "Not For New Designs" status for ERJ-8ENF1543V?

A: This designation indicates that Panasonic has classified this part as legacy and does not recommend its use in new product designs. However, the component remains electrically and mechanically equivalent to RCS3216F1543CS and may be used for repair, maintenance, or replacement in existing systems. Availability may be limited, and long-term sourcing cannot be guaranteed.

Q: Are there dimensional differences between substitute parts that affect PCB layout?

A: All substitute parts conform to the 1206 (3216 Metric) package standard with identical footprint specifications. Minor variations exist in maximum seated height: RCS3216F1543CS (0.66mm), CRCW1206154KFKEA (0.60mm), ERJ-8ENF1543V (0.70mm), RC1206FR-07154KL (0.65mm), and RMCS1206FT154K (0.65mm). These variations fall within standard PCB assembly tolerances and do not require layout modifications.

Q: Which substitute part is recommended for high-humidity or corrosive environments?

A: RC1206FR-07154KL (YAGEO) and RCS3216F1543CS (Samsung Electro-Mechanics) both feature moisture-resistant properties. RMCS1206FT154K (Stackpole Electronics Inc) and RCS3216F1543CS include anti-sulfur protection. For applications requiring both properties, RCS3216F1543CS is the optimal choice. For automotive applications in corrosive environments, CRCW1206154KFKEA with AEC-Q200 certification is recommended.

Q: Do all substitute parts maintain the same tolerance specification?

A: Yes. All listed substitute parts maintain ±1% tolerance, ensuring equivalent precision in circuit applications. Tolerance is a critical parameter for substitution eligibility and is identical across all parts in this reference.

Q: What packaging formats are available for these substitute parts?

A: All substitute parts are supplied in Tape & Reel (TR) format, except RCS3216F1543CS which uses standard packaging designation. Tape & Reel packaging is standard for high-volume SMD assembly operations and does not affect component electrical or mechanical performance.

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