RCS3216F1540CS Equivalent & Substitute Parts

Part Overview

The RCS3216F1540CS is a 154 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active product status and features anti-sulfur and moisture-resistant construction. The part is ROHS3 compliant with MSL 1 rating, suitable for general industrial and commercial applications requiring stable resistive elements across extended temperature ranges.

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	154 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
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F1540CS is determined by strict alignment of the following parameters:

Critical Electrical Parameters:

Resistance value: 154 Ohms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Critical Mechanical Parameters:

Package type: 1206 (3216 Metric)
Number of terminations: 2
Composition: Thick Film

Compliance Requirements:

RoHS3 compliance
MSL 1 rating
REACH unaffected status

All identified substitute parts meet these criteria across electrical, mechanical, and regulatory dimensions. Variations in physical dimensions (length, width, height) within standard tolerances do not affect substitution validity, as they remain within the 1206 package specification envelope.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Product Status	RoHS	MSL
RCS3216F1540CS	Samsung Electro-Mechanics	154 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1
AC1206FR-07154RL	YAGEO	154 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1
CR1206-FX-1540ELF	Bourns Inc.	154 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1
CRCW1206154RFKEA	Vishay Dale	154 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1
ERJ-8ENF1540V	Panasonic Electronic Components	154 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Not For New Designs	ROHS3	1
RC1206FR-07154RL	YAGEO	154 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Active	ROHS3	1

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

AC1206FR-07154RL, CR1206-FX-1540ELF, CRCW1206154RFKEA, and RC1206FR-07154RL are all classified as Active products and are suitable for new designs and ongoing production applications. These parts maintain full electrical and mechanical equivalence to the RCS3216F1540CS.

Secondary Substitute (Legacy Status):

ERJ-8ENF1540V is classified as "Not For New Designs" and should be used only in applications requiring replacement of existing components in fielded systems. This part meets all electrical and compliance specifications but is not recommended for new circuit development.

Compliance Alignment:

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, ensuring regulatory compatibility across industrial, commercial, and automotive applications where applicable.

Frequently Asked Questions (FAQ)

Q: Can AC1206FR-07154RL replace RCS3216F1540CS in production?

A: Yes. AC1206FR-07154RL meets all critical electrical parameters (154 Ω ±1%, 0.25W), operates across the identical temperature range (-55°C ~ 155°C), and shares the 1206 package specification. Both parts are Active status and ROHS3 compliant.

Q: What is the difference between YAGEO AC1206FR-07154RL and RC1206FR-07154RL?

A: Both are YAGEO 154 Ohm ±1% 1206 resistors with identical electrical specifications. AC1206FR-07154RL includes Automotive AEC-Q200 qualification; RC1206FR-07154RL does not. Selection depends on application requirements for automotive certification.

Q: Why is ERJ-8ENF1540V marked "Not For New Designs"?

A: ERJ-8ENF1540V is a legacy product from Panasonic. While it meets all electrical and compliance specifications for the 154 Ohm ±1% 1206 resistor, the manufacturer has discontinued active development. It remains available for field replacement and legacy system support only.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within the 1206 package specification. Length ranges from 3.10mm to 3.20mm, width is 1.60mm, and height ranges from 0.60mm to 0.75mm. These variations remain within standard 1206 package tolerances and do not affect PCB layout or circuit performance.

Q: Do all substitutes support the same temperature coefficient?

A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and operate across -55°C ~ 155°C, matching the RCS3216F1540CS specification.

Q: Which substitute offers the highest inventory availability?

A: ERJ-8ENF1540V has the highest reported inventory at 87,891 pieces. CR1206-FX-1540ELF follows with 25,121 pieces. For Active status parts, CRCW1206154RFKEA offers 10,907 pieces and AC1206FR-07154RL offers 10,725 pieces.

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