Equivalent & Substitute Parts for RCS3216F154CS

Part Overview

The RCS3216F154CS is a 150 kOhm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant properties. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across -55°C to 155°C temperature range.

Substitute parts are identified based on matching electrical specifications (150 kOhm resistance, ±1% tolerance, 0.25W power rating) and mechanical compatibility (1206 package, 2 terminations). Alternative sources become necessary for supply chain continuity, regional availability, or specific application requirements such as automotive qualification (AEC-Q200) or enhanced pulse withstanding capabilities.

Key Parameters

Parameter	Value	Criticality for Substitution
Resistance Value	150 kOhms	Critical - Must Match Exactly
Tolerance	±1%	Critical - Must Match Exactly
Power Rating	0.25W (1/4W)	Critical - Must Match or Exceed
Package Type	1206 (3216 Metric)	Critical - Must Match Exactly
Composition	Thick Film	Critical - Defines Performance Class
Temperature Coefficient	±100ppm/°C	Critical - Must Match Exactly
Operating Temperature Range	-55°C ~ 155°C	Critical - Must Match or Exceed
Number of Terminations	2	Critical - PCB Layout Compatibility
RoHS Status	ROHS3 Compliant	Regulatory - Application Dependent
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling & Storage - Must Match or Better

Substitute Part Grouping Explanation

Substitution logic is based on strict electrical and mechanical parameter matching. All identified substitute parts share the following mandatory characteristics with the RCS3216F154CS:

Electrical Equivalence Requirements:

Resistance: 150 kOhms (exact match)
Tolerance: ±1% (exact match)
Temperature Coefficient: ±100ppm/°C (exact match)
Operating Temperature: -55°C ~ 155°C (exact match or better)

Mechanical Compatibility Requirements:

Package: 1206 (3216 Metric) form factor
Terminations: 2-terminal configuration
Composition: Thick film construction

Power Rating Grouping: Substitutes are divided into two categories based on power dissipation capability:

0.25W (1/4W) Equivalents: Direct replacements with identical power rating
0.5W (1/2W) and 0.75W (3/4W) Equivalents: Higher power rating variants suitable for applications requiring enhanced thermal performance

Compliance and Certification Grouping:

Standard industrial-grade parts (moisture resistant)
Automotive AEC-Q200 qualified parts (enhanced reliability for automotive applications)
High-voltage variants (additional voltage withstanding capability)

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory and handling compatibility with the original specification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	RoHS Status	Product Status
RCS3216F154CS	Samsung Electro-Mechanics	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Anti-Sulfur, Moisture Resistant	ROHS3	Active
AC1206FR-07150KL	YAGEO	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	Active
CR1206-FX-1503ELF	Bourns Inc.	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Moisture Resistant	ROHS3	Active
CRCW1206150KFKEA	Vishay Dale	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Automotive AEC-Q200	ROHS3	Active
CRCW1206150KFKEAHP	Vishay Dale	150 kΩ	±1%	0.75	1206	±100ppm/°C	-55 ~ 155°C	Automotive AEC-Q200, Pulse Withstanding	ROHS3	Active
CRCW1206150KFKTA	Vishay Dale	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Automotive AEC-Q200	RoHS Non-compliant	Active
ERJ-8ENF1503V	Panasonic Electronic Components	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Automotive AEC-Q200	ROHS3	Not For New Designs
ESR18EZPF1503	Rohm Semiconductor	150 kΩ	±1%	0.5	1206	±100ppm/°C	-55 ~ 155°C	Automotive AEC-Q200, Pulse Withstanding	ROHS3	Active
KTR18EZPF1503	Rohm Semiconductor	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Automotive AEC-Q200, High Voltage	ROHS3	Active
RC1206FR-07150KL	YAGEO	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Moisture Resistant	ROHS3	Active
RMCF1206FT150K	Stackpole Electronics Inc	150 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Automotive AEC-Q200	ROHS3	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

Select from the following 0.25W equivalents when exact specification matching is required:

CR1206-FX-1503ELF (Bourns Inc.) - Active status, ROHS3 compliant, standard industrial-grade
RC1206FR-07150KL (YAGEO) - Active status, ROHS3 compliant, standard industrial-grade
AC1206FR-07150KL (YAGEO) - Active status, ROHS3 compliant, automotive AEC-Q200 qualified

For Automotive Applications:

Select automotive AEC-Q200 qualified alternatives:

CRCW1206150KFKEA (Vishay Dale) - Active status, ROHS3 compliant, AEC-Q200 rated
KTR18EZPF1503 (Rohm Semiconductor) - Active status, ROHS3 compliant, AEC-Q200 rated with high-voltage capability
RMCF1206FT150K (Stackpole Electronics Inc) - Active status, ROHS3 compliant, AEC-Q200 rated

For Enhanced Power Dissipation:

Select higher power rating variants when thermal performance is critical:

ESR18EZPF1503 (Rohm Semiconductor) - 0.5W rating, Active status, ROHS3 compliant, pulse withstanding capability
CRCW1206150KFKEAHP (Vishay Dale) - 0.75W rating, Active status, ROHS3 compliant, pulse withstanding capability

Avoid for New Designs:

ERJ-8ENF1503V (Panasonic Electronic Components) - Marked "Not For New Designs" despite meeting electrical specifications
CRCW1206150KFKTA (Vishay Dale) - RoHS non-compliant status

Regulatory Compliance:

All recommended substitutes maintain ROHS3 compliance and MSL 1 rating. Verify REACH status requirements for specific applications; all listed parts show REACH Unaffected or REACH Affected status as provided in specifications.

Frequently Asked Questions (FAQ)

Q1: Can I use a 0.5W or 0.75W rated resistor as a substitute for the 0.25W RCS3216F154CS?

A: Yes. Higher power-rated resistors (0.5W and 0.75W) are electrically compatible substitutes. The 1206 package accommodates these ratings. However, verify that the physical dimensions and height specifications fit your PCB layout. ESR18EZPF1503 (0.5W) and CRCW1206150KFKEAHP (0.75W) are suitable alternatives with identical resistance, tolerance, and temperature coefficient values.

Q2: What is the difference between standard industrial-grade and automotive AEC-Q200 qualified resistors?

A: Automotive AEC-Q200 qualification indicates the part meets enhanced reliability and testing standards required for automotive applications. These parts undergo additional qualification testing for temperature cycling, humidity, and mechanical stress. For non-automotive applications, standard industrial-grade parts (CR1206-FX-1503ELF, RC1206FR-07150KL) are functionally equivalent. For automotive designs, select AEC-Q200 qualified alternatives (AC1206FR-07150KL, CRCW1206150KFKEA, KTR18EZPF1503, RMCF1206FT150K).

Q3: Are there any dimensional differences between substitute parts that affect PCB layout?

A: Yes. While all parts use the 1206 (3216 Metric) package, height specifications vary slightly. The RCS3216F154CS has maximum seated height of 0.66mm. Substitutes range from 0.60mm to 0.75mm. Verify height clearance in your PCB design, particularly for applications with tight component stacking or conformal coating requirements.

Q4: Why is ERJ-8ENF1503V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic Electronic Components) has discontinued active development and recommends alternative parts for new circuit designs. While the part meets all electrical specifications and remains in stock, it should not be selected for new product development. Use RMCF1206FT150K or KTR18EZPF1503 as alternatives.

Q5: What does ROHS3 compliance mean for this resistor?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates the part contains no lead, cadmium, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers above specified thresholds. All recommended substitutes maintain ROHS3 compliance except CRCW1206150KFKTA, which is RoHS non-compliant and should not be used in regulated applications.

Q6: Can I substitute the RCS3216F154CS with a different resistance value if my circuit allows tolerance?

A: No. Substitution is strictly limited to parts with identical 150 kOhm resistance value and ±1% tolerance. Circuit function depends on precise resistance values. Deviating from these specifications requires circuit redesign and re-validation.

Q7: What is the significance of the ±100ppm/°C temperature coefficient?

A: Temperature coefficient defines how resistance changes with temperature. ±100ppm/°C means the resistance can drift up to 0.01% per degree Celsius. All listed substitutes match this specification, ensuring consistent circuit performance across the -55°C to 155°C operating range. Do not substitute with parts having different temperature coefficients.

Q8: Are there packaging format differences between substitute parts?

A: Yes. The RCS3216F154CS is supplied in standard packaging. Substitutes are available in different formats: Tape & Reel (TR) for automated assembly, Cut Tape (CT) & Digi-Reel® for manual assembly, or mixed formats. Verify your procurement and assembly process requirements when selecting substitutes.

Q9: Which substitute offers the best availability?

A: Based on inventory data provided, KTR18EZPF1503 (Rohm Semiconductor) has the highest stock level at 222,408 pieces. RC1206FR-07150KL (YAGEO) has 212,273 pieces. Both are Active status with ROHS3 compliance and suitable for immediate procurement.

Q10: Can I mix different substitute parts in the same circuit board assembly?

A: Yes. All listed substitutes are electrically and mechanically equivalent. Mixing different manufacturers or part numbers in the same assembly is acceptable from a functional standpoint. However, verify your quality assurance and traceability requirements, as some applications mandate consistent part sourcing across production batches.

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