RCS3216F90R9CS Equivalent & Substitute Parts

Part Overview

The RCS3216F90R9CS is a 90.9 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component features anti-sulfur and moisture-resistant construction with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is currently in active production status 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 interchangeability in circuit applications.

Key Parameters

Parameter	Value
Resistance	90.9 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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F90R9CS is determined by strict matching of the following critical parameters:

Electrical Specifications:

Resistance value: 90.9 Ohms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Specifications:

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

Compliance & Environmental:

RoHS3 compliance
Moisture Sensitivity Level 1 (Unlimited)
Thick film composition

All identified substitute parts meet these criteria without exception. Substitutes are grouped by manufacturer and product series while maintaining identical electrical and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	Features	Product Status	RoHS	MSL
RCS3216F90R9CS	Samsung Electro-Mechanics	90.9 Ω	±1%	0.25	1206	±100	-55 ~ 155	Anti-Sulfur, Moisture Resistant	Active	ROHS3	1
AC1206FR-0790R9L	YAGEO	90.9 Ω	±1%	0.25	1206	±100	-55 ~ 155	Automotive AEC-Q200, Moisture Resistant	Active	ROHS3	1
CR1206-FX-90R9ELF	Bourns Inc.	90.9 Ω	±1%	0.25	1206	±100	-55 ~ 155	Moisture Resistant	Active	ROHS3	1
CRCW120690R9FKEA	Vishay Dale	90.9 Ω	±1%	0.25	1206	±100	-55 ~ 155	Automotive AEC-Q200	Active	ROHS3	1
ERJ-8ENF90R9V	Panasonic Electronic Components	90.9 Ω	±1%	0.25	1206	±100	-55 ~ 155	Automotive AEC-Q200	Not For New Designs	ROHS3	1
RC1206FR-0790R9L	YAGEO	90.9 Ω	±1%	0.25	1206	±100	-55 ~ 155	Moisture Resistant	Active	ROHS3	1

Engineering Selection Recommendations

Primary Substitutes (Active Status):

For new designs and production applications, AC1206FR-0790R9L (YAGEO), CR1206-FX-90R9ELF (Bourns Inc.), CRCW120690R9FKEA (Vishay Dale), and RC1206FR-0790R9L (YAGEO) are recommended as direct equivalents. All maintain active product status with full ROHS3 compliance and MSL 1 rating. AC1206FR-0790R9L and CRCW120690R9FKEA include automotive AEC-Q200 qualification, suitable for applications requiring automotive-grade reliability.

Secondary Substitute (Legacy Status):

ERJ-8ENF90R9V (Panasonic Electronic Components) is electrically and mechanically equivalent but carries "Not For New Designs" status. This part is suitable for replacement in existing applications or legacy system maintenance only.

Compliance Considerations:

All identified substitutes maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with standard PCB assembly processes and environmental storage conditions. No additional handling or storage precautions are required beyond standard component management practices.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF90R9V be used in new product designs?

A: No. ERJ-8ENF90R9V carries "Not For New Designs" status. For new designs, select from AC1206FR-0790R9L, CR1206-FX-90R9ELF, CRCW120690R9FKEA, or RC1206FR-0790R9L, all of which maintain active production status.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts use the 1206 (3216 Metric) package format. Physical dimensions are compatible with standard 1206 land patterns. Minor dimensional variations (length 3.10mm to 3.20mm, height 0.60mm to 0.75mm) fall within standard PCB design tolerances and do not affect footprint compatibility.

Q: What is the difference between automotive-qualified and standard versions?

A: AC1206FR-0790R9L and CRCW120690R9FKEA include AEC-Q200 automotive qualification, indicating enhanced reliability testing and qualification for automotive applications. CR1206-FX-90R9ELF and RC1206FR-0790R9L are standard industrial-grade parts without automotive certification. Selection depends on application requirements.

Q: Do all substitutes have the same moisture sensitivity level?

A: Yes. All parts listed, including the main part RCS3216F90R9CS, have MSL 1 (Unlimited) rating. This indicates no moisture sensitivity restrictions and compatibility with standard PCB assembly and storage conditions.

Q: Are there packaging format differences among substitutes?

A: Packaging formats vary between suppliers (Tape & Reel or Cut Tape & Digi-Reel), but these are supply chain considerations only. The component package format (1206) and electrical specifications remain identical across all substitutes.

Q: Can substitutes be mixed in the same production batch?

A: Yes. All substitutes meet identical electrical specifications (90.9 Ω ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C) and package requirements. Mixed sourcing is permissible from an engineering standpoint, though procurement and quality control procedures should address supplier traceability and documentation.

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