RC1608F86R6CS Equivalent & Substitute Parts

Part Overview

The RC1608F86R6CS is a 0603 (1608 Metric) thick film chip resistor manufactured by Samsung Electro-Mechanics. This component provides 86.6 Ohms resistance with ±1% tolerance and 0.1W power rating. The part is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory availability, or specific application certifications such as automotive AEC-Q200 qualification.

Key Parameters

Parameter	Value
Resistance	86.6 Ohms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Terminations	2

Substitute Part Grouping Explanation

Substitution of the RC1608F86R6CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 86.6 Ohms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Moisture sensitivity level: 1 (Unlimited)
RoHS compliance: ROHS3

Substitute parts are classified into two categories:

Direct Equivalents: Parts meeting all mandatory parameters without additional certifications.

Similar Parts with Enhanced Certifications: Parts meeting all mandatory parameters with additional automotive AEC-Q200 qualification. These parts are suitable for applications requiring automotive-grade reliability and are backward-compatible with standard industrial applications.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Composition	MSL	RoHS	AEC-Q200
Samsung Electro-Mechanics	RC1608F86R6CS	86.6 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	ROHS3	No
Bourns Inc.	CR0603-FX-86R6ELF	86.6 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	ROHS3	No
YAGEO	RC0603FR-0786R6L	86.6 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	ROHS3	No
YAGEO	AC0603FR-0786R6L	86.6 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	ROHS3	Yes
Vishay Dale	CRCW060386R6FKEA	86.6 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	ROHS3	Yes
Panasonic Electronic Components	ERJ-3EKF86R6V	86.6 Ω	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Thick Film	1	ROHS3	Yes

Engineering Selection Recommendations

For Standard Industrial Applications:

The CR0603-FX-86R6ELF (Bourns Inc.) and RC0603FR-0786R6L (YAGEO) are direct functional equivalents to the RC1608F86R6CS. Both parts maintain identical electrical specifications, package dimensions, and compliance certifications. Selection between these options is based on inventory availability and supply chain requirements.

For Automotive and High-Reliability Applications:

The AC0603FR-0786R6L (YAGEO), CRCW060386R6FKEA (Vishay Dale), and ERJ-3EKF86R6V (Panasonic Electronic Components) are qualified to AEC-Q200 automotive standards. These parts meet all electrical and environmental specifications of the primary part while providing additional automotive-grade reliability certification. These parts are suitable for applications requiring automotive qualification and are backward-compatible with standard industrial designs.

All substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard PCB assembly processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RC1608F86R6CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts match the mandatory electrical parameters: 86.6 Ohms resistance, ±1% tolerance, 0.1W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. The 0603 package ensures mechanical and thermal compatibility. No circuit redesign is required.

Q: What is the difference between direct equivalents and AEC-Q200 qualified parts?

A: Direct equivalents (CR0603-FX-86R6ELF and RC0603FR-0786R6L) meet all standard electrical and environmental specifications. AEC-Q200 qualified parts (AC0603FR-0786R6L, CRCW060386R6FKEA, ERJ-3EKF86R6V) include additional automotive-grade reliability testing and qualification. AEC-Q200 parts are suitable for automotive applications and are backward-compatible with standard industrial designs.

Q: Are there physical dimension differences between substitute parts?

A: The RC1608F86R6CS, CR0603-FX-86R6ELF, RC0603FR-0786R6L, and ERJ-3EKF86R6V share identical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" (0.55mm) maximum seated height. The CRCW060386R6FKEA has slightly different dimensions: 0.061" L x 0.033" W (1.55mm x 0.85mm) with 0.020" (0.50mm) maximum seated height. Both dimension sets are within 0603 package specifications and are mechanically compatible with standard PCB layouts.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All parts listed, including the primary part and all substitutes, are classified as MSL Level 1 (Unlimited). This means they have unlimited shelf life under normal storage conditions and do not require special moisture control during handling or assembly.

Q: Which substitute part should I select for maximum inventory availability?

A: The ERJ-3EKF86R6V (Panasonic Electronic Components) has the highest documented inventory at 81,003 pieces. The CRCW060386R6FKEA (Vishay Dale) has 30,339 pieces, and RC0603FR-0786R6L (YAGEO) has 50,724 pieces available. Inventory levels should be confirmed with your supplier for current availability.

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