RC1608F302CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F302CS is a 3 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction and RoHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct circuit board compatibility and functional interchangeability.

Key Parameters

Parameter	Specification
Resistance Value	3 kOhms
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 (MSL)	1 (Unlimited)
RoHS Status	RoHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F302CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance Value: 3 kOhms
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)
RoHS3 Compliance: Required

All substitute parts listed meet these mandatory parameters. Additional features such as Automotive AEC-Q200 certification, moisture resistance, or anti-sulfur construction represent enhanced capabilities that do not prevent substitution but indicate upgraded performance characteristics suitable for specific application requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	MSL	RoHS	Features	Product Status
RC1608F302CS	Samsung Electro-Mechanics	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Moisture Resistant	Active
CR0603-FX-3001ELF	Bourns Inc.	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Moisture Resistant	Active
CRG0603F3K0	TE Connectivity Passive Product	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	—	Active
RC0603FR-073KL	YAGEO	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Moisture Resistant	Active
KTR03EZPF3001	Rohm Semiconductor	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Automotive AEC-Q200, High Voltage	Active
AC0603FR-073KL	YAGEO	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Automotive AEC-Q200, Moisture Resistant	Active
AF0603FR-073KL	YAGEO	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Anti-Sulfur, Automotive AEC-Q200	Active
CRCW06033K00FKEA	Vishay Dale	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Automotive AEC-Q200	Active
CRCW06033K00FKEB	Vishay Dale	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Automotive AEC-Q200	Discontinued at DiGi Electronics
ERJ-3EKF3001V	Panasonic Electronic Components	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Automotive AEC-Q200	Active
ERJ-S03F3001V	Panasonic Electronic Components	3 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	1	RoHS3	Anti-Sulfur, Automotive AEC-Q200	Active

Engineering Selection Recommendations

Direct Equivalents (Standard Industrial Applications):

CR0603-FX-3001ELF (Bourns Inc.) and RC0603FR-073KL (YAGEO) are direct functional equivalents to the RC1608F302CS. Both maintain identical electrical specifications, operating temperature range, and moisture resistance characteristics. These parts are suitable for general-purpose circuit applications where standard industrial-grade components are specified.

Standard Substitute (Minimal Feature Set):

CRG0603F3K0 (TE Connectivity Passive Product) provides electrical and mechanical equivalence without specified moisture-resistant features. This part is appropriate for applications where moisture resistance is not a design requirement and cost optimization is a consideration.

Upgraded Substitutes (Automotive and Enhanced Reliability):

KTR03EZPF3001 (Rohm Semiconductor), AC0603FR-073KL (YAGEO), AF0603FR-073KL (YAGEO), CRCW06033K00FKEA (Vishay Dale), ERJ-3EKF3001V (Panasonic), and ERJ-S03F3001V (Panasonic) all carry Automotive AEC-Q200 certification. These parts are suitable for automotive and high-reliability applications where enhanced qualification standards are required. AF0603FR-073KL and ERJ-S03F3001V include anti-sulfur construction for corrosive environments.

Discontinued Status:

CRCW06033K00FKEB (Vishay Dale) is marked as Discontinued at DiGi Electronics. While electrically equivalent, this part should not be selected for new designs or long-term supply chain planning.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F302CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts match the mandatory electrical parameters (3 kOhms ±1%, 0.1W, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, RoHS3 compliance). Physical footprint and electrical behavior are identical, requiring no circuit board layout modifications.

Q: What is the difference between standard and automotive-grade substitutes?

A: Automotive AEC-Q200 certified parts (KTR03EZPF3001, AC0603FR-073KL, AF0603FR-073KL, CRCW06033K00FKEA, ERJ-3EKF3001V, ERJ-S03F3001V) undergo additional qualification testing for automotive applications. These parts are required for automotive circuit designs but are also suitable for industrial applications requiring enhanced reliability. Standard parts (CR0603-FX-3001ELF, RC0603FR-073KL, CRG0603F3K0) are appropriate for general industrial use.

Q: What does anti-sulfur construction mean?

A: Anti-sulfur construction (AF0603FR-073KL, ERJ-S03F3001V) provides enhanced resistance to sulfur-containing atmospheric contaminants. This feature is beneficial in industrial environments with high sulfur exposure but is not required for standard applications.

Q: Is moisture resistance a critical parameter for substitution?

A: Moisture resistance is not a mandatory substitution criterion. The RC1608F302CS specifies moisture-resistant construction, and most direct equivalents (CR0603-FX-3001ELF, RC0603FR-073KL, AC0603FR-073KL) include this feature. However, CRG0603F3K0 does not specify moisture resistance and remains electrically equivalent. Selection depends on application environment requirements.

Q: Can I use CRCW06033K00FKEB in new designs?

A: CRCW06033K00FKEB is marked as Discontinued at DiGi Electronics. For new designs and long-term production, select CRCW06033K00FKEA (active status) or alternative active-status parts from the substitute list.

Q: What packaging options are available?

A: The RC1608F302CS is supplied in Tape & Reel (TR) packaging. Substitute parts are available in both Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats. Verify packaging compatibility with your assembly process before component procurement.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification, matching the RC1608F302CS specification. REACH status is either REACH Unaffected or Vendor Undefined across all parts, indicating compliance with environmental regulations.

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