RC1608F1151CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1151CS is a 1.15 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This surface mount device is rated for 0.1W (1/10W) power dissipation and operates across the temperature range of -55°C to 155°C. The component features moisture-resistant construction with unlimited moisture sensitivity level (MSL 1) and maintains active product status. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct functional interchangeability in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	1.15 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 to 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC1608F1151CS are classified into two categories based on functional equivalence and compliance characteristics:

Direct Equivalents (Functionally Identical): Parts that match all critical electrical parameters (resistance, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical specifications (0603 package, 2 terminations, MSL 1) without additional automotive or specialized certifications. These parts are suitable for general industrial and consumer applications.

Automotive-Qualified Equivalents (AEC-Q200 Certified): Parts that meet all electrical and mechanical requirements of the main part while additionally satisfying AEC-Q200 automotive qualification standards. These components are suitable for automotive and high-reliability applications where enhanced qualification testing and traceability are required.

Critical Substitution Parameters:

Resistance: 1.15 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power Rating: 0.1W / 1/10W (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature: -55°C to 155°C (exact match required)
Composition: Thick Film (exact match required)
MSL Rating: 1 (Unlimited) (exact match required)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp (°C)	Composition	MSL	RoHS	AEC-Q200	Packaging Type
RC1608F1151CS	Samsung Electro-Mechanics	1.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155	Thick Film	1	ROHS3	No	Tape & Reel
CR0603-FX-1151ELF	Bourns Inc.	1.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155	Thick Film	1	ROHS3	No	Tape & Reel
RC0603FR-071K15L	YAGEO	1.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155	Thick Film	1	ROHS3	No	Tape & Reel
AC0603FR-071K15L	YAGEO	1.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155	Thick Film	1	ROHS3	Yes	Tape & Reel
CRCW06031K15FKEA	Vishay Dale	1.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155	Thick Film	1	ROHS3	Yes	Cut Tape & Digi-Reel
CRCW06031K15FKTA	Vishay Dale	1.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155	Thick Film	1	RoHS Non-compliant	Yes	Tape & Reel
ERJ-3EKF1151V	Panasonic Electronic Components	1.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155	Thick Film	1	ROHS3	Yes	Cut Tape & Digi-Reel
RMCF0603FT1K15	Stackpole Electronics Inc	1.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155	Thick Film	1	ROHS3	Yes	Tape & Reel

Engineering Selection Recommendations

For General Industrial and Consumer Applications:

The CR0603-FX-1151ELF (Bourns Inc.) and RC0603FR-071K15L (YAGEO) are direct functional equivalents to the RC1608F1151CS. Both parts match all electrical and mechanical specifications, maintain ROHS3 compliance, and are available in standard Tape & Reel packaging. These options provide the most straightforward substitution path for non-automotive applications.

For Automotive and High-Reliability Applications:

When AEC-Q200 automotive qualification is required, the following parts are suitable:

AC0603FR-071K15L (YAGEO) - ROHS3 compliant, Tape & Reel packaging
CRCW06031K15FKEA (Vishay Dale) - ROHS3 compliant, Cut Tape & Digi-Reel packaging
ERJ-3EKF1151V (Panasonic Electronic Components) - ROHS3 compliant, Cut Tape & Digi-Reel packaging
RMCF0603FT1K15 (Stackpole Electronics Inc) - ROHS3 compliant, Tape & Reel packaging

Compliance Considerations:

The CRCW06031K15FKTA (Vishay Dale) is not recommended for new designs due to RoHS non-compliance and REACH-affected status, despite meeting all electrical and mechanical specifications and AEC-Q200 qualification.

Packaging Considerations:

For high-volume automated assembly, Tape & Reel packaging is standard. Cut Tape & Digi-Reel packaging options (CRCW06031K15FKEA, ERJ-3EKF1151V) are suitable for lower-volume or mixed-component orders.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RC1608F1151CS with any of the listed equivalent parts without circuit redesign?

A: Yes. All listed substitute parts match the critical electrical parameters (1.15 kOhms ±1%, 0.1W power rating, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) and mechanical specifications (0603 package, 2 terminations). Direct substitution is functionally valid without circuit modification.

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

A: Direct equivalents (CR0603-FX-1151ELF, RC0603FR-071K15L) meet all electrical and mechanical specifications for general applications. AEC-Q200 qualified parts (AC0603FR-071K15L, CRCW06031K15FKEA, ERJ-3EKF1151V, RMCF0603FT1K15) undergo additional automotive qualification testing and are suitable for automotive and high-reliability applications where enhanced traceability and qualification documentation are required.

Q: Does packaging type affect electrical performance?

A: No. Tape & Reel and Cut Tape & Digi-Reel packaging formats do not affect the electrical characteristics of the resistor. Packaging selection is based on assembly process requirements and order volume. Tape & Reel is standard for high-volume automated assembly; Cut Tape & Digi-Reel is suitable for lower-volume or mixed-component orders.

Q: Why is CRCW06031K15FKTA not recommended despite meeting specifications?

A: The CRCW06031K15FKTA is RoHS non-compliant and REACH-affected. For new designs and applications subject to environmental regulations, ROHS3-compliant alternatives are required.

Q: Are all substitute parts available in the same inventory quantities?

A: No. Inventory availability varies by manufacturer and distributor. The RC1608F1151CS has 705 pieces in stock, while substitute parts range from 5,926 to 91,914 pieces depending on the specific part number and manufacturer.

Q: Can I use automotive-qualified parts in non-automotive applications?

A: Yes. AEC-Q200 qualified parts exceed the requirements for general industrial and consumer applications. Using automotive-qualified components in non-automotive designs provides additional reliability margin without functional or compatibility issues.

Q: What is MSL 1 (Unlimited) and why is it important?

A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require special moisture-controlled storage or baking procedures before soldering. All listed substitute parts maintain MSL 1 rating, ensuring consistent handling and storage requirements.

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