RC1608F563CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F563CS is a 56 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. 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 functional interchangeability in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	56 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	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC1608F563CS are classified into three categories based on functional equivalence and application suitability:

Direct Substitutes (Functionally Equivalent): Parts meeting all core electrical parameters (56 kOhms ±1%, 0.1W, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) with identical or compatible moisture resistance and RoHS3 compliance. These parts are interchangeable without circuit redesign.

Upgrade Substitutes (Enhanced Specifications): Parts exceeding base specifications with automotive AEC-Q200 qualification and high-voltage capability, suitable for applications requiring enhanced reliability and environmental performance.

Similar Substitutes (Minor Dimensional Variance): Parts matching all electrical specifications with minor physical dimension variations within acceptable PCB assembly tolerances, including alternative packaging formats (Cut Tape vs. Tape & Reel).

Substitution eligibility is determined by:

Resistance value: 56 kOhms
Tolerance: ±1%
Power rating: 0.1W minimum
Package: 0603 (1608 Metric)
Temperature coefficient: ±100ppm/°C
Operating temperature: -55°C to 155°C minimum
RoHS3 compliance
MSL rating: 1 (Unlimited)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS Status	Product Status
RC1608F563CS	Samsung Electro-Mechanics	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Active
CR0603-FX-5602ELF	Bourns Inc.	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Active
CRG0603F56K	TE Connectivity Passive Product	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	—	ROHS3	Active
RC0603FR-0756KL	YAGEO	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Active
KTR03EZPF5602	Rohm Semiconductor	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, High Voltage	ROHS3	Active
AC0603FR-0756KL	YAGEO	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	Active
CRCW060356K0FKEA	Vishay Dale	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Active
CRCW060356K0FKEB	Vishay Dale	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Discontinued at DiGi Electronics
ERJ-3EKF5602V	Panasonic Electronic Components	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Active
ERJ-S03F5602V	Panasonic Electronic Components	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Anti-Sulfur, Automotive AEC-Q200	ROHS3	Active
RMCF0603FT56K0	Stackpole Electronics Inc	56 kOhms	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Active

Engineering Selection Recommendations

For Standard Industrial Applications: CR0603-FX-5602ELF (Bourns Inc.), CRG0603F56K (TE Connectivity), or RC0603FR-0756KL (YAGEO) provide direct functional equivalence to RC1608F563CS with active product status and full RoHS3 compliance. These parts maintain identical electrical specifications and operating temperature range.

For Automotive and High-Reliability Applications: KTR03EZPF5602 (Rohm Semiconductor), AC0603FR-0756KL (YAGEO), ERJ-3EKF5602V (Panasonic), ERJ-S03F5602V (Panasonic), or RMCF0603FT56K0 (Stackpole Electronics) are qualified to AEC-Q200 automotive standard, providing enhanced reliability for automotive and harsh environment applications.

For Anti-Sulfur Environments: ERJ-S03F5602V (Panasonic Electronic Components) includes anti-sulfur feature in addition to AEC-Q200 qualification, suitable for applications exposed to sulfurous atmospheres.

Packaging Considerations: RC0603FR-0756KL and RMCF0603FT56K0 are supplied in Cut Tape (CT) & Digi-Reel® format, while CR0603-FX-5602ELF, CRG0603F56K, KTR03EZPF5602, and Panasonic ERJ series are supplied in Tape & Reel (TR) format. CRCW060356K0FKEB is discontinued at DiGi Electronics; CRCW060356K0FKEA remains active.

Product Status: All recommended substitutes maintain Active product status except CRCW060356K0FKEB, which is discontinued at DiGi Electronics and should be avoided for new designs.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-5602ELF directly replace RC1608F563CS without circuit modification?

A: Yes. CR0603-FX-5602ELF matches all core electrical parameters: 56 kOhms ±1%, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and RoHS3 compliance. Physical dimensions are identical (1.60mm x 0.80mm x 0.55mm max height). Direct substitution is supported.

Q: What is the difference between standard and AEC-Q200 qualified 56 kOhm 0603 resistors?

A: AEC-Q200 qualified parts (KTR03EZPF5602, AC0603FR-0756KL, ERJ-3EKF5602V, ERJ-S03F5602V, RMCF0603FT56K0) undergo additional automotive qualification testing including thermal cycling, humidity bias, and mechanical stress testing. These parts are suitable for automotive and high-reliability applications. Standard parts (CR0603-FX-5602ELF, CRG0603F56K, RC0603FR-0756KL) are suitable for general industrial applications.

Q: Are there dimensional differences between substitute parts?

A: Most substitutes maintain standard 0603 dimensions (1.60mm x 0.80mm). CRCW060356K0FKEA has slightly different dimensions (1.55mm x 0.85mm x 0.50mm max height), and CRCW060356K0FKEB measures 1.60mm x 0.85mm x 0.50mm max height. These minor variations are within typical PCB assembly tolerances but should be verified for space-constrained layouts.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the component has unlimited shelf life without moisture baking requirements. The part can be stored and handled under standard conditions without special moisture control procedures, simplifying inventory management and assembly logistics.

Q: Why would I select ERJ-S03F5602V over other substitutes?

A: ERJ-S03F5602V includes anti-sulfur feature in addition to AEC-Q200 automotive qualification. This is specified for applications in environments with sulfurous contamination or corrosive atmospheres where standard thick film resistors may degrade.

Q: Is CRCW060356K0FKEB still available for new designs?

A: No. CRCW060356K0FKEB is discontinued at DiGi Electronics. For new designs requiring Vishay Dale automotive-qualified 56 kOhm 0603 resistors, use CRCW060356K0FKEA (active status) instead.

Q: What packaging format should I specify for high-volume production?

A: Tape & Reel (TR) format is standard for high-volume automated assembly. CR0603-FX-5602ELF, CRG0603F56K, KTR03EZPF5602, ERJ-3EKF5602V, and ERJ-S03F5602V are supplied in TR format. Cut Tape (CT) & Digi-Reel® format (RC0603FR-0756KL, RMCF0603FT56K0) is suitable for lower volumes or mixed component kits.

Q: Are all listed substitutes RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance. REACH status is either "REACH Unaffected" or "Vendor Undefined" across all parts, indicating no restricted substances of concern.

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