RC1608J563CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608J563CS is a 56 kOhms ±5% 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 characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and consumer applications requiring standard tolerance resistive elements.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size, termination count, physical dimensions), and environmental ratings (operating temperature range, temperature coefficient, compliance certifications).

Key Parameters

Parameter	Value	Specification Basis
Resistance	56 kOhms	Primary electrical specification
Tolerance	±5%	Accuracy classification for substitution
Power Rating	0.1W (1/10W)	Thermal dissipation capability
Package / Case	0603 (1608 Metric)	Physical form factor and PCB compatibility
Composition	Thick Film	Manufacturing technology
Operating Temperature	-55°C ~ 155°C	Environmental operating range
Temperature Coefficient	±100ppm/°C	Stability over temperature
Terminations	2	Connection points
RoHS Status	ROHS3 Compliant	Environmental compliance
MSL Rating	1 (Unlimited)	Moisture handling capability

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on electrical and mechanical compatibility with the RC1608J563CS:

Direct Equivalent (Same Tolerance ±5%) Parts maintaining identical tolerance specification (±5%) with matching resistance, power rating, package, and operating temperature range. These parts are functionally interchangeable without circuit performance impact.

Upgrade Parts (Tighter Tolerance ±1%) Parts with improved tolerance specification (±1%) while maintaining all other critical parameters. These parts provide enhanced accuracy and may be selected when circuit design requires tighter component tolerances. Upgrade parts are backward compatible with designs specified for ±5% tolerance.

Similar Parts (Automotive AEC-Q200 Rated) Parts meeting automotive qualification standards (AEC-Q200) with matching electrical specifications. These parts include additional environmental and reliability testing suitable for automotive and high-reliability applications.

Substitution Criteria (Mandatory Matching Parameters):

Resistance value: 56 kOhms (exact match required)
Power rating: 0.1W / 1/10W (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Operating temperature: -55°C ~ 155°C (minimum requirement)
Composition: Thick Film (exact match required)
Terminations: 2 (exact match required)
RoHS compliance: ROHS3 (minimum requirement)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	Op. Temp	Features	Packaging
RC1608J563CS	Samsung Electro-Mechanics	56 kΩ	±5%	0.1W	±100ppm/°C	-55~155°C	Moisture Resistant	Tape & Reel
RC0603JR-0756KL	YAGEO	56 kΩ	±5%	0.1W	±100ppm/°C	-55~155°C	Moisture Resistant	Tape & Reel
CRG0603F56K	TE Connectivity	56 kΩ	±1%	0.1W	±100ppm/°C	-55~155°C	—	Tape & Reel
ERJ-3EKF5602V	Panasonic	56 kΩ	±1%	0.1W	±100ppm/°C	-55~155°C	AEC-Q200	Tape & Reel
ERJ-3GEYJ563V	Panasonic	56 kΩ	±5%	0.1W	±200ppm/°C	-55~155°C	AEC-Q200	Tape & Reel
KTR03EZPF5602	Rohm Semiconductor	56 kΩ	±1%	0.1W	±100ppm/°C	-55~155°C	AEC-Q200, High Voltage	Tape & Reel
KTR03EZPJ563	Rohm Semiconductor	56 kΩ	±5%	0.1W	±200ppm/°C	-55~155°C	AEC-Q200, High Voltage	Tape & Reel
RC0603FR-0756KL	YAGEO	56 kΩ	±1%	0.1W	±100ppm/°C	-55~155°C	Moisture Resistant	Cut Tape & Digi-Reel
RMCF0603FT56K0	Stackpole Electronics	56 kΩ	±1%	0.1W	±100ppm/°C	-55~155°C	AEC-Q200	Cut Tape & Digi-Reel
RMCF0603JG56K0	Stackpole Electronics	56 kΩ	±5%	0.1W	±200ppm/°C	-55~155°C	AEC-Q200	Cut Tape
AC0603JR-0756KL	YAGEO	56 kΩ	±5%	0.1W	±100ppm/°C	-55~155°C	AEC-Q200, Moisture Resistant	Tape & Reel

Engineering Selection Recommendations

Direct Equivalent Selection

RC0603JR-0756KL (YAGEO) is the primary direct equivalent to RC1608J563CS. Both parts maintain ±5% tolerance, ±100ppm/°C temperature coefficient, moisture resistant characteristics, and identical electrical specifications. This part is suitable for direct replacement in existing designs without circuit modification.

Upgrade Selection for Enhanced Accuracy

When circuit design requires tighter tolerance specifications, the following ±1% tolerance parts are backward compatible:

CRG0603F56K (TE Connectivity Passive Product) provides standard industrial-grade ±1% tolerance with moisture resistant properties equivalent to the original specification.
RC0603FR-0756KL (YAGEO) offers ±1% tolerance with moisture resistant features and is available in high-volume quantities (5,000,400 pcs in stock).
RMCF0603FT56K0 (Stackpole Electronics Inc) provides ±1% tolerance with AEC-Q200 automotive qualification.

Automotive and High-Reliability Applications

For applications requiring automotive qualification (AEC-Q200 certification):

ERJ-3EKF5602V (Panasonic) provides ±1% tolerance with AEC-Q200 rating and high inventory availability (309,921 pcs).
ERJ-3GEYJ563V (Panasonic) maintains ±5% tolerance with AEC-Q200 rating, suitable for direct replacement in automotive designs.
KTR03EZPF5602 (Rohm Semiconductor) combines ±1% tolerance, AEC-Q200 certification, and high voltage capability.
KTR03EZPJ563 (Rohm Semiconductor) maintains ±5% tolerance with AEC-Q200 and high voltage features.
RMCF0603JG56K0 (Stackpole Electronics Inc) provides ±5% tolerance with AEC-Q200 rating.

Packaging Considerations

The original RC1608J563CS is supplied in Tape & Reel (TR) packaging. Equivalent parts maintaining TR packaging include RC0603JR-0756KL, CRG0603F56K, and all Panasonic ERJ series parts. Parts supplied in Cut Tape (CT) or Cut Tape & Digi-Reel packaging (RC0603FR-0756KL, RMCF0603FT56K0, RMCF0603JG56K0) require verification of assembly equipment compatibility before selection.

Compliance and Regulatory Status

All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. All parts operate within the -55°C ~ 155°C temperature range. REACH status is either REACH Unaffected or Vendor Undefined across all parts, with no REACH restrictions identified.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC0603JR-0756KL for RC1608J563CS without circuit redesign?

A: Yes. RC0603JR-0756KL is a direct equivalent with identical electrical specifications (56 kΩ ±5%, 0.1W), package (0603), operating temperature range (-55°C ~ 155°C), and moisture resistant characteristics. No circuit modification is required.

Q: What is the difference between ±5% and ±1% tolerance parts?

A: Tolerance specifies the maximum deviation from the nominal resistance value. RC1608J563CS with ±5% tolerance allows resistance values between 53.2 kΩ and 58.8 kΩ. Upgrade parts with ±1% tolerance (such as CRG0603F56K or RC0603FR-0756KL) allow values between 55.44 kΩ and 56.56 kΩ, providing tighter accuracy. ±1% parts are backward compatible with designs specified for ±5% tolerance.

Q: Are AEC-Q200 rated parts suitable for non-automotive applications?

A: Yes. AEC-Q200 certification indicates automotive-grade qualification with enhanced environmental and reliability testing. These parts exceed standard industrial requirements and are suitable for any application. Examples include ERJ-3EKF5602V, KTR03EZPF5602, and RMCF0603FT56K0.

Q: What does MSL 1 (Unlimited) mean?

A: MSL (Moisture Sensitivity Level) 1 indicates the component can be stored indefinitely without moisture baking requirements before soldering. All listed parts maintain MSL 1 rating, matching the original RC1608J563CS specification.

Q: Can I use parts with ±200ppm/°C temperature coefficient instead of ±100ppm/°C?

A: Temperature coefficient specifies resistance change over temperature. Parts with ±200ppm/°C (such as ERJ-3GEYJ563V, KTR03EZPJ563, and RMCF0603JG56K0) exhibit twice the resistance drift compared to ±100ppm/°C parts. Selection depends on circuit temperature stability requirements. For applications sensitive to temperature-induced resistance changes, maintain ±100ppm/°C specification.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, suitable for automated pick-and-place assembly. Cut Tape (CT) and Cut Tape & Digi-Reel packaging supply components on tape segments or individual reels. Verify assembly equipment compatibility before selecting alternative packaging formats.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the environmental compliance status of RC1608J563CS. No RoHS restrictions apply to any listed alternatives.

Q: Which substitute part has the highest inventory availability?

A: RC0603FR-0756KL (YAGEO) has the highest inventory with 5,000,400 pcs in stock. This part provides ±1% tolerance upgrade with moisture resistant characteristics and is available in Cut Tape & Digi-Reel packaging.

Q: Can I mix different manufacturers' parts in the same circuit board?

A: Yes. All listed substitute parts meet identical electrical and mechanical specifications for the 56 kΩ ±5% 0.1W 0603 resistor category. Parts from different manufacturers (Samsung, YAGEO, TE Connectivity, Panasonic, Rohm, Stackpole) are functionally interchangeable when specifications match. Verify procurement and supply chain requirements for multi-source component strategies.

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