RC1608F2553CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F2553CS is a 255 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with moisture resistance characteristics. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, package compatibility, and regulatory compliance standards.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	255 kOhms	Primary electrical specification
Tolerance	±1%	Precision grade requirement
Power Rating	0.1W (1/10W)	Thermal dissipation capacity
Package / Case	0603 (1608 Metric)	Physical footprint and mounting compatibility
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Temperature stability specification
Operating Temperature Range	-55°C ~ 155°C	Environmental operating limits
RoHS Status	ROHS3 Compliant	Regulatory compliance requirement
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage classification

Substitute Part Grouping Explanation

Substitute parts for the RC1608F2553CS are classified into two categories based on substitution relationship type and feature alignment:

Direct Manufacturer Substitutes (Functionally equivalent with identical core specifications):

CR0603-FX-2553ELF (Bourns Inc.)
RC0603FR-07255KL (YAGEO)

These parts match all critical electrical parameters: 255 kOhms resistance, ±1% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and ROHS3 compliance. Physical dimensions and termination count are identical or within acceptable tolerance for PCB footprint compatibility.

Similar Manufacturer Substitutes (Equivalent electrical specifications with enhanced features):

CRCW0603255KFKEA (Vishay Dale)
ERJ-3EKF2553V (Panasonic Electronic Components)
RMCF0603FT255K (Stackpole Electronics Inc)

These parts maintain all core electrical specifications but include Automotive AEC-Q200 qualification, indicating enhanced reliability and quality assurance for automotive-grade applications. Physical dimensions show minor variations within the 0603 package class (length 1.55-1.60mm, width 0.80-0.85mm, height 0.50-0.55mm) that remain compatible with standard 0603 PCB layouts.

Substitution Logic: All listed parts share identical resistance value, tolerance, power rating, package designation, composition type, temperature coefficient, operating temperature range, RoHS compliance status, and MSL rating. These parameters define the substitution boundary for this product category.

Parameter Comparison

Parameter	RC1608F2553CS (Samsung)	CR0603-FX-2553ELF (Bourns)	RC0603FR-07255KL (YAGEO)	CRCW0603255KFKEA (Vishay Dale)	ERJ-3EKF2553V (Panasonic)	RMCF0603FT255K (Stackpole)
Resistance	255 kOhms	255 kOhms	255 kOhms	255 kOhms	255 kOhms	255 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%	±1%
Power Rating	0.1W	0.1W	0.1W	0.1W	0.1W	0.1W
Package	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	MSL 1	MSL 1	MSL 1	MSL 1	MSL 1	MSL 1
Automotive Grade	Standard	Standard	Standard	AEC-Q200	AEC-Q200	AEC-Q200
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, confirming ongoing manufacturing support and regulatory alignment with the original RC1608F2553CS component.

For Standard Applications: CR0603-FX-2553ELF (Bourns) and RC0603FR-07255KL (YAGEO) provide direct functional equivalence with identical electrical and mechanical specifications. These parts are suitable for applications where the original Samsung component specifications are the design requirement.

For Automotive Applications: CRCW0603255KFKEA (Vishay Dale), ERJ-3EKF2553V (Panasonic), and RMCF0603FT255K (Stackpole) incorporate AEC-Q200 automotive qualification. These parts are appropriate for automotive-grade circuit designs requiring enhanced reliability documentation and quality assurance protocols.

Packaging Considerations: The original RC1608F2553CS is supplied in Cut Tape (CT) packaging. Substitute parts are available in Tape & Reel (TR) or mixed packaging formats. Packaging format selection depends on assembly process requirements and volume specifications, not electrical compatibility.

Inventory Availability: YAGEO RC0603FR-07255KL maintains the highest inventory level (155,058 pcs), followed by Panasonic ERJ-3EKF2553V (76,297 pcs) and Vishay Dale CRCW0603255KFKEA (58,089 pcs). Bourns CR0603-FX-2553ELF provides 23,010 pcs, and Stackpole RMCF0603FT255K offers 20,066 pcs.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-2553ELF replace RC1608F2553CS in existing designs without PCB modification?

A: Yes. Both parts share identical 0603 (1608 Metric) package designation, footprint dimensions (1.60mm L x 0.80mm W), and termination count (2). PCB layout compatibility is confirmed. Electrical specifications are identical: 255 kOhms, ±1% tolerance, 0.1W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range.

Q: What is the difference between standard-grade and AEC-Q200 qualified substitutes?

A: AEC-Q200 qualified parts (Vishay Dale CRCW0603255KFKEA, Panasonic ERJ-3EKF2553V, Stackpole RMCF0603FT255K) include automotive-grade reliability documentation and enhanced quality assurance protocols. Electrical and mechanical specifications remain identical to standard-grade parts. AEC-Q200 qualification is required for automotive circuit designs; standard-grade parts are suitable for general industrial and consumer applications.

Q: Are physical dimension variations between substitute parts significant?

A: Physical dimensions show minor variations within acceptable tolerance: length ranges from 1.55mm to 1.60mm, width from 0.80mm to 0.85mm, and height from 0.50mm to 0.55mm. All variations remain within the 0603 package class specification and are compatible with standard 0603 PCB footprints. Height variation (0.50-0.55mm) does not affect assembly clearance in typical surface mount applications.

Q: What packaging formats are available for substitute parts?

A: RC1608F2553CS is supplied in Cut Tape (CT). Substitute parts are available in Tape & Reel (TR) or Cut Tape & Digi-Reel formats. Packaging format selection depends on assembly equipment compatibility and volume requirements, not electrical or mechanical compatibility. All packaging formats contain identical components.

Q: Can substitute parts be mixed in the same production batch?

A: Yes. All listed substitute parts meet identical electrical specifications, tolerance, power rating, package designation, temperature coefficient, operating temperature range, RoHS compliance, and MSL rating. Parts from different manufacturers can be used interchangeably in the same circuit design and production batch without functional impact.

Q: Is moisture sensitivity level (MSL 1) consistent across all substitute parts?

A: Yes. All parts, including the original RC1608F2553CS and all substitutes, carry MSL 1 (Unlimited) rating. This indicates no moisture sensitivity restrictions for storage, handling, or shelf life. Standard component storage conditions apply to all listed parts.

Q: What compliance certifications apply to all substitute parts?

A: All parts are ROHS3 compliant and REACH unaffected. ECCN classification is EAR99 for all parts. HTSUS code 8533.21.0030 applies uniformly. These regulatory classifications confirm suitability for international distribution and use in regulated markets.

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