CPF0603F2K05C1 Equivalent & Substitute Parts

Part Overview

The CPF0603F2K05C1 is a 2.05 kOhms ±1% thin film chip resistor manufactured by TE Connectivity Passive Product in the 0603 (1608 Metric) package. This surface-mount device is rated for 0.063W (1/16W) power dissipation with a temperature coefficient of ±50ppm/°C and operates across the -55°C to 155°C temperature range. The component is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and is currently in active production status with 1,772 pieces in stock.

Substitute parts are necessary when the original component becomes unavailable, when design requirements demand enhanced performance specifications, or when application-specific certifications such as automotive AEC-Q200 qualification are required.

Key Parameters

Parameter	Value
Resistance	2.05 kOhms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package	0603 (1608 Metric)
Composition	Thin Film
Temperature Coefficient	±50ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CPF0603F2K05C1 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 2.05 kOhms
Package type: 0603 (1608 Metric)
Composition: Thin Film
Operating temperature range: -55°C to 155°C minimum
RoHS3 compliance
MSL rating: 1 (Unlimited)

Allowable Variations:

Tolerance: ±1% or tighter (±0.1%, ±0.5%)
Power rating: Equal to or greater than 0.063W (1/16W)
Temperature coefficient: ±25ppm/°C or ±50ppm/°C
Manufacturer and series designation
Additional certifications (AEC-Q200, Anti-Sulfur)

All substitute parts listed maintain identical resistance, package, composition, and operating temperature specifications. Variations in tolerance and power rating represent performance enhancements or automotive-grade certifications that do not compromise compatibility with the original design.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temperature Coefficient	Package	Operating Temperature	RoHS Status	MSL	Certifications
CPF0603F2K05C1	TE Connectivity Passive Product	2.05 kOhms	±1%	0.063W	±50ppm/°C	0603	-55°C ~ 155°C	RoHS3	1	None
ERA-3AEB2051V	Panasonic Electronic Components	2.05 kOhms	±0.1%	0.1W	±25ppm/°C	0603	-55°C ~ 155°C	RoHS3	1	AEC-Q200
RG1608P-2051-B-T5	Susumu	2.05 kOhms	±0.1%	0.1W	±25ppm/°C	0603	-55°C ~ 155°C	RoHS3	1	AEC-Q200, Anti-Sulfur
RT0603BRD072K05L	YAGEO	2.05 kOhms	±0.1%	0.1W	±25ppm/°C	0603	-55°C ~ 155°C	RoHS3	1	None
RT0603BRE072K05L	YAGEO	2.05 kOhms	±0.1%	0.1W	±50ppm/°C	0603	-55°C ~ 155°C	RoHS3	1	None
RT0603DRE072K05L	YAGEO	2.05 kOhms	±0.5%	0.1W	±50ppm/°C	0603	-55°C ~ 155°C	RoHS3	1	None
RT0603FRE072K05L	YAGEO	2.05 kOhms	±1%	0.1W	±50ppm/°C	0603	-55°C ~ 155°C	RoHS3	1	None

Engineering Selection Recommendations

Direct Equivalents (Identical Tolerance and Power Rating):

RT0603FRE072K05L from YAGEO matches the original CPF0603F2K05C1 specification with ±1% tolerance and 0.1W power rating. This part provides a functionally equivalent replacement with enhanced power handling capability while maintaining the same tolerance specification. Current inventory of 22,392 units ensures availability.

Enhanced Performance Substitutes (Improved Tolerance):

ERA-3AEB2051V (Panasonic), RG1608P-2051-B-T5 (Susumu), and RT0603BRD072K05L (YAGEO) all provide ±0.1% tolerance with 0.1W power rating. These parts deliver tighter tolerance specifications suitable for precision applications. ERA-3AEB2051V and RG1608P-2051-B-T5 carry AEC-Q200 automotive qualification, with RG1608P-2051-B-T5 additionally featuring anti-sulfur protection for harsh environments.

Tolerance-Matched Alternatives:

RT0603BRE072K05L maintains ±1% tolerance matching the original part while offering 0.1W power rating and ±50ppm/°C temperature coefficient. This option provides direct specification alignment with enhanced power capacity.

Lower Tolerance Substitute:

RT0603DRE072K05L offers ±0.5% tolerance with 0.1W power rating, positioning it between the original ±1% specification and the ±0.1% premium options.

All substitute parts maintain RoHS3 compliance, MSL 1 rating, and the -55°C to 155°C operating temperature range required for compatibility with the original design.

Frequently Asked Questions (FAQ)

Q: Can RT0603FRE072K05L be used as a direct replacement for CPF0603F2K05C1?

A: Yes. RT0603FRE072K05L is a direct equivalent with matching ±1% tolerance and identical 2.05 kOhms resistance value in the 0603 package. The increased power rating from 0.063W to 0.1W provides additional thermal margin without affecting circuit performance.

Q: What is the difference between the ±0.1% tolerance substitutes and the original ±1% part?

A: The ±0.1% tolerance substitutes (ERA-3AEB2051V, RG1608P-2051-B-T5, RT0603BRD072K05L) provide tighter resistance tolerance, resulting in more precise resistance values. This is beneficial for precision analog circuits, measurement applications, and high-accuracy signal conditioning. The original ±1% tolerance is adequate for general-purpose applications.

Q: Are the YAGEO RT series parts compatible with the original TE Connectivity part?

A: Yes. All YAGEO RT series substitutes maintain the same 0603 package, 2.05 kOhms resistance, operating temperature range, and RoHS3 compliance. Differences exist only in tolerance and power rating specifications, which represent enhancements rather than incompatibilities.

Q: What does AEC-Q200 certification mean for automotive applications?

A: AEC-Q200 is an automotive industry qualification standard for passive components. ERA-3AEB2051V and RG1608P-2051-B-T5 carry this certification, indicating they meet automotive reliability and performance requirements. These parts are suitable for automotive-grade designs requiring enhanced quality assurance.

Q: Can I use a ±0.5% tolerance part where ±1% is specified?

A: Yes. RT0603DRE072K05L with ±0.5% tolerance is a valid substitute for applications originally specified with ±1% tolerance. Tighter tolerance represents improved performance and does not create incompatibility.

Q: What is the significance of the anti-sulfur feature in RG1608P-2051-B-T5?

A: The anti-sulfur feature protects the resistor from sulfur-containing atmospheric contaminants that can degrade component performance in harsh industrial or marine environments. This feature is beneficial for applications exposed to corrosive atmospheres but is not required for standard indoor applications.

Q: Do all substitute parts have the same physical dimensions?

A: All substitute parts use the 0603 (1608 Metric) package with identical length and width (0.063" L x 0.031" W / 1.60mm x 0.80mm). Height variations are minimal (0.020" to 0.022" seated height), ensuring compatibility with standard PCB layouts and pick-and-place equipment.

Q: Is inventory availability a factor in selecting a substitute?

A: Inventory levels vary among substitutes. RT0603FRE072K05L has the highest inventory (22,392 units), followed by ERA-3AEB2051V (29,591 units). Availability should be considered for high-volume production requirements, though all listed parts are currently in stock.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message