RC5025F103CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F103CS is a 10 kOhm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 2010 (5025 Metric) package format with 0.667W power rating. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Substitute parts become necessary when the original manufacturer part experiences supply constraints, inventory depletion, or when design requirements call for enhanced power handling or automotive-grade certifications. The substitute parts listed maintain electrical equivalence through identical resistance value, tolerance, package dimensions, and operating temperature range while offering alternative sourcing options and in some cases upgraded specifications.

Key Parameters

Parameter	Value	Specification Basis
Resistance	10 kOhms	Exact match required for electrical equivalence
Tolerance	±1%	Precision specification; substitutes must match
Power Rating	0.667W minimum (2/3W)	Substitutes rated 0.75W (3/4W) or higher are acceptable
Package / Case	2010 (5025 Metric)	Physical footprint and land pattern compatibility
Composition	Thick Film	Technology type; all substitutes use thick film
Temperature Coefficient	±100ppm/°C	Thermal stability specification
Operating Temperature Range	-55°C to +155°C	Environmental operating limits
Terminations	2	Standard two-terminal configuration
RoHS Status	ROHS3 Compliant	Regulatory compliance requirement
MSL Rating	1 (Unlimited)	Moisture sensitivity; all substitutes rated MSL 1

Substitute Part Grouping Explanation

Substitution logic for the RC5025F103CS is based on the following criteria:

Electrical Parameters (Non-negotiable):

Resistance value: 10 kOhms
Tolerance: ±1%
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to +155°C

Mechanical Parameters (Non-negotiable):

Package type: 2010 (5025 Metric)
Number of terminations: 2
Composition: Thick film

Power Rating (Upgradeable):

Original specification: 0.667W (2/3W)
Acceptable substitutes: 0.75W (3/4W) or higher
Higher power ratings provide design margin without affecting electrical performance

Compliance Parameters:

RoHS3 compliance required for most applications
MSL 1 rating maintained across all substitutes
REACH status noted for regulatory tracking

All substitute parts listed meet or exceed these criteria. Upgrade parts (AC2010FK-0710KL and RC2010FK-0710KL) provide increased power handling at 0.75W. Similar parts (CRCW201010K0FKEF, CRCW201010K0FKTF, ERJ-12SF1002U, RMCF2010FT10K0) offer automotive AEC-Q200 certification with 0.75W power rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Op Temp Range	Package	Size (mm)	Height Max (mm)	RoHS Status	AEC-Q200	Product Status
RC5025F103CS	Samsung Electro-Mechanics	10 kΩ	±1%	0.667	±100ppm/°C	-55 to +155°C	2010	5.00 x 2.50	0.66	ROHS3	No	Active
AC2010FK-0710KL	YAGEO	10 kΩ	±1%	0.75	±100ppm/°C	-55 to +155°C	2010	5.00 x 2.50	0.65	ROHS3	Yes	Active
RC2010FK-0710KL	YAGEO	10 kΩ	±1%	0.75	±100ppm/°C	-55 to +155°C	2010	5.00 x 2.50	0.65	ROHS3	No	Active
CRCW201010K0FKEF	Vishay Dale	10 kΩ	±1%	0.75	±100ppm/°C	-55 to +155°C	2010	5.00 x 2.50	0.70	ROHS3	Yes	Active
CRCW201010K0FKTF	Vishay Dale	10 kΩ	±1%	0.75	±100ppm/°C	-55 to +155°C	2010	5.00 x 2.50	0.70	RoHS NC	Yes	Active
ERJ-12SF1002U	Panasonic Electronic Components	10 kΩ	±1%	0.75	±100ppm/°C	-55 to +155°C	2010	5.00 x 2.50	0.70	ROHS3	Yes	Not For New Designs
RMCF2010FT10K0	Stackpole Electronics Inc	10 kΩ	±1%	0.75	±100ppm/°C	-55 to +155°C	2010	5.00 x 2.50	0.70	ROHS3	Yes	Active

Engineering Selection Recommendations

For Standard Applications (Non-Automotive):

RC2010FK-0710KL (YAGEO) is the primary upgrade substitute. It maintains RoHS3 compliance, provides increased power margin at 0.75W, and is actively produced. This part is suitable for general industrial and consumer applications where automotive certification is not required.

For Automotive Applications (AEC-Q200 Required):

RMCF2010FT10K0 (Stackpole Electronics Inc) is the recommended selection. It carries AEC-Q200 automotive qualification, maintains ROHS3 compliance, offers the highest inventory availability (105,925 pcs), and is in Active product status. This part is suitable for automotive-grade circuit designs.

Alternative automotive-qualified options include CRCW201010K0FKEF (Vishay Dale) with 33,300 pcs inventory, or AC2010FK-0710KL (YAGEO) with 6,416 pcs inventory.

Parts to Avoid for New Designs:

ERJ-12SF1002U (Panasonic) carries "Not For New Designs" product status and should not be selected for new circuit development, despite meeting electrical and mechanical specifications.

CRCW201010K0FKTF (Vishay Dale) is RoHS non-compliant and REACH-affected, making it unsuitable for applications requiring regulatory compliance.

Inventory Considerations:

RMCF2010FT10K0 offers the largest available inventory (105,925 pcs), followed by CRCW201010K0FKEF (33,300 pcs). The original RC5025F103CS has 872 pcs available.

Frequently Asked Questions (FAQ)

Q: Can I use a 0.75W (3/4W) rated resistor as a substitute for the 0.667W (2/3W) original part?

A: Yes. The 0.75W rating exceeds the original 0.667W specification, providing additional thermal margin. All electrical parameters remain identical. This is an acceptable upgrade substitution.

Q: Are all substitute parts physically compatible with the original PCB footprint?

A: Yes. All substitute parts use the 2010 (5025 Metric) package with identical land pattern dimensions (5.00mm x 2.50mm). Height variations (0.65mm to 0.70mm maximum seated height) are within standard PCB assembly tolerances and do not affect compatibility.

Q: What is the difference between "Upgrade" and "Similar" substitute classifications?

A: Upgrade parts (AC2010FK-0710KL, RC2010FK-0710KL) provide increased power rating (0.75W vs 0.667W) while maintaining all other specifications. Similar parts (CRCW201010K0FKEF, CRCW201010K0FKTF, ERJ-12SF1002U, RMCF2010FT10K0) match or exceed all specifications and typically add automotive AEC-Q200 certification.

Q: Which substitute part should I select for automotive applications?

A: RMCF2010FT10K0 (Stackpole Electronics Inc) is the primary recommendation for automotive designs. It carries AEC-Q200 qualification, maintains ROHS3 compliance, and has the highest inventory availability. Alternative automotive-qualified options are CRCW201010K0FKEF and AC2010FK-0710KL.

Q: Is RoHS3 compliance maintained across all substitute parts?

A: RoHS3 compliance is maintained in most substitutes (RC2010FK-0710KL, CRCW201010K0FKEF, ERJ-12SF1002U, RMCF2010FT10K0). CRCW201010K0FKTF is RoHS non-compliant and should not be used in applications requiring regulatory compliance.

Q: What does "Not For New Designs" product status mean?

A: This designation indicates the part is in end-of-life phase and is not recommended for new circuit development. While ERJ-12SF1002U meets all electrical and mechanical specifications, it should be avoided in favor of Active-status alternatives.

Q: Can I mix different substitute parts in the same production run?

A: All substitute parts are electrically and mechanically equivalent within the specified parameters. However, mixing manufacturers in the same production run may introduce procurement complexity. Standardizing on a single substitute part (such as RMCF2010FT10K0) is recommended for manufacturing consistency.

Q: What is the temperature coefficient specification and why does it matter?

A: The ±100ppm/°C temperature coefficient indicates the resistor's resistance value changes by 100 parts per million for each degree Celsius change in operating temperature. All listed substitutes maintain this specification, ensuring consistent circuit performance across the -55°C to +155°C operating range.

Q: Are there any REACH or ECCN compliance differences between substitutes?

A: All substitute parts carry ECCN classification EAR99 and HTSUS code 8533.21.0030. Most are REACH Unaffected. CRCW201010K0FKTF is REACH Affected, which may require additional documentation for certain export destinations.

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