RC5025F4990CS Equivalent & Substitute Parts

Part Overview

The RC5025F4990CS is a 499 Ohm ±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 are necessary when the original manufacturer part becomes unavailable, when design requirements demand higher power ratings, or when specific certifications such as AEC-Q200 automotive qualification are required for application compliance.

Key Parameters

Parameter	Value
Resistance	499 Ohms
Tolerance	±1%
Power Rating	0.667W (2/3W)
Package / Case	2010 (5025 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RC5025F4990CS is determined by the following mandatory parameters:

Resistance Value: Must be 499 Ohms
Tolerance: Must be ±1%
Package / Case: Must be 2010 (5025 Metric)
Composition: Must be Thick Film
Temperature Coefficient: Must be ±100ppm/°C
Operating Temperature Range: Must be -55°C ~ 155°C
Moisture Sensitivity Level: Must be 1 (Unlimited)

All substitute parts listed meet these core electrical and mechanical parameters. Substitute parts are categorized as "Upgrade" when power rating is increased to 0.75W (3/4W) while maintaining all other specifications, and as "Similar" when additional certifications such as AEC-Q200 are present or when product status differs from Active.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	RoHS Status	MSL	Product Status
RC5025F4990CS	Samsung Electro-Mechanics	499 Ω	±1%	0.667W	2010	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
AC2010FK-07499RL	YAGEO	499 Ω	±1%	0.75W	2010	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RC2010FK-07499RL	YAGEO	499 Ω	±1%	0.75W	2010	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CRCW2010499RFKEF	Vishay Dale	499 Ω	±1%	0.75W	2010	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CRCW2010499RFKTF	Vishay Dale	499 Ω	±1%	0.75W	2010	±100ppm/°C	-55°C ~ 155°C	RoHS non-compliant	1	Active
ERJ-12SF4990U	Panasonic Electronic Components	499 Ω	±1%	0.75W	2010	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Not For New Designs
RMCF2010FT499R	Stackpole Electronics Inc	499 Ω	±1%	0.75W	2010	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active

Engineering Selection Recommendations

Preferred Upgrade Substitutes (Active Status, ROHS3 Compliant)

AC2010FK-07499RL and RC2010FK-07499RL from YAGEO are direct upgrades offering increased power rating (0.75W vs 0.667W) while maintaining all electrical specifications and RoHS3 compliance. Both parts are Active status and suitable for new designs.

RMCF2010FT499R from Stackpole Electronics Inc is an Active status substitute with 0.75W power rating and ROHS3 compliance, available in Cut Tape packaging.

CRCW2010499RFKEF from Vishay Dale is an Active status substitute with 0.75W power rating and ROHS3 compliance, suitable for new designs.

Not Recommended for New Designs

CRCW2010499RFKTF carries RoHS non-compliance and REACH Affected status, making it unsuitable for applications requiring regulatory compliance.

ERJ-12SF4990U is classified as Not For New Designs by Panasonic, indicating obsolescence trajectory despite current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can RC5025F4990CS be directly replaced with a 0.75W rated substitute?

A: Yes. All listed substitute parts maintain identical resistance (499 Ohms), tolerance (±1%), package (2010), composition (Thick Film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). The increased power rating (0.75W vs 0.667W) provides design margin and does not create incompatibility. Physical dimensions remain within specification.

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

A: Upgrade substitutes increase power rating from 0.667W to 0.75W while maintaining all other core parameters. Similar substitutes may include additional certifications (AEC-Q200 automotive qualification) or differ in product status classification.

Q: Are all substitute parts RoHS3 compliant?

A: No. CRCW2010499RFKTF is RoHS non-compliant and REACH Affected. All other substitutes listed are ROHS3 compliant and REACH Unaffected.

Q: Which substitute is recommended for automotive applications?

A: AC2010FK-07499RL, CRCW2010499RFKEF, CRCW2010499RFKTF, ERJ-12SF4990U, and RMCF2010FT499R all carry AEC-Q200 automotive qualification. Among these, AC2010FK-07499RL, CRCW2010499RFKEF, and RMCF2010FT499R are recommended due to Active status and RoHS3 compliance.

Q: What packaging formats are available for substitutes?

A: AC2010FK-07499RL, RC2010FK-07499RL, CRCW2010499RFKEF, CRCW2010499RFKTF, and ERJ-12SF4990U are supplied in Tape & Reel (TR) format. RMCF2010FT499R is supplied in Cut Tape (CT) format.

Q: Is the original RC5025F4990CS still in production?

A: Yes. RC5025F4990CS maintains Active product status with 1030 pieces in current inventory stock.

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