RC1005F4993CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F4993CS is a 499 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated at 0.063W (1/16W) power dissipation with moisture resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with 757 units currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or enhanced power ratings.

Key Parameters

Parameter	Value
Resistance	499 kOhms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F4993CS is determined by strict equivalence across the following critical parameters: resistance value (499 kOhms), tolerance (±1%), package format (0402 / 1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Power rating, moisture sensitivity level, and termination count must remain constant or be upgraded. Substitute parts are grouped into three categories:

Direct Equivalents: Parts meeting all electrical and mechanical specifications with identical power ratings (0.063W) and packaging. These include CR0402-FX-4993GLF (Bourns Inc.) and RC0402FR-07499KL (YAGEO).

Upgrade Substitutes: Parts exceeding the original power specification while maintaining all other parameters. ERJ-2RKF4993X (Panasonic Electronic Components) provides 0.1W (1/10W) rating with automotive AEC-Q200 qualification.

Similar Substitutes: Parts with identical electrical specifications but enhanced features such as automotive AEC-Q200 qualification or alternative RoHS compliance status. These include AC0402FR-07499KL (YAGEO), CRCW0402499KFKED (Vishay Dale), CRCW0402499KFKTD (Vishay Dale), and RMCF0402FT499K (Stackpole Electronics Inc.).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	Features	RoHS Status	Inventory (Pcs)
RC1005F4993CS	Samsung Electro-Mechanics	499 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	ROHS3 Compliant	757
CR0402-FX-4993GLF	Bourns Inc.	499 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	—	ROHS3 Compliant	43317
RC0402FR-07499KL	YAGEO	499 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	ROHS3 Compliant	246583
ERJ-2RKF4993X	Panasonic Electronic Components	499 kOhms	±1%	0.1W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3 Compliant	1338821
AC0402FR-07499KL	YAGEO	499 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3 Compliant	46229
CRCW0402499KFKED	Vishay Dale	499 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3 Compliant	544884
CRCW0402499KFKTD	Vishay Dale	499 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	RoHS non-compliant	39485
RMCF0402FT499K	Stackpole Electronics Inc	499 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3 Compliant	90195

Engineering Selection Recommendations

For Direct Replacement: CR0402-FX-4993GLF and RC0402FR-07499KL provide full electrical and mechanical equivalence to RC1005F4993CS. Both maintain ROHS3 compliance and identical power ratings. RC0402FR-07499KL offers superior inventory availability (246583 units) and moisture resistant construction matching the original specification.

For Automotive Applications: AC0402FR-07499KL, CRCW0402499KFKED, and RMCF0402FT499K incorporate AEC-Q200 automotive qualification while maintaining 0.063W power rating and ROHS3 compliance. AC0402FR-07499KL combines automotive qualification with moisture resistant features. CRCW0402499KFKED and RMCF0402FT499K provide alternative automotive-qualified sources with high inventory levels.

For Enhanced Power Margin: ERJ-2RKF4993X upgrades the power rating to 0.1W (1/10W) while preserving all other electrical parameters and adding AEC-Q200 automotive qualification. This part is suitable for applications requiring increased thermal headroom or automotive-grade reliability.

Compliance Consideration: CRCW0402499KFKTD carries RoHS non-compliant and REACH Affected status and should be selected only when legacy compliance requirements apply. All other substitutes maintain ROHS3 compliance and REACH Unaffected status.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-4993GLF directly replace RC1005F4993CS without circuit modification?

A: Yes. CR0402-FX-4993GLF matches all critical electrical parameters (499 kOhms ±1%, 0.063W, ±100ppm/°C, -55°C to 155°C) and package format (0402). Both are ROHS3 compliant with MSL 1 rating. No circuit modification is required.

Q: What is the difference between RC0402FR-07499KL and RC1005F4993CS?

A: Both parts are 499 kOhms ±1% thick film resistors in 0402 package with identical electrical specifications. RC0402FR-07499KL is manufactured by YAGEO and packaged in Cut Tape (CT) & Digi-Reel format, while RC1005F4993CS is Samsung Electro-Mechanics in Tape & Reel format. Electrical performance is equivalent.

Q: When should ERJ-2RKF4993X be selected over the original part?

A: ERJ-2RKF4993X provides 0.1W power rating compared to 0.063W in RC1005F4993CS. Select this upgrade when the application requires higher power dissipation capability or when automotive AEC-Q200 qualification is mandatory. All other electrical parameters remain identical.

Q: Are automotive-qualified substitutes compatible with non-automotive applications?

A: Yes. Automotive-qualified parts such as AC0402FR-07499KL, CRCW0402499KFKED, and RMCF0402FT499K meet or exceed the electrical and reliability specifications of RC1005F4993CS and function in non-automotive circuits. AEC-Q200 qualification represents enhanced screening and reliability testing.

Q: What is the significance of moisture resistant construction in RC1005F4993CS and RC0402FR-07499KL?

A: Moisture resistant thick film construction provides enhanced protection against humidity and environmental stress. This feature is specified in RC1005F4993CS and RC0402FR-07499KL. Parts without this designation (CR0402-FX-4993GLF) use standard thick film construction and may be selected based on application environmental requirements.

Q: Why does CRCW0402499KFKTD show RoHS non-compliant status?

A: CRCW0402499KFKTD carries RoHS non-compliant and REACH Affected designations, indicating it does not meet current RoHS3 requirements. This part should be selected only for legacy applications or regions where RoHS compliance is not mandated. ROHS3-compliant alternatives are available.

Q: Can multiple substitute parts be used interchangeably in the same design?

A: Yes, provided the application requirements align with each part's specifications. Direct equivalents (CR0402-FX-4993GLF, RC0402FR-07499KL) are fully interchangeable. Automotive-qualified variants may be mixed if AEC-Q200 qualification is not a design requirement. The upgrade part ERJ-2RKF4993X is compatible but provides higher power rating.

Q: What packaging format differences exist among these substitutes?

A: RC1005F4993CS and most substitutes are supplied in Tape & Reel (TR) format. RC0402FR-07499KL is available in Cut Tape (CT) & Digi-Reel format. Both formats are standard for 0402 package components and present no electrical or mechanical compatibility issues; selection depends on assembly process requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message