RC5025F4993CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F4993CS is a 499 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 2010 (5025 Metric) package format. This component is rated for 0.667W (2/3W) continuous 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 ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and environmental ratings to support component procurement flexibility and supply chain continuity.

Substiute Parts

RC5025F4993CS

Samsung Electro-MechanicsIn Stock: 1024RC5025F4993CS Datasheet

Current PartRFQ

AC2010FK-07499KL

YAGEOIn Stock: 5804AC2010FK-07499KL Datasheet

UpgradeRFQ

RC2010FK-07499KL

YAGEOIn Stock: 9073RC2010FK-07499KL Datasheet

UpgradeRFQ

CRCW2010499KFKEF

Vishay DaleIn Stock: 4440CRCW2010499KFKEF Datasheet

SimilarRFQ

RMCF2010FT499K

Stackpole Electronics IncIn Stock: 3347RMCF2010FT499K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F4993CS are classified into two categories based on electrical and mechanical compatibility:

Upgrade Substitutes (Higher Power Rating):

• AC2010FK-07499KL (YAGEO)
• RC2010FK-07499KL (YAGEO)

These parts maintain identical resistance (499 kOhms), tolerance (±1%), package format (2010/5025 Metric), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). The primary difference is increased power rating of 0.75W (3/4W) compared to the original 0.667W (2/3W), providing enhanced thermal headroom in applications. Both retain moisture-resistant thick film construction and ROHS3 compliance.

Similar Substitutes (Automotive-Qualified, Higher Power Rating):

• CRCW2010499KFKEF (Vishay Dale)
• RMCF2010FT499K (Stackpole Electronics Inc)

These parts match all core electrical parameters and package specifications while adding AEC-Q200 automotive qualification. Power rating is increased to 0.75W (3/4W). Both maintain ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, thick film composition, and ROHS3 compliance.

Substitution Criteria:

• Resistance value: 499 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 2010 (5025 Metric) (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature: -55°C to 155°C (exact match required)
• Composition: Thick Film (exact match required)
• Moisture Resistance: Required for all substitutes
• Power Rating: Minimum 0.667W (upgrades to 0.75W acceptable)

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Non-Automotive Applications): RC2010FK-07499KL (YAGEO) is the primary upgrade substitute. This part maintains all electrical and thermal specifications of the original RC5025F4993CS while providing increased power dissipation capability (0.75W vs. 0.667W). Both components share identical package dimensions, temperature characteristics, and compliance certifications. The upgrade in power rating provides additional design margin without introducing compatibility concerns.

For Automotive Applications: AC2010FK-07499KL (YAGEO) or CRCW2010499KFKEF (Vishay Dale) are suitable when AEC-Q200 automotive qualification is required. Both parts meet all electrical specifications and add automotive-grade reliability certification. AC2010FK-07499KL includes moisture-resistant construction matching the original specification, while CRCW2010499KFKEF does not specify moisture resistance as a feature.

For High-Reliability Industrial Applications: RMCF2010FT499K (Stackpole Electronics Inc) provides AEC-Q200 qualification with increased power rating. This part is suitable for applications requiring automotive-grade component reliability in industrial environments.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, ensuring compatibility with standard manufacturing and storage protocols. No additional handling or environmental controls are required beyond those specified for the original component.

Frequently Asked Questions (FAQ)

Q: Can RC2010FK-07499KL replace RC5025F4993CS in existing designs without modification?

A: Yes. RC2010FK-07499KL is electrically and mechanically compatible. Both components have identical resistance (499 kOhms), tolerance (±1%), package format (2010/5025 Metric), and operating temperature range (-55°C to 155°C). The increased power rating (0.75W vs. 0.667W) provides additional thermal capacity and does not create compatibility issues.

Q: What is the difference between upgrade and similar substitutes?

A: Upgrade substitutes (AC2010FK-07499KL and RC2010FK-07499KL) provide higher power ratings while maintaining all other specifications. Similar substitutes (CRCW2010499KFKEF and RMCF2010FT499K) add AEC-Q200 automotive qualification in addition to higher power ratings. Selection depends on application requirements and compliance certifications needed.

Q: Are all substitute parts available in the same packaging format as the original?

A: No. The original RC5025F4993CS is supplied in bulk packaging. All substitute parts are supplied in Tape & Reel (TR) format. This difference affects procurement and assembly processes but does not impact electrical or mechanical compatibility.

Q: Does the increased power rating of substitute parts affect circuit performance?

A: No. Power rating is a thermal specification indicating maximum continuous power dissipation capability. Increased power rating does not alter electrical behavior, resistance value, or tolerance. The component will function identically in the circuit while operating at lower junction temperatures.

Q: Which substitute should be selected for automotive applications?

A: AC2010FK-07499KL or CRCW2010499KFKEF are appropriate for automotive applications. Both carry AEC-Q200 qualification. AC2010FK-07499KL explicitly includes moisture-resistant construction. CRCW2010499KFKEF does not specify moisture resistance as a feature. Selection should be based on specific application moisture exposure requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance, matching the environmental certification of the original RC5025F4993CS.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. The component can be stored and handled under standard conditions without special environmental controls. All listed parts maintain this rating.

Q: Can RMCF2010FT499K be used in non-automotive applications?

A: Yes. RMCF2010FT499K meets all electrical and mechanical specifications for the RC5025F4993CS. AEC-Q200 automotive qualification is an additional feature that does not restrict use in non-automotive applications. The part is suitable for any application requiring 499 kOhms ±1% in 2010 package format.