ERJ-S1DF4993U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF4993U is a 499 kOhms ±1% 0.75W thick film chip resistor manufactured by Panasonic Electronic Components in the 2010 (5025 Metric) package. This component is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The part is active in production status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and automotive ratings are maintained across alternative manufacturers.

Substiute Parts

ERJ-S1DF4993U

Panasonic Electronic ComponentsIn Stock: 718ERJ-S1DF4993U Datasheet

Current PartRFQ

AC2010FK-07499KL

YAGEOIn Stock: 5804AC2010FK-07499KL Datasheet

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CRCW2010499KFKEF

Vishay DaleIn Stock: 4440CRCW2010499KFKEF Datasheet

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RC2010FK-07499KL

YAGEOIn Stock: 9073RC2010FK-07499KL Datasheet

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RMCF2010FT499K

Stackpole Electronics IncIn Stock: 3347RMCF2010FT499K Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1DF4993U is determined by strict equivalence across the following parameters: resistance value (499 kOhms), tolerance (±1%), power rating (0.75W), package type (2010 / 5025 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (RoHS3, REACH Unaffected, EAR99). All identified substitute parts maintain these core electrical and mechanical specifications. Automotive AEC-Q200 rating is present in the main part and three of four substitutes; one substitute (RC2010FK-07499KL) omits this rating but maintains all other electrical and mechanical parameters. Physical dimensions remain consistent across all parts, with seated height variations within acceptable manufacturing tolerances (0.026" to 0.028").

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain active production status and RoHS3 compliance. Three substitutes (AC2010FK-07499KL, CRCW2010499KFKEF, RMCF2010FT499K) carry AEC-Q200 automotive qualification matching the main part specification. The RC2010FK-07499KL substitute does not include AEC-Q200 rating but meets all electrical and mechanical parameters. Selection between substitutes should be based on application requirements for automotive qualification and inventory availability. All parts are REACH Unaffected and classified under ECCN EAR99 with identical HTSUS coding (8533.21.0030).

Frequently Asked Questions (FAQ)

Q: Can RC2010FK-07499KL be used as a direct substitute for ERJ-S1DF4993U in automotive applications?

A: RC2010FK-07499KL matches all electrical specifications (499 kOhms ±1%, 0.75W, ±100ppm/°C, -55°C ~ 155°C) and mechanical package (2010 / 5025 Metric). However, it does not carry AEC-Q200 automotive qualification. Use only if automotive qualification is not a design requirement.

Q: Are there dimensional compatibility concerns when substituting these parts?

A: All substitute parts use the identical 2010 (5025 Metric) package with dimensions 0.197" L x 0.098" W (5.00mm x 2.50mm). Seated height varies between 0.026" (0.65mm) and 0.028" (0.70mm), which falls within standard manufacturing tolerances and does not affect PCB assembly compatibility.

Q: Which substitute offers the best inventory availability?

A: RC2010FK-07499KL has the highest inventory level at 8,980 pieces. AC2010FK-07499KL follows with 5,710 pieces. CRCW2010499KFKEF has 4,400 pieces, and RMCF2010FT499K has 3,256 pieces.

Q: Do all substitutes maintain the same moisture sensitivity level?

A: Yes. All parts, including the main ERJ-S1DF4993U and all substitutes, are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions.

Q: What is the difference between anti-sulfur and moisture-resistant features?

A: The ERJ-S1DF4993U specifies anti-sulfur construction. AC2010FK-07499KL and RC2010FK-07499KL specify moisture-resistant thick film. Both are thick film compositions with different protective characteristics. CRCW2010499KFKEF and RMCF2010FT499K do not specify these additional features but maintain equivalent electrical performance.