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Home Products Resistors Chip Resistor - Surface Mount~~RCV2512499KFKEGAT~~

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RCV2512499KFKEGAT - Vishay Dale

Name: Vishay Dale RCV2512499KFKEGAT
Brand: Vishay Dale
SKU: RCV2512499KFKEGAT
Price: 0.436 USD
Availability: InStock
Rating: 5 (4 reviews)

Manufacturer Part Number: RCV2512499KFKEGAT

Manufacturer: Dale / Vishay

Allelco Part Number: 98D-RCV2512499KFKEGAT

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 3,000 pcs available, New & Original

Parts Description: RCV2512-AT 100 499K 1% E67 E3

Package: 2512

Data sheet: RCV2512499KFKEG.pdf

Datasheets
RCV-AT e3.pdf

HTML Datasheet
RCV-AT e3.pdf

RoHs Status: ROHS3 Compliant

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In stock: 3000

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Specifications

RCV2512499KFKEGAT Tech Specifications
Vishay Dale - RCV2512499KFKEGAT technical specifications, attributes, parameters and parts with similar specifications to Vishay Dale - RCV2512499KFKEGAT

Product Attribute	Attribute Value
Manufacturer	Dale / Vishay
Tolerance	±1%
Temperature Coefficient	±100ppm/°C
Supplier Device Package	2512
Size / Dimension	0.248" L x 0.124" W (6.30mm x 3.15mm)
Series	RCV-AT e3
Resistance	499 kOhms
Ratings	AEC-Q200
Power (Watts)	1W

Product Attribute	Attribute Value
Package / Case	2512 (6432 Metric)
Package	Tape & Reel (TR)
Operating Temperature	-55°C ~ 155°C
Number of Terminations	2
Height - Seated (Max)	0.028" (0.70mm)
Features	Automotive AEC-Q200, High Voltage
Failure Rate	-
Composition	Thick Film

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8533.21.0030

Frequently Asked Questions(FAQ)

What makes the RCV2512499KFKEGAT suitable for automotive high-voltage applications compared to standard thick-film resistors?: The RCV2512499KFKEGAT is qualified to AEC-Q200 automotive reliability standards and combines a 1W power rating with high-voltage thick-film construction in a compact 2512 package. This combination addresses voltage stress environments common in automotive power distribution and signal conditioning circuits. The ±100ppm/°C temperature coefficient and -55°C to 155°C operating range ensure stable performance across underhood thermal cycles, where standard commercial resistors often exhibit drift or failure due to thermal cycling and voltage stress interactions.

How does the 499 kOhms resistance value and 1% tolerance of the RCV2512499KFKEGAT affect bias network design in automotive analog front-ends?: The 499 kOhms value with ±1% tolerance makes the RCV2512499KFKEGAT well-suited for precision biasing in analog-to-digital converter (ADC) input networks where ratiometric accuracy is critical. In a typical 10-bit automotive sensor chain, the ±1% tolerance limits ratiometric error contribution to approximately 2.5 LSB, reducing the need for post-production trimming. The high resistance minimizes power dissipation in voltage divider networks while maintaining noise immunity in electrically noisy automotive environments.

Can the RCV2512499KFKEGAT be used in 48V automotive electrical systems without derating?: The RCV2512499KFKEGAT's thick-film construction and high-voltage qualification support 48V direct applications with minimal derating. In typical 48V circuits, the resistor operates well within its power budget and voltage stress limits. However, transient overvoltage events (load dump, ISO 7637-2 pulse profiles) require circuit-level suppression design; the RCV2512499KFKEGAT alone does not provide fail-safe overvoltage protection. For continuous 48V service with moderate switching transients, no additional derating below the 1W rating is typically necessary.

What is the practical difference between the RCV2512499KFKEGAT and a general-purpose 2512 resistor when selecting for under-hood thermal management?: The RCV2512499KFKEGAT's ±100ppm/°C temperature coefficient and AEC-Q200 qualification ensure predictable resistance change over the full -55°C to 155°C automotive range. A general-purpose 2512 resistor typically exhibits ±250ppm/°C or higher and lacks thermal cycling validation. In a feedback network for a 12V regulator operating from -40°C (cold start) to 130°C (sustained underhood), the RCV2512499KFKEGAT's lower TC reduces output voltage drift to approximately 0.8%, versus 2% or more for unqualified alternatives. This difference is measurable in margin-critical systems.

How does moisture sensitivity level (MSL 1) on the RCV2512499KFKEGAT simplify supply chain and assembly logistics?: MSL 1 rating on the RCV2512499KFKEGAT eliminates moisture bake requirements before reflow soldering and removes shelf-life time restrictions. Components can be stored at room temperature indefinitely without desiccant packs or environmental controls. For automotive contract manufacturers with high-volume production, this reduces process complexity and inventory management overhead compared to MSL 2 or higher components, which require controlled-humidity storage and pre-reflow conditioning.

Why is the 2512 package size (6.30mm x 3.15mm) specified for the RCV2512499KFKEGAT in high-voltage sensing circuits rather than smaller packages?: The 2512 package provides the RCV2512499KFKEGAT with sufficient creepage and clearance geometry to support high-voltage thick-film construction safely. Smaller 1206 or 0805 packages cannot accommodate the internal high-voltage design that meets automotive transient immunity and ESD specifications. The 2512 footprint also provides better thermal coupling to PCB copper, improving heat dissipation in the 1W power class. In sensing circuits near high-voltage rails (e.g., isolated gate drive networks), the package geometry reduces electromagnetic interference susceptibility.

Can the RCV2512499KFKEGAT be substituted with a thin-film resistor of equivalent nominal value and tolerance?: Direct substitution of the RCV2512499KFKEGAT with a thin-film alternative is not recommended without circuit re-qualification. While thin-film resistors often provide superior temperature coefficient (±25ppm/°C or better), they typically lack AEC-Q200 automotive thermal cycling and vibration validation. The RCV2512499KFKEGAT's thick-film construction is specifically validated for mechanical shock, thermal cycling, and sustained high-temperature operation. Additionally, thin-film resistors in equivalent package sizes rarely achieve the 1W power rating, forcing either package upsizing or power derating that negates cost or space benefits.

What soldering process parameters are critical for the RCV2512499KFKEGAT given its high-voltage construction?: Standard lead-free reflow profiles (peak temperature 245–260°C, time above 217°C of 60–90 seconds) are suitable for the RCV2512499KFKEGAT. However, solder joint quality is particularly critical because defects (voids, insufficient wetting) increase contact resistance and localized heating in high-voltage networks. The RCV2512499KFKEGAT benefits from X-ray inspection in production runs where high-voltage noise margins are tight. Avoid excessive wave soldering dwell time on the terminations, as the thick-film construction can degrade under prolonged thermal stress.

How does the RCV2512499KFKEGAT's ±1% tolerance interact with worst-case circuit analysis in safety-critical automotive designs?: In automotive functional safety circuits, the RCV2512499KFKEGAT's ±1% tolerance must be combined with temperature coefficient drift, aging, and load-dependent drift effects in worst-case analysis. Over a 10-year vehicle lifetime at 130°C mean operating temperature, typical thick-film aging contributes ±0.5–1% additional drift. The RCV2512499KFKEGAT's combined tolerance stack (±1% initial ± ~1% aging/TC/load effects) reaches approximately ±2% under realistic conditions. This must be accounted for when designing detection or regulation thresholds; circuits requiring tighter accuracy typically employ trimmer resistors or digital calibration.

What is the effective noise floor contribution of the RCV2512499KFKEGAT in low-level sensor signal conditioning?: The RCV2512499KFKEGAT's thick-film construction generates thermal noise (Johnson noise) at the level of approximately 140 nV/√Hz at room temperature across its 499 kOhms value. In a typical automotive pressure or temperature sensor front-end with 10 kHz bandwidth, this contributes roughly 14 µV RMS noise contribution. While not negligible for 10-bit or higher resolution conditioning, this noise is often dominated by op-amp input-referred noise and sensor noise in practical automotive circuits. The RCV2512499KFKEGAT's noise performance is generally adequate for analog signal chains but should be verified in designs targeting 12-bit resolution or finer.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay Dale RCV2512499KFKEGAT

Product Attribute
Part Number	RCV25124M99FKEGAT	RCV2512499KFKEG	RCV25124M99FKEG	RCV2512750KFKEGAT
Manufacturer	Vishay Dale	Vishay Dale	Vishay Dale	Vishay Dale
Power (Watts)	-	-	-	-
Size / Dimension	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Number of Terminations	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Failure Rate	-	-	-	-
Tolerance	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Composition	-	-	-	-
Series	-	-	-	-
Resistance	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Temperature Coefficient	-	-	-	-
Height - Seated (Max)	-	-	-	-
Ratings	-	-	-	-

RCV2512499KFKEGAT Datasheet PDF

Download RCV2512499KFKEGAT pdf datasheets and Vishay Dale documentation for RCV2512499KFKEGAT - Vishay Dale.

Datasheets: RCV-AT e3.pdf
HTML Datasheet: RCV-AT e3.pdf

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Customer Reviews

Evaluation: 10 Articles

ECUb***h

Sep 22, 2026

Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.
RS48***ieldTech

Sep 16, 2026

Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.
Logi***b_Chris

Sep 8, 2026

Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.
Circ***FixerTom

Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
Nikh***ech

Aug 13, 2026

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

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