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CRCW0805511RFKTA
Vishay Dale
RES SMD 511 OHM 1% 1/8W 0805
5266 Pcs New Original In Stock
511 Ohms ±1% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film
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5.0 / 5.0
- (282 Ratings)
CRCW0805511RFKTA
Product Overview
1140408
DiGi Electronics Part Number
CRCW0805511RFKTA-DGManufacturer
Vishay Dale
CRCW0805511RFKTA
Description
RES SMD 511 OHM 1% 1/8W 0805Inventory
5266 Pcs New Original In Stock
511 Ohms ±1% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film
Quantity
Minimum 1
Minimum 1
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CRCW0805511RFKTA Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Tape & Reel (TR)
Series
CRCW
Product Status
Active
Resistance
511 Ohms
Tolerance
±1%
Power (Watts)
0.125W, 1/8W
Composition
Thick Film
Features
Automotive AEC-Q200
Temperature Coefficient
±100ppm/°C
Operating Temperature
-55°C ~ 155°C
Package / Case
0805 (2012 Metric)
Supplier Device Package
0805
Ratings
AEC-Q200
Size / Dimension
0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)
0.020" (0.50mm)
Number of Terminations
2
Failure Rate
-
Base Product Number
CRCW0805
Datasheet & Documents
HTML Datasheet
CRCW0805511RFKTA-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Affected
ECCN
EAR99
HTSUS
8533.21.0030
Additional Information
Other Names
541-CRCW0805511RFKTADKR
541-CRCW0805511RFKTATR
CRCW08055110FRT1
541-CRCW0805511RFKTACT
CRCW0805 100 511R 1% RT1
CRCW0805511RFKTA-DG
Standard Package
5,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
La gestion de la livraison a été très organisée, mon colis est arrivé très rapidement, sans aucune problématique.
грудня 02, 2025
Die Verfügbarkeit der Produkte bei DiGi Electronics ist beeindruckend. Das sorgt für eine reibungslose Projektumsetzung.
грудня 02, 2025
They shipped my order within the same day, and it arrived in excellent condition.
грудня 02, 2025
Outstanding quality that truly lasts, with quick delivery that kept me excited.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the CRCW0805511RFKTA in high-vibration automotive applications, and how does its AEC-Q200 qualification mitigate them?
The CRCW0805511RFKTA is qualified to AEC-Q200, which includes rigorous testing for mechanical stress, thermal shock, and humidity resistance—critical for under-hood or chassis-mounted electronics. However, even with this certification, long-term exposure to high-frequency vibration can cause solder joint fatigue or microcracks in the thick film element. To mitigate risk, ensure proper PCB pad design (symmetrical, adequate solder fillets), use conformal coating if specified by the system-level environmental requirements, and avoid mounting near resonant structures. The 0805 package offers better mechanical stability than smaller form factors like 0603, but strain relief through layout symmetry remains essential.
Can I replace the CRCW0805511RFKTA with a standard commercial-grade 0805 resistor like the Yageo RC0805FR-07511RL in an automotive infotainment module?
No—direct replacement is not recommended. While the Yageo RC0805FR-07511RL shares similar nominal resistance (511Ω), tolerance (±1%), and package size (0805), it lacks AEC-Q200 qualification and may not meet automotive-grade temperature cycling, moisture sensitivity, or long-term drift specifications. The CRCW0805511RFKTA is validated for -55°C to +155°C operation and undergoes extended reliability testing required for automotive environments. Substituting with a commercial-grade part risks premature failure in extreme temperatures or high-humidity conditions, potentially violating functional safety or warranty requirements in vehicle systems.
How does the ±100ppm/°C temperature coefficient of the CRCW0805511RFKTA impact precision current sensing in engine control units, and what layout practices minimize thermal errors?
In precision current-sensing circuits (e.g., shunt resistors in ECUs), the ±100ppm/°C TCR of the CRCW0805511RFKTA can introduce measurable error over its full operating range—up to ±1.5% resistance shift from -55°C to +155°C. While acceptable for many power monitoring tasks, this may exceed limits in high-accuracy fuel or emission control loops. Mitigate this by placing the resistor away from heat sources (e.g., power MOSFETs), using thermal vias to stabilize local temperature, and selecting a Kelvin-sense layout if feasible. For tighter stability, consider switching to a metal foil or thin-film automotive-grade alternative, though at higher cost and potentially larger footprint.
Is the CRCW0805511RFKTA suitable for use in battery management systems (BMS) where long-term drift and solder joint integrity are critical over 10+ years?
Yes, but with caveats. The CRCW0805511RFKTA’s AEC-Q200 rating ensures baseline reliability, and its thick-film construction offers good long-term stability under normal conditions. However, in BMS applications experiencing frequent thermal cycling (e.g., electric vehicles in varying climates), solder joint degradation remains a latent failure mode. To enhance longevity, use SAC305 or higher-reliability solder alloys, implement symmetrical pad geometries to reduce shear stress, and consider underfill or conformal coating if the BMS is exposed to condensation or salt spray. Regular design validation via thermal cycle testing (-40°C to +125°C, 1,000+ cycles) is advised to confirm field suitability.
Why is the CRCW0805511RFKTA marked as RoHS non-compliant, and what implications does this have for modern automotive PCB assembly processes?
The CRCW0805511RFKTA is RoHS non-compliant because it likely contains lead in the termination plating or resistor film—common in older thick-film formulations designed before full RoHS adoption in automotive. While exempt under certain automotive RoHS directives (e.g., EU Directive 2011/65/EU, Annex III, exemption 6c for lead in certain alloys), this restricts its use in regions or OEMs mandating full lead-free assembly. If your production line is configured for lead-free reflow profiles (peak ~260°C), verify compatibility with the resistor’s solderability specs. Mixing leaded and lead-free components requires careful process control to avoid tombstoning or voiding. For new designs targeting global markets, evaluate lead-free AEC-Q200 alternatives like Vishay’s CRCW-HP series to future-proof compliance.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
CRCW0805511RFKTA CAD Models
Vishay Dale CRCW0805511RFKTA PCB symbols & footprints
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