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HomeProductsResistorsChip Resistor - Surface MountAT0805BRD0780R6L
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AT0805BRD0780R6L - YAGEO

Manufacturer Part Number
AT0805BRD0780R6L
Manufacturer
Yageo
Allelco Part Number
98D-AT0805BRD0780R6L
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
46,050 pcs available, New & Original
Parts Description
RES SMD 80.6 OHM 0.1% 1/8W 0805
Package
0805
Data sheet
AT0805BRD0780R6.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 46050
  • Unit Price: $0.164
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.164 $0.16
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AT0805BRD0780R6L Tech Specifications
YAGEO - AT0805BRD0780R6L technical specifications, attributes, parameters and parts with similar specifications to YAGEO - AT0805BRD0780R6L

Product Attribute Attribute Value
Manufacturer Yageo
Tolerance ±0.1%
Temperature Coefficient ±25ppm/°C
Supplier Device Package 0805
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm)
Series AT
Resistance 80.6 Ohms
Ratings AEC-Q200
Power (Watts) 0.125W, 1/8W
Product Attribute Attribute Value
Package / Case 0805 (2012 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 155°C
Number of Terminations 2
Height - Seated (Max) 0.024" (0.60mm)
Features Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant
Failure Rate -
Composition Thin 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 AT0805BRD0780R6L suitable for automotive applications compared to standard 0805 resistors?
The AT0805BRD0780R6L is specifically rated to AEC-Q200 automotive standards, which ensures it meets stringent reliability and performance requirements for vehicle electronics. Beyond basic electrical specs, the AEC-Q200 qualification of the AT0805BRD0780R6L mandates validated performance across extended temperature cycles, thermal shock conditions, and vibration stress typical in automotive environments. The thin-film construction combined with anti-sulfur coating on the AT0805BRD0780R6L provides additional protection against corrosion from sulfur-bearing contaminants in potted modules or humid engine compartments, extending field reliability in high-stress locations.
How does the ±0.1% tolerance of the AT0805BRD0780R6L affect precision circuit design versus ±1% alternatives?
The AT0805BRD0780R6L's ±0.1% tolerance delivers 10× tighter resistance control than standard ±1% 0805 chip resistors, translating to predictable voltage divider ratios and gain-setting networks with minimal production spread. For an 80.6 Ohm resistor, the AT0805BRD0780R6L tolerance band spans ±0.0806 Ohms, enabling designers to achieve stable sensor signal conditioning or precision current sensing circuits without individual part selection or in-circuit calibration. In high-volume applications like battery management systems or power monitoring where cumulative tolerance stack affects overall system accuracy, the AT0805BRD0780R6L reduces calibration cost and improves first-pass yield compared to ±1% alternatives.
Can the AT0805BRD0780R6L handle continuous operation at its maximum 155°C rating without derating?
The AT0805BRD0780R6L is rated for 0.125W (1/8W) across its full -55°C to 155°C operating range without power derating, meaning the component can safely dissipate 125mW even at the upper temperature extreme. However, real-world PCB thermal environments rarely achieve uniform component temperatures; localized heating from power stages or confined potting compounds may cause the AT0805BRD0780R6L to exceed ambient by 20–40°C. Conservative designs typically derate to 70–80% of maximum power when the AT0805BRD0780R6L operates near 155°C to account for transient power spikes and thermal lag, particularly in battery-powered automotive modules where thermal mass is minimal.
What is the temperature coefficient impact of the AT0805BRD0780R6L over a typical automotive operating range?
The AT0805BRD0780R6L exhibits ±25ppm/°C drift, meaning over a 100°C temperature swing (from -55°C to 45°C ambient), the actual resistance changes by approximately ±0.25% relative to its 80.6 Ohm nominal value. For precision circuits, this ±0.25% drift across automotive temperature extremes compounds with the ±0.1% initial tolerance of the AT0805BRD0780R6L, resulting in a realistic ±0.35% total accuracy band during field operation. Applications such as temperature-compensated current mirrors or ratiometric sensor interfaces requiring stability to better than ±0.5% must either incorporate active compensation or accept that the AT0805BRD0780R6L contributes a significant portion of system temperature error budget.
How do thin-film resistors in the AT0805BRD0780R6L compare to thick-film 0805 resistors for frequency response in analog signal chains?
Thin-film construction of the AT0805BRD0780R6L provides flatter frequency response and lower parasitic inductance than thick-film equivalents due to more uniform current distribution and reduced dielectric loss in the resistive film. The AT0805BRD0780R6L maintains stable impedance through the audio band (20Hz–20kHz) and into the low-MHz range, making it preferable for precision analog signal conditioning, instrumentation amplifier gain networks, and class-D audio filter circuits. Thick-film 0805 alternatives exhibit measurable impedance rise above 100kHz due to distributed inductance, whereas the AT0805BRD0780R6L's thin-film construction suppresses this effect, reducing measurement errors in high-speed data acquisition interfaces and precision AC bridges.
Is the AT0805BRD0780R6L compatible with standard 0805 pick-and-place assembly workflows?
Yes, the AT0805BRD0780R6L conforms to standard 0805 (2012 Metric) package dimensions of 2.00mm × 1.25mm with a maximum seated height of 0.60mm, ensuring compatibility with conventional SMD placement equipment, reflow profiles, and PCB panelization. The Tape & Reel (TR) packaging of the AT0805BRD0780R6L matches industry-standard 8mm tape format, integrating seamlessly into automated pick-and-place feeders without custom tooling. MSL rating of 1 (Unlimited) on the AT0805BRD0780R6L means no moisture baking is required before reflow, reducing assembly lead time and lowering logistics handling risk compared to MSL-sensitive components.
What is the practical noise performance of the AT0805BRD0780R6L in transimpedance amplifier frontends?
Thin-film resistors like the AT0805BRD0780R6L exhibit lower 1/f (flicker) noise than carbon-film alternatives, with typical voltage noise density around 50–80nV/√Hz at 1kHz. For a 80.6 Ohm transimpedance element in optical receiver circuits, this translates to input-referred current noise of approximately 0.6–1.0pA/√Hz, allowing the AT0805BRD0780R6L to support megahertz-speed photodiode preamplifiers with noise figures below 1000 electrons RMS. In lower-bandwidth sensor interfaces (sub-10kHz), the AT0805BRD0780R6L's noise contribution is negligible compared to operational amplifier input noise; however, in high-speed instrumentation or precision lock-in detector applications, the thin-film noise profile of the AT0805BRD0780R6L justifies selection over general-purpose thick-film alternatives.
How does the anti-sulfur coating of the AT0805BRD0780R6L prevent long-term reliability drift in corrosive environments?
Sulfur compounds from flux residues, potting materials, or industrial atmospheres can diffuse into uncoated resistor terminations, forming high-resistance sulfide layers that increase contact resistance and introduce intermittent connection failures. The anti-sulfur coating on the AT0805BRD0780R6L creates a barrier layer that prevents sulfur migration to the solder interface and resistor body, maintaining stable contact resistance throughout the component's service life. In automotive modules exposed to engine compartment humidity and thermal cycling, the AT0805BRD0780R6L's coating extends time-to-failure by an order of magnitude compared to uncoated alternatives, reducing field warranty returns in high-reliability applications such as battery management systems and powertrain controllers.
What substitutes can replace the AT0805BRD0780R6L in existing designs, and what trade-offs apply?
Direct alternatives to the AT0805BRD0780R6L include the ERA-6AEB80R6V (Panasonic), RT0805BRD0780R6L (Rohm), and RN732 series variants (Vishay). The ERA-6AEB80R6V matches tolerance and temperature coefficient specifications but lacks explicit AEC-Q200 rating and anti-sulfur coating, making it suitable for non-automotive precision applications. The RT0805BRD0780R6L provides equivalent automotive qualification and thin-film performance. The RN732ATTD80R6F25 and RN732ATTD80R6D25 variants offer higher precision (±0.05%) and lower temperature drift (±10ppm/°C) at increased cost, suitable only if system design requires sub-0.1% accuracy. Designs already qualified to the AT0805BRD0780R6L should not substitute without electrical re-validation, as noise performance, frequency response, and thermal behavior vary across manufacturers.
What is the RoHS and REACH compliance status of the AT0805BRD0780R6L for regulated supply chains?
The AT0805BRD0780R6L is RoHS3 compliant, confirming absence of lead, cadmium, mercury, hexavalent chromium, and restricted phthalate/polybrominated flame retardants in accordance with EU Directive 2011/65/EU. REACH status of 'Unaffected' indicates the AT0805BRD0780R6L does not contain substances of very high concern (SVHC) on the candidate list, eliminating notification and authorization requirements for EU-bound shipments. The ECCN classification (EAR99) and HTSUS code (8533.21.0030) simplify export compliance documentation for the AT0805BRD0780R6L across most jurisdictions, reducing supply chain administration overhead in multi-region automotive manufacturing.
How does moisture sensitivity level 1 (MSL-1) on the AT0805BRD0780R6L reduce assembly complexity?
MSL-1 (Unlimited) rating on the AT0805BRD0780R6L eliminates moisture baking requirements before soldering, allowing indefinite shelf life at standard warehouse conditions (23°C, 50% RH). In contrast, MSL-3 and MSL-4 components require 24–168 hour bake cycles to drive off absorbed moisture before reflow, preventing solder joint delamination and internal cracking. The AT0805BRD0780R6L's MSL-1 status simplifies just-in-time inventory logistics, reduces component handling costs, and accelerates production ramp where moisture control is operationally complex. For contract manufacturers serving multiple customer schedules, the AT0805BRD0780R6L's unlimited storage eliminates bake-cycle scheduling bottlenecks, improving overall manufacturing throughput.
What power dissipation calculations should be applied when the AT0805BRD0780R6L carries DC bias plus AC ripple current?
The AT0805BRD0780R6L is rated for 0.125W average dissipation; however, RMS current must account for both DC and AC components. If the AT0805BRD0780R6L carries 1.0A DC bias plus ±0.1A AC ripple (e.g., in a switched-mode power supply current-sense network), the RMS current is √(1.0² + 0.1²/2) ≈ 1.0035A, dissipating (1.0035)² × 80.6 ≈ 81.2mW, leaving approximately 44mW margin to 125mW maximum. The AT0805BRD0780R6L's thin-film construction provides good thermal coupling to the PCB, but local copper pour thickness and adjacent high-power components significantly affect junction temperature rise. Conservative designs with the AT0805BRD0780R6L should verify thermal modeling with 2oz+ copper weight and limit steady-state dissipation to 60–70mW in dense assembly layouts where ambient PCB temperature may exceed 50°C.
Does the AT0805BRD0780R6L require derate curves at elevated operating temperatures beyond the datasheet specifications?
The AT0805BRD0780R6L datasheet typically specifies 0.125W at up to 70°C ambient without explicit power derating. Above 70°C, conservative design practice applies linear or non-linear derating to account for reduced thermal conductivity in the package and PCB substrate. At 155°C junction temperature with thermal resistance of approximately 350K/W (typical for 0805 thin-film on standard PCB), a 0.125W resistor may exhibit 5–10% resistance drift and increased noise. The AT0805BRD0780R6L should be derated to 60–80mW continuous dissipation when operating above 120°C ambient to maintain long-term stability and avoid accelerated wear-out in automotive engine compartment or potted module applications.
How does the AT0805BRD0780R6L's thin-film construction affect solderability and long-term solder joint reliability?
Thin-film resistors including the AT0805BRD0780R6L feature nickel-chromium or tantalum-nitride film with plated terminations that exhibit excellent wettability with lead-free solder systems (SAC305, SAC405). The AT0805BRD0780R6L's anti-sulfur coating enhances solder joint integrity by preventing termination corrosion during storage and reflow, maintaining reliable electrical contact. Over extended thermal cycling typical in automotive powertrains (-40°C to +125°C, 500+ cycles), the AT0805BRD0780R6L maintains solder joint pull strength and electrical continuity better than thick-film alternatives due to lower CTE mismatch and superior thermal fatigue resistance. Mechanical stress relief in the AT0805BRD0780R6L's termination design reduces whisker formation risk compared to pure tin coatings, supporting military-grade reliability requirements in battery management and motor control applications.

Parts with Similar Specifications

The three parts on the right have similar specifications to YAGEO AT0805BRD0780R6L

Product Attribute AT0805BRD07806RL AT0805BRD0780K6L AT0805BRD07806KL AT0805BRD07820RL
Part Number AT0805BRD07806RL AT0805BRD0780K6L AT0805BRD07806KL AT0805BRD07820RL
Manufacturer YAGEO YAGEO YAGEO YAGEO
Failure Rate - - - -
Temperature Coefficient - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Ratings - - - -
Size / Dimension - - - -
Height - Seated (Max) - - - -
Tolerance - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Resistance - - - -
Composition - - - -
Number of Terminations - - - -
Power (Watts) - - - -
Features - - - Simultaneous Sampling

AT0805BRD0780R6L Datasheet PDF

Download AT0805BRD0780R6L pdf datasheets and YAGEO documentation for AT0805BRD0780R6L - YAGEO.

Datasheets
AT Series, Automotive.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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AT0805BRD0780R6L Image

AT0805BRD0780R6L

YAGEO
98D-AT0805BRD0780R6L

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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