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HomeProductsResistorsChip Resistor - Surface MountAT0805BRD07806RL
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AT0805BRD07806RL - YAGEO

Manufacturer Part Number
AT0805BRD07806RL
Manufacturer
Yageo
Allelco Part Number
98D-AT0805BRD07806RL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
45,365 pcs available, New & Original
Parts Description
RES SMD 806 OHM 0.1% 1/8W 0805
Package
0805
Data sheet
AT0805BRD07806R.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 45365
  • 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

AT0805BRD07806RL Tech Specifications
YAGEO - AT0805BRD07806RL technical specifications, attributes, parameters and parts with similar specifications to YAGEO - AT0805BRD07806RL

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 806 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 AT0805BRD07806RL suitable for automotive applications compared to standard 0805 resistors?
The AT0805BRD07806RL is rated to AEC-Q200 automotive qualification standards and incorporates anti-sulfur and moisture-resistant construction in its thin-film design. This combination addresses reliability concerns in harsh automotive environments where corrosive atmospheric conditions and thermal cycling stress standard chip resistors. The ±0.1% tolerance and ±25ppm/°C temperature coefficient ensure stable 806 ohm performance across the -55°C to 155°C operating range typical of underhood and powertrain applications, whereas general-purpose 0805 resistors often lack this environmental hardening.
How does the ±0.1% tolerance of the AT0805BRD07806RL affect precision analog circuit design?
The ±0.1% tolerance of the AT0805BRD07806RL represents thin-film manufacturing precision and directly impacts circuits where resistive accuracy influences signal conditioning, biasing networks, or feedback paths. For an 806 ohm target value, this tolerance produces a maximum deviation of ±0.806 ohms—meaningful in transimpedance amplifiers, precision current sources, or sensor signal chains where 1% or 5% tolerance resistors would introduce unacceptable measurement error. The tight tolerance reduces design margin requirements and can eliminate secondary trimming or selection binning stages in production.
Why is the AT0805BRD07806RL rated at 1/8W (0.125W) power dissipation despite its compact 0805 package size?
The AT0805BRD07806RL achieves 1/8W rating through thin-film construction, which distributes heat more efficiently across the substrate than thick-film or wirewound alternatives in the same 2.00mm × 1.25mm footprint. At rated power and maximum ambient temperature (155°C), the resistor operates within thermal limits without derating. For applications requiring continuous 0.1W dissipation at the 806 ohm value, this leaves margin; however, if peak dissipation approaches 0.125W in a confined thermal environment or high-temperature assembly region, thermal derating curves should be consulted to avoid reliability degradation.
What is the practical difference between the AT0805BRD07806RL and thick-film 0805 alternatives in terms of temperature stability?
The AT0805BRD07806RL exhibits a temperature coefficient of ±25ppm/°C, characteristic of precision thin-film technology. Over a 100°C temperature excursion (e.g., -25°C to +75°C operating span), the 806 ohm resistor may drift by approximately ±20 ohms maximum. Thick-film 0805 resistors typically specify ±100ppm/°C or worse, resulting in ±80 ohm drift across the same range. In low-frequency signal processing or DC bias networks, this difference is often negligible; however, in precision metering circuits, impedance matching networks, or reference dividers where relative stability matters, the AT0805BRD07806RL's superior temperature coefficient reduces closed-loop compensation requirements.
Is the AT0805BRD07806RL appropriate for high-frequency or RF circuit applications?
The AT0805BRD07806RL is optimized for DC and low-frequency analog applications. Thin-film chip resistors of this type exhibit parasitic inductance and capacitance that become problematic above approximately 100MHz. For RF or microwave design where the 806 ohm resistance is part of an impedance network, termination, or bias element, the AT0805BRD07806RL may introduce unwanted frequency-dependent behavior or Q degradation. Specialized RF chip resistors with controlled parasitic characteristics are preferable for frequencies above 500MHz; however, the AT0805BRD07806RL remains suitable as a bias resistor in baseband signal chains or low-frequency (<50MHz) filtering applications.
How does the MSL 1 moisture sensitivity rating of the AT0805BRD07806RL simplify supply chain and assembly planning?
The AT0805BRD07806RL carries Moisture Sensitivity Level (MSL) 1, meaning no moisture preconditioning, drying, or time-limited floor-life restrictions apply during storage or assembly. This contrasts with MSL 2 and higher components, which require dry-pack storage, bake-out procedures, and adherence to strict time windows after exposure to ambient humidity. For manufacturers without formal bake-out infrastructure or for designs with long shelf lives between procurement and assembly, MSL 1 eliminates a significant logistics constraint. The moisture-resistant thin-film construction underlying this rating also reduces field failures in potted enclosures or conformal-coated boards subjected to thermal cycling.
What thermal considerations apply when using the AT0805BRD07806RL in high-density PCB layouts?
The AT0805BRD07806RL occupies 2.00mm × 1.25mm surface area with a maximum seated height of 0.60mm, enabling high-density placement. However, in tightly packed layouts where resistors are spaced <1mm apart or positioned adjacent to heat-generating components (power stages, RF amplifiers), local PCB temperature may exceed the circuit ambient by 10–30°C. The AT0805BRD07806RL's ±25ppm/°C coefficient means that a 30°C local hot spot introduces approximately ±20 ppm additional drift. Thermal modeling or empirical measurement during prototyping helps verify that the combined ambient and localized thermal effect remains within acceptable tolerance budgets, especially in precision sensor or metering applications.
Can the AT0805BRD07806RL be substituted with the listed alternates, and what design risks should be evaluated?
The substitutes listed (RT0805BRD07806RL, RN732ATTD8060D25, RN732ATTD8060B25, and others) are functionally equivalent 806 ohm thin-film 0805 resistors from YAGEO's product family. The AT0805BRD07806RL and RT0805BRD07806RL differ primarily in tape-reel packaging orientation and reel quantity, not electrical performance. The RN732 variants share the same tolerance and temperature coefficient but may have different automotive certification scope or lead-free finish specifications. Before substitution in automotive or high-reliability designs, verify that the alternate part maintains AEC-Q200 status, confirms identical moisture resistance, and validates any differences in manufacturing process or supplier quality agreements. Cross-reference the specific datasheet revision to confirm electrical and environmental specifications remain unchanged.
How should the AT0805BRD07806RL be handled and stored to preserve its thin-film characteristics and anti-sulfur coating?
Although the AT0805BRD07806RL carries MSL 1 status and does not require special humidity control, the anti-sulfur coating benefits from storage in low-corrosivity environments. Avoid long-term exposure to hydrogen sulfide, industrial sulfur dioxide, or high-humidity conditions with airborne chlorides or sulfates, which can degrade the coating and introduce slow drift or intermittent contact resistance increases. Store at room temperature in sealed packaging; avoid repeated thermal cycling of unopened reels before assembly. If stored in corrosive industrial environments (e.g., near chemical processing or marine settings), inspect the component surface visually before assembly and consider accelerated life testing if storage duration exceeds 2–3 years.
What role does the AT0805BRD07806RL play in precision instrumentation front-end design?
In instrumentation systems requiring low noise and stable gain, the AT0805BRD07806RL serves as a precision feedback or gain-setting resistor in transimpedance amplifiers, programmable gain stages, or precision logarithmic converters. The ±0.1% tolerance ensures that the 806 ohm value contributes minimal systematic error to overall measurement uncertainty; the ±25ppm/°C temperature coefficient simplifies thermal compensation algorithms and reduces the need for temperature-sensing trim feedback loops. For systems targeting 0.1% accuracy over extended temperature ranges, pairing the AT0805BRD07806RL with similarly tight-tolerance capacitors and operational amplifiers can achieve single-digit ppm/°C effective system stability without exotic calibration overhead.
How does ROHS3 compliance and REACH unaffected status impact the AT0805BRD07806RL in regulated supply chains?
ROHS3 compliance confirms that the AT0805BRD07806RL contains no restricted substances (lead, cadmium, chromium-VI, mercury, PBBs, or PBDEs) beyond specified exemption thresholds, qualifying it for use in consumer electronics and equipment sold in the European Union. REACH unaffected status indicates that the thin-film resistor does not contain substances of very high concern (SVHCs) requiring special declaration or authorization. For OEMs managing global supply chains or facing customer-driven environmental compliance mandates, these certifications reduce regulatory liability and simplify documentation. The anti-sulfur and moisture-resistant coating are compatible with ROHS3 lead-free solder reflow processes and do not introduce secondary compliance complications during assembly.
What is the mechanical stress tolerance of the AT0805BRD07806RL under PCB flexing or vibration environments?
The AT0805BRD07806RL's 0805 package and solder-joint geometry support typical PCB flexing and vibration in automotive and industrial applications per IPC-A-610 workmanship standards. However, prolonged high-amplitude vibration (>5G acceleration, sustained) or mechanical shock (>15G impact) in unmounted or loosely constrained boards can induce solder-joint fatigue or intermetallic cracking, risking intermittent open-circuit failure. The thin-film resistor element itself is robust; failure modes are primarily solder-joint related. In harsh vibration environments, conformal coating, underfill, or potting compounds provide mechanical damping. Thermal cycling combined with vibration accelerates failure risk; designs subjected to both should implement mechanical stress relief and validated solder-joint geometry to ensure AT0805BRD07806RL reliability beyond a 10-year service life.
How does the AT0805BRD07806RL compare to wire-wound resistors for precision current-sense applications?
Wire-wound resistors offer lower temperature coefficient (±50ppm/°C or better) and lower parasitic inductance in large values, but the AT0805BRD07806RL competes favorably in 806 ohm mid-range applications where parasitic inductance is negligible. Wire-wound alternatives are larger, more expensive, and less suitable for high-density PCB layouts. For current-sense feedback in DC-DC converters or motor drivers, the AT0805BRD07806RL's ±0.1% tolerance and ±25ppm/°C stability are typically sufficient; the lower-inductance thin-film construction also prevents ringing or high-frequency coupling into sensitive analog front ends. The choice depends on target accuracy (wire-wound preferred for sub-0.05% demands) and available PCB real estate; for most modern switching power supplies and servo control loops, the AT0805BRD07806RL offers better cost and size trade-off.
What failure mechanisms should be anticipated during accelerated life testing (ALT) of assemblies using the AT0805BRD07806RL?
Accelerated life testing for the AT0805BRD07806RL typically accelerates thermal cycling (-55°C to +155°C), power stress (approaching 0.125W continuous dissipation), and humidity (biased electrical stress in controlled high-humidity chambers per MIL-STD-810 or IPC-TM-650). Expected failure modes include solder-joint cracking (dominant failure mechanism at PCB level), thin-film element degradation (rare but possible under sustained electrical overstress >150% rated power), and contact-resistance increase at terminations due to intermetallic growth. The anti-sulfur coating provides protection against environmental corrosion; however, in salt-fog or sulfurous industrial atmospheres combined with electrical bias, coating breach can introduce slow drift or intermittent opens. HALT (Highly Accelerated Life Test) combining vibration, rapid thermal transients, and voltage overstress can reveal latent design weaknesses in the AT0805BRD07806RL application circuit before field deployment.

Parts with Similar Specifications

The three parts on the right have similar specifications to YAGEO AT0805BRD07806RL

Product Attribute AT0805BRD07806KL AT0805BRD0780R6L AT0805BRD0780K6L AT0805BRD07820RL
Part Number AT0805BRD07806KL AT0805BRD0780R6L AT0805BRD0780K6L AT0805BRD07820RL
Manufacturer YAGEO YAGEO YAGEO YAGEO
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Composition - - - -
Resistance - - - -
Tolerance - - - -
Temperature Coefficient - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Power (Watts) - - - -
Features - - - Simultaneous Sampling
Number of Terminations - - - -
Size / Dimension - - - -
Ratings - - - -
Failure Rate - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Height - Seated (Max) - - - -

AT0805BRD07806RL Datasheet PDF

Download AT0805BRD07806RL pdf datasheets and YAGEO documentation for AT0805BRD07806RL - YAGEO.

Datasheets
AT Series, Automotive.pdf

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    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.

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

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AT0805BRD07806RL Image

AT0805BRD07806RL

YAGEO
98D-AT0805BRD07806RL

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

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