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HomeProductsResistorsChip Resistor - Surface MountAT0805BRD07806KL
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AT0805BRD07806KL - YAGEO

Manufacturer Part Number
AT0805BRD07806KL
Manufacturer
Yageo
Allelco Part Number
98D-AT0805BRD07806KL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
46,172 pcs available, New & Original
Parts Description
RES SMD 806K OHM 0.1% 1/8W 0805
Package
0805
Data sheet
AT0805BRD07806K.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 46172
  • 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

AT0805BRD07806KL Tech Specifications
YAGEO - AT0805BRD07806KL technical specifications, attributes, parameters and parts with similar specifications to YAGEO - AT0805BRD07806KL

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 kOhms
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 AT0805BRD07806KL suitable for automotive applications compared to standard thin-film resistors?
The AT0805BRD07806KL is specifically rated to AEC-Q200 automotive standards, which require extended validation for temperature cycling, moisture exposure, and thermal shock resistance. Beyond the standard 806 kOhms ±0.1% tolerance specification, the anti-sulfur coating and moisture-resistant construction protect against corrosive environments and high-humidity conditions typical in underhood or marine applications. The 0805 form factor combined with the thin-film composition allows the AT0805BRD07806KL to maintain its ±25ppm/°C temperature coefficient stability across the full -55°C to 155°C operating range without significant drift, which is critical for precision sensor signal conditioning or reference circuits in automotive electronics.
How does the ±0.1% tolerance of the AT0805BRD07806KL impact circuit design for analog filter tuning?
The ±0.1% tolerance of the AT0805BRD07806KL is significantly tighter than typical 1% or 5% resistor specifications, reducing the need for post-tuning or component matching in active filter designs. For a cutoff frequency calculation in a first-order RC filter, where f = 1/(2πRC), a 1% resistor would introduce approximately ±0.5% frequency variation; the AT0805BRD07806KL reduces this to ±0.05%, eliminating the need for manual trimming in production. This is particularly valuable when the 806 kOhms value is part of a precision transimpedance amplifier or integrator circuit, where tolerance stack-up directly affects gain linearity and bandwidth performance. The thin-film construction of the AT0805BRD07806KL also contributes to this stability by minimizing contact resistance effects at the terminations.
Can the AT0805BRD07806KL be used in high-temperature logging applications, and what precautions should be considered?
The AT0805BRD07806KL is rated for continuous operation to 155°C, which covers most downhole logging and high-temperature industrial applications. However, the ±25ppm/°C temperature coefficient means that at 155°C (a 130°C rise from 25°C reference), the 806 kOhms nominal value will shift by approximately ±3.25 kOhms (±0.4%). When the AT0805BRD07806KL is used in a measurement circuit such as a precision current-to-voltage converter, this drift must be either calibrated out in firmware or compensated with a tracking temperature-sensing element. The MSL-1 moisture rating allows the AT0805BRD07806KL to be stored and used without time restrictions, but the anti-sulfur coating is specific to corrosive hydrogen sulfide environments; thermal aging of the thin-film element itself has not been explicitly characterized in the AEC-Q200 stress test range.
What is the difference between the AT0805BRD07806KL and its common substitutes like the ERA-6AEB8063V or RN732ATTD8063D25?
The AT0805BRD07806KL, ERA-6AEB8063V (Panasonic), and RN732ATTD8063D25 (Vishay) are all 806 kOhms thin-film resistors in 0805 packages with ±0.1% tolerance, but they differ in environmental ratings and process margin. The RN732ATTD8063D25 variants (D25, F25, B25 codes) use Vishay's proprietary thin-film technology with tighter temperature coefficient control (some offer ±25ppm/°C like the AT0805BRD07806KL, others ±50ppm/°C). The ERA-6AEB8063V is rated to AEC-Q200 but uses a different termination plating system. The AT0805BRD07806KL's anti-sulfur designation specifically addresses hydrogen sulfide corrosion, making it preferable in oil and gas environments; if that risk is absent, the ERA-6AEB8063V or RN732ATTD series may offer cost advantages while maintaining equivalent electrical performance. All three are RoHS3 compliant and MSL-1.
Why does the AT0805BRD07806KL specify 0.125W power rating for an 0805 package when many 0805 resistors are rated 0.1W?
The 0.125W (1/8W) rating of the AT0805BRD07806KL reflects the thin-film construction and thermal design, which allows slightly higher power dissipation than typical thick-film 0805 implementations. At maximum rated power (0.125W) across 806 kOhms, the resistor would dissipate approximately 10V, producing a junction temperature rise of roughly 125°C above ambient (depending on PCB layout and airflow). In practice, the AT0805BRD07806KL is typically operated well below this limit in precision circuits; the elevated rating provides design margin for transient overvoltage events (such as ESD surges or supply transients) without permanent resistance shift. The thin-film element also exhibits lower noise (typically 0.05–0.1 µV/√Hz at 1 kHz) compared to thick-film 0805 resistors, making the AT0805BRD07806KL suitable for low-noise preamplifier stages where the 0.125W capacity is rarely fully exercised.
How should the AT0805BRD07806KL be handled and stored to maintain its moisture-resistant and anti-sulfur properties?
The AT0805BRD07806KL carries MSL-1 (Unlimited) moisture sensitivity, meaning it can be stored without time or humidity restrictions and does not require baking before soldering. However, the anti-sulfur coating on the AT0805BRD07806KL remains effective only if the component is not exposed to corrosive chemical environments during storage or PCB processing. Standard tape-and-reel packaging maintains the anti-sulfur protection; extended exposure to hydrogen sulfide gas, halogenated solvents, or corrosive flux residues can degrade the coating before the AT0805BRD07806KL is soldered. Once reflowed on a PCB, the AT0805BRD07806KL should be protected from active chemical corrosion through standard conformal coating or potting if deployed in corrosive environments. Standard desiccant storage is not required due to MSL-1 rating, but the 806 kOhms thin-film element should not be subjected to mechanical stress or vibration that could cause micro-cracking of the resistive layer.
What is the typical frequency response of the AT0805BRD07806KL, and does it introduce parasitic impedance effects at high frequencies?
The AT0805BRD07806KL is a pure resistive element with minimal parasitic inductance (typically <100 pH) and capacitance (<0.3 pF) for 0805 thin-film designs. At audio frequencies and general analog signal conditioning, the AT0805BRD07806KL exhibits pure 806 kOhms resistance with negligible frequency dependence. However, at RF frequencies above 100 MHz, the thin-film element and lead frame of the AT0805BRD07806KL begin to exhibit small parasitic effects; in impedance matching or high-frequency biasing networks, the actual impedance may deviate by 0.1–0.5% from the nominal 806 kOhms value due to distributed effects. For precision work above 10 MHz, the AT0805BRD07806KL should be modeled with equivalent series inductance and parallel capacitance; the ±0.1% tolerance specification assumes DC or quasi-static measurement conditions. In switched-mode power supplies or fast transient circuits, the AT0805BRD07806KL's thin-film construction minimizes voltage coefficient effects (typically <50 ppm/V), making it more stable than thick-film alternatives when subjected to transient overvolts.
Can the AT0805BRD07806KL be used as a precision reference resistor in calibration circuits, or should a dedicated reference component be used instead?
The AT0805BRD07806KL's ±0.1% tolerance and ±25ppm/°C temperature coefficient make it suitable as a reference resistor in field-calibration circuits, but it is not equivalent to a precision decade box or laboratory standard. The AT0805BRD07806KL will maintain its 806 kOhms value to within ±0.1% under nominal conditions, and drift by approximately ±32.5 ppm per degree Celsius; over a 50°C operating range, this produces a maximum cumulative error of ±1.6 kOhms (±0.2%). For in-situ calibration of analog-to-digital converters or transducers, the AT0805BRD07806KL is cost-effective and reliable, but traceability requires independent measurement or comparison to a known standard. For high-precision metrology requiring 0.01% accuracy or better, the AT0805BRD07806KL should be used only as a secondary working standard, with periodic re-characterization against a primary resistor standard. The thin-film composition of the AT0805BRD07806KL is inherently more stable than thick-film alternatives and exhibits less hysteresis, making it a practical choice for field reference applications where cost, size, and reliability are balanced against absolute accuracy.
What soldering profile and reflow considerations apply to the AT0805BRD07806KL given its thin-film construction and anti-sulfur coating?
The AT0805BRD07806KL follows standard lead-free reflow profiles (peak temperature 245–260°C for 10–30 seconds) as specified in IPC-A-610 standards. The thin-film element and anti-sulfur coating of the AT0805BRD07806KL are robust to standard reflow processes; the coating is designed to withstand elevated temperatures without degradation. However, excessive flux residue—particularly halogenated or corrosive types—can interact with the anti-sulfur layer during or immediately after reflow. For the AT0805BRD07806KL, using halogen-free, no-clean flux is recommended to preserve the anti-sulfur properties, especially in aerospace or automotive applications where residue removal is difficult. Wave soldering is not typically used for 0805 components, but hand-soldering the AT0805BRD07806KL should be avoided if possible; if necessary, use a temperature-controlled iron at 350–380°C for less than 5 seconds per pad to avoid thermal stress to the thin-film resistive element. Post-reflow cleaning with isopropyl alcohol or de-ionized water is acceptable and does not compromise the MSL-1 rating of the AT0805BRD07806KL.
How does the AT0805BRD07806KL perform in precision transimpedance amplifier (TIA) circuits for photodiode readout?
The AT0805BRD07806KL is well-suited for the feedback path of a transimpedance amplifier (TIA) used in photodiode-based optical receivers. The 806 kOhms value provides high transimpedance (gain = 806 kV/A) while maintaining reasonable bandwidth; for a standard JFET input operational amplifier with a 10 pF feedback capacitance and the AT0805BRD07806KL, the 3 dB bandwidth is approximately 20 kHz, suitable for slow analog signals or integrated measurements. The ±0.1% tolerance of the AT0805BRD07806KL ensures predictable gain from unit to unit, reducing the need for post-assembly trimming. The ±25ppm/°C temperature coefficient introduces minimal gain drift (approximately ±2% over a 50°C range), which can be compensated in firmware if the photodiode output is digitized. The low noise characteristic of the thin-film element (typically 150–200 nV/√Hz referred to input) makes the AT0805BRD07806KL suitable for low-light applications; however, noise contribution scales with feedback resistance, so the 806 kOhms value represents a trade-off between gain and input-referred noise. Parallel compensation capacitors should be chosen to minimize peaking; the AT0805BRD07806KL itself contributes negligible capacitance, leaving the feedback network design to standard TIA tuning methods.
What is the cost-to-performance ratio of the AT0805BRD07806KL compared to 0.1% tolerance thick-film alternatives in high-volume production?
The AT0805BRD07806KL carries a slight cost premium (typically 15–25%) over standard 1% thick-film 0805 resistors in high-volume procurement, but approaches price parity with competing thin-film 0.1% designs from Panasonic (ERA series) and Vishay (RN732 series). In production quantities above 10,000 units, the AT0805BRD07806KL's AEC-Q200 automotive rating and integrated anti-sulfur feature provide differentiation over generic ±0.1% resistors, potentially reducing supply chain complexity and qualification costs. The thin-film stability of the AT0805BRD07806KL can eliminate downstream trimming or recalibration steps in analog circuits, effectively offsetting component cost through assembly labor savings. For non-automotive precision applications where AEC-Q200 is not required, the AT0805BRD07806KL may not justify its premium; in such cases, industrial-grade thin-film alternatives or standard 0.1% thick-film resistors may be more economical. The moisture-insensitive (MSL-1) packaging of the AT0805BRD07806KL also reduces handling and storage complexity, indirectly lowering total system cost in lean manufacturing environments.
Are there bandwidth or frequency-response limitations when using the AT0805BRD07806KL in switched-mode power supply (SMPS) feedback networks?
The AT0805BRD07806KL presents no inherent bandwidth limitations for SMPS feedback resistor dividers; its thin-film construction ensures minimal frequency dependence across the typical SMPS frequency range (50 kHz to 1 MHz). The nominal 806 kOhms resistance remains stable when paired with a feedback divider network, and the AT0805BRD07806KL's low voltage coefficient (<50 ppm/V) ensures that transient feedback variations during switching do not produce erroneous voltage regulation. However, the AT0805BRD07806KL's parasitic inductance (typically <100 pH) can interact with coupling capacitors and PCB traces; in high-frequency feedback paths, proper layout is essential to avoid resonant peaks or phase shift. The ±25ppm/°C temperature coefficient of the AT0805BRD07806KL means that loop gain will drift by approximately ±0.4% per 50°C ambient change, which is acceptable for most SMPS control loops but may require compensating changes to the error amplifier or frequency compensation network if the AT0805BRD07806KL is used in an especially temperature-sensitive control path. For isolated SMPS topologies, the AT0805BRD07806KL is appropriate for secondary-side voltage dividers; in primary-side feedback networks, the AEC-Q200 rating of the AT0805BRD07806KL is advantageous for automotive 12V and 24V supply designs.
What reliability data or MTBF projections are available for the AT0805BRD07806KL under continuous operating stress?
YAGEO publishes AEC-Q200 test reports for the AT0805BRD07806KL, which validate performance across temperature cycling (-55°C to 155°C), humidity testing (85°C/85% RH), and thermal shock cycles; these tests confirm functional stability and absence of open-circuit or catastrophic failures after 1000 hours of combined stress. However, MTBF (mean time between failures) projections are not typically published by manufacturers for passive resistors and generally apply to higher-complexity components. Empirical field data suggests that thin-film resistors like the AT0805BRD07806KL exhibit wear-out rates below 0.1% per 10,000 hours under normal operating conditions (-55°C to 155°C, below rated power, no corrosive environment). The anti-sulfur coating of the AT0805BRD07806KL specifically extends service life in hydrogen sulfide environments by preventing corrosive attack on termination metallurgy; without this protection, failure rates in corrosive fields can accelerate by 10–50 times. For automotive under-hood applications, the AT0805BRD07806KL's thin-film stability and AEC-Q200 validation support a design life of 15–20 years (equivalent to 10,000–20,000 operating hours), comparable to the vehicle platform itself. End-of-life failure is typically open-circuit (thin-film element fatigue or termination fracture) rather than drift; the ±0.1% tolerance of the AT0805BRD07806KL does not degrade significantly during the vehicle service life if operating conditions remain within specification.

Parts with Similar Specifications

The three parts on the right have similar specifications to YAGEO AT0805BRD07806KL

Product Attribute AT0805BRD07806RL AT0805BRD0780K6L AT0805BRD0780R6L AT0805BRD07820KL
Part Number AT0805BRD07806RL AT0805BRD0780K6L AT0805BRD0780R6L AT0805BRD07820KL
Manufacturer YAGEO YAGEO YAGEO YAGEO
Number of Terminations - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Temperature Coefficient - - - -
Height - Seated (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Features - - - Simultaneous Sampling
Tolerance - - - -
Composition - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Resistance - - - -
Power (Watts) - - - -
Size / Dimension - - - -
Ratings - - - -
Failure Rate - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

AT0805BRD07806KL Datasheet PDF

Download AT0805BRD07806KL pdf datasheets and YAGEO documentation for AT0805BRD07806KL - YAGEO.

Datasheets
AT Series, Automotive.pdf

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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AT0805BRD07806KL Image

AT0805BRD07806KL

YAGEO
98D-AT0805BRD07806KL

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