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HomeProductsResistorsChip Resistor - Surface MountAT0805DRE0722K1L
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AT0805DRE0722K1L - YAGEO

Manufacturer Part Number
AT0805DRE0722K1L
Manufacturer
Yageo
Allelco Part Number
98D-AT0805DRE0722K1L
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
45,587 pcs available, New & Original
Parts Description
RES SMD 22.1K OHM 0.5% 1/8W 0805
Package
0805
Data sheet
AT0805DRE0722K1.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 45587
  • Unit Price: $0.099
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.099 $0.10
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AT0805DRE0722K1L Tech Specifications
YAGEO - AT0805DRE0722K1L technical specifications, attributes, parameters and parts with similar specifications to YAGEO - AT0805DRE0722K1L

Product Attribute Attribute Value
Manufacturer Yageo
Tolerance ±0.5%
Temperature Coefficient ±50ppm/°C
Supplier Device Package 0805
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm)
Series AT
Resistance 22.1 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 AT0805DRE0722K1L suitable for automotive applications compared to standard 0805 resistors?
The AT0805DRE0722K1L is AEC-Q200 qualified, meaning it has passed automotive-grade reliability testing for temperature cycling, humidity exposure, and mechanical stress. The thin-film construction combined with anti-sulfur coating provides resistance to corrosive automotive environments where hydrogen sulfide and salt spray exposure occur. The ±50ppm/°C temperature coefficient ensures the 22.1 kOhm resistance remains stable across the -55°C to 155°C operating range typical in under-hood applications, preventing circuit parameter drift that could affect sensor conditioning circuits or precision analog stages.
How does the ±0.5% tolerance of the AT0805DRE0722K1L impact precision analog circuit design?
The ±0.5% tolerance on the AT0805DRE0722K1L places it in the high-precision category for passive components, enabling tighter control over circuit gain, filter corner frequencies, and biasing networks. In transimpedance amplifiers or precision voltage dividers, this tolerance reduces the need for post-assembly trimming. For example, in a photodiode transimpedance stage where feedback resistor accuracy directly affects transimpedance gain, the AT0805DRE0722K1L minimizes circuit-to-circuit gain variation without requiring individual calibration. The tolerance also supports compliance with industrial signal conditioning standards that mandate ±1% end-to-end circuit accuracy.
Can the AT0805DRE0722K1L be used in high-frequency RF circuits, and what are the limitations?
The AT0805DRE0722K1L is suitable for frequencies up to several hundred megahertz in passive termination and biasing roles. However, the thin-film construction and lead inductance of the 0805 package introduce parasitic effects that become problematic above 1 GHz. In RF matching networks or impedance transformation circuits, the AT0805DRE0722K1L should be placed close to active components to minimize trace inductance. For critical RF applications requiring low parasitics, 0603 or chip-on-board implementations would provide better high-frequency performance, though the AT0805DRE0722K1L remains acceptable for intermediate-frequency filtering and biasing networks in cellular and automotive radar systems.
How does the moisture resistance of the AT0805DRE0722K1L compare to standard thick-film 0805 resistors?
The AT0805DRE0722K1L features MSL (Moisture Sensitivity Level) 1 rating, indicating unlimited shelf life and no moisture bake-out requirement before reflow soldering. Thin-film resistors inherently resist moisture absorption better than thick-film alternatives because their laser-trimmed metal film construction lacks the porous ceramic substrate that thick-film resistors use. This means the AT0805DRE0722K1L can be stored without desiccant packaging and maintains stable resistance even after extended exposure to humid environments. For supply chain operations and inventory management, this eliminates the logistical burden of humidity-controlled packaging, though the component should still be handled within normal ESD protocols.
What is the thermal dissipation capability of the AT0805DRE0722K1L at its maximum operating temperature?
The AT0805DRE0722K1L is rated for 0.125W continuous power dissipation, but this rating applies at 25°C. At the maximum operating temperature of 155°C, available power dissipation derates significantly—typically to approximately 40–50% of the rated value depending on PCB thermal design. For a conservative estimate, assume the AT0805DRE0722K1L can safely dissipate 0.05–0.065W near 155°C. In high-temperature automotive underhood circuits, this constraint limits current through the resistor; for example, at 155°C the AT0805DRE0722K1L would support approximately 1.5–1.7mA maximum continuous current (V = I×R yields roughly 33–37.6V dissipation limit). PCB copper area, thermal vias, and proximity to heat sources must be evaluated during layout.
How should the AT0805DRE0722K1L be specified in design-in documentation to prevent substitution issues?
The AT0805DRE0722K1L should be specified with its full part number and key differentiators to prevent substitution with non-AEC-Q200 or thick-film alternatives. Design documentation must call out AEC-Q200 qualification, thin-film construction, and MSL 1 rating as mandatory attributes. Approved substitutes including RN732ATTD2212D100, RN732ATTD2212F50, and RT0805DRE0722K1L should be explicitly listed to allow procurement flexibility while maintaining performance consistency. Including the tolerance (±0.5%) and temperature coefficient (±50ppm/°C) in the bill of materials prevents substitution with lower-precision 1% or 5% tolerance resistors that would degrade circuit performance in precision analog stages.
What is the recommended PCB layout approach for the AT0805DRE0722K1L in high-speed digital or mixed-signal circuits?
In high-speed circuits, the AT0805DRE0722K1L should be placed within 0.1–0.2 inches of the load or active component it terminates to minimize lead inductance effects that could cause signal overshoot or EMI coupling. For pull-up resistor networks on digital lines, keep the AT0805DRE0722K1L on the same layer or immediately adjacent layer as the signal trace to reduce loop area. Ground vias should be placed near the termination pad to provide low-impedance return paths. The 0805 package dimensions (2.00mm × 1.25mm) allow tight packing on dense boards, but thermal relief should be considered—avoid applying excessive solder mask over the pads to ensure consistent reflow wetting. For analog precision circuits, the AT0805DRE0722K1L should be isolated from high-current switching paths to prevent substrate noise coupling.
How does the AT0805DRE0722K1L perform in temperature cycling stress tests typical of automotive qualification?
The AT0805DRE0722K1L meets AEC-Q200 temperature cycling requirements, typically -40°C to 125°C or -55°C to 155°C cycles. Thin-film resistors exhibit excellent stability through thermal cycles because the laser-trimmed metal film on ceramic substrate has a coefficient of thermal expansion closely matched to the substrate, minimizing mechanical stress at solder joints. The anti-sulfur coating prevents corrosion that could increase resistance over time during cycling. After 500+ temperature cycles, the AT0805DRE0722K1L typically exhibits resistance drift under 0.1%, well within its ±0.5% tolerance band. This makes it reliable for engine control modules, transmission control units, and body electronics where thermal cycling from cold starts to high-temperature transients occurs regularly.
What soldering and rework procedures are recommended for the AT0805DRE0722K1L?
The AT0805DRE0722K1L is compatible with standard lead-free reflow profiles (260°C peak, 10–40 seconds above 240°C). Because it carries MSL 1 rating, no moisture bake-out is required before soldering. For rework, the component can be desoldered using hot air rework stations at 300–350°C, though care should be taken to avoid overheating the resistor itself, which could damage the thin-film element. Wave soldering is not recommended due to the 0805 package geometry and potential for solder bridging between pads. Hand soldering with a fine-tip iron (350–400°C) is acceptable for prototyping, using minimal solder and flux to avoid pad lifting. The small 0.024-inch maximum seated height of the AT0805DRE0722K1L enables inspection under solder paste automatically and reduces the risk of mid-chip solder bridges on dense boards.
How should cost and availability factors influence the choice between the AT0805DRE0722K1L and standard 1% tolerance 0805 alternatives?
The AT0805DRE0722K1L carries a cost premium (typically 20–40% higher) compared to standard ±1% thick-film 0805 resistors due to thin-film precision manufacturing and AEC-Q200 qualification. For automotive and precision analog applications, this premium is justified because it eliminates circuit trimming costs and reduces field failure rates from tolerance stack-up. In high-volume production, the AT0805DRE0722K1L's MSL 1 rating reduces inventory carrying costs and logistics complexity compared to moisture-sensitive alternatives. For non-critical applications (digital pull-ups, current limiting), standard resistors are cost-effective. However, for precision sensor conditioning, transimpedance circuits, or automotive modules requiring traceability and qualification, the AT0805DRE0722K1L's total cost of ownership (including reduced rework and qualification costs) justifies the component selection.
What environmental compliance and material declarations are included with the AT0805DRE0722K1L?
The AT0805DRE0722K1L is RoHS3 compliant, containing no lead, cadmium, hexavalent chromium, or other restricted substances listed in the RoHS directive. The component is REACH unaffected, meaning it is exempt from SVHC (Substances of Very High Concern) registration and restriction requirements. For automotive supply chains requiring environmental compliance documentation, the AT0805DRE0722K1L provides clean material declarations suitable for OEM sustainability reporting. The ECCN classification (EAR99) allows unrestricted export under U.S. commerce regulations. HTSUS code 8533.21.0030 facilitates customs classification for international distribution. These compliance attributes make the AT0805DRE0722K1L suitable for regulated industries including automotive, medical device, and industrial control systems requiring material transparency.
Can the AT0805DRE0722K1L be used as a test point resistance in circuit verification without degrading measurement accuracy?
The AT0805DRE0722K1L's ±0.5% tolerance and ±50ppm/°C temperature coefficient make it suitable for precision test point dividers and measurement networks where known impedance is required. For example, in ADC input networks or sensor signal conditioning, the AT0805DRE0722K1L can be used as a precision reference impedance to verify circuit gain or filter response without significant measurement error. The 22.1 kOhm value provides adequate impedance for high-impedance measurement nodes without loading analog front-end circuits excessively. However, during prototype testing and rework cycles, the AT0805DRE0722K1L should be measured with a calibrated multimeter (minimum ±0.1% accuracy) to verify component authenticity and detect counterfeit substitutes, which occasionally occur in automotive supply chains.
What is the frequency response characteristic of the AT0805DRE0722K1L, and how does parasitic reactance affect circuit behavior above 100 MHz?
The AT0805DRE0722K1L exhibits parasitic capacitance (typically 0.1–0.3pF) and series inductance (approximately 0.4–0.8nH) due to the 0805 package construction and lead frame geometry. Below 100 MHz, these parasitic effects are negligible for most analog and switching applications. Above 100 MHz, the inductive reactance begins to dominate, increasing the effective impedance. At 1 GHz, the series inductance introduces approximately 2.5–5 ohms of reactance, which becomes significant in RF termination networks requiring exact 50-ohm or 75-ohm impedance matching. For precision attenuation networks above 500 MHz, the AT0805DRE0722K1L should be modeled with parasitic elements or substituted with chip-on-board or micro-strip implementations. In intermediate-frequency (IF) stages of automotive radar or cellular systems, the AT0805DRE0722K1L performs adequately as a biasing or filtering element.

Parts with Similar Specifications

The three parts on the right have similar specifications to YAGEO AT0805DRE0722K1L

Product Attribute AT0805DRE07232KL AT0805DRE07220KL AT0805DRE0722R1L AT0805DRE0722KL
Part Number AT0805DRE07232KL AT0805DRE07220KL AT0805DRE0722R1L AT0805DRE0722KL
Manufacturer YAGEO YAGEO YAGEO YAGEO
Composition - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Power (Watts) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Features - - - Simultaneous Sampling
Ratings - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Tolerance - - - -
Number of Terminations - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Size / Dimension - - - -
Temperature Coefficient - - - -
Series - - - -
Failure Rate - - - -
Height - Seated (Max) - - - -
Resistance - - - -

AT0805DRE0722K1L Datasheet PDF

Download AT0805DRE0722K1L pdf datasheets and YAGEO documentation for AT0805DRE0722K1L - YAGEO.

Datasheets
AT Series, Automotive.pdf

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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.

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

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

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AT0805DRE0722K1L Image

AT0805DRE0722K1L

YAGEO
98D-AT0805DRE0722K1L

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

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