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HomeProductsResistorsChip Resistor - Surface MountAT0805DRE0723K2L
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AT0805DRE0723K2L - YAGEO

Manufacturer Part Number
AT0805DRE0723K2L
Manufacturer
Yageo
Allelco Part Number
98D-AT0805DRE0723K2L
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
41,457 pcs available, New & Original
Parts Description
RES SMD 23.2K OHM 0.5% 1/8W 0805
Package
0805
Data sheet
AT0805DRE0723K2.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 41457
  • Unit Price: $0.099
  • Subtotal: $0.00

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Specifications

AT0805DRE0723K2L Tech Specifications
YAGEO - AT0805DRE0723K2L technical specifications, attributes, parameters and parts with similar specifications to YAGEO - AT0805DRE0723K2L

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 23.2 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 are the key differences between the AT0805DRE0723K2L and its thin-film alternatives like the RT0805DRE0723K2L for precision analog circuits?
Both the AT0805DRE0723K2L and RT0805DRE0723K2L are 23.2 kOhm 0805 thin-film resistors with ±0.5% tolerance and AEC-Q200 automotive qualification. The primary distinction lies in anti-sulfur coating and long-term stability under harsh environmental exposure. The AT0805DRE0723K2L incorporates anti-sulfur protection and moisture resistance, making it more suitable for automotive underhood applications, coastal environments, or high-humidity industrial settings where sulfur contamination accelerates resistance drift. The temperature coefficient of ±50ppm/°C on the AT0805DRE0723K2L ensures stable performance across the -55°C to 155°C operating range, critical for precision instrumentation circuits where the 23.2 kOhm value must maintain tolerance over thermal cycling.
Can the AT0805DRE0723K2L be used as a direct replacement for higher-power 1/4W resistors in existing designs?
The AT0805DRE0723K2L is rated for 0.125W (1/8W) continuous power dissipation in the 0805 (2012 metric) package with a maximum seated height of 0.60mm. Direct substitution for 1/4W designs depends on actual power dissipation in the circuit. At 23.2 kOhm, the AT0805DRE0723K2L can safely dissipate approximately 24mW at full 1/8W rating (V² / R = 0.125W). If your design dissipates less than 60mW in the 23.2 kOhm path, the AT0805DRE0723K2L provides adequate margin. However, in high-power applications or where thermal accumulation occurs (dense PCB layouts, no forced convection), the AT0805DRE0723K2L may experience elevated junction temperatures, accelerating the ±50ppm/°C drift. Thermal management and derating curves must be evaluated; if power consistently exceeds 80mW, a larger package size becomes necessary.
How does the ±0.5% tolerance of the AT0805DRE0723K2L impact voltage divider and sensor signal conditioning designs?
In voltage divider networks, the AT0805DRE0723K2L's ±0.5% tolerance directly affects output accuracy. For a divider using two 23.2 kOhm resistors (both AT0805DRE0723K2L units), worst-case tolerance stacking produces a 1.0% combined error in the divider ratio, yielding ±50mV error on a 5V input. For sensor conditioning circuits requiring 0.1% absolute accuracy, the AT0805DRE0723K2L must be paired with tighter matched pairs or laser-trimmed feedback networks. The thin-film composition and ±50ppm/°C temperature coefficient ensure stable ratiometric performance during thermal transients; this is particularly valuable in bridge circuits where the AT0805DRE0723K2L arm resistances track together, canceling temperature-induced errors. If the design centers the 23.2 kOhm target within the divider's acceptable tolerance band, the AT0805DRE0723K2L's ±0.5% specification becomes sufficient for many industrial measurement applications without additional calibration.
What is the failure mechanism and expected lifetime of the AT0805DRE0723K2L under continuous operation at elevated temperature?
The AT0805DRE0723K2L, as a thin-film resistor with anti-sulfur coating and AEC-Q200 qualification, exhibits low failure rates in automotive environments. Thin-film resistors typically fail through resistance drift (creep) rather than catastrophic fracture. The AT0805DRE0723K2L's ±50ppm/°C temperature coefficient defines the maximum expected drift rate. At 155°C (upper operating limit), the 23.2 kOhm nominal value may drift by approximately 500ppm (5000 ppm total over 100°C), or roughly 116 Ohms, assuming linear drift. The AEC-Q200 standard mandates testing at 1000 hours, 155°C with applied load; AT0805DRE0723K2L samples must remain within ±5% of nominal after this stress (23.2 kOhm ±1.16 kOhm). Moisture Sensitivity Level 1 (MSL 1—unlimited shelf life) means the AT0805DRE0723K2L requires no baking prior to reflow, reducing field failure risk from moisture-induced delamination. In practical automotive modules, the AT0805DRE0723K2L typically achieves >10 year lifetime if junction temperatures remain below 125°C.
How does the AT0805DRE0723K2L's 0.60mm maximum height affect PCB stackup and conformal coating processes?
The AT0805DRE0723K2L's 0.024" (0.60mm) maximum seated height is below standard 0805 nominal height (0.65mm to 0.75mm for ceramic capacitors), allowing tight PCB routing on back-to-back assembly layers. In automated assembly, the AT0805DRE0723K2L's low profile reduces pick-and-place nozzle collision risk and simplifies layer stacking for high-density boards. During selective or dip conformal coating, the 0.60mm profile allows adequate coating penetration under the component without requiring elevated temperature or extended soak times. In potting or underfill processes for vibration-resistant automotive designs, the AT0805DRE0723K2L's compact height ensures resin flow uniformity and reduces void formation at the resistor perimeter. The 2.00mm × 1.25mm footprint (0805 metric) combined with 0.60mm height permits routing signal traces at 0.15mm clearance in modern 0.3mm pitch BGA designs, enabling aggressive PCB miniaturization without sacrificing the 23.2 kOhm precision performance.
What supply chain and substitution risks should be considered when designing with the AT0805DRE0723K2L?
The AT0805DRE0723K2L (YAGEO AT series thin-film, AEC-Q200) has qualified substitutes including the RT0805DRE0723K2L (Vishay) and RN732 series (Panasonic). However, substitution is not interchangeable without design review. The RN732ATTD2322D100 and RN732ATTD2322F50 variants use different temperature coefficients (±100ppm/°C and ±50ppm/°C respectively) and may exhibit different long-term drift behavior. The AT0805DRE0723K2L's YAGEO sourcing is relatively stable with multiple distributors carrying inventory; however, the thin-film AEC-Q200 segment is smaller than thick-film commodity resistors, creating longer lead times during automotive production ramps. Design qualification should verify that substitute parts meet the AT0805DRE0723K2L's ±50ppm/°C and anti-sulfur specifications; failure to validate can introduce 0.1%–0.3% drift differences in 23.2 kOhm bias networks. RoHS3 compliance and REACH Unaffected status on the AT0805DRE0723K2L ensure global regulatory compatibility, but procurement should confirm MSL 1 status on incoming parts to avoid moisture-related field failures.
Why is the AT0805DRE0723K2L specified in automotive sensor signal conditioning when tolerance and temperature coefficient appear comparable to commercial-grade alternatives?
The AT0805DRE0723K2L carries AEC-Q200 qualification, which mandates automotive-grade reliability testing including thermal cycling (-40°C to 155°C), humidity bias stress, and electromigration screening not required for commercial resistors. While commercial 0805 resistors may offer similar ±0.5% tolerance and ±50ppm/°C specifications on paper, the AT0805DRE0723K2L's anti-sulfur and moisture-resistant thin-film construction withstands automotive underhood sulfur/H₂S exposure that causes accelerated drift in uncoated competitors. The 23.2 kOhm value in sensor signal chains (typically used in fuel level, temperature, or pressure linearization networks) requires this environmental robustness; failure of a single AT0805DRE0723K2L resistor in a ratiometric divider can shift sensor output by 2–5%, creating limp-home faults. The AEC-Q200 pedigree also satisfies OEM traceability and failure rate documentation requirements for safety-critical modules, whereas commercial alternatives may not have sufficient field history data.
How should the AT0805DRE0723K2L be soldered to minimize thermal stress and resistance drift during PCB assembly?
The AT0805DRE0723K2L's thin-film composition is sensitive to rapid thermal transients during reflow. Peak reflow temperature should not exceed 260°C for >10 seconds; YAGEO thin-film resistors typically specify a maximum of 245°C for 3–5 seconds to prevent adhesion stress at the film-substrate interface. The AT0805DRE0723K2L's 0.125W rating assumes steady-state conditions; during reflow, localized temperatures near 200°C can temporarily increase the 23.2 kOhm value by 100–200ppm, which stabilizes upon cooling. Hand soldering the AT0805DRE0723K2L above 350°C for >5 seconds risks permanent ±0.2%–0.5% resistance shift due to film microcracking. Lead-free solder (SAC305) on the AT0805DRE0723K2L should be applied with controlled heating ramps (2–3°C/second) to minimize thermal shock. Post-assembly bake-out at 80°C for 24–48 hours allows moisture desorption from the 0.60mm height and stabilizes the 23.2 kOhm resistance before electrical testing, preventing field failures from moisture-induced resistance creep.
What is the expected behavior of the AT0805DRE0723K2L in high-frequency filtering and AC impedance applications?
The AT0805DRE0723K2L is a resistive element only; parasitic inductance and capacitance are minimal in the 0805 package. At DC and low frequencies (<100kHz), the AT0805DRE0723K2L exhibits the nominal 23.2 kOhm ±0.5% resistance. Above 100kHz, the AT0805DRE0723K2L's thin-film construction shows negligible frequency dependence (typically <0.1% variation to 1GHz), making it suitable for RF termination and impedance matching networks. The real concern in high-frequency designs is parasitic coupling at the PCB layout level, not the AT0805DRE0723K2L component itself. In noise-sensitive analog front-ends, the AT0805DRE0723K2L's thin-film technology (versus thick-film alternatives) exhibits lower 1/f noise floors, approximately 2–3 orders of magnitude below thick-film resistors, reducing Johnson noise contribution in the 23.2 kOhm bias dividers of precision instrumentation. For AC networks requiring accurate phase response, the AT0805DRE0723K2L's ±50ppm/°C stability ensures predictable RC time constants across temperature; wide-tolerance replacements can introduce 1–2% frequency shifts in active filter designs.
Can the AT0805DRE0723K2L be paralleled or stacked in series to achieve different resistance values while maintaining ±0.5% tolerance?
Two AT0805DRE0723K2L resistors in parallel produce approximately 11.6 kOhm ±0.5% if both units remain within their individual tolerance bands; worst-case parallel resistance ranges from 11.54 to 11.66 kOhm, maintaining ±0.5% combined tolerance due to the ratiometric nature of parallel circuits. Series stacking of two AT0805DRE0723K2L units yields 46.4 kOhm ±0.7% in worst case (additive tolerance: √(0.5² + 0.5²) ≈ 0.71%), exceeding typical ±0.5% design targets. For designs requiring parallel or series combinations, using matched pairs—or selecting from the same manufacturing lot of AT0805DRE0723K2L—reduces interpart tolerance stack-up to approximately ±0.25%–±0.35%, though this requires procurement coordination. High-density designs should avoid paralleling multiple AT0805DRE0723K2L units if the 1/8W dissipation limit is approached; two units in parallel can dissipate up to 0.25W total but increase thermal coupling, causing localized PCB hot spots. For demanding applications, single AT0805DRE0723K2L resistors in custom 23.2 kOhm and parallel derivatives remain the preferred approach to maintain AEC-Q200 traceability and ±50ppm/°C performance.
How do storage and handling conditions affect the AT0805DRE0723K2L's long-term performance before assembly?
The AT0805DRE0723K2L's Moisture Sensitivity Level 1 (MSL 1—unlimited shelf life) permits storage in standard industrial environments (15–35°C, <85% RH) without baking or desiccant requirements prior to reflow. Unlike ceramic capacitors (typically MSL 2–3), the AT0805DRE0723K2L experiences no moisture absorption into the substrate or thin-film interface, eliminating risk of delamination-induced open circuits during soldering. Long-term storage (>2 years) in humid warehouses does not measurably degrade the AT0805DRE0723K2L's 23.2 kOhm nominal value or ±50ppm/°C temperature coefficient. However, exposure to corrosive atmospheres (industrial sulfur, chlorine, or salt spray) can accelerate oxidation of the termination pads if the tape reel is opened without protective desiccant packs. The AT0805DRE0723K2L's anti-sulfur coating protects the resistive film but does not extend to terminations; oxidized pads increase solder joint resistance by 10–50mOhm, negligible for the 23.2 kOhm application but concerning in precision measurement networks. Best practice: store AT0805DRE0723K2L tape reels sealed with desiccant and inspect pads visually before assembly if storage exceeds 12 months in non-climate-controlled facilities.
What thermal derating curve should be applied to the AT0805DRE0723K2L when designing for maximum continuous power dissipation above 70°C ambient?
The AT0805DRE0723K2L's 0.125W rating assumes 70°C ambient; above this point, power dissipation must be reduced to maintain maximum junction temperature (typically 155°C for automotive AEC-Q200 components). Linear derating applies: for every 1°C increase in ambient temperature above 70°C, reduce the allowable power by 1mW per degree, yielding a derating slope of approximately 1mW/°C or 0.008W/°C. At 100°C ambient, the AT0805DRE0723K2L can safely dissipate 0.125W - (0.001W/°C × 30°C) = 0.095W. At 155°C (maximum operating temperature), power dissipation must approach zero to avoid junction overheat. In practice, at 125°C ambient (typical automotive worst-case underhood), the AT0805DRE0723K2L can sustain approximately 0.06W continuous dissipation; applied to the 23.2 kOhm value, this permits a maximum DC voltage of V = √(P × R) = √(0.06 × 23200) ≈ 37.4V, well above typical automotive 12V or 48V rails. Derating ensures the ±50ppm/°C drift specification remains valid and prevents accelerated thin-film aging; neglecting derating can introduce 0.2%–0.5% permanent resistance shift even after thermal cycling returns to ambient.
How does the AT0805DRE0723K2L compare to thick-film alternatives in terms of cost, performance, and availability for mid-volume automotive production?
The AT0805DRE0723K2L (thin-film, AEC-Q200) costs approximately 1.5–2.5× more than standard thick-film 0805 commodity resistors (±1% or ±5% tolerance) due to manufacturing complexity and automotive qualification overhead. However, in 23.2 kOhm precision bias networks, the AT0805DRE0723K2L's ±0.5% tolerance and ±50ppm/°C coefficient reduce design margin requirements; designers can eliminate external trimmer potentiometers or laser-trimmed film networks that add $0.10–$0.50 per unit. For mid-volume automotive (10k–100k units annually), the AT0805DRE0723K2L's availability is moderate; lead times range from 8–16 weeks through major distributors, versus 2–4 weeks for commodity thick-film competitors. Thick-film alternatives (e.g., ±1% 0805 at 23.2 kOhm) exhibit ±100ppm/°C or higher temperature coefficients, requiring larger design margins or active temperature compensation in sensor signal conditioning. The AT0805DRE0723K2L's AEC-Q200 qualification also eliminates design review costs for automotive OEMs; substituting unqualified thick-film resistors incurs qualification testing (>$5000 per design revision). Total cost-of-ownership typically favors the AT0805DRE0723K2L for precision-critical automotive modules.

Parts with Similar Specifications

The three parts on the right have similar specifications to YAGEO AT0805DRE0723K2L

Product Attribute AT0805DRE0723R2L AT0805DRE07243KL AT0805DRE0723K7L AT0805DRE07237KL
Part Number AT0805DRE0723R2L AT0805DRE07243KL AT0805DRE0723K7L AT0805DRE07237KL
Manufacturer YAGEO YAGEO YAGEO YAGEO
Series - - - -
Number of Terminations - - - -
Composition - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Failure Rate - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Temperature Coefficient - - - -
Features - - - Simultaneous Sampling
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Power (Watts) - - - -
Size / Dimension - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Tolerance - - - -
Ratings - - - -
Height - Seated (Max) - - - -
Resistance - - - -

AT0805DRE0723K2L Datasheet PDF

Download AT0805DRE0723K2L pdf datasheets and YAGEO documentation for AT0805DRE0723K2L - 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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AT0805DRE0723K2L Image

AT0805DRE0723K2L

YAGEO
98D-AT0805DRE0723K2L

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