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HomeProductsResistorsChip Resistor - Surface MountAT0805DRE0723K7L
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AT0805DRE0723K7L - YAGEO

Manufacturer Part Number
AT0805DRE0723K7L
Manufacturer
Yageo
Allelco Part Number
98D-AT0805DRE0723K7L
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
37,190 pcs available, New & Original
Parts Description
RES SMD 23.7K OHM 0.5% 1/8W 0805
Package
0805
Data sheet
AT0805DRE0723K7.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 37190
  • Unit Price: $0.099
  • Subtotal: $0.00

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Specifications

AT0805DRE0723K7L Tech Specifications
YAGEO - AT0805DRE0723K7L technical specifications, attributes, parameters and parts with similar specifications to YAGEO - AT0805DRE0723K7L

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 23.7 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 is the thermal stability of the AT0805DRE0723K7L across its full operating range, and how does the ±50ppm/°C temperature coefficient affect circuit performance?
The AT0805DRE0723K7L exhibits a temperature coefficient of ±50ppm/°C across its -55°C to 155°C operating range, which translates to a maximum resistance shift of approximately ±0.59% over the full 210°C span. At 25°C, the nominal value is 23.7 kΩ ±0.5%. In precision analog circuits—such as sensor signal conditioning or reference dividers—this drift can accumulate with other component tolerances. For a 10°C deviation from 25°C, expect roughly 0.05% resistance change. The AT0805DRE0723K7L's thin-film construction inherently supports lower temperature coefficients than thick-film alternatives, making it suitable for temperature-compensated filter networks or feedback resistors in operational amplifiers where linearity across temperature is required.
How does the AT0805DRE0723K7L compare to thick-film 0805 resistors in terms of long-term reliability and aging behavior?
The AT0805DRE0723K7L uses thin-film technology, which generally exhibits superior long-term stability compared to thick-film 0805 resistors. Thin-film resistors like the AT0805DRE0723K7L show minimal resistance drift over time—typically <1% over 1000 hours under rated conditions—because the resistive element is vacuum-deposited in controlled layers. Thick-film resistors commonly experience 2–5% drift over the same period due to glass-binder relaxation and moisture ingress. The AT0805DRE0723K7L's ±0.5% tolerance is achievable precisely because of thin-film precision; thick-film 0805 units rarely achieve better than ±1% without significant cost. For long-lifecycle applications (automotive, medical, industrial), the AT0805DRE0723K7L's lower aging rate reduces need for field recalibration.
Is the AT0805DRE0723K7L suitable for high-frequency RF and analog signal conditioning applications?
The AT0805DRE0723K7L is primarily optimized for DC and low-frequency analog circuits rather than RF applications. At RF frequencies (>100 MHz), parasitic lead inductance and capacitance in 0805 packages become significant; the AT0805DRE0723K7L's thin-film structure does not reduce these parasitics relative to thick-film alternatives. The 0805 form factor itself introduces approximately 0.5–1.0 nH of series inductance and 0.1–0.3 pF of shunt capacitance. In signal conditioning—such as anti-aliasing filter networks or precision DAC feedback—the AT0805DRE0723K7L performs well below 1 MHz. For frequencies above 10 MHz, consider 0603 or smaller packages with lower inductance, or chip-and-wire configurations. The AT0805DRE0723K7L remains excellent for precision bias networks, output impedance matching in the audio band, and DC bias settling in analog instrumentation.
What is the difference between the AT0805DRE0723K7L and its CRT0805-BZ-2372ELF substitute, and when would each be preferred?
The CRT0805-BZ-2372ELF is a listed substitute for the AT0805DRE0723K7L, both offering 23.7 kΩ ±0.5% in 0805 thin-film packaging. The primary distinction lies in manufacturer process variation and supply-chain consistency. YAGEO's AT0805DRE0723K7L typically shows wider availability and lower cost for high-volume orders due to manufacturing scale. The CRT0805-BZ-2372ELF may offer faster lead times from alternative distributors or regional supply chains. From an engineering perspective, both meet AEC-Q200 automotive qualification and carry identical electrical specifications. Substitution is straightforward if the AT0805DRE0723K7L encounters allocation constraints. However, verify MSL (Moisture Sensitivity Level) and reflow profile compatibility with your assembly process; the AT0805DRE0723K7L is rated MSL-1 (unlimited moisture exposure), which is optimal for delayed assembly windows.
How does the AT0805DRE0723K7L's anti-sulfur coating affect reliability in industrial and automotive environments?
The AT0805DRE0723K7L includes anti-sulfur treatment, which protects the terminations and thin-film element from sulfur-containing corrosive gases and sulfurous compounds that accumulate in industrial, marine, and automotive enclosures. Untreated thin-film resistors exposed to hydrogen sulfide (H₂S) or sulfur dioxide (SO₂) exhibit measurable resistance drift within 200–500 hours; the AT0805DRE0723K7L's coating delays onset significantly. In automotive underhood applications—where engine heat, moisture, and trace sulfur compounds converge—the anti-sulfur feature extends time to failure by 3–5 years compared to uncoated alternatives. The coating is especially valuable in engine control modules (ECMs) and power management circuits where vibration and thermal cycling stress solder joints. For consumer electronics or benign indoor environments, the anti-sulfur feature provides margin but is not strictly required; for harsh outdoor or chemical-adjacent settings, it justifies the AT0805DRE0723K7L selection.
What is the power dissipation limit of the AT0805DRE0723K7L, and how does ambient temperature affect safe operating current?
The AT0805DRE0723K7L is rated 0.125W (1/8W) at 70°C ambient. At 23.7 kΩ, this corresponds to a maximum safe continuous current of approximately 2.3 mA (√(0.125W / 23.7kΩ) ≈ 2.3mA) and maximum voltage of 54.5V. However, at elevated ambient temperatures typical in automotive environments (100–125°C), the safe power dissipation derates to roughly 60–75% of the 70°C rating. At 155°C (upper operating limit), practical dissipation is approximately 0.05W—roughly 40% of nameplate. For the AT0805DRE0723K7L in a 125°C automotive ambient, limit continuous power to ~75 mW and current to ~1.8 mA to maintain <50°C self-heating margin above ambient. Transient pulses can exceed these limits for microseconds; for steady-state biasing and precision circuits, apply the derating curve. Exceeding power ratings causes resistance drift and accelerates aging in the AT0805DRE0723K7L's thin-film layer.
Why is the AT0805DRE0723K7L specified as RoHS3 compliant and REACH unaffected, and what does this mean for supply-chain risk?
The AT0805DRE0723K7L is RoHS3 compliant, confirming it meets the European Union's lead-free and hazardous-substance restrictions applicable to new designs since 2006. REACH unaffected status means the component does not contain Substances of Very High Concern (SVHCs) on the REACH candidate list, eliminating regulatory communication overhead for EU-market products. From a supply-chain perspective, this classification reduces compliance documentation burden and allows the AT0805DRE0723K7L to be sold without SVHC declarations. Non-compliant alternatives require exemptions or regional sourcing restrictions, increasing lead-time risk and cost for global programs. For automotive OEMs and Tier-1 suppliers targeting EU and global markets, the AT0805DRE0723K7L's clear compliance posture simplifies qualification and procurement. ECCN EAR99 classification means the AT0805DRE0723K7L faces no U.S. export control restrictions, enabling unrestricted international shipment without licensing delays.
How does the AT0805DRE0723K7L's MSL-1 moisture rating compare to higher-MSL alternatives, and what assembly constraints does it impose?
The AT0805DRE0723K7L is rated MSL-1 (Moisture Sensitivity Level 1), which means it has unlimited floor-life exposure before reflow. Standard MSL-3 and MSL-4 resistors require baking or desiccant storage if exposed to ambient humidity for >168 hours before soldering. The AT0805DRE0723K7L eliminates this constraint: it can be removed from packaging, used immediately in assembly, or stored uncontrolled without moisture absorption risk. This reduces manufacturing complexity, allows just-in-time procurement, and is especially valuable for contract manufacturers managing multiple component lots simultaneously. In high-volume automotive production, the AT0805DRE0723K7L's MSL-1 rating lowers rework risk because failed or partially assembled boards can be stored or reworked without baking. The trade-off is slightly higher component cost relative to MSL-3 alternatives; however, for programs prioritizing supply-chain agility and assembly-line efficiency, the AT0805DRE0723K7L justifies the premium.
What circuit topologies benefit most from the AT0805DRE0723K7L's ±0.5% tolerance and thin-film stability?
The AT0805DRE0723K7L's ±0.5% tolerance and thin-film stability make it ideal for precision dividers, transimpedance amplifier feedback networks, and instrumentation gain setting. In a transimpedance amplifier (photodiode preamplifier), the feedback resistor determines transimpedance gain (V/A); using the AT0805DRE0723K7L instead of ±5% thick-film resistors reduces gain error from ±5% to ±0.5%, directly improving signal-to-noise ratio in optical communication receivers. For precision analog filters (Sallen-Key topologies, second-order Butterworth), the AT0805DRE0723K7L reduces component-tolerance-induced deviation from the designed cutoff frequency, minimizing need for trimming or post-production tuning. In current-source biasing networks and precision current mirrors, the AT0805DRE0723K7L maintains stable reference levels across temperature and time. Conversely, in purely digital pull-up/pull-down networks or overvoltage clamp paths, the AT0805DRE0723K7L's tight tolerance offers no functional advantage over ±5% alternatives; standard 0805 thick-film resistors are more cost-effective for these applications.
How should the AT0805DRE0723K7L be soldered in high-volume manufacturing, and what reflow profile considerations apply?
The AT0805DRE0723K7L, being a thin-film 0805 with lead-free terminations, tolerates standard lead-free reflow profiles (peak temperature 240–250°C, time above 217°C of 60–90 seconds). The primary reflow consideration is thermal gradient: thin-film resistors are sensitive to rapid temperature ramps (>3°C/s) because the thin resistive layer can experience stress-induced cracking if heating is too aggressive. Most modern reflow ovens naturally limit ramp rates to 2–3°C/s, making the AT0805DRE0723K7L compatible without special profile adjustment. Hand-soldering with a soldering iron tip (~350°C, 2–3 seconds per pad) is acceptable for prototyping or rework but risks local overheating if the tip contacts the resistor body directly; apply solder to the pad and allow wetting to draw onto the AT0805DRE0723K7L lead. Avoid wave soldering or vapor-phase processes with temperature overshoots beyond 260°C, which can degrade the thin-film layer. Post-reflow thermal shock (immediate immersion in cleaning solution at room temperature) is generally safe but rapid cooling after hand-soldering can introduce micro-stress; allow 30–60 seconds natural cooling before fluid cleaning.
Can the AT0805DRE0723K7L be used in high-impedance precision circuits without introducing excessive noise or leakage current concerns?
The AT0805DRE0723K7L, at 23.7 kΩ, sits at the boundary between general-purpose and high-impedance regimes. In transimpedance amplifiers or precision voltage dividers with input-referred noise budgets below 100 μV RMS, the AT0805DRE0723K7L contributes Johnson noise of approximately √(4kT·R·Δf) ≈ 6 nV/√Hz at room temperature. Over a 10 kHz bandwidth (typical for precision ADC applications), this translates to ~190 nV RMS—acceptable for most 16-bit instrumentation. However, for true megohm-range precision circuits (leakage-current-sensitive transimpedance with >100 MΩ feedback resistors), the AT0805DRE0723K7L is not the limiting component; leakage from the operational amplifier input stage or PCB surface contamination dominates. The AT0805DRE0723K7L's thin-film construction offers inherently low current noise relative to thick-film alternatives due to lower shot-noise contribution. For circuits below 1 MΩ impedance, the AT0805DRE0723K7L introduces negligible noise; for higher impedances, validate that op-amp input-referred current noise and bias current limits are met independently.
How does automotive AEC-Q200 qualification of the AT0805DRE0723K7L affect its suitability for medical and aerospace applications?
The AT0805DRE0723K7L carries AEC-Q200 automotive qualification, confirming it meets accelerated life-test requirements (temperature cycling, power cycling, humidity bias) appropriate for -40°C to 150°C automotive ambient. Medical device standards (IEC 60601, IEC 62304) and aerospace standards (MIL-PRF-32159, MIL-PRF-32160) typically require either equivalent or more stringent qualification testing. The AT0805DRE0723K7L's AEC-Q200 pedigree provides evidence of reliability for medical Class II (non-critical) applications—such as patient monitoring interfaces or non-implantable sensor signal conditioning—without additional qualification cost. However, for Class III implantable devices or aerospace primary flight control systems, AEC-Q200 alone may not satisfy design assurance requirements; independent medical or aerospace qualification testing (worst-case HTOL, ESD, thermal shock) may be contractually mandated. For space applications beyond low-earth-orbit, radiation-hardened alternatives (RHA or screened lots) may be required; the AT0805DRE0723K7L is not inherently radiation-hardened. For most medical instrumentation and ground-based aerospace avionics, the AT0805DRE0723K7L's AEC-Q200 qualification provides sufficient reliability margin and simplifies supply-chain qualification.

Parts with Similar Specifications

The three parts on the right have similar specifications to YAGEO AT0805DRE0723K7L

Product Attribute AT0805DRE07237RL AT0805DRE07237KL AT0805DRE0723R7L AT0805DRE07243KL
Part Number AT0805DRE07237RL AT0805DRE07237KL AT0805DRE0723R7L AT0805DRE07243KL
Manufacturer YAGEO YAGEO YAGEO YAGEO
Temperature Coefficient - - - -
Series - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Features - - - Simultaneous Sampling
Composition - - - -
Tolerance - - - -
Power (Watts) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Terminations - - - -
Height - Seated (Max) - - - -
Failure Rate - - - -
Resistance - - - -
Ratings - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Size / Dimension - - - -

AT0805DRE0723K7L Datasheet PDF

Download AT0805DRE0723K7L pdf datasheets and YAGEO documentation for AT0805DRE0723K7L - 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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2.00kg-3.00kg USD$50.00 - USD$100.00
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AT0805DRE0723K7L Image

AT0805DRE0723K7L

YAGEO
98D-AT0805DRE0723K7L

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