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HomeProductsResistorsChip Resistor - Surface MountAT0805DRE07220KL
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AT0805DRE07220KL - YAGEO

Manufacturer Part Number
AT0805DRE07220KL
Manufacturer
Yageo
Allelco Part Number
98D-AT0805DRE07220KL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
30,505 pcs available, New & Original
Parts Description
RES SMD 220K OHM 0.5% 1/8W 0805
Package
0805
Data sheet
AT0805DRE07220K.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 30505
  • 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

AT0805DRE07220KL Tech Specifications
YAGEO - AT0805DRE07220KL technical specifications, attributes, parameters and parts with similar specifications to YAGEO - AT0805DRE07220KL

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 220 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 AT0805DRE07220KL and standard carbon film resistors in the 220 kOhm range?
The AT0805DRE07220KL uses thin-film construction rather than carbon composition, which directly enables its ±0.5% tolerance and ±50ppm/°C temperature coefficient. Carbon film resistors typically achieve only ±5% tolerance with higher temperature drift. For the AT0805DRE07220KL, the thin-film process creates a laser-trimmed resistive layer, resulting in tighter initial accuracy and significantly reduced performance variation across the -55°C to 155°C operating range. This makes the AT0805DRE07220KL more suitable for precision analog circuits, sensor conditioning, and measurement instruments where absolute resistance stability matters.
Can the AT0805DRE07220KL be used in automotive applications without additional qualification?
Yes, the AT0805DRE07220KL carries AEC-Q200 qualification, which is the automotive reliability standard. This qualification confirms the AT0805DRE07220KL meets stringent automotive temperature cycling, vibration, and moisture exposure requirements. The combination of AEC-Q200 rating, anti-sulfur coating, and MSL 1 moisture sensitivity means the AT0805DRE07220KL can be deployed directly in underhood and engine-bay circuits without requiring separate qualification or derating protocols. The anti-sulfur feature specifically protects against corrosion from hydrogen sulfide exposure in industrial and harsh environments.
How does the 1/8W power rating of the AT0805DRE07220KL affect circuit design in high-impedance signal paths?
The AT0805DRE07220KL's 0.125W rating is sufficient for most high-impedance biasing and pull-up applications because power dissipation scales with I²R. At 220 kΩ, a 10V bias voltage produces only 0.45mW of dissipation, well below the 1/8W limit. However, in transient or surge conditions, the AT0805DRE07220KL can safely handle momentary overcurrent without permanent resistance drift. The thin-film construction of the AT0805DRE07220KL also exhibits better pulse handling than thick-film alternatives because the resistive element distributes heat more uniformly, reducing localized hotspots that can cause premature wear.
Why is the ±50ppm/°C temperature coefficient critical for precision sensor interface circuits using the AT0805DRE07220KL?
In sensor conditioning circuits, ratiometric accuracy depends on matching temperature behavior across resistor networks. The AT0805DRE07220KL's ±50ppm/°C coefficient means the 220 kΩ value will drift by approximately ±11 Ω per degree Celsius—a maximum of ±1.1 kΩ across the full -55°C to 155°C range. For a voltage divider or transimpedance amplifier using the AT0805DRE07220KL, this translates to roughly ±0.5% output error over temperature if all resistors track together. Without this tight temperature stability, sensor linearity corrections and calibration data would require frequent recalibration in automotive and industrial environments. The thin-film design of the AT0805DRE07220KL inherently achieves this low coefficient because the resistive material exhibits minimal dopant drift across temperature.
What is the practical difference in moisture performance between the AT0805DRE07220KL (MSL 1) and standard MSL 2A resistors?
The AT0805DRE07220KL carries MSL 1 (Unlimited), meaning no moisture precautions are required before assembly. MSL 2A components require dry-bag storage and limited floor-life windows, imposing inventory management costs and waste risk. For the AT0805DRE07220KL, this unlimited rating reflects the combination of anti-sulfur coating and moisture-resistant thin-film construction. The AT0805DRE07220KL can be stored on open reels indefinitely without bake-out procedures, simplifying supply chain logistics in high-volume production. In contract manufacturing environments, the MSL 1 rating of the AT0805DRE07220KL eliminates rework risk from moisture-induced delamination, particularly in tropical or humid assembly facilities.
How should the AT0805DRE07220KL be specified in precision filter and oscillator networks compared to 1% tolerance alternatives?
The AT0805DRE07220KL's ±0.5% tolerance allows tighter filter cutoff frequency control and faster oscillator frequency settling compared to 1% resistors. For a first-order RC filter using the AT0805DRE07220KL at 220 kΩ with a 10nF capacitor, the nominal cutoff frequency is approximately 72 Hz. With ±0.5% tolerance on the AT0805DRE07220KL and typical ±5% on the capacitor, the filter cutoff spreads to roughly 68–77 Hz. If a 1% resistor were substituted, the tighter resistor tolerance improves cutoff consistency by only 6%, but the AT0805DRE07220KL's dramatically lower cost-per-unit makes the 0.5% grade economically justified when precision matters without requiring expensive 0.1% components.
Can the AT0805DRE07220KL be paralleled or serially cascaded without affecting its temperature coefficient or tolerance specification?
When two AT0805DRE07220KL resistors are placed in parallel to achieve 110 kΩ, the effective tolerance becomes ±0.5% only if both units are from the same manufacturing batch and temperature coefficient tracking is maintained. In practice, individual AT0805DRE07220KL units from different lots may exhibit ±0.5% spread around nominal within the factory tolerance band, so paralleling two units produces an effective tolerance closer to ±0.35% due to averaging. Series combinations of the AT0805DRE07220KL maintain the ±0.5% tolerance specification because resistance errors accumulate linearly; however, the temperature coefficient remains ±50ppm/°C on the combined string. For critical applications, paralleling or seriding the AT0805DRE07220KL is acceptable only when both units are matched-pair selected or when the circuit topology permits independent tolerance budgeting.
What soldering and thermal management considerations apply to the AT0805DRE07220KL in dense PCB layouts?
The AT0805DRE07220KL's 0.60mm maximum seated height and 0.125W power rating mean thermal coupling to the PCB is significant in high-density layouts. During reflow, the AT0805DRE07220KL experiences peak temperatures around 260°C for 10–30 seconds; the thin-film element can tolerate this because the solder joint itself limits sustained heat conduction. However, if the AT0805DRE07220KL is placed directly adjacent to high-power components, PCB temperature rise can cause the AT0805DRE07220KL's actual operating point to deviate from the -55°C to 155°C rating. Thermal modeling and trace routing around the AT0805DRE07220KL are recommended in power-dense regions to maintain the ±50ppm/°C coefficient stability. Lead-free soldering (ROHS3 compliant as noted for the AT0805DRE07220KL) requires slightly higher reflow temperatures but does not degrade thin-film performance when IPC-A-610 thermal profiles are followed.
How does the AT0805DRE07220KL compare to wirewound resistors for low-frequency precision circuits?
Wirewound resistors offer superior temperature coefficients (down to ±25ppm/°C) but introduce parasitic inductance—typically 5–20nH for 220 kΩ values—that can cause phase shift and resonance in circuits above 100 kHz. The AT0805DRE07220KL eliminates this inductance concern because the thin-film planar geometry minimizes loop area, making the AT0805DRE07220KL suitable for mixed analog/RF applications where wirewound alternatives would degrade performance. For frequencies below 10 kHz, wirewound units may offer marginally better absolute accuracy, but the AT0805DRE07220KL's ±0.5% tolerance, anti-sulfur rating, and MSL 1 status make it more practical for modern surface-mount production and harsh-environment deployment than wirewound through-hole alternatives.
What failure mechanisms should be anticipated for the AT0805DRE07220KL under extended elevated-temperature operation?
The AT0805DRE07220KL's thin-film resistive element exhibits gradual resistance drift above 125°C due to dopant migration and microstructural stress in the film. Extended operation near the 155°C upper limit can produce 0.1–0.3% permanent drift over 10,000 hours, exceeding the initial ±0.5% tolerance band. The AT0805DRE07220KL's anti-sulfur coating protects against corrosion-induced shorts, but mechanical stress from thermal cycling (-55°C to 155°C excursions) can degrade solder joint reliability faster than the resistor element itself. For mission-critical automotive applications, the AT0805DRE07220KL should be derated to continuous operation below 130°C and cycled no more than 500 times across the full temperature range to maintain long-term reliability margins consistent with AEC-Q200 expectations.
Is the AT0805DRE07220KL suitable for high-speed amplifier feedback networks, and what frequency limits apply?
The AT0805DRE07220KL can be used in transimpedance and feedback networks up to roughly 1 MHz before parasitic inductance and capacitive coupling between leads become significant. The planar thin-film construction of the AT0805DRE07220KL keeps parasitic elements minimal (typically <1pF and <0.5nH), but in feedback paths of 100MHz+ op-amps, phase lag from the AT0805DRE07220KL's parasitic RC network can degrade stability margins. For circuits operating above 10 MHz, the AT0805DRE07220KL should be complemented with bypass capacitors very close to the amplifier inputs, and layout inductance must be minimized through short, wide traces. The 0805 package of the AT0805DRE07220KL is relatively large for RF work; smaller packages (0603 or 0402) would be preferable at gigahertz frequencies, but the AT0805DRE07220KL remains adequate for most precision audio and instrumentation amplifier designs.
How should procurement and incoming quality verification be structured for AT0805DRE07220KL components in safety-critical applications?
The AT0805DRE07220KL's AEC-Q200 qualification implies compliance with automotive reliability standards, but independent verification is prudent in safety-critical designs. Incoming inspection should include visual reflow-crack assessment, resistance measurement at both 25°C and 85°C to verify temperature coefficient behavior, and moisture resistance testing if components have been stored beyond MSL 1 guidelines. The AT0805DRE07220KL's ROHS3 compliance and REACH Unaffected status simplify supply-chain documentation, but traceability to YAGEO manufacturing lot codes is essential for field-return investigation. Statistical sampling of AT0805DRE07220KL units from multiple supplier batches can quantify within-lot tolerance spread and identify any drift from nominal that might signal process drift. For automotive, medical, or aerospace applications, establishing a qualified supplier agreement that includes periodic AT0805DRE07220KL failure-analysis reports strengthens design validation and reduces risk of supply-induced field failures.

Parts with Similar Specifications

The three parts on the right have similar specifications to YAGEO AT0805DRE07220KL

Product Attribute AT0805DRE0722KL AT0805DRE0722K1L AT0805DRE07210KL AT0805DRE07226KL
Part Number AT0805DRE0722KL AT0805DRE0722K1L AT0805DRE07210KL AT0805DRE07226KL
Manufacturer YAGEO YAGEO YAGEO YAGEO
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Size / Dimension - - - -
Temperature Coefficient - - - -
Series - - - -
Tolerance - - - -
Features - - - Simultaneous Sampling
Resistance - - - -
Composition - - - -
Ratings - - - -
Failure Rate - - - -
Power (Watts) - - - -
Height - Seated (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Terminations - - - -

AT0805DRE07220KL Datasheet PDF

Download AT0805DRE07220KL pdf datasheets and YAGEO documentation for AT0805DRE07220KL - YAGEO.

Datasheets
AT Series, Automotive.pdf

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AT0805DRE07220KL Image

AT0805DRE07220KL

YAGEO
98D-AT0805DRE07220KL

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