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AR05BTCW1003
Viking Tech
RES 100K OHM 0.1% 1/8W 0805
20242 Pcs New Original In Stock
100 kOhms ±0.1% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Thin Film
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5.0 / 5.0
- (108 Ratings)
AR05BTCW1003
Product Overview
9206122
DiGi Electronics Part Number
AR05BTCW1003-DGManufacturer
Viking Tech
AR05BTCW1003
Description
RES 100K OHM 0.1% 1/8W 0805Inventory
20242 Pcs New Original In Stock
100 kOhms ±0.1% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Thin Film
Quantity
Minimum 1
Minimum 1
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AR05BTCW1003 Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Tape & Reel (TR)
Series
AR
Product Status
Active
Resistance
100 kOhms
Tolerance
±0.1%
Power (Watts)
0.125W, 1/8W
Composition
Thin Film
Features
-
Temperature Coefficient
±25ppm/°C
Operating Temperature
-55°C ~ 155°C
Package / Case
0805 (2012 Metric)
Supplier Device Package
0805
Ratings
-
Size / Dimension
0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)
0.026" (0.65mm)
Number of Terminations
2
Failure Rate
-
Base Product Number
AR05BTC
Datasheet & Documents
HTML Datasheet
AR05BTCW1003-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8533.40.0000
Additional Information
Other Names
2577-AR05BTCW1003TR
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Die Qualität ist erstklassig, die Preise sehr günstig, und der Versand erfolgte prompt.
Dec 02, 2025
I found it very easy to review my order and make changes before checkout.
Dec 02, 2025
Their packaging solutions are thoughtfully designed to be eco-friendly and cost-effective.
Dec 02, 2025
Their diverse product lineup reflects a commitment to innovation and customer satisfaction.
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Frequently Asked Questions (FAQ)
When replacing a precision 100kΩ resistor in a low-drift analog front-end, how does the AR05BTCW1003 compare to the Vishay PTF56100K00BZEK or Yageo RT0805BRD10100KL in terms of long-term stability and thermal EMF?
The AR05BTCW1003 offers ±25ppm/°C TCR and 0.1% tolerance, making it competitive with the Vishay PTF56 for low-drift applications, though Vishay’s part typically has better long-term stability (<50ppm over 1000 hours) due to enhanced thin-film processing. Compared to the Yageo RT0805BRD10100KL (±100ppm/°C), the Viking Tech resistor provides significantly lower drift. However, the AR05BTCW1003 lacks published thermal EMF data—unlike Vishay’s <0.05µV/°C—so in high-impedance, low-level signal paths, consider adding guard rings or selecting a part with verified low thermal EMF if drift under thermal gradients is critical.
Can the AR05BTCW1003 be safely used in a 48V industrial sensor interface where surge immunity is a concern, given its 0.125W rating and 0805 package size?
While the AR05BTCW1003 is rated for 0.125W continuous power, its 0805 package has limited surge-handling capability. At 100kΩ, 48V draws only 2.3mA (P = V²/R ≈ 1.1mW), well within steady-state limits. However, inductive transients or ESD events can cause localized heating or dielectric breakdown. For industrial environments, add a TVS diode or series current-limiting resistor upstream. Also, ensure PCB creepage distance meets safety standards—0805 pads may not suffice for reinforced isolation at 48V in humid conditions. Consider conformal coating or relocating the resistor away from board edges to mitigate arcing risk.
What are the risks of substituting the AR05BTCW1003 for a metal foil resistor like the Vishay Z201 in a precision voltage divider for a 24-bit ADC reference?
Substituting the AR05BTCW1003 (thin film, ±25ppm/°C) for a metal foil resistor like the Z201 (±0.2ppm/°C, near-zero current noise) introduces measurable error in high-resolution systems. Over a 50°C swing, the AR05BTCW1003 can drift up to 1.25%, whereas the Z201 drifts <0.01%. Additionally, thin-film resistors exhibit higher current noise and voltage coefficient effects. In a 24-bit ADC reference divider, this could manifest as LSB-level instability. If cost or space constraints prevent using metal foil, pair the AR05BTCW1003 with a low-drift op-amp buffer and implement thermal stabilization or periodic calibration to mitigate drift-induced errors.
How does moisture exposure affect the long-term reliability of the AR05BTCW1003 in outdoor IoT sensor nodes, and what design practices mitigate MSL-1 limitations?
Although the AR05BTCW1003 is rated MSL-1 (unlimited floor life), thin-film resistors are susceptible to moisture-induced migration and corrosion under sustained high humidity, especially with DC bias. In outdoor IoT nodes, condensation can lead to increased leakage or resistance shift over time. To mitigate: use hydrophobic conformal coating (e.g., silicone or parylene), avoid placing the resistor near board edges or in stagnant air pockets, and ensure minimal voltage gradient across terminals (<10V/mm). Also, consider derating the operating voltage to <50% of max to reduce electrolytic degradation risk in humid environments.
Is the AR05BTCW1003 suitable for high-altitude aerospace applications where partial discharge and outgassing are concerns, despite its -55°C to 155°C operating range?
While the AR05BTCW1003 meets the temperature range for many aerospace applications, its thin-film construction and organic solder mask interface raise concerns about partial discharge above 10km altitude and outgassing under vacuum. The component lacks qualification to MIL-PRF-55342 or ESA outgassing standards (e.g., ECSS-Q-ST-70-02). For non-critical secondary circuits, it may be acceptable with rigorous derating and encapsulation. However, for primary power or signal paths in vacuum or high-altitude environments, use hermetically sealed or ceramic-packaged resistors (e.g., Vishay MC series) with verified low outgassing and corona-resistant design to prevent insulation breakdown and contamination.
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AR05BTCW1003 CAD Models
Viking Tech AR05BTCW1003 PCB symbols & footprints
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