Now in Stock: ASC0402-10KFT10 | Anti-Sulphur Thick Film Resistor from Welwyn Components | Brand New, Fully Traceable, and Ready to Ship!
The ASC0402-10KFT10 from Welwyn Components (TT Electronics) is a surface-mount thick film resistor engineered for reliable operation in sulphur-bearing and harsh environments. Part of the ASC Series Anti-Sulphur Chip Resistors, this component is specifically designed to resist sulphide growth that can cause premature failure in standard resistors.
With a 10 kΩ resistance value, ±1% tolerance, and a compact 0402 package, the ASC0402-10KFT10 is well suited to high-density designs in industrial, automotive, and roadside electronics, where environmental resilience is just as critical as electrical performance.
Let’s take a closer look at what makes this resistor a dependable choice for demanding applications.
Key Features of the ASC0402-10KFT10

Anti-Sulphur Construction
Special internal construction resists sulphide growth and withstands sulphur-bearing fume environments. The ASC series is tested to ASTM-B809 (‘Flowers-of-Sulphur’) standards.
10 kΩ Resistance, ±1% Tolerance
Provides stable resistance for signal conditioning, biasing, and control circuits using standard E24/E96 values.
0402 Surface-Mount Package
Ultra-compact footprint (1.0 × 0.5 mm) suitable for space-constrained PCB layouts.
0.063 W Power Rating at 70 °C
Rated for reliable low-power operation with linear derating to zero at 155 °C.
Wide Operating Temperature Range
Designed to operate from –55 °C to +155 °C, supporting use in demanding thermal environments.
AEC-Q200 Qualified
Qualified for automotive applications, meeting stringent reliability and performance requirements.
RoHS Compliant Terminations
Features electroplated nickel barrier terminations with 100% matt tin finish, compliant with EU RoHS directives.
Applications of the ASC0402-10KFT10
ASC series resistors are suitable for:
- Industrial electronics
- Automotive systems
- Roadside and infrastructure equipment
- Applications exposed to polluted or sulphur-rich atmospheres
FAQ: Why Source the ASC0402-10KFT10 from Component Sense?
Here are the most common questions procurement teams ask when sourcing the ASC0402-10KFT10:
Are the components you supply brand new and fully traceable?
Yes. All our stock is brand new, unused, and fully traceable back to tier-one OEM or EMS partners that adhere to strict handling and quality control processes.
We do not sell refurbished parts.
How does Component Sense ensure the authenticity of its components?
Every part goes through our industry-leading inspection process, developed in collaboration with top Scottish universities. We verify form, fit, and function and provide a 12-month warranty for added confidence.
Do you stock other components?
We hold over $1 billion worth of excess and obsolete (E&O) inventory.
Our frequently updated inventory ensures you can fulfil BOMs quickly and avoid production delays.
Our inventory is available for browsing here.
How quickly can you ship the ASC0402-10KFT10?
Since 2001, we’ve delivered fast quotes (under 1 hour) and a 95% on-time delivery rate, helping to keep your supply chain running smoothly.
Does Component Sense support sustainable purchasing?
Yes, sustainability is central to our mission. We extend the lifecycle of components by redistributing E&O stock, helping reduce global electronic waste.
With every order, we plant two trees, helping to offset carbon emissions and supporting global reforestation efforts.
Why should I source the ASC0402-10KFT10 from Component Sense?
We offer a combination of authenticity, traceability, and fast delivery, helping manufacturers reduce risk and maintain supply chain resilience.
When sourcing the ASC0402-10KFT10, choose Component Sense for authenticity, speed, and sustainability.