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TTElectronics - Welwyn ASC20101K5FT4 Sulphur-Resistant Chip Resistor

The Anti Sulphur Chip Resistors from the ASC Series are specially designed to resist sulphide growth and withstand sulphur-rich environments. They are tested according to ASTM-B809 standards, making them suitable for industrial, automotive, and roadside applications. Constructed with a resistive element, glass inner protection, and epoxy outer protection on a high-quality alumina substrate, these resistors feature wrap-around solderable terminations with nickel barriers and a matte tin finish. They offer reliable performance under extreme environmental conditions such as high humidity, rapid temperature changes, and corrosive fumes.

Authorized Distributors
Source:Newark
Part No:ASC2010-1K5FT4
Stock:48000
Inv Date:06-09-2026
Price: Unit price: $0.162
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Source:DigiKey
Part No:ASC2010-1K5FT4
Stock:48000
Inv Date:06-09-2026
Price: Unit price: $0.109
Buy/RFQ:
Part No:ASC2010-1K5FT4
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.084
Buy/RFQ:

TTElectronics - Welwyn ASC20101K5FT4 Sulphur-Resistant Chip Resistor Specifications:

  • Resistance range: 24, 96 (E24), 96 (E96) series
  • Power rating at 70°C: varies with size
  • Resistance tolerance: ±1%
  • Limiting element voltages: 50V, 150V, 200V, 250V
  • Temperature coefficient: less than 100 ppm/°C for certain values
  • Ambient temperature range: -55°C to +155°C
  • Dimensions (mm): 0402 (1.0 x 0.5 x 0.35), 0603 (1.6 x 0.8 x 0.45), 0805 (2.0 x 1.2 x 0.52), 1206 (3.1 x 1.5 x 0.5), 1210 (3.2 x 2.0 x 0.55), 2010 (5.0 x 2.0 x 0.62), 2512 (6.35 x 3.2 x 0.62)
  • Construction includes resistive element, glass internal protection, epoxy coating, wrap-around soldering terminations with nickel barrier, matt tin finish
  • Maximum load at rated power: 1000 hours cyclic load at 70°C with 2% ΔAR
  • Short-term overload: 6.25 x rated power or 2 x LEV, AR% ±1%
  • Resistance to hydrogen sulphide: 1000 hours at 3-ppm H2S, 50°C, 92% RH with no visual defects
  • Resistance to solder heat: withstands 260°C for 10 seconds, AR% ±0.5%
  • Insulation resistance: >10GΩ at 2 x LEV for 60 seconds

Buy the TT electronics Series ASC Anti Sulphur Chip Resistors: ASC20101K5FT4

Order TT electronics ASC20101K5FT4 Sulphur-Resistant Chip Resistors online today for reliable performance in industrial, automotive, and roadside applications. Designed with special construction to resist sulphide growth, these resistors withstand harsh environments including sulphur fumes, high humidity, and rapid temperature changes. Their robust build features wrap-around solderable terminations with nickel barriers and matte tin finish, ensuring easy soldering and long-lasting durability. Perfect for demanding applications where environmental resistance and precise resistance values are essential, these resistors deliver consistent, dependable performance over extended service life.

Get TT electronics ASC20101K5FT4 today—built for precision, durability, and sulphur resistance in harsh environments.

Frequently Asked Questions

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You can download the ASC20101K5FT4 datasheet or visit the TTElectronics - Welwyn website for support.

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TTElectronics - Welwyn

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