1Ω series

  • Alpha Electronics
  • Ultra-stable primary standard resistor
  • Resistance range from 1Ω to 10KΩ
  • Accuracy of ±2 ppm
  • TCR of ±0.05 ppm/°C
  • Power rating of 1W
  • long-term stability of resistance 0.5 ppm/year
  • General Resistance
  • Wirewound axial leaded precision resistor
  • Resistance range from 1Ω up to 699kΩ
  • Tight tolerances of ±0.01% and ±0.1%
  • TCR of ±5 ppm/°C
  • Power rating from 0.33W (8G16D model)
  • Temperature range from -55°C up to +160°C
  • General Resistance
  • Wirewound axial leaded precision resistor
  • Resistance range from 1Ω up to 699kΩ
  • Tight tolerances of ±0.01% and ±0.1%
  • TCR of ±5 ppm/°C
  • Power rating up to 0.33W (8E16D model)
  • Temperature range from -55°C up to +160°C
  • Caddock
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 200V
  • Compact rectangular package with standard lead spacing
  • Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
  • Extended life stability is typically better than 0.1% per 1,000 hours
  • Temperature range from -40°C up to +150°C
  • Caddock
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 200V
  • Compact rectangular package with standard lead spacing
  • Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
  • Extended life stability is typically better than 0.1% per 1,000 hours
  • Temperature range from -40°C up to +150°C
  • RARA
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 1.1kΩ
  • Power rating of 100W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For UL Approval see the ULF Series
  • RARA
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 1.75kΩ
  • Power rating of 150W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For UL Approval see the ULF Series
  • RARA
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 2.2kΩ
  • Power rating of 200W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For UL Approval see the ULF Series
  • RARA
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 2.79kΩ
  • Power rating of 250W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For UL Approval see the ULF Series
  • RARA
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 3.5kΩ
  • Power rating of 300W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For UL Approval see the ULF Series
  • RARA
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 4.45kΩ
  • Power rating of 400W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For UL Approval see the ULF Series
  • RARA
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 5.78kΩ
  • Power rating of 500W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For UL Approval see the ULF Series
  • RARA
  • Flat and narrow type metal clad wire wound resistor
  • Cement or silicone filling material with an extruded aluminium housing
  • 300mm flying leads
  • Excellent heat dissipation
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C (cement) / +150°C (silicone)
  • Short time overload of 5 x power rating is 5 seconds
  • RARA
  • Flat and narrow type metal clad wire wound resistor
  • Cement or silicone filling material with an extruded aluminium housing
  • 300mm flying leads
  • Excellent heat dissipation
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C (cement) / +150°C (silicone)
  • Short time overload of 5 x power rating is 5 seconds
  • RARA
  • Flat and narrow type metal clad wire wound resistor
  • Cement or silicone filling material with an extruded aluminium housing
  • 300mm flying leads
  • Excellent heat dissipation
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C (cement) / +150°C (silicone)
  • Short time overload of 5 x power rating is 5 seconds
  • RARA
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 1.1kΩ
  • Power rating of 100W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For Non UL Approval see the IRF Series
Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.