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Alpha Electronics

Shunt series

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Alpha PE Series

Ultra-precision 4 terminal shunt resistor
Resistance range form 0.5Ω to 500Ω
Tolerance from ±0.01% to ±5%
TCR of ±2.5 ppm/°C, ±5 ppm/°C or ±15 ppm/°C
Power rating of upto 10W (on a heat sink at 70°C)
Temperature range from -55°C up to +155°C

Alpha PSB Series

Ultra-precision power shunt resistor
Resistance range form 0.001Ω to 1Ω
Tolerance of ±0.1%, ±0.5% or 1%
TCR of ±5 ppm/°C or ±15 ppm/°C
Power rating of upto 40W (on a heat sink at 25°C)
Temperature range from -55°C up to +85°C

Powertron FHR 2-3025 Series

Precision power shunt resistor
Through-hole design with heat sink
Resistance range from 0.01Ω to 100Ω
Tolerance from ±0.25% or ±5%
TCR of <±50 ppm/°C
Power rating of 40W on a suitable heat sink
Temperature range from -40°C to +130°C

Powertron FHR 2-3818 Series

Precision power shunt resistor
Through-hole design with heat sink
Resistance range from 0.01Ω to 100Ω
Tolerance from ±0.25% or ±5%
TCR of <±50 ppm/°C
Power rating of 40W on a suitable heat sink
Temperature range from -40°C to +130°C

Powertron FHR 4-2321 Series

Precision power shunt resistor
4-terminal through-hole design
Resistance range from 0.001Ω to 50Ω
Tolerance from ±0.1%
TCR of 15 ppm/°C or 25ppm/°C
Power rating 40W on a suitable heat sink
Temperature range from -40°C to +130°C

RARA RH50 (Inductive)

Metal clad wire wound resistor
Resistance range between 0.68Ω and 50kΩ
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +250°C
Cement moulding within aluminium housing
Short time overload of 5 x power rating is 5 seconds
Mounts on chassis to utilise heat sink effect

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