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Supporting Manufacturer Information

Ultra-Precision series

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

Alpha RBD Series

Ultra-precision current sensing resistor
Resistance range form 0.01Ω to 1Ω
Tolerance from ±0.5% to ±5%
TCR of ±10 ppm/°C or ±25 ppm/°C
Power rating of 0.5W (at 70°C)
Temperature range from -65°C to +155°C

Alpha RBF Series

Ultra-precision current sensing resistor
Resistance range form 0.01Ω to 1Ω
Tolerance from ±0.5% to ±5%
TCR of ±10 ppm/°C or ±25 ppm/°C
Power rating of 1W (at 70°C)
Temperature range from -65°C to +155°C

Alpha RBH Series

Ultra-precision current sensing resistor
Resistance range form 0.01Ω to 0.1Ω
Tolerance from ±0.5% to ±5%
TCR of ±10 ppm/°C or ±25 ppm/°C
Power rating of 1.5W (at 70°C)
Temperature range from -65°C to +155°C

Alpha SC Series

Ultra precision resistor network
Resistance range form 30Ω to 120kΩ
Tolerance from ±0.01% to ±0.5%
TCR of ±5 ppm/°C
Power rating of 1.5W (at 70°C)
Temperature range from -65°C to +155°C

Alpha SLD Series

Ultra precision, 2 element resistor network
Resistance range 50Ω and 30kΩ
Tolerance from ±0.05% to ±0.1% available
TCR of ±2.5 ppm/°C or ±5 ppm/°C
Power rating of 0.25W (at +70°C)
Temperature range from -25°C to +125°C

Alpha SM Series

Ultra precision, 2 element resistor network
Resistance range 50Ω and 30kΩ
Tolerance from ±0.05% to ±0.1% available
TCR of ±2.5 ppm/°C or ±5 ppm/°C
Power rating of 0.3W (at +125°C)
Temperature range from -65°C to +150°C

Alpha HC Series

Ultra-precision hermetically sealed resistor
Resistance range form 1Ω to 120kΩ
Tolerance from ±0.005% to ±1%
TCR from ±1 ppm/°C to ±15 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +150°C

Alpha HD Series

Ultra-precision hermetically sealed resistor
Resistance range form 1Ω to 120kΩ
Tolerance from ±0.005% to ±1%
TCR from ±1 ppm/°C to ±15 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +150°C

Alpha HG Series

Ultra-precision hermetically sealed resistor
Resistance range form 1Ω to 10kΩ
Tolerance from ±0.005% to ±1%
TCR of ±1 ppm/°C or ±2.5 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +150°C

Alpha HK Series

Ultra-precision hermetically sealed resistor
Resistance range form 100Ω to 100kΩ
Tolerance from ±0.005% to ±1%
Characteristic S Zero-TCR
Power rating of 0.3W (at 70°C)
Temperature range from -65°C up to +150°C

Alpha HL Series

Ultra-precision hermetically sealed resistor
Resistance range form 100Ω to 100kΩ
Tolerance from ±0.005% to ±1%
Characteristic S Zero-TCR
Power rating of 0.3W (at 70°C)
Temperature range from -65°C up to +150°C

Alpha MA Series

Ultra-precision transfer moulded resistor
Resistance range form 1Ω to 200kΩ
Tolerance from ±0.005% to ±1%
TCR from ±1 ppm/°C to ±15 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +175°C

Alpha MB Series

Ultra-precision transfer moulded resistor
Resistance range form 5Ω to 400kΩ
Tolerance from ±0.005% to ±1%
TCR of ±1 ppm/°C, ±2.5 ppm/°C or ±5 ppm/°C
Power rating of 0.5W (at 125°C)
Temperature range from -65°C up to +175°C

Alpha MC Series

Ultra-precision transfer moulded resistor
Resistance range form 1Ω to 200kΩ
Tolerance from ±0.005% to ±1%
TCR from ±1 ppm/°C to ±15 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +175°C

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

Alpha RBD Series

Ultra-precision current sensing resistor
Resistance range form 0.01Ω to 1Ω
Tolerance from ±0.5% to ±5%
TCR of ±10 ppm/°C or ±25 ppm/°C
Power rating of 0.5W (at 70°C)
Temperature range from -65°C to +155°C

Alpha RBF Series

Ultra-precision current sensing resistor
Resistance range form 0.01Ω to 1Ω
Tolerance from ±0.5% to ±5%
TCR of ±10 ppm/°C or ±25 ppm/°C
Power rating of 1W (at 70°C)
Temperature range from -65°C to +155°C

Alpha RBH Series

Ultra-precision current sensing resistor
Resistance range form 0.01Ω to 0.1Ω
Tolerance from ±0.5% to ±5%
TCR of ±10 ppm/°C or ±25 ppm/°C
Power rating of 1.5W (at 70°C)
Temperature range from -65°C to +155°C

Alpha SC Series

Ultra precision resistor network
Resistance range form 30Ω to 120kΩ
Tolerance from ±0.01% to ±0.5%
TCR of ±5 ppm/°C
Power rating of 1.5W (at 70°C)
Temperature range from -65°C to +155°C

Alpha SLD Series

Ultra precision, 2 element resistor network
Resistance range 50Ω and 30kΩ
Tolerance from ±0.05% to ±0.1% available
TCR of ±2.5 ppm/°C or ±5 ppm/°C
Power rating of 0.25W (at +70°C)
Temperature range from -25°C to +125°C

Alpha SM Series

Ultra precision, 2 element resistor network
Resistance range 50Ω and 30kΩ
Tolerance from ±0.05% to ±0.1% available
TCR of ±2.5 ppm/°C or ±5 ppm/°C
Power rating of 0.3W (at +125°C)
Temperature range from -65°C to +150°C

Alpha HC Series

Ultra-precision hermetically sealed resistor
Resistance range form 1Ω to 120kΩ
Tolerance from ±0.005% to ±1%
TCR from ±1 ppm/°C to ±15 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +150°C

Alpha HD Series

Ultra-precision hermetically sealed resistor
Resistance range form 1Ω to 120kΩ
Tolerance from ±0.005% to ±1%
TCR from ±1 ppm/°C to ±15 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +150°C

Alpha HG Series

Ultra-precision hermetically sealed resistor
Resistance range form 1Ω to 10kΩ
Tolerance from ±0.005% to ±1%
TCR of ±1 ppm/°C or ±2.5 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +150°C

Alpha HK Series

Ultra-precision hermetically sealed resistor
Resistance range form 100Ω to 100kΩ
Tolerance from ±0.005% to ±1%
Characteristic S Zero-TCR
Power rating of 0.3W (at 70°C)
Temperature range from -65°C up to +150°C

Alpha HL Series

Ultra-precision hermetically sealed resistor
Resistance range form 100Ω to 100kΩ
Tolerance from ±0.005% to ±1%
Characteristic S Zero-TCR
Power rating of 0.3W (at 70°C)
Temperature range from -65°C up to +150°C

Alpha MA Series

Ultra-precision transfer moulded resistor
Resistance range form 1Ω to 200kΩ
Tolerance from ±0.005% to ±1%
TCR from ±1 ppm/°C to ±15 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +175°C

Alpha MB Series

Ultra-precision transfer moulded resistor
Resistance range form 5Ω to 400kΩ
Tolerance from ±0.005% to ±1%
TCR of ±1 ppm/°C, ±2.5 ppm/°C or ±5 ppm/°C
Power rating of 0.5W (at 125°C)
Temperature range from -65°C up to +175°C

Alpha MC Series

Ultra-precision transfer moulded resistor
Resistance range form 1Ω to 200kΩ
Tolerance from ±0.005% to ±1%
TCR from ±1 ppm/°C to ±15 ppm/°C
Power rating of 0.3W (at 125°C)
Temperature range from -65°C up to +175°C