Alpha Electronics

Resistor series

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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 MATF Series

Precision thin film resistor (transfer moulded)
Resistance ranges from 200kΩ up to 10MΩ
Tolerances from ±0.01% up to ±0.01% (model dependant)
TCR of 0±1ppm/°C to 0±10ppm/°C (model dependant)
Pin pitch of 3.81±0.25mm
Lead length of 25±10mm
Working 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 MCTF Series

Precision thin film resistor (transfer moulded)
Resistance ranges from 200kΩ up to 10MΩ
Tolerances from ±0.01% up to ±0.01% (model dependant)
TCR of 0±1ppm/°C to 0±10ppm/°C (model dependant)
Pin pitch of 35.08±0.25mm
Lead length of 10±3mm
Working temperature range from -65°C up to +175°C

Alpha MD Series

Ultra-precision transfer moulded resistor
Resistance range form 5Ω to 80kΩ
Tolerance from ±0.005% to ±1%
TCR of ±1 ppm/°C, ±2.5 ppm/°C or ±5 ppm/°C
Power rating of 0.125W (at 125°C)
Temperature range from -65°C up to +175°C

Alpha PB Series

Ultra-precision power resistor
Resistance range form 0.4Ω to 50kΩ
Tolerance from ±0.02% 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 125°C)
Temperature range from -55°C up to +155°C

Alpha PC Series

Ultra-precision power resistor
Resistance range form 0.002Ω to 100Ω
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 125°C)
Temperature range from -55°C up to +155°C

Alpha PD Series

Ultra-precision power resistor
Resistance range form 0.1Ω to 10kΩ
Tolerance from ±0.02% to ±5%
TCR of ±2.5 ppm/°C, ±5 ppm/°C or ±15 ppm/°C
Power rating of upto 8W (on a heat sink at 25°C)
Temperature range from -55°C up to +155°C