Alpha Electronics

1W series

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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 SE Series

Conformally coated precision resistor network
Resistance range 30Ω and 120kΩ
Tolerance from ±0.05% to ±0.1% available
TCR of ±5 ppm/°C
Power rating of 1W (at +70°C)
Temperature range from -25°C to +125°C

Alpha USR-SF Series

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

Caddock 1787 Series

Current sensing resistor network
Resistance ranges from 0.9Ω to 1kΩ
Absolute Tolerance of ±0.05%, ±0.1% or ±0.25%
TCR from ±50 ppm/°C to ±100 ppm/°C
Power rating of 1W depending on the model
Temperature range from -55°C to +85°C

Caddock CD2015FC Series

Low resistance precision flip-chip surface-mount resistor
Utilises the proven Caddock Micronox® resistance films to achieve the unique low resistance range
Pedestal terminal design helps maintain precision and its copper core provides heat spreading which enhances the high power handling capabilities
Chip size of 2015
Bare ceramic back surface
Inductance of less than 5nH typical
Maximum chip temperature of +150°C
Temperature range of -55°C to +150°C

Caddock MG Standard Range

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 600V up to 30kV *
Resistance values from 200Ω up to 2GΩ *
Tolerances of ±0.1%, ±0.25%, ±0.5% and ±1%
TCR as tight as ±80 ppm/°C from -15°C to +105°C
Maximum power rating from 0.5W up to 15W *
Operating Temperature Range of -55°C to +225°C

_{* Dependant on selected resistor model}

Caddock CC2015FC Series

Current sensing resistor
Resistance range from 0.02Ω to 10Ω
Tolerance from ±1.0% to ±5.0%
TCR of -20 to +80, 0 to +200 or +300 ppm/°C
Power rating of 1W at 70°C
Temperature range from -55°C to +150°C

Caddock MG -15 Range

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 960V up to 48kV *
Resistance values from 6.5MΩ up to 2GΩ *
Tolerances of ±1% and ±5%
TCR as tight as ±80 ppm/°C from -15°C to +105°C
Maximum power rating from 0.5W up to 15W *
Operating Temperature Range of -55°C to +225°C

_{* Dependant on selected resistor model}

Caddock MM Series

Precision high voltage through-hole resistor
Maximum operating voltage from 200V up to 800V (standard series)
Utilises Caddock’s Micronox® resistance film
Non-inductive performance available
High power rating at +125°C
Maximum operating temperature to +275°C
Extended life stability of 0.1% per 1,000 hours

Caddock MS Series

Precision high temperature power axial leaded through-hole resistor
Maximum operating voltage up to 6kV
Maximum operating temperature up to +275°C
Utilises Caddock’s Micronox® resistance film for outstanding stability when exposed to a high ambient temperature, thermal shock and high power densities
MS resistors have demonstrated excellent long-term stability of 0.05% per 1,000 hours over extended life
Caddock’s non-inductive design available on some models

Caddock SR10 Series

Low resistance precision current sense through-hole resistor
4-terminal (Kelvin terminals) design
Compact footprint
Utilises Caddock’s Micronox® resistance film
Temperature range up to +150°C
Utilises Caddock’s non-inductive design

Caddock TG Series

Precision high voltage axial leaded through-hole resistor
Maximum operating voltage from 4kV up to 30kV (standard series)
Utilises Caddock’s Tetrinox® resistance film to achieve the unique combination of low TCR and high stability performance
Load life stability of 0.25% per 1,000 hours at +125°C
-15 series increases the maximum voltage ratings by 60% (48kV for the TG1015 model)
Maximum continuous operating temperature of +225°C

Isabellenhütte CMK Series

Current sensing resistor
Resistance range from 0.01Ω to 0.1Ω
Tolerances of ±1% and ±5%
TCR of <50 ppm/°C
Power rating 1W (at +70°C)
Temperature range from -65°C to +170°C

Isabellenhütte CMP Series

Current sensing resistor
Surface-mount 2010 chip size
Resistance range from 0.01Ω to 0.5Ω
Tolerances of ±1% and ±5%
TCR of <50 ppm/°C
Power rating 2W (at +70°C)
Temperature range from -65°C to +170°C

Isabellenhütte FMK Series

Current sensing resistor
Surface-mount 1206 chip size
Resistance range from 0.0015Ω to 0.006Ω
Tolerances of ±1% and ±5%
TCR of <50 ppm/°C
Power rating up to 4W at 70°C
Temperature range from -65°C to +170°C

Isabellenhütte FMP Series

Current sensing resistor
Surface-mount 2010 chip size
Resistance range from 0.0015Ω to 0.006Ω
Tolerances of ±1.0% and ±5.0%
TCR of <50 ppm/K
Power rating up to 4W (at 70°C)
Temperature range from -65°C to +170°C