+44 (0) 1342 330 470

We’re Exhibiting at Space Tech Europe 2025

Space Tech Expo Europe, 18-20th November 2025, Bremen, Germany, Stand G56

Supporting Manufacturer Information

RARA Product Brochure

2W series

RARA SMF Series

High-precision metal film surface-mount resistors
Power ratings available: 2W, 3W and 5W
Resistance range: 10Ω to 2MΩ
Tight tolerances: ±1% and ±5%
Temperature coefficient: 200 ppm/°C
Flameproof UL94V0 moulded package for added safety

RARA SMW Series

High-power wire wound surface-mount resistors
Power ratings available: 2W, 3W, and 5W
Wide resistance range: 0.1Ω to 500Ω
Precision tolerances: ±1% & ±5%
Temperature coefficient: 200 ppm/°C
Flameproof UL94V0 molded package for high safety

Caddock 1789 Series

Precision resistor network
Resistance range from 0.5Ω to 10kΩ
Tolerance of ±0.05% to ±1.0%
TCR of ±50, ±80 or ±100 ppm/°C
Power rating of 100mW up to 2W per resistor
Temperature range from 0°C to +70°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 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 MG Extended Range

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 2kV up to 30kV *
Resistance values from 600Ω up to 10GΩ *
Tolerances of ±1% and ±5%
TCR as tight as ±80 ppm/°C from +25°C to +105°C
Operating Temperature Range of -55°C to +225°C
Maximum power rating from 1.5W up to 15W *

_{* Dependant on selected resistor model}

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 MV Series

Low resistance high temperature power axial leaded through-hole resistor
Maximum operating temperature up to +275°C
Utilises Caddock’s Micronox® resistance film
Five sizes and power ratings
Utilises Caddock’s non-inductive design

Caddock MX500 Series

High ohmic high voltage axial leaded through-hole resistor
Maximum operating temperature up to +175°C
Utilises Caddock’s Micronox® resistance film
Five sizes and voltage ratings from 7.5kV up to 32kV
Utilises Caddock’s non-inductive design

Caddock SR20 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
Resistance range: 25 kΩ to 1,000 MΩ
Temperature coefficient: ±25 ppm/°C from -55°C to +125°C
Load life stability: 0.25% per 1,000 hours at +125°C
Resistance tolerance options: ±0.1%, ±0.25%, ±0.5%, ±1%
Maximum continuous operating voltage up to 30 kV
-15 series increases maximum voltage by 60%

Isabellenhütte BRS Series

Current sensing resistor
3812 chip size
Resistance range from 0.002Ω to 0.025Ω
Tolerances from ±1%
TCR from ±100 ppm/°C
Power rating of 2W (at 120°C)
Temperature range from -55°C to +170°C

Isabellenhütte BVF Series

Current sensing resistor
Resistance values of 0.001Ω or 0.0015Ω
Tolerances of ±1.0% and ±5.0%
TCR value <±70 ppm/°C
Power rating of 3W (up to +145°C)
Temperature range from -65°C to +175°C

Isabellenhütte BVT Series

Current sensing resistor
Surface-mount 2512 chip size
Resistance range from 0.0002Ω to 0.0068Ω
Tolerances of ±1.0% and ±5.0%
TCR from ±50 ppm/°C
Power rating up to 10W 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 CMS Series

Current sensing resistor
Surface-mount 2512 chip size
Resistance range from 0.01Ω to 0.5Ω
Tolerances of ±1% and ±5%
TCR of <50 ppm/°C
Power rating 2.5W (at +70°C)
Temperature range from -65°C to +170°C

RARA SMF Series

High-precision metal film surface-mount resistors
Power ratings available: 2W, 3W and 5W
Resistance range: 10Ω to 2MΩ
Tight tolerances: ±1% and ±5%
Temperature coefficient: 200 ppm/°C
Flameproof UL94V0 moulded package for added safety

RARA SMW Series

High-power wire wound surface-mount resistors
Power ratings available: 2W, 3W, and 5W
Wide resistance range: 0.1Ω to 500Ω
Precision tolerances: ±1% & ±5%
Temperature coefficient: 200 ppm/°C
Flameproof UL94V0 molded package for high safety

Caddock 1789 Series

Precision resistor network
Resistance range from 0.5Ω to 10kΩ
Tolerance of ±0.05% to ±1.0%
TCR of ±50, ±80 or ±100 ppm/°C
Power rating of 100mW up to 2W per resistor
Temperature range from 0°C to +70°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 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 MG Extended Range

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 2kV up to 30kV *
Resistance values from 600Ω up to 10GΩ *
Tolerances of ±1% and ±5%
TCR as tight as ±80 ppm/°C from +25°C to +105°C
Operating Temperature Range of -55°C to +225°C
Maximum power rating from 1.5W up to 15W *

_{* Dependant on selected resistor model}

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 MV Series

Low resistance high temperature power axial leaded through-hole resistor
Maximum operating temperature up to +275°C
Utilises Caddock’s Micronox® resistance film
Five sizes and power ratings
Utilises Caddock’s non-inductive design

Caddock MX500 Series

High ohmic high voltage axial leaded through-hole resistor
Maximum operating temperature up to +175°C
Utilises Caddock’s Micronox® resistance film
Five sizes and voltage ratings from 7.5kV up to 32kV
Utilises Caddock’s non-inductive design

Caddock SR20 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
Resistance range: 25 kΩ to 1,000 MΩ
Temperature coefficient: ±25 ppm/°C from -55°C to +125°C
Load life stability: 0.25% per 1,000 hours at +125°C
Resistance tolerance options: ±0.1%, ±0.25%, ±0.5%, ±1%
Maximum continuous operating voltage up to 30 kV
-15 series increases maximum voltage by 60%

Isabellenhütte BRS Series

Current sensing resistor
3812 chip size
Resistance range from 0.002Ω to 0.025Ω
Tolerances from ±1%
TCR from ±100 ppm/°C
Power rating of 2W (at 120°C)
Temperature range from -55°C to +170°C

Isabellenhütte BVF Series

Current sensing resistor
Resistance values of 0.001Ω or 0.0015Ω
Tolerances of ±1.0% and ±5.0%
TCR value <±70 ppm/°C
Power rating of 3W (up to +145°C)
Temperature range from -65°C to +175°C

Isabellenhütte BVT Series

Current sensing resistor
Surface-mount 2512 chip size
Resistance range from 0.0002Ω to 0.0068Ω
Tolerances of ±1.0% and ±5.0%
TCR from ±50 ppm/°C
Power rating up to 10W 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 CMS Series

Current sensing resistor
Surface-mount 2512 chip size
Resistance range from 0.01Ω to 0.5Ω
Tolerances of ±1% and ±5%
TCR of <50 ppm/°C
Power rating 2.5W (at +70°C)
Temperature range from -65°C to +170°C