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Alpha Electronics

0.5W series

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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 SF 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 0.5W (at +70°C)
Temperature range from -25°C to +125°C

Alpha SS 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 0.5W (at +70°C)
Temperature range from -25°C to +125°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 MK227 Series

Precision power film radial leaded through-hole resistor
Non-inductive with expanded resistance range
Maximum working voltage of 200V
Compact rectangular package with standard lead spacing
Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
Extended life stability is typically better than 0.1% per 1,000 hours
Temperature range from -40°C up to +150°C

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

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 SMK-R000 Series

Zero ohm jumper / power bridge
Surface-mount design in a 1206 chip size
Resistance value of less than 200µΩ
Power rating of 0.5W (at +120°C)
Current rating of 50A DC
Temperature range from -65°C to +170°C

Isabellenhütte VMI Series

Current sensing precision resistor
Long sided terminal surface-mount 0805 chip size
Resistance range from 0.01Ω to 0.05Ω
Tolerance of ±5%
TCR from <±30 ppm/°C
Power rating up to 0.5W (at +100°C)
Temperature range from -65°C to +170°C

Exxelia Ohmcraft HVD 04

High Voltage Divider
Resistance range from 100kΩ to 1TΩ
Ratio tolerances from ±0.1% to ±20%
TCR from ±25 ppm/°C to ±>200 ppm/°C
Power rating of 0.5W
Voltage rating of 4kV
Temperature range from -55°C to +150°C

Exxelia Ohmcraft HVR 39

High Voltage Resistors
Resistance range from 100kΩ to 1TΩ
Tolerances from ±0.1% to ±20%
TCR from ±25 ppm/°C to >±200 ppm/°C
Power rating of 0.5W
Voltage rating of 2kV
Temperature range from -55°C to +150°C

Exxelia Ohmcraft HVR 29

High Voltage Resistors
Resistance range from 100kΩ to 1TΩ
Tolerances from ±0.1% to ±20%
TCR from ±25 ppm/°C to >±200 ppm/°C
Power rating of 0.5W
Voltage rating of 4kV
Temperature range from -55°C to +150°C

Riedon 104PC Series

Through-hole, precision, wirewound resistor
Long term stability of 100ppm/year (20ppm/year version available upon request)
100% acceptance tested / traceable to NIST
Temperature range of -55°C to 145°C
Fast rise time version available
Matched resistance sets to ±0.001% and ±0.5ppm/°C available

Riedon 121 Series

Through-hole, precision, wirewound resistor
Long term stability of 100 ppm/year (20 ppm/year version available upon request)
100% acceptance tested / traceable to NIST
Temperature range of -55°C to 145°C
Fast rise time version available
Matched resistance sets to ±0.001% and ±0.5 ppm/°C available

Riedon S-1 Series

Flame resistant UL 94V-0 wirewound resistor
Superior surge handling capability
Non-inductive windings are available (Type SN)
Temperature range between −55°C to +275°C

SRT CHM 2010

Non-magnetic thick film chip resistor
Resistance range from 100kΩ to 1TΩ
Tolerances from ±0.5% to ±30%
TCR from ±25 ppm/°C to ±1000 ppm/°C
Power rating of 0.5W (at +70°C)
Temperature range from -55°C up to +155°C