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High Temperature (Through Hole)



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  1. MA, MB, MC, MD ultra precision metal foil resistor series with TC of 0.3ppm/°C (typ.)

    MA, MB, MC, MD ultra precision metal foil resistor series with TC of 0.3ppm/°C (typ.)

    The MA, MB, MC and MD through hole resistor series offer the ultra precision capabilities from Alpha Electronics in radial transfer moulded packages. The transfer moulded case allows the device to be used at temperatures of up to +175°C. These metal foil radial resistors are ideal for precision measurements and low inductance makes them ideal for use at higher frequencies.

    • 1Ω to 200KΩ (MA and MC models)
    • 5Ω to 400KΩ (MB models)
    • 5Ω to 80KΩ (MD models)
    • 0.3ppm/°C (typ.) temperature co-efficient
    • ±0.005% to ±1% Tolerance
    • Stability of ±25ppm
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  2. MAY ultra precision metal foil resistor series with a TC of 2.5ppm/°C

    MAY ultra precision metal foil resistor series with a TC of 2.5ppm/°C

    The MAY through hole resistor series offer ultra precision in radial transfer moulded packages. They have a TCR of ±2.5ppm/°C between -55°C and +125°C. The transfer moulded case allows the device to be used at temperatures of up to +175°C. These metal foil resistors are ideal for precision measurements and low inductance makes them ideal for use at higher frequencies.

    • Stocked in resistances between 30Ω to 100KΩ
    • Available in any resistance between 1Ω to 200KΩ upon request.
    • TCR of ±2.5ppm/°C between -55°C and +125°C with a typical TCR of ±0.3ppm/°C (-25°C to +75°C)
    • ±0.01% Tolerance stock available with ±1% to ±0.005% options available upon request
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  3. MG Series High Voltage Resistor

    MG Series High Voltage Resistor

    Caddock's Micronox® resistance films are the source of the MG range of high voltage resistor.  Offering outstanding performance; with resistance values to 10,000MΩ, operating voltage as high as 48KV and typical extended life stability of 0.02% per 1,000 hours for standard resistance range as demonstrated by reliability testing. This exceptional performance has been proven through many years of use in equipment that demands the highest reliability and stability.

    • +225°C max. operating tempertaure
    • Resistance values to 10,000 MΩ
    • 48KV maximum continuous operating voltage (-15 range)
    • Resistance tolerances from ±1.0% to ±0.1%.
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  4. MM and ML Series Film Resistors

    MM and ML Series Film Resistors

    The Caddock MM and ML series resistors have a proven performance history in high temperature industrial, geophysical and military applications. Utilizing the proven Micronox® resistance film technology, these resistors are available with power ratings up to 1 Watt and resistance values to 10 Megohms. 

    • 30Ω to 10MΩ resistance range
    • 50ppm/°C TCR between -15°C to +105°C
    • ±1% tolerance as standard.  (±0.1% available on special request)
    • +275°C maximum operating temperature.
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  5. MPM20 Series Heat sink mount "Pure Tin Free" resistors 20W - 0.02R to 10K

    MPM20 Series Heat sink mount "Pure Tin Free" resistors 20W - 0.02R to 10K

    The Caddock MPM20 Kool-Tab® Power Film Resistors introduce a ”Pure Tin Free” design for High Performance Applications.  Caddock's proven Micronox® resistance film system is utilized in the widely accepted TO-220 Power Package to provide a compact 20 watt heat sink mountable resistor. The non-inductive design makes this resistor ideal in high frequency communications, power switching circuits and snubbers. The special performance features of the series MPM20 Kool-Tab® Power Film Resistors include:

    • 20W power rating at +25°C case temperature (suitable heatsink required)
    • 2.25W in free-air.
    • 0.02Ω to 10KΩ resistance range
    • Non-inductive design
    • TO-220 package
    • "Pure Tin Free" for high performance industrial and military applications.
    The resistance element is electrically isolated (>10GΩ) from the heatsink mount tab.  The device can be screw mounted or clipped to the heatsink making the resistor mounting less prone to vibration effects than conventional devices.
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  6. MS Series High Temperature Power Film Resistor

    MS Series High Temperature Power Film Resistor

    The Caddock MS Series of power film resistors deliver the performance capabilities that can simplify circuit design and reduce equipment cost and complexity.  With power ratings up to 22Watts and voltage ratings as high as 6,000 volts in an axial-lead resistor, the MS range of resistors provide the following feature in a single package:
     
    • Full power and voltage ratings, without derating
    • Non-inductive performance.
    • Excellent long-term stability of 0.05% per 1,000 hours over extended life.
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  7. MV Series Low Resistance Power Film Resistors

    MV Series Low Resistance Power Film Resistors

    The Caddock MV series of low resistance power film resistors combine Caddock's exclusive non-inductive design with many of the high performance capabilities of the Micronox® resistance films to achieve these advantages over other low Ohm resistors:

    This device has a maximum operating temperature up to ±275°C, which makes it an ideal solution for current sensing in the most demanding of geophysical and aerospace applications.

    • 0.1Ω - 50Ω resistaqnce range
    • Full 1.5W to 10W rating without derating for non-inductive performance.
    • 1% tolerance
    • +275°C operating temperature
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  8. TG Series Low TC Precision High Voltage Resistors

    TG Series Low TC Precision High Voltage Resistors

    The Caddock Type TG Low TC Precision High Voltage resistors have been developed to meet the precision temperature stability requirements of high accuracy, high voltage systems.  The TG series utilizes Caddock's proven Tetrinox® resistance system to achieve the unique combination of low temperature coefficient with high stability performance at high operating voltages.  
     
    The TG Low TC Precision High Voltage Resistors are designed to meet the demanding stability requirements of TWT power supplies, electron microscopes, X-ray systems, high resolution CRT displays, and geophysical instruments.
     
    • 30KV maximum voltage rating
    • 1MΩ - 1,000MΩ resistance range
    • ±25 ppm/°C temperature coefficient
    • 225°C maximum operating temperature
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