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The MG precision high-voltage axial resistor range with “-15” ratings from Caddock offers a resistance range from 6.5MΩ up to 2GΩ, an extended voltage rating of up to 48kV and a power rating up to 15W. The MG -15 series offers tolerances of ±1% and ±5% and has demonstrated stability of 0.01% per 1,000 hours in extended load life testing. Caddock’s Micronox® resistance films are the source of their outstanding combination of performance features.
- Cylindrical high voltage axial leaded resistor
- 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, referenced to +25°C
- Operating Temperature Range of -55°C to +225°C
- Maximum operating voltage from 1.6kV up to 48kV *
- Maximum power rating from 1W up to 15W *
- Excellent long-term stability of 0.01% per 1,000 hours
- All models are manufactured with Caddock’s non-inductive design
* Dependent on selected resistor model
Typical applications for the MG precision high-voltage axial resistor range with “-15” include:
- TWT HV power supplies
- Electron microscopes
- E-beam equipment
- Electrical distribution HV monitor dividers
- X-ray systems
- Geophysical instruments
- Medical electronics
- HV & Compact instrument probes
Caddock MG -15 Range Specification Table
| Model No. | Wattage | Max voltage | Coating dielectric strength | Resistance range | Tolerance | TCR |
|---|---|---|---|---|---|---|
| MG714 | 1W | 1.6kV | 750ACrms | 6.5MΩ to 20MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG715 | 1W | 3.2kV | 750ACrms | 26MΩ to 50MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG716 | 1.5W | 6.4kV | 750ACrms | 70MΩ to 75MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG717 | 1.5W | 3.2kV | 750ACrms | 17MΩ to 75MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG721 | 2W | 6.4kV | 750ACrms | 51MΩ to 100MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG730 | 3W | 9.6kV | 1000ACrms | 77MΩ to 250MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG731 | 2.6W | 6.4kV | 1000ACrms | 40MΩ to 150MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG735 | 3.6W | 16kV | 1000ACrms | 178MΩ to 300MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG740 | 3.6W | 9.6kV | 1000ACrms | 64MΩ to 300MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG745 | 5W | 24kV | 1000ACrms | 288MΩ to 500MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG750 | 5W | 16kV | 1000ACrms | 128MΩ to 500MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG780 | 7.5W | 24kV | 1000ACrms | 192MΩ to 750MΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG785 | 8W | 32kV | 1000ACrms | 320MΩ to 1GΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG810 | 10W | 40kV | 1000ACrms | 400MΩ to 1.25GΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
| MG815 | 15W | 48kV | 1000ACrms | 384MΩ to 2GΩ | ±1% / ±5% | ±80 ppm/°C from -15°C to +105°C (Referenced to +25°C) |
Caddock Electronics, Inc. manufactures High Performance, High Stability Film Resistors designed for precision applications. Caddock uses unique resistance film technologies and process technologies to create solutions for performance demanding applications. Their product line consists of over 250 models, spanning a multitude of series, all of which are manufactured at their facilities in Roseburg, Oregon, USA. Please visit www.caddock.com for more information.
