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MX20

  • Hot Switchable Polarity Reversible Via a Logic Signal
  • Well-Regulated, Low Ripple
  • Polarity Reversal Within 500mS
  • Voltage and Current Monitor Outputs
  • Remote HV Inhibit
  • Flying High Voltage Output Cable
  • Current Control Option

Certifications & Compliance

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High Performance High Voltage Power Supply

Spellman’s MX20 is a well-regulated high performance DC-DC converter featuring a “hot switchable” polarity reversal capability. The MX20’s low ripple specification makes it ideal for Mass Spectrometry applications; especially security detection systems, Dynodes, sample ionization as well as capillary electrophoresis and electro­static printing applications.

The MX20 is rated at 20kV @ 100uA and is packaged in a shielded metal enclosure. This unit features a logic signal input to control output polarity reversal. A HV inhibit feature, along with voltage and current monitors are provided. Easily customized to meet OEM requirements, the MX20 can be provided with current control, improved ripple per­formance and higher voltage and current capabilities.

Options:

  • VCC: Variable Current Control
  • Specifications
  • How to Order
  • Downloads

Specifications

  • Input Voltage:
    +24Vdc, ±1.2 volts
  • Input Current:
    <500mA continuous
    <1.2A during reversing
  • Output Voltage:
    ±500Vdc to ±20kV
  • Output Current:
    0 to 100uA max.
  • Polarity:
    Remotely reversible via logic signal, 500mS to settle to ±2%, 1 Hz maximum switch rate
  • Voltage Regulation:
    Load: 0.02% of maximum output voltage for a no load to full load change
    Line: 0.01% of maximum output voltage for a 1 volt input line change
  • Current Regulation: (VCC Option)
    Load: 0.1% of maximum rated current for a 0 to 100% voltage change
    Line: 0.01% of maximum rated current for a 1 volt input line change
  • Programming and Monitor Accuracy:
    ±2% Voltage Programming/Monitor
    ±5% Current Programming/Monitor
  • Ripple: ≤0.0025% Volts p-p
  • Stability: 0.1% per hour after 1 hour warmup
  • Temperature Coefficient: ≤100ppm per degree C
  • Dimensions:
    2.05˝ H X 6.61˝ W X 6.50˝ D (52mm X 168mm X 165mm)
  • Weight:
    Approximately 5.51 pounds (2.5kg)
  • Regulatory Approvals:
    Compliant to EEC EMC Directive. Compliant to EEC Low Voltage Directive. RoHS Compliant.

How to Order

How to Order:
Standard: PART NO.:MX20PN24
VCC Option: PART NO.:MX20PN24/VCC

Typical applications:

  • Mass Spectrometry
  • Capillary Electrophoresis
  • Electrostatic Printing
  • Sample Ionisation
Service Solution Brochure

Spellman Repair Centers, Extended Warranty Programs, Preventative Maintenance Programs, Calibration Services and more.

Download
2026 High Voltage Reference Manual

We compiled all of our useful FAQ’s, application notes, articles, technical papers and three glossaries into a single handy reference guide.

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