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High Voltage Solutions

RC Series

Regulated DC/DC high voltage modules

Ground-referenced programming, low stored energy, and reliable vacuum-encapsulated construction for demanding scientific and industrial systems. Fourteen standard 5 W and 10 W models cover 3 to 30 kV, with extended configurations available to 50 kV and 50 W.

Gamma RC Series high voltage modules
3-30 kVStandard models
To 50 kVExtended voltage
Up to 50 WExtended power
0-10 VProgramming

Key capabilities

  • Voltage programmable from zero to rated output
  • Excellent dynamic regulation
  • Arc-over, overload, and short-circuit protection
  • Vacuum-encapsulated silicone high voltage section
  • Ground-referenced control circuits with optional voltage and current monitors
  • Dual voltage/current control loops available where required

Typical applications

  • CRT displays
  • Photomultiplier bias
  • X-ray tubes

Standard model guide

ModelOutput voltageOutput current
RC5-30-3 kV1.5 mA
RC5-50-5 kV1 mA
RC5-100-10 kV500 µA
RC5-150-15 kV333 µA
RC5-200-20 kV250 µA
RC5-250-25 kV200 µA
RC5-300-30 kV160 µA
RC10-30-3 kV3.3 mA
RC10-50-5 kV2 mA
RC10-100-10 kV1 mA
RC10-150-15 kV660 µA
RC10-200-20 kV500 µA
RC10-250-25 kV400 µA
RC10-300-30 kV333 µA

The standard 5 W and 10 W models are shown. Add P or N for output polarity. Contact Gamma for extended configurations to 50 kV and 50 W.

Specifications and configuration

Electrical characteristics

Input+28 VDC +/-10%
Alternate input+24 VDC available
ProgrammingExternal 10 kohm potentiometer or ground-referenced 0-10 V source
Standard power5 W or 10 W maximum, according to model
Line regulation0.01% maximum
Load regulation0.01%
Ripple0.05% maximum
Temperature coefficient0.01% per deg C
Stability0.01% per 8 hours

Physical and options

DimensionsThrough 15 kV: 3.49 W x 5.11 L x 1.56 H in; 20-30 kV: 3.82 W x 6.32 L x 2.86 H in
Weight2.5 lb through 15 kV; 3.5 lb for 20-30 kV
InterfaceFive-position terminal block
HV output12 in flying lead
Operating temperature0 to 50 deg C
OptionsPositive or negative polarity, +24 VDC input, voltage/current monitor outputs, extended ratings, and RoHS-compliant versions

Programming interface

The five-position terminal block accepts either a 10 kohm potentiometer or a ground-referenced 0-10 V programming source. The input return connects to terminal 1 and +28 VDC power connects to terminal 5.

RC Series 10 kohm potentiometer programming diagram
RC Series external 0-10 V programming source diagram

A +24 VDC input version and optional voltage- and current-monitor outputs are available.

Mechanical drawings

Terminal-block and front views
RC Series compact and larger terminal-block dimensional views
Side views
RC Series compact and larger side dimensional views

RC Series resources

Download the data sheet or contact Gamma for configuration assistance.