Chassis mount (Module) High Voltage Power Supplies SEM series

  • SEM series | High Voltage power supply Module (Chassis Mount) | Matsusada Precision
  • SEM series | High Voltage power supply Module (Chassis Mount) | Matsusada Precision

Specialized High Voltage power supply for Scanning Electron Microscope

  • Max output voltage for accelerating: -15kV or -30kV
  • Max output voltage for biasing: +3.5kV
  • Max output power for filament: 15W
  • High reliability design and elaborated protections

The exclusive design for bringing out the performance of an electron gun to the maximum!

SEM series is a high voltage power supply for electron gun of Scanning Electron Microscope (SEM), and a floating power supply with integrated acceleration voltage, bias voltage, and filament.

Features and Benefits

  • Three outputs for electron beam of SEM in one case
  • 5 ppm high stability, low ripple noise
  • Overcurrent protection
  • Short circuit protection

Models

Model Accelerating power supply
Output Voltage Output Current/power Output setting accuracy Stability
(after warm-up of 1Hr)
Ripple Control Voltage Output Current
monitor
SEM-15 0 V to -15 kV 300 µA * ±3% ±5 ppm/3 minutes 10 ppm p-p F.S. 0 V to 10 V (CV) 3 V/300 µA *1
SEM-30 0 V to -30 kV 300 µA * ±3% ±5 ppm/3 minutes 10 ppm p-p F.S. 0 V to 10 V (CV) 3 V/300 µA *1
  • * Including feedback current.

Options

-LB6: Changing the bias voltage to "0 V to +6 kV"

-LS03: Adding the power supply for suppressor

(With this option, the dimension of SEM-15 and SEM-30 is 11.02" wide x 9.84" deep x 4.92" high.)

-LFcv: Constant voltage filament output

-LFcc: Constant current filament output

For specifications, see the table below. -LFcv and -LFcc cannot be chosen together.

Model Control of filament output Filament output Control Volt. Caution
Standard CP (Constant Power) 0 W to 15 W (Load1 Ω) 0 Vdc to 10 Vdc MAX. output volt.: 5 V
-LFcv optional CV (Constant Voltage) 0 V to 5 V (Load1 Ω) 0 Vdc to 10 Vdc MAX. output power: 15 W
-LFcc optional CC (Constant Current) 0 A to 5 A (Load1 Ω) 0 Vdc to 10 Vdc MAX. output power: 15 W

Accessory

Output Cable *: Output cable with plug (flying lead) 1.5m

Model: CN-SEM4P

* The model number of output cable and output connector will change when -LB6 or -LS03 option is chosen. Please contact our sales office for details.

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High Voltage power supplies (Chassis mount/PCB mount)