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FIL Series
Photo of XS Series Power Supply

Precision Non-Isolated Filament Supply

The FIL Series is a non-isolated precision filament supply. This line of regulated DC-DC converters addresses the needs of the high precision and high stability power supply user. Designed and built utilizing a state-of-the-art power-conversion topology, these units feature surface-mount technology and encapsulation techniques that provide high reliability and low cost. The FIL Series supply allows users to properly operate the filament to maximize performance and extend its life.

Model-Specific Downloads

FIL series brochure      JAPANESE
FIL series data packet

Typical Applications Features
  • Mass spectrometry
  • Electron beams
  • Test equipment
  • High precision and high stability
  • 15PPM temperature coefficient
  • 0 to 5VDC
  • 0 to 3 Amps of current
  • Maximum Iout capability down to 0 Volts
  • Programmable voltage and current controls
  • Indefinite output short-circuit protection
  • Buffered output current & voltage monitors
  • Excellent linearity & accuracy of control
  • Current mode and voltage mode indicator
  • Synchronizable

Parameter Conditions All types/models
Operating range (VDC) All conditions +24 ± 10
Current (mA) Full load output 900mA typical

   Voltage range (VDC) Nominal input 0 to 5
   DC current range (amps) Nominal input 0 to 3
   Voltage range (VDC) Derated 0 to 5.7
   DC current range (amps) Derated 0 to 3.3
   Voltage monitor scaling (VDC) Full load 10
   Current monitor scaling (VDC) Full load 10

Programming and Controls

   Input impedance (MΩ) Nominal input + Output models 10MΩ to GND
   Adjust resistance (Ω) Typical potentiometer values 10K to 100K (Pot across Vref. & Signal GND, Wiper to Adjust)
   Adjust voltage (VDC) Referenced to signal ground 0 to +10 VDC
   Accuracy (amps) In current control ±0.1%
   Offset (VDC) Voltage control 0.04%
   Offset (amps) Current control 0.001%
   Output voltage (VDC) T=+25°C, Initial Value +10.0V ± 0.05%
   Enable/disable (VDC)   0 to +0.5 Disable, +2.4 to 10 Enable (Default = Enable)

   Operating (°C) Full load, max Eout, case temp. +10 to +45
   Coefficient (PPM/°C) Over the specified temperature
   Thermal shock (°C) Mil-Std 810, method 503-4, Proc. II -40 to +65
   Storage (°C) Non-operating, case temp. -55 to +85
    Altitude Standard package, all conditions Sea level through vaccuum
   Shock (G's) Mil-Std-810, Method 516.5, Proc. IV 20
   Vibration (G's) Mil-Std-810, Method 514.5, Fig.514.5C-3 10


Accuracy of specifications in unlocked documents cannot be guaranteed. Please contact your AE representative to confirm specifications.