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Bergoz Fast Current Transformer, FCT 
Tabs
 
Specifications - FCT
 Mechanical Specifications
  Model (FCT-XXX-XX:1) 016 028 055 082 122 178
  ID min. (mm) 16 28 55 82 122 178
  OD max. (mm)
42 64 91 118 156 226
  Axial length max.(FCT-XXX-05:1)
  Axial length max.(FCT-XXX-10:1 to
  100:1)
35mm
22mm
  Connector
SMA jack 50Ω, BNC/N on option
 Electrical Specifications for FCT-XXX-XX:1-WB fastest wideband models
  Turns ratio 100:1 50:1 20:1 10:1 05:1
  Technology Predominantly amorphous
  Sensitivity (nominal) V/A
0.25 0.5 1.25 2.5 5.0
  Rise time (typ.) ps 600 300 200 300 500
  Droop %/μs <1 <3 <6 <10 <20
  Upper cutoff frequency -3dB (typ.) MHz 580 1170 1750 1170 700
  Lower cutoff frequency -3dB kHz
<1.6 <4.8 <9.5 <16 <32
  Position sensitivity (on axis) %/mm <0.2%
  L/R time constant (min.) µs 100 35 17 10 5
  Max. charge/pulse (pulses <1ns) µC 2 1 0.4 0.2 0.1
  Max. peak current (pulses >1ns) A
2000 1000 400 200 100
  Max. rms current (ƒ > 10 kHz) A 28 14 5.8 2.8 1.4
 Electrical Specifications for FCT-XXX-XX:1-LD low droop models
  Turns ratio 100:1 50:1 20:1 10:1 05:1
  Technology Predominantly nanocrystalline
  Sensitivity (nominal) V/A
0.25 0.5 1.25 2.5 5.0
  Rise time (typ.) ps 1000 540 400 500 780
  Droop %/μs <0.05 <0.2 <1 <3 <8
  Upper cutoff frequency -3dB (typ.) MHz 380 650 850 700 450
  Lower cutoff frequency -3dB kHz
<0.08 <4.8 <1.6 <5 <13
  Position sensitivity (on axis) %/mm <0.2%
  L/R time constant (min.) µs 2000 500 100 30 12
  Max. charge/pulse (pulses <1ns) µC 2 1 0.4 0.2 0.1
  Max. peak current (pulses >1ns) A
2000 1000 400 200 100
  Max. rms current (ƒ > 10 kHz) A 50 25 10 5 2.5
 Environment Specifications
  Maximum temperature  100°C (212°F) any time
  Core saturation  20 Gauss radial field
 2A permanent dc current
  PTFE connector damage level  1E3 Gray max
  Rad-hard models  6E7 Gray max
 1E17 n/cm2 max
  Output bandwidth (-3dB)  8 kHz in 20-mA range
10 kHz in other ranges

 Drawings
FCT Dimensions
Excitation Chart

 Specifications are subject to change without notice.


 Last updated on: 1 December, 2006
   
 
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