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 LTT interface cable

 FBG design software

 UV Resin Layer Detection

 Long Term Monitoring

LTT interface cable

Application Options Packaging

Light triggered thyristors (LTT) are widely used in HVDC power systems. The thyristors are trig- gered by a high power laser im- pulse that is commonly provided by a laser diode (LD). We provide the optical cables that guides the light pulse to the thyristor's base.

Our optical cables are fully quali- fied for the use in high power sy- stem. They are 100% compliant to the optical thyristors T1503N, T1503NH, T2563NH, T4003N, T4003NH, T553N, and subseries; applying an excellent trigger pulse at minimum losses.

  • ST or FC adpter for the pulsed laser diode
  • High voltage resistant cable with very low power loss
  • Highly sophisticated thyristor adapter with UV trimmed aperture
  • Compliant to all EUPEC / INFINEON LT thyristor series
We can also provide suitable pul- sed laser diodes with ST adapter.

LTT interface 

Specification Premium
Cable type
Operating wavelength
Cable length
LTT adapter length
LD adapter
Operating Temperature
Excess loss @ 940 nm
Minimum bending diameter, statical

Dimensions LR87 R10
Interface Drawing
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