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PRECISION MAGNETIC COMPONENTS

  • HIGH VOLTAGE ISOLATION TRANSFORMERS
  • STEP UP & STEP DOWN POWER TRANSFORMERS
  • FILAMENT TRANSFORMERS
  • THREE PHASE TRANSFORMERS
  • MEDIUM & HIGH FREQUENCY POWER TRANSFORMERS
  • INVERTER TRANSFORMERS
  • IMPULSE (FAST RISE TIME) TRANSFORMERS
  • PULSE TRANSFORMERS
  • CURRENT TRANSFORMERS 

PULSE TRANSFORMERS

Pulse Transformers for radar, oncology and laser systems. RFI’s pulse transformers are used for matching the voltage and impedance of the PFN to the RF power tubes. Each pulse transformer is 100%    performance-tested for induced voltage,  pulse wave shape and corona.

RANGE:
Output Range
From 1 - 200 kV pk

Repetition Rate
250 - 120,000 pps

Pulse Width
400 nsec - 40 µsec

Current
.3 Amps - 2000 Amps



Application 
Ground Based Radar
Corona free pulse transformer

Input Voltage
11,700 V Pulse

Output Voltage
117,000 V Pulse

Frequency
250 pps

Duty Cycle
0.192%

Dimensions
14.31”H x 12.75”W x 8”D


Application 
Shipboard Radar
Features 3-channel solid state switching

Power Input
1 Kilovolt peak charge from storage
capacitors of -
Narrow = 0.6 MFD
Middle = 1.1 MFD
Wide = 2.25 MFD

Power Output
25 kV pk @ 20 amps pk

Pulse Widths
Narrow = 0.1 microseconds
Middle = 0.25 microseconds
Wide = 1.00 microseconds

Duty Cycle
.0012%

Dimensions
5.78”H x 12”W x 8”D


CHARGING/POWER TRANSFORMERS

RFI's charging reactors and flyback transformers are custom designed to charge the pulse forming resonance network. These units are liquid (oil) impregnated in welded case and liquid heat exchangers are often employed to reduce the effects of heat.

RANGE:
Voltage
1 kV - 100 kV pk

Current
1 - 300 Amps pk

Inductance
100μH - 50 H

RFI's power transformers utalize the highest quality dielectrics, brushings and welded cases; dry or oil filled and with or without fluid cooling. Many units offer low stray capacitance and leakage inductance.

RANGE:
Power Input
115 V - 440 V
3 phase, Y or Delta
50, 60 or 400 Hz

Power Outputs
as required

Regulation
1%

Efficincy
95 - 98%


Application 
Oncology Medical Systems High voltage flyback transformer-corona free

Input Voltage
285 V pk

Output Voltage
60 kV p-p

Dimensions
11.6”H x 13.5”W x 6.5”L






Application 
Weather (Doppler) Radar
3 phase power transformer-corona free

Input Voltage
208 Vac, 550 Vwkg

Output Voltage
9,720 Vac@ 1.45 Amps, 14,300 Vwkg

Dimensions
16.84”W x 7.56”H x 5.34”D


MARKETS SERVED

AEROSPACE, DEFENSE
& HOMELAND SECURITY

MEDICAL

INDUSTRIAL / COMMERCIAL

TELECOMMUNICATIONS

Copyright 2013 EMS Development Corporation