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We are leaders in the market for providing best range of pulse forming network, DC/DC Power Converter, DC/AC Power Inverter, Pulse Transformer and Shipboard Distribution Transformers

pulse forming network

  • Pulse Width 12.8 microseconds
  • Pulse fall time 2.1 microseconds maximum
  • Weight 115 lbs.
  • Size 15″ x 18″ x 10″
  • Liquid Cooled FC-77 11.6 GPM

This unit is a high voltage pulse-forming network, which is used in the E-2C Hawkeye Airborne Surveillance Radar. The unit forms a part of the E-Line modulator for the Coaxitron radar transmitter.Full MIL-E-5400H Class 1 Environment, 35, 000 foot altitude 22, 000 hour MTBF

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DC/DC Power Converter

  • Output +5.1, +3.4, +12.6, -12.6, +18, -18 Vdc
  • Power 130 watts continuous
  • Weight 2.3 lbs. max
  • Input 115 VAC, 400 Hz, 3 phase or 270 Vdc

Espey Mfg. designed and manufactures this power supply for a prime military contractor supplying helmet mounted cueing systems for tactical aircraft.Multiple output power converter Configured for AC or DC inputs Qualified to uninhabited fighter environment extremes High Reliability Design

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DC/AC Power Inverter

  • Input Dual 19 – 85 VDC
  • Output Dual 100Vrms (+/- 5V), 5AMP 25kHz (+/- 10%) SQUARE WAVE
  • Size 7.00L x 7.50W x 8.00D
  • Shock Half sine, .01 second long, 10G operational

Espey Mfg. designed and manufactures a line of power conversion products for railroad rolling stock and off-highway vehicles. The switchmode power supplies are customized for unique applications including braking, and signaling control, auxiliary traction support and voltage conditioning for distribution.IGBT Gate Driver Power Inverter Dual isolated inputs and outputs Over-currentOver-voltage protection of IGBT device for traction application Ruggedized construction for transportation application

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Pulse Transformer

  • Weight 65 lbs
  • Frequency 285 PPS to 305 PPS
  • Operating Temp -54 to +71 °C
  • Liquid Cooled FC-77, 11.6GPM

This unit is a high voltage pulse transformer used in the E-2C Hawkeye Airborne Surveillance Radar. The unit forms an integral part of the modulator for the Coaxitron radar transmitter by providing a 20kV, 200AMP, 13uS positive pulse to the plate circuit of the grid amplifier tube.Full MIL-E-5400H Class 1 Environment, 35, 000 foot altitude 22, 000 hour MTBF

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Shipboard Distribution Transformers

  • Weight 830 lbs
  • Rated Voltage 440 VAC, 60Hz, 3 PHASE(per MIL-STD-1399/300A)
  • Output (21kVA NOMINAL)
  • Secondary 3050, 3100, 3150, 3200, 3250, 3300V Selectable off-circuit

Espey Mfg. designs and manufactures medium voltage dry-type power transformers up to 2.5MVA air-cooled, and 5MVA water-cooled. Espey transformers are used in military, heavy industrial and high reliability applications.21kVA, natural convection cooled. 450V, single (1) phase, 60Hz 3.15kV (+3-2 x 50V) Output 2% Voltage regulation Fully Self Protected – (Over-Voltage, Over-Current, Over-Temperature) 45° drip-proof enclosure Qualification MIL-S-901D Shock (Grade A) MIL-STD-167 Vibration (Shipboard) MIL-STD-740-1 and MIL-STD-740-2 (Airborne and Structure Borne Noise) IEEE C57.12.91-1998 Short Circuit Withstand

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Grade 5 Transformers and Inductors

  • Inductors AC, DC, swinging, saturable, common-mode, resonant, coupled, filter,
  • Transformers Power, fly-back, resonant, pulse, more
  • Wire size > 42 AWG

Espey Mfg. designs and manufactures magnetics for its own power supply requirement and that of its customers. Espey knowledge of power supply topologies enables each magnetic to be engineered with the working experience required for seamless integration into converter and inverter designs.Operating frequencies up to and exceeding 600kHz. Toroid, bobbin, layer wound, and planar designs available inhouse. Custom Components to unique boardpower supply layout challenges. Utilizing modern encapsulation materials and techniques. Qualification MIL-PRF-27F

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Emi Filter

  • Rated Voltage 115VAC, 60Hz, Single Phase – DUAL
  • Rated Current 7.5A per line
  • Attenuation (Available by request)

Espey Mfg. designed and manufactures this EMI filter assembly for a prime military contractor. Our power conditioning equipment has proven high reliabilty obtained through years of system experience with high power capabilities that provide the working knowledge to implement the most challenging designs. This EMI Filter meets or exceeds Mil Spec Compliance to MIL-STD-461 and MIL-STD-1399.Power line filter Dual, isolated, single phase circuits 7.5 Amp Rating For system level compliance to MIL-STD-461 and MIL-STD-1399

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DC/AC Static Inverter

  • Weight Approximately 2.5 lbs
  • Input Voltage 255 – 300 VDC
  • Output Voltage 115 VAC
  • Output Wave Shape Sinusoid
  • Size 5″ X 5″ X 3”

This unit creates a sine wave reference derived from a dc input. It functions as an inverter for a synchro-resolver used aboard naval ships to track the position of radar antennas.Output short circuit protected Operates in up to 2 inches of standing water. Operates in harsh Electromagnetic and Radio frequency environment of local radar transmitter antennas. Operates through multi-megawatt radar pulse exposure. 50, 000 hour MTBF

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High Voltage Power Supply

  • Input Voltage 115 volts 400 Hz MIL‑STD‑704 (Category B)
  • Input Current 64 Amps AC RMS per phase
  • Efficiency 97%
  • Weight 85 lbs.
  • Size 19″ x 6″ x 14″

This unit is a high voltage power supply, which is used in the E-2C Hawkeye Airborne Surveillance Radar. The unit is the High Voltage DC power source for the DC resonant charging circuit of the E-line modulator in the radar transmitter.Full MIL‑E‑5400H Class 1 Environment, 35, 000 foot altitude 35, 000 hour MTBF Overload protection Output Voltage monitor Rectifier snubbers

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DC/DC High Voltage Converter

  • Input Voltage 26 Vdc +/- 2 Vdc
  • Weight 3 lbs.
  • Size 5″x5.8″x2.2″
  • Output Voltage +10.0 kV +/- 1%: 0 – 100 uAmps – 1.6 kV +/- 1%: 0.6 -2 mAmps + 6.3 V +/- 1%: 700 mAmps
  • Regulation +/- 2%

Espey developed this power supply for the ANAPN-169 station keeping radar system for a prime military contractor program. This multiple output, 10 kV, high voltage DC-DC converter module is designed for extreme airborne environmental conditions.Qualified to airborne environment extremes Qualified to MIL-E-5400T

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