finding pulse transformer

Hi friends,
Vijay here. I am in search of miniatured pulse transformer with foll specs,

Input to primary:28V
Expected output: Pulse width: 2 ≤ 6 µsec
rise time:0.5 ≤ 2 µsec
Voltage Amplitude:≥ 80V
Kindly help.
Can be emailed website address/ details to vijaykumarhb@indiatimes.com

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