Rectifiers filter rectifiers low-frequency type D, version B

According to ОУО.475.021ТУ 12 standard types of chokes are supplied. Designed to work in rectifier filters and pulse stabilizers. Inductors are made in a climatic modification V-all-climatic in accordance with GOST B 20.39.404-81.

The warranty period is equal to the shelf life of 15 years.
Working potential no more than 350V.
The minimum operating time in the maximum permissible modes is 20,000 hours.

Chokes of filters type DM 72 “Baby – 72” at a frequency of 50Hz-50kHz OYu0.475.021TU Magnetic circuit
D 275-280 HL 46.5
D 281-286 SHL 410