Hammond 193G 10H 150mA Enclosed DC Filter Choke, 800VDC

The Hammond 193G is a D.C. filter choke from the 193 Series of enclosed and potted chassis mount chokes, rated 10 henries at 150 mA DC. It is designed for high voltage power supply filtering, and is a natural fit for tube amplifier builders, audio equipment restorers and OEM engineers designing linear DC supplies.

The 193G provides 10 henries at 150 mA and is the only 193 Series part in the X17 enclosed case. A potted equivalent, the 193GP, shares the same inductance, current and 800 VDC rating.

The 193G is an enclosed, 4-hole chassis mount choke using the X17 mounting style: Dimension A 3.13 in, B 3.25 in, C 3.81 in, D 2.50 in and E 1.94 in, with .203 x .38 in mounting slots. The unit is vacuum impregnated with polyurethane varnish for quiet, long-life operation, has minimum 8 in long leads, and its case matches power transformers and tube audio output transformers.

Electrically, the 193G has a resistance of 102 ohms and a maximum operating voltage of 800 VDC. Inductance is measured at rated D.C. current, with a tolerance of 15% on both inductance and resistance; the unit will exhibit less inductance at slightly higher currents and more at lower currents. Insulation class is 105C and the operating temperature range is -40C to 65C. The part is RoHS and REACH compliant.

The manufacturer's short description reads 10H @ 200mA DC, while the series table, long description and part attributes list 150 mA. Weight is listed as 4.25 lbs in the series table and 4.3 lbs (1.95 kg) as shipping weight.