157G

CHOKE ;ROHS COMPLIANT: YES

46 EUROPE Basingstoke, UK 01256 812812 AUSTRALIA Queenstown, Australia 61-8-8240-2244 CANADA Guelph, Ontario (519) 822-2960 St. Laurent, Quebec (514) 343-9010 USA Cheektowaga, NY (716) 630-7030 ? www.hammondmfg.com OPEN BRACKET D.C. FILTER CHOKES Economical "open bracket" - channel mount. ? Tolerance of 15% on both inductance & ? resistance. Inductances measured at rated D.C. current. ? Minimum 5" long leads. ? Units will exhibit less inductance at slightly ? higher currents or more at lower currents. Perfect for high voltage power supply ? filtering. D.C. Filter (153-159 Series) Part No. Inductance Henrys D.C. Current (ma.) Resistance (Ohms) Max. Oper. Volts (D.C.) Wt. Lbs. Dim. Ref. 153E 7 25 770 300 .10 C1H 153H 2.2 50 305 300 .10 C1H 153L 0.9 75 125 300 .10 C1H 153M 0.6 100 86 300 .10 C1H 154E 20 20 1666 300 .25 C2H 154G 9 40 700 300 .25 C2H 154H 4 50 300 300 .25 C2H 154M 2 100 175 300 .25 C2H 155C 60 8 2750 400 .30 C4H 155G 7 40 340 400 .30 C4H 155H 5 50 270 40

D.C. Reactors or Filter Chokes Low to Medium Current www.hammondmfg.com 157G Mechanical A 3.25” / 82.6 mm B 1.75” / 44.5 mm C 2” / 50.8 mm D 2.81” / 71.4 mm G 0.19” / 4.8 mm Weight 1 lbs / 0.45 kg Electrical Inductance (+/- 15%) 30H D.C. Current 40 ma. Resistance (+/- 15%) 595 ohms Maximum Operating Volt (D.C.) 400V Features ? Economical “open bracket” - channel mount. ? Tolerance of 15% on both inductance & resistance. ? Inductances measured at rated D.C. current. ? Minimum 5” long leads. ? Units will exhibit less inductance at slightly higher currents or more induc- tance at lower currents. ? Perfect for high voltage power supply filtering. ? Every unit is Hipot tested (100%) at 1,500 VAC ? Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.

FEATURES High temperature – Very Low ESR – High ripple current – stable with temperature – High frequency – Long life – ROHS compliant APPLICATIONS DC-DC converters – Voltage regulators – Decoupling Operating Temperature Range -55°C to +105°C Capacitance Tolerance +20% at 120 Hz, 20°C Surge Voltage WVDC 4 6.3 10 16 20 25 SVDC 1.15 x rated WVDC Dissipation Factor 120 Hz, 20°C 12% MAX Leakage Current 2 Minutes See standard part listing Low Temperature Stability Impedance Ratio (100 kHz) -55°C/ +20°C <1.25 +105°C/ +20°C <1.25 Load Life 5000 hours at 105°C with rated WVDC applied Capacitance Change <20% of initial measured value Dissipation Factor <150% of maximum specified value ESR <150% of maximum specified value Leakage Current <100% of maximum specified value Damp Heat test 1000 hours at 60°C with no voltage applied at 90-95% R.H. Capacitance Change <20% of initial measured value Dissipation Factor <150% of maximum specified value ESR <150

FEATURES High temperature – Very Low ESR – High ripple current – stable with temperature – High frequency – Long life – ROHS compliant APPLICATIONS DC-DC converters – Voltage regulators – Decoupling Operating Temperature Range -55°C to +105°C Capacitance Tolerance +20% at 120 Hz, 20°C Surge Voltage WVDC 4 6.3 10 16 20 25 SVDC 1.15 x rated WVDC Dissipation Factor 120 Hz, 20°C 12% MAX Leakage Current 2 Minutes See standard part listing Low Temperature Stability Impedance Ratio (100 kHz) -55°C/ +20°C <1.25 +105°C/ +20°C <1.25 Load Life 5000 hours at 105°C with rated WVDC applied Capacitance Change <20% of initial measured value Dissipation Factor <150% of maximum specified value ESR <150% of maximum specified value Leakage Current <100% of maximum specified value Damp Heat test 1000 hours at 60°C with no voltage applied at 90-95% R.H. Capacitance Change <20% of initial measured value Dissipation Factor <150% of maximum specified value ESR <150