MODEL HM28 SERIES
Buckle Style Core Common-Mode Chokes
FEATURES AND BENEFITS
• • • •
Compact size, large inductance E...
MODEL HM28 SERIES
Buckle Style Core Common-Mode Chokes
FEATURES AND BENEFITS
Compact size, large inductance Excellent frequency characteristic Low magnetic flux leakage Complies with UL, VDE safety requirements
APPLICATIONS
Switching power supplies Video and audio equipment Office equipment Communications equipment and other electronic devices
ELECTRICAL / ENVIRONMENTAL
Insulation Resistance, Minimum
Voltage Rating Insulation System Temperature Rise, Maximum
SCHEMATIC
100 Megohm 250 VAC Class B, 130°C 40°C
6
(4)
L2
(3)
(1)
Specifications subject to change without notice.
L1
(2)
6-69
Model HM28 Series
OUTLINE DIMENSIONS (Inch/mm)
Figure 1
Figure 2
.87 22.0 .67 17.0
.87 22.0
.87 22.0
.91 23.1 .030 ±.002 0.76 ±0.05 Dia. Typ. (3) (2) .510 ±.010 13.0 ±0.25 .157 4.0 .390±.010 10.0 ±0.25 (2) (1) (3) (2) .510 ±.010 13.0 ±0.25
.91 23.1 .030 ±.002 0.76 ±0.05 Dia. Typ. (2) .157 4.0 .390 ±.010 10.0 ±0.25 (1)
Figure 3
1.03 26.0 1.03 26.0
Figure 4
1.18 30.0
1.18 30.0
.94 24.0
.98 25.0
(3) .830 ±.010 21.0 ±0.25
(2) .157 4.0
.030 ±.002 0.76 ±0.05 Dia. Typ.
(2) .590 ±.010 15.0 ±0.25
(1)
(3) .940 ±.010 24.0 ±0.25
(2) .157 4.0
.030 ±.002 0.76 ±0.05 Dia. Typ.
(2) (1) .790 ±.010 20.0 ±0.25
6-70
Model HM28 Series
OUTLINE DIMENSIONS (Inch/mm)
Figure 5
.98 25.0 .75 19.0
Figure 6
1.18 30.0 .87 22.0
1.26 32.0
1.38 35.0
(3)
(2) .197 5.0
(2)
(1)
.030 ±.002 0.76 ±0.05 Dia. Typ. .390 ±.010 10.0 ±0.25
(3)
(2) .197 5.0
(2)
(1)
.030 ±.002 ...