SERIES
PTHFxxxxR
PTKMxxxxR
PTHF
SERIES PTHF HIGH SATURATION CORE
PTHF10-50
10
25
7.36
5.20
3.93
3.47
3.14
2.33
1.97
1.84
1.69
8.27
6.34
4.77
3.90
3.24
2.68
2.07
14.50
9.80
6.90
5.90
4.90
4.50
3.50
2.60
2.10
12.80
9.90
8.00
8.00
6.50
5.00
3.40
3.00
2.40
6.0
3.6
2.0
1.6
1.5
1.2
1.0
0.9
0.8
9.0
7.0
3.9
3.9
3.4
3.3
2.2
15.0
11.0
8.3
6.7
6.5
4.2
4.0
2.7
1.8
13.5
10.8
8.0
7.1
6.0
4.6
3.1
2.7
2.3
8.7
5.3
3.1
0.010
0.020
0.035
0.045
0.055
0.100
0.140
0.160
0.190
0.010
0.017
0.030
0.045
0.065
0.095
0.160
0.008
0.011
0.022
0.030
0.044
0.052
0.088
0.160
0.240
0.008
0.016
0.023
0.023
0.035
0.060
0.131
0.160
0.235
35.0
10.0
7.0
5.0
4.0
2.0
1.7
1.5
1.0
20.0
8.0
4.0
3.0
2.0
1.5
1.0
20.0
8.0
4.0
3.0
2.0
1.0
1.0
0.8
0.6
8.0
4.0
3.0
2.0
1.0
1.0
0.8
0.6
0.4
PTHF25-50
PTHF50-50
PTHF75-50
50
PTKM
75
2.5
PTHF100-50
PTHF150-50
PTHF200-50
PTHF250-50
PTHF330-50
PTHF10-121
PTHF25-121
PTHF50-121
PTHF75-121
PTHF100-121
PTHF150-121
PTHF250-121
PTHF10-59
100
150
200
250
330
10
2.2
Toroidal Power Chokes
1.8
1.6
1.4
1.2
14.0
10.5
6.0
25
50
75
5.8
100
150
250
10
4.7
4.8
3.2
20.0
16.0
12.0
9.1
PTHF25-59
25
PTHF50-59
50
PTHF75-59
75
PTHF100-59
PTHF150-59
PTHF250-59
PTHF500-59
PTHF750-59
PTHF25-894
PTHF50-894
PTHF75-894
PTHF100-894
PTHF150-894
PTHF250-894
PTHF500-894
PTHF750-894
PTHF1000-894
100
150
250
500
750
25
8.2
6.0
5.6
3.8
2.7
20.0
15.2
12.0
10.6
9.0
50
75
100
150
250
500
750
1000
6.8
4.6
4.0
3.5
Actual Size
SERIES PTKM FERROUS ALLOY CORE
Horizontal or Vertical Mounting
10
25
7.36
5.20
3.93
3.47
3.14
2.33
1.97
1.84
1.69
8.27
6.34
4.77
3.90
3.24
2.68
2.07
14.50
9.80
6.90
5.90
4.90
4.50
3.50
2.60
2.10
12.80
9.90
8.00
8.00
6.50
5.00
3.40
3.00
2.40
1.70
1.00
0.70
0.60
0.50
0.40
0.35
0.31
0.27
5.30
3.30
2.30
1.80
1.60
1.30
0.90
7.60
4.70
3.30
3.00
2.40
1.90
1.50
1.10
0.90
6.60
4.20
3.70
3.50
2.30
1.90
1.40
1.20
1.00
3.30
1.90
1.30
1.10
0.96
0.78
0.65
0.59
0.50
9.10
5.70
4.00
3.10
2.80
2.20
1.70
13.00
8.30
5.70
4.90
4.20
3.40
2.70
1.80
1.60
11.00
7.40
6.40
6.00
4.30
3.20
2.50
2.10
1.80
0.010
0.020
0.035
0.045
0.055
0.100
0.140
0.160
0.190
0.010
0.017
0.030
0.045
0.065
0.095
0.160
0.008
0.011
0.022
0.030
0.044
0.052
0.088
0.160
0.240
0.008
0.016
0.023
0.023
0.035
0.060
0.131
0.160
0.235
35.0
10.0
7.0
5.0
4.0
2.0
1.7
1.5
1.0
20.0
8.0
4.0
3.0
2.0
1.5
1.0
20.0
8.0
4.0
3.0
2.0
1.0
1.0
0.8
0.6
8.0
4.0
3.0
2.0
1.0
1.0
0.8
0.6
0.4
PTKM10-50
PTKM25-50
Excellent electromagnetic shielding
50
75
PTKM50-50
PTKM75-50
Applications Use Series PTHF for high DC saturation
applications; use Series PTKM for low AC core loss
applications.
100
150
200
250
330
10
PTKM100-50
PTKM150-50
PTKM200-50
PTKM250-50
PTKM330-50
PTKM10-121
PTKM25-121
PTKM50-121
PTKM75-121
PTKM100-121
PTKM150-121
PTKM250-121
PTKM10-59
DCꢀResistance at 25°C
Rated Idc based upon 40°C maximum rise from 90°C
ambient with 0 Arms
25
50
75
Self Leads Solder coated along entire length
100
150
250
10
Mounting Toroids can be provided in a vertical or
horizontal mount style. Suffix Part Number with “H” for
horizontal mount.
25
PTKM25-59
50
PTKM50-59
dI Incremental Current is the value indicated in the table
that will cause an approximate percentage drop in
inductance
75
PTKM75-59
100
150
250
500
750
25
PTKM100-59
PTKM150-59
PTKM250-59
PTKM500-59
PTKM750-59
PTKM25-894
PTKM50-894
PTKM75-894
PTKM100-894
PTKM150-894
PTKM250-894
PTKM500-894
PTKM750-894
PTKM1000-894
Marking DELEVAN and part number.
Example: PTHF50R-121
DELEVAN PTHF50R-121
50
75
Physical Parameters on Next Page
100
150
250
500
750
1000
*Complete part # must include series # PLUS the dash #
For surface finish information,
refer to www.delevanfinishes.com
.
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan com • www.delevan.com
1/2009