Toroidal Power Chokes
Horizontal or Vertical Mounting
Excellent electromagnetic shielding
Applications
Use Series PTHF for high DC
saturation applications; use Series PTKM for low
AC core loss applications.
Inductance tested
at 1 KHz
DC Resistance
at 25°C
Rated Idc
based upon 40°C maximum rise from
90°C ambient with 0 Arms
Self Leads
Solder coated along entire length
Mounting
Toroids can be provided in a vertical or
horizontal mount style. Suffix Part Number with “H”
for horizontal mount.
dI
Incremental Current is the value indicated in the
table that will cause an approximate percentage
drop in inductance
Marking tape marked with DELEVAN and part
number
Physical Parameters on Next Page
*Complete part # must include series # PLUS the dash #
For further surface finish information,
refer to TECHNICAL section of this catalog.
PTHF10-50
PTHF25-50
PTHF50-50
PTHF75-50
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
PTHF25-59
PTHF50-59
PTHF75-59
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
PTKM10-50
PTKM25-50
PTKM50-50
PTKM75-50
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
PTKM25-59
PTKM50-59
PTKM75-59
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
PA
R
NU T
MB
ER
*
SERIES PTHF HIGH SATURATION CORE
10
25
50
75
100
150
200
250
330
10
25
50
75
100
150
250
10
25
50
75
100
150
250
500
750
25
50
75
100
150
250
500
750
1000
10
25
50
75
100
150
200
250
330
10
25
50
75
100
150
250
10
25
50
75
100
150
250
500
750
25
50
75
100
150
250
500
750
1000
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
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
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
8.7
5.3
3.1
2.5
2.2
1.8
1.6
1.4
1.2
14.0
10.5
6.0
5.8
4.7
4.8
3.2
20.0
16.0
12.0
9.1
8.2
6.0
5.6
3.8
2.7
20.0
15.2
12.0
10.6
9.0
6.8
4.6
4.0
3.5
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
0.012
0.016
0.023
0.023
0.035
0.060
0.131
0.160
0.235
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
0.012
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
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
SERIES PTKM FERROUS ALLOY CORE
www
.
delevan
.
com
E-mail: apisales@delevan.com
4/2005
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
IN
D
@ UCT
1 K AN
Hz CE
± 1 (µ
Ra
0% H)
te
d
Id
c(
Am
dI
AD
ps
∆
L C
)
10
%
dI
A
∆
L DC
20
%
DC
MA RES
XI IST
MU A
M NC
SR
(O E
hm
F
MI
s)
NI
MU
M
(M
HZ
)
PTHFxxxxR&
Series
PTKMxxxxR
PTHF&PTKM
PAGE
103
POWER INDUCTORS
Series
PTHFxxxxR& PTKMxxxxR
PTHF&PTKM
Toroidal Power Chokes – Horizontal or Vertical Mount
POWER INDUCTORS
PHYSICAL PARAMETERS
* Nominal Dimensions
Allow up to 10%of nominal for maximum size
** Part Number
Insert HF of KM for complete part number, and suffix “H” for horizontal mounting
Electrical Information on Preceding Page
A Nominal
*
PA
R
NU T
MB
ER
In
ch
es
In
ch
es
m
m
B Nominal
*
In
ch
es
m
m
C Typical
In
ch
es
m
m
D Nominal
*
In
ch
es
m
m
E Nominal
*
In
ch
es
0.600
0.600
0.600
0.600
0.600
0.600
0.600
0.600
0.600
0.780
0.780
0.780
0.780
0.780
0.780
0.780
1.050
1.050
1.050
1.050
1.050
1.050
1.050
1.050
1.050
1.250
1.250
1.250
1.250
1.250
1.250
1.250
1.250
1.250
F Nominal
*
m
m
4/2005
PT**10-50
PT**25-50
PT**50-50
PT**75-50
PT**100-50
PT**150-50
PT**200-50
PT**250-50
PT**330-50
PT**10-121
PT**25-121
PT**50-121
PT**75-121
PT**100-121
PT**150-121
PT**250-121
PT**10-59
PT**25-59
PT**50-59
PT**75-59
PT**100-59
PT**150-59
PT**250-59
PT**500-59
PT**750-59
PT**25-894
PT**50-894
PT**75-894
PT**100-894
PT**150-894
PT**250-894
PT**500-894
PT**750-894
PT**1000-894
0.625
0.625
0.625
0.625
0.625
0.625
0.625
0.625
0.625
0.820
0.820
0.820
0.820
0.820
0.850
0.850
1.100
1.100
1.100
1.100
1.100
1.100
1.150
1.150
1.150
1.300
1.300
1.300
1.300
1.300
1.300
1.300
1.300
1.300
15.88
15.88
15.87
15.87
15.87
15.87
15.87
15.87
15.87
20.83
20.83
20.83
20.83
20.83
21.59
21.59
27.94
27.94
27.94
27.94
27.94
27.94
29.21
29.21
29.21
33.02
33.02
33.02
33.02
33.02
33.02
33.02
33.02
33.02
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.400
0.400
0.400
0.400
0.400
0.400
0.400
0.475
0.475
0.475
0.475
0.475
0.475
0.475
0.475
0.475
0.650
0.650
0.650
0.650
0.650
0.650
0.650
0.650
0.650
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
7.62
10.16
10.16
10.16
10.16
10.16
10.16
10.16
12.06
12.06
12.06
12.06
12.06
12.06
12.06
12.06
12.06
16.51
16.51
16.51
16.51
16.51
16.51
16.51
16.51
16.51
0.250
0.250
0.250
0.250
0.250
0.250
0.250
0.250
0.250
0.320
0.320
0.320
0.320
0.320
0.320
0.320
0.370
0.370
0.370
0.370
0.370
0.450
0.450
0.450
0.450
0.600
0.600
0.600
0.600
0.600
0.600
0.600
0.600
0.600
6.35
6.35
6.35
6.35
6.35
6.35
6.35
6.35
6.35
8.13
8.13
8.13
8.13
8.13
8.13
8.13
9.40
9.40
9.40
9.40
9.40
11.43
11.43
11.43
11.43
15.24
15.24
15.24
15.24
15.24
15.24
15.24
15.24
15.24
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.500
0.750
0.750
0.750
0.750
0.750
0.750
0.750
0.750
0.750
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
12.70
19.05
19.05
19.05
19.05
19.05
19.05
19.05
19.05
19.05
0.036
0.032
0.028
0.025
0.025
0.020
0.018
0.018
0.018
0.040
0.040
0.036
0.032
0.028
0.025
0.023
0.051
0.051
0.045
0.040
0.036
0.036
0.032
0.028
0.025
0.051
0.051
0.051
0.051
0.045
0.040
0.032
0.032
0.028
0.91
0.81
0.71
0.63
0.63
0.51
0.46
0.46
0.46
1.02
1.02
0.91
0.81
0.71
0.63
0.58
1.30
1.30
1.14
1.02
0.91
0.91
0.81
0.71
0.63
1.30
1.30
1.30
1.30
1.14
1.02
0.81
0.81
0.71
m
m
15.24
15.24
15.24
15.24
15.24
15.24
15.24
15.24
15.24
19.81
19.81
19.81
19.81
19.81
19.81
19.81
26.67
26.67
26.67
26.67
26.67
26.67
26.67
26.67
26.67
31.75
31.75
31.75
31.75
31.75
31.75
31.75
31.75
31.75
PAGE
104
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.
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.
com
E-mail: apisales@delevan.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
Programming Basics
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