MINIMUM
INDUCTANCE (µH)
@ 100 KHz, 0.25V
SPSTxxxR
SPST
Series
High Frequency
Switchmode Power Toroid
SERIES SPST
SPST44-1
SPST44-2
SPST44-3
SPST44-4
SPST50-1
SPST50-2
SPST50-3
SPST50-4
SPST50-5
SPST50-6
SPST50-7
SPST68-1
SPST68-2
SPST68-3
SPST68-4
SPST68-5
SPST68-6
SPST68-7
SPST80-1
SPST80-2
SPST80-3
SPST80-4
SPST80-5
SPST80-6
SPST106-1
SPST106-2
SPST106-3
SPST106-4
SPST106-5
SPST106-6
18.85
14.75
12.30
8.06
47.70
35.48
27.16
21.65
16.76
12.50
8.86
89.50
71.10
54.81
43.30
33.15
24.31
18.64
128.00
107.50
80.75
65.04
47.70
38.07
253.00
197.00
154.00
116.00
93.00
70.05
12.72
9.82
2.8
3.4
4.0
4.8
2.8
3.4
4.0
4.8
5.7
6.8
8.1
2.8
3.4
4.0
4.8
5.7
6.8
8.1
4.0
4.8
5.7
6.8
8.1
9.7
4.0
4.8
5.7
6.8
8.1
9.7
0.045
0.031
0.024
0.016
0.079
0.058
0.041
0.030
0.020
0.014
0.011
0.108
0.087
0.060
0.043
0.029
0.021
0.015
0.096
0.068
0.045
0.033
0.023
0.017
0.139
0.106
0.074
0.049
0.040
0.024
3.6
3.6
3.6
3.6
5.4
5.4
5.4
5.4
5.4
0.020
0.022
0.025
0.028
0.020
0.022
0.025
0.028
0.032
0.036
0.040
0.020
0.022
0.025
0.028
0.032
0.036
0.040
0.026
0.028
0.032
0.036
0.040
0.045
0.026
0.028
0.032
0.036
0.040
0.045
7.75
5.22
29.00
23.77
16.13
12.27
9.50
6.75
4.80
5.4
5.4
57.99
41.59
33.05
26.63
18.79
13.56
10.23
74.04
58.05
42.00
31.60
22.79
18.11
153.00
113.00
84.00
61.90
48.00
35.30
11.7
11.7
11.7
11.7
11.7
11.7
11.7
20.3
20.3
20.3
20.3
20.3
20.3
40.5
40.5
40.5
40.5
40.5
40.5
Physical Parameters
SPST-
44
50
68
80
106
A (typ.) in. 0.625 0.700 0.875 0.975 1.300
mm 15.875 17.780 22.225 24.765 33.020
B (typ.) in. 0.350 0.475 0.475 0.625 0.725
mm 8.890 12.065 12.065 15.875 18.415
C (min.) in. 0.700 0.750 0.950 1.100 1.400
mm 17.780 19.050 24.130 27.940 35.560
*Complete part # must include series # PLUS the dash #
For further surface finish information,
refer to TECHNICAL section of this catalog.
D (ref.) in.
mm 6.350 7.620 7.620 11.430 12.700
Dimension E – see table
0.250 0.300 0.300 0.450 0.500
Mechanical Configuration
Vertical Mount Power Toroid
Current Rating 40°C rise maximum over 20°C
Ambient at rated current
Windings are single layer to maximize operating
frequency and maximize board space
Marking Part supplied unmarked; Pre-printed label
can be supplied upon request
Leads Tinned leads extending above seating plane
Other values available upon request
Packaging Bulk only
P9AG4E
.
www.delevan.com E-mail: apisales@delevan com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
4/2005