MOUNTING AVAILABLE
PTxxxR
PT
SERIES
Power Toroids -
Horizontal or Vertical Mount
PT SERIES POWER TOROIDS
5
5
5
5
10
10
10
10
25
25
25
25
50
50
50
50
75
0.015
0.012
0.010
0.008
0.020
0.015
0.010
0.008
0.035
0.025
0.020
0.014
0.050
0.030
0.025
0.020
0.060
0.040
0.035
0.025
0.080
0.050
0.035
0.028
0.100
0.060
0.050
0.040
0.130
0.080
0.055
0.150
0.100
0.075
0.250
0.180
0.110
0.220
0.160
0.090
0.350
0.280
0.150
0.620
0.420
0.200
6.1
7.4
10.6
12.8
4.9
6.8
9.3
13.2
4.4
6.6
7.0
10.4
3.8
5.6
7.0
11.0
3.9
5.2
7.4
10.6
3.5
5.1
7.8
10.3
3.4
5.7
7.7
12.3
3.8
6.1
9.1
3.3
5.5
7.3
2.4
4.7
6.0
3.4
5.0
8.0
2.6
3.7
6.4
1.8
3.1
5.9
PT5-530
PT5-700
PT5-800
PT5-1000
PT10-530
PT10-680
PT10-820
PT10-990
PT25-680
PT25-800
PT25-900
PT25-1000
PT50-780
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Inductance tested at 1 kHz, <10 gauss and 0 ADC
DCꢀResistance at 25°C
Rated Idc based on 40°C maximum rise from 25°C ambient with
0 Arms
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Windings single layered to maximize operating frequency and
minimize board space
Self leads solder coated to within 0.050" of seating plane
Other values available on request
Packaging Bulk only
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Mounting Standard mounting is self-lead radial per Figure “1”.
Optional mounting methods are self-leaded horizontal per Figure
“2” or vertical base mounted per Figures “3” and “4”.
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PT50-900
PT50-1020
PT50-1320
PT75-900
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FIGURE
1
FIGURE
2
75
75
75
PT75-980
PT75-1260
PT75-1550
PT100-1000
PT100-1100
PT100-1260
PT100-1550
PT150-1040
PT150-1250
PT150-1500
PT150-2050
PT250-1200
PT250-1500
PT250-1800
PT300-1200
PT300-1500
PT300-1750
PT400-1200
PT400-1500
PT400-1750
PT500-1450
PT500-1750
PT500-2000
PT750-1400
PT750-1700
PT750-2050
PT1000-1400
PT1000-1750
PT1000-2050
100
100
100
100
150
150
150
150
250
250
250
300
300
300
400
400
400
500
500
500
750
750
750
1000
1000
1000
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STANDARD
VERTICAL
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HORIZONTAL
FIGURE
3
FIGURE
4
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VERTICAL
2-LEAD
VERTICAL
4-LEAD
*Complete part # must include series # PLUS the dash #
For surface finish information,
refer to www.delevanfinishes.com
Notes to Figure 5 (Page 100) The PT Toroid Series inductance is specified at AC and DC signal levels which have no significant effect on the
permeability of the powdered iron toroidal core. Superimposed AC and DC voltages will change the permeability and therefore the inductance, under
operating conditions.Typically, DC currents will reduce the inductance, while AC signals will increase the inductance up to a point, before beginning to
decrease. Supporting information is provided, detailing the AC or DC effects upon each part. Saturation resulting from DC currents is specified with
waveform having less than a 1% ripple content.When considering the AC waveform, both the frequency and voltage level must be taken into account. As
an aid in defining what effect the alternating sine wave signal will have, the voltage/frequency factor curve can be used.To determine what change of
inductance can be expected at a given voltage level and frequency, simply divide the sinusoidal RMS voltage by the frequency.The voltage is in volts
and the frequency is in hertz. As an example, if using part number PT25-680 at a 1VRMS signal level, and a frequency of 25KHz, the voltage/frequency
factor is calculated to be: 1VRMS/25,000Hz = 40 x 10–6. Referring to the graph, a 39% increase in inductance would be expected.
Notes to Figure 6 (Page 100) Typical saturation effects as a function of DC flowing through the part. Data is representative of a DC waveform with
less than 1% ripple, and an AC waveform less than 10 gauss.
Note This information is intended to be used in assisting the designer in part selection. Each operating application may contain other variables which
must be considered in part selection; such as temperature effects, waveform distortion, etc.…
Delevan Sales/Engineering staff is available to provide information as needed to fit each application.
.
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
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