THT CURRENT SENSE
TRANSFORMERS
UL/C-UL recognized components
3000Vrms gate to drive winding test
Useful operating frequency from 50kHz to 500kHz
Most popular winding configurations
Electrical Specifications @ 25°C — Operating Temperature -40°C to 130°C
Part
6
Number
P0581
P0582
P0583
Turns
Ratio
200:1:1
100:1:1
50:1:1
Primary Inductance
(1-10) (mH MIN)
76
19
5
DCR Pri
(1-10) (Ω MAX)
2.8
1.4
0.7
DCR Sec1
(3-7) (mΩ
±15%)
1.7
1.7
1.7
DCR Sec2
(4-8) (mΩ
±15%)
1.7
1.7
1.7
Hi-Pot
(Pri-Sec) (Vrms)
3000
3000
3000
Additional Specifications
Part
Number
P0581
P0582
P0583
RT
200
100
15
Reference Data
Ipk
Droop
(Amps)
(%)
34
1.00
35
1.98
36
1.19
Calculation Data
Max Flux
Density
2000
2000
2000
Kb
17.12
68.49
273.97
Req
(mΩ)
.9
.8
.75
NOTES:
1. These current sense transformers have two one turn primaries that can
be used in parallel. The listed current ratings are for parallel connection.
2. The reference values are for an application using the termination resistor
(Rt) and operating with unipolar waveform at 100kHz, 40% duty cycle.
The estimated temperature rise is 55°C.
3. The peak flux density should remain below 2100 Gauss to ensure that the
core does not saturate. Use the following formula to calculate the peak
flux density: Bpk = Kb * Ipk * Rt * don/(Ff * Freq. in kHz) where: Rt is the
terminating resistor in the application and Ff is 1 for unipolar waveform
and 2 for bipolar waveform
4. To calculate the droop: Droop Exponent (D) = Rt * don/(Lpri in mH * Freq. in
kHz) %Droop = (1-e
-D
) * 100
5. The temperature rise of the component is calculated based on the total core
loss and copper loss:
A. To calculate total copper loss (W): P(cu) = Ipk
2
* Req * Ff * don
where: Ff is 1 for unipolar waveform and 2 for bipolar waveform
B. To calculate total core loss (W): P(core) = 0.000073 * (Freq. in kHz)
1.67
*
(Bop in kG)
2.532
where: Bop in kG = Kb * Ipk * Rt * don/(2000 * Freq. in kHz)
C. To calculate temperature rise: Temperature Rise (C) = 60.18 * (Core
Loss(W) + Copper Loss (W))
.833
6. To order RoHS compliant part, add the suffix "NL" to the part number
(i.e. P0581 becomes P0581NL).
Mechanical
.810 MAX
20,57
.580 MAX
14,73
Schematic
Pri
Sec
3
50T, 100T, or 200T
1T
.750 MAX
19,05
.130
3,30
P058X
Date Code Country of Origin
1
10
1T
7
4
8
3
1
4
10
.350
8,89
.700
17,78
7
Weight
. . . . . . . . . . . . . . . .5 grams
Tray
. . . . . . . . . . . . . . . . . . .20/tray
(6X) .040
.200
5,08
4
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
10
8
7
1
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Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
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P516.B (11/06)
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