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| 型號(hào)： | P0770 |
| 英文描述： | POWER MAGNETICS CATALOG (68 pages) - (5/02) |
| 中文描述： | 功率磁性元件產(chǎn)品目錄（68頁(yè)） - （5 / 02） |
| 文件頁(yè)數(shù)： | 46/68頁(yè) |
| 文件大?。?/td> | 2741K |
| 代理商： | P0770 |
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PC500.B (5/02)
44
US 858 674 8100
UK 44 1483 401 700
France 33 3 84 35 04 04
Singapore 65 287 8998
Taiwan 886 2 2698 0228
Hong Kong 852 2788 6588
http://www.pulseeng.com
THT CURRENT SENSE
TRANSFORMERS
UL/C-UL recognized components
3000 Vrms gate to drive winding test
Useful operating frequency from 50 kHz to 500 kHz
Most popular winding configurations
Mechanical
Schematic
Electrical Specifications @ 25°C — Operating Temperature -40°C to 130°C
Turns
Primary Inductance
DCR Pri
Ratio
(1-10) (mH MIN)
(1-10) (
MAX)
200:1:1
76
2.8
100:1:1
19
1.4
50:1:1
5
0.7
Part
Number
P0581
P0582
P0583
DCR Sec1
(3-7) (m
±15%
)
1.7
1.7
1.7
DCR Sec2
(4-8) (m
±15%
)
1.7
1.7
1.7
Hi-Pot
(Pri-Sec) (Vrms)
3000
3000
3000
.750 MAX
19,05
.810 MAX
20,57
.580 MAX
14,73
Date Code Country of Origin
.130
3,30
SUGGESTED PCB HOLE PATTERN
.200
5,08
.700
17,78
.350
8,89
(6X) .040
1
4
10
7
3
10
1
4
7
8
50T, 100T, or 200T
10
1T
1T
Pri
Sec
3
7
4
8
1
Additional Specifications
Reference Data
Ipk
(Amps)
34
35
36
Calculation Data
Part
Number
RT
Droop
(%)
1.00
1.98
1.19
Max Flux
Density
2000
2000
2000
Kb
Req
(m
)
.9
.8
.75
P0581
P0582
P0583
200
100
15
17.12
68.49
273.97
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 100 kHz, 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
NOTES:
Weight
. . . . . . . . . . . . . . . .5 grams
Tray
. . . . . . . . . . . . . . . . . . .20/tray
Dimensions:
Inches
Unless otherwismm
0,25
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