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參數資料
| 型號： | PK-21 |
| 元件分類： | 電源濾波器 |
| 英文描述： | SINGLE PHASE EMI FILTER |
| 文件頁數： | 1/2頁 |
| 文件大小： | 60K |
| 代理商： | PK-21 |
30
13402 SOUTH 71 HIGHWAY
GRANDVIEW, MO 64030
E-mail: torotel@sound.net (816) 761-6314 FAX (816) 763-2278
CORE TYPE
STYLE
EXAMPLE:
A 31 G 1
INDUCTANCE
(milihenrys)
SIZE
PART NUMBER ORDERING INFORMATION
* Add style prefix (from this page) to part number
COMMON MODE INDUCTORS FOR EMI/RFI APPLICATIONS
Common Mode Inductors are most often used to eliminate line
transmitted noise, such as that caused by transistors, SCR’s,
etc., in switch mode regulated power supplies.
Interference
caused by multiple equipment on a common power line can be
minimized by the “split-winding” design, thus reducing the inherent
conducted noise to an acceptable level.
C2
Power
Source
L2
C3
C1
L3
L1
EMI COMMON MODE
SUPPRESSION
INDUCTOR
2
1
34
Inductance and DCR values shown are for each winding
Other inductances are available.
DCI is for 40 C temperature rise.
** Test level is at 1 kHz.
STYLE F
.630
MAX.
.13
MIN.
1.210
MAX.
1.200 MAX.
STYLE NA, NB
.250
MIN.
.300
.600
MAX.
.020
1.250
MAX.
LEAD DIA.
STYLE F
.13
MIN.
1.460
MAX.
1.350 MAX.
.250
MIN.
.300
.800
MAX.
.020
1.450
MAX.
1.000
1.270
PART
NUMBER
"L"
(
mH)
LEAD
DIA.
DCR
(
)
max.
DCI
(
Amps)
LEAKAGE
INDUCTANCE
(
H)
TEST**
LEVEL
(
VRMS)
*32K2
2.0
7.5
0.02
25
0.08
0.047
*32K4
4.0
5.2
0.04
45
0.20
0.036
*32K8
8.0
3.2
0.12
90
0.50
0.032
*32K16
16.0
2.6
0.16
180
1.00
0.032
*31G1
1.0
6.0
0.02
12
0.08
0.036
*31G3
3.0
3.5
0.06
35
0.20
0.032
*31G10
10.0
1.8
0.24
130
0.50
0.032
Maximum operating temperature: 130 C.
(ambient + temperature rise)
Dielectric strength: 1500 Vrms
Winding balance: ±1%
A typical circuit for the elimination of noise is shown above. The filter contains
two stages, one for common mode noise (L1, C1 and C2) and one for
conducted noise (L2, L3 and C3). Special note should be made of the
phasing dots.
PART
NUMBER
"L"
(
mH)
LEAD
DIA.
DCR
(
)
max.
DCI
(
Amps)
LEAKAGE
INDUCTANCE
(
H)
TEST**
LEVEL
(
VRMS)
Dimensions are in inches
For LEAD DIA. see tables above
.050 DIA.
.400
.800
.830
MAX.
.050 DIA.
.600
.900
31
42
31
42
1
2
4
1
3
4
STYLE NA, NB
STYLE A
STYLE
DESCRIPTION
NA
WITH FOOT
NB
WITHOUT FOOT
These parts may be special
ordered with a
4-40UNC X 5 threads min. insert
LEAD DIA.
SMPS
1
3
.20
MIN.
.750
MAX.
1.270
LEAD DIA.
2
4
1.350 MAX.
.300
1
3
.20
MIN.
.560
MAX.
1.000
LEAD DIA.
2
4
1.130 MAX.
.300
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