Earth inductors
AC Line Filters VOL.09
●Allspecificationsinthiscatalogandproductionstatusofproductsaresubjecttochangewithoutnotice.Priortothepurchase,pleasecontactNECTOKINforupdatedproductdata.
●Pleaserequestforaspecificationsheetfordetailedproductdatapriortothepurchase.
●Beforeusingtheproductinthiscatalog,pleaseread"Precautions"andothersafetyprecautionslistedintheprintedversioncatalog.
2008.08.29P0938MCAF10VOL09E
*For one minute between insulating cap and terminal AC
**For one minute at 500VDC between insulating cap and terminal
• Thermal class: A (105˚C)
TÜV Rheinland
SNG-19A-080
SNG-19B-080
SNG-25A-600
SNG-25B-600
SNG-19DA-014
SNG-19DB-014
SNG-25DA-086
SNG-25DB-086
Model
Rated
voltage
(V AC/DC)
250
250
250
250
250
250
250
250
≧20
≧20
≧20
≧20
≧20
≧20
≧20
≧20
Insulation
resistance
(M⏲)**
80
80
600
600
14
14
86
86
Inductance(μH)
+50%(160kHz)
-30%
2500
2500
2500
2500
2500
2500
2500
2500
Withstanding
voltage
(V AC)*
Recognized
by:
TÜV
TÜV
TÜV
TÜV
—
—
—
—
19
19
38
38
20
20
38
38
Weight
approx.
(g)
10
10
20
20
10
10
20
20
DC resistance
max.(m⏲)
-25~+60
-25~+60
-25~+60
-25~+60
-25~+60
-25~+60
-25~+60
-25~+60
Operating
temperature
range(˚C)
Shape and Dimensions
[mm]
SNG-25B-600, SNG-25DB-086
250 max.
7.0±2.0 7.0±2.0
(115) (115)20 max.
30 max.
250 max.
7.0±2.0 7.0±2.0
(11.3)
(6.5)
(115) (20) (115)
(3.0)
30max.
42 max.
ø5.1
250 max.
7.0±2.0 7.0±2.0
(113) (113)
24 max.
39 max.
250 max.
7.0±2.07.0±2.0
(6.5)
ø5.1
(13)
(24)(113) (113)
(3.0)
39max.
49 max.
SNG-19A-080, SNG-19DA-014 SNG-25A-600, SNG-25DA-086
SNG-19B-080, SNG-19DB-014
Wiring: AWG 16 UL 1015
Applications
EMI/EMC Fliter
Earth Inductor
L
1
E
L
2
SW.REG.
FG
SNG Series
Earth Inductors
[RoHS Compliant]
SNG Series
Earth Inductors
[RoHS Compliant]
Earth inductors
AC Line Filters VOL.09
●Allspecificationsinthiscatalogandproductionstatusofproductsaresubjecttochangewithoutnotice.Priortothepurchase,pleasecontactNECTOKINforupdatedproductdata.
●Pleaserequestforaspecificationsheetfordetailedproductdatapriortothepurchase.
●Beforeusingtheproductinthiscatalog,pleaseread"Precautions"andothersafetyprecautionslistedintheprintedversioncatalog.
2008.08.29P0938MCAF10VOL09E
Noise Suppression Effect
Impedance vs. Frequency
20
40
60
80
100
(79)
(73)
(79)
(73)
(79)
(73)
(79)
(73)
VCCI (Class A)
VCCI (Class A) VCCI (Class A)
VCCI (Class A)
Terminal Voltage (dB) 1애V=0 dB
Frequency (MHz)
Without Earth Inductor
0.15 1 10 30
20
40
60
80
100
Terminal Voltage (dB) 1애V=0 dB
Frequency (MHz)
Without Earth Inductor
0.15 1 10 30
20
40
60
80
100
Terminal Voltage (dB) 1애V=0 dB
Frequency (MHz)
SNG-25D-086
0.15 1 10 30
20
40
60
80
100
Terminal Voltage (dB) 1애V=0 dB
Frequency (MHz)
SNG-25A-600
0.15 1 10 30
3
6
1
3
6
1
3
6
1
3
6
1
3
6
1
3
6
1
3
6
361 361 361 361 3
1M
100K
10K
1K
100
10
1
0.1
Impedance (⏲)
Frequency (Hz)
1K 40M10K 100K 1M 10M
SNG-19A-080, SNG-19B-080
3
6
1
3
6
1
3
6
1
3
6
1
3
6
1
3
6
1
3
6
361 361 361 361 3
1M
100K
10K
1K
100
10
1
0.1
Impedance (⏲)
Frequency (Hz)
1K 40M10K 100K 1M 10M
SNG-19DA-014, SNG-19DB-014
3
6
1
3
6
1
3
6
1
3
6
1
3
6
1
3
6
1
3
6
361 361 361 361 3
1M
100K
10K
1K
100
10
1
0.1
Impedance (⏲)
Frequency (Hz)
1K 40M10K 100K 1M 10M
SNG-25A-600, SNG-25B-600
3
6
1
3
6
1
3
6
1
3
6
1
3
6
1
3
6
1
3
6
361 361 361 361 3
1M
100K
10K
1K
100
10
1
0.1
Impedance (⏲)
Frequency (Hz)
1K 40M10K 100K 1M 10M
SNG-25DA-086, SNG-25DB-086