AC Line Filters
Differential Mode SN Coils, SN-J Series,
Terminal Base Type
Overview
Applications
The KEMET SN-J coils are normal mode choke coils with
a wide variety of characteristics. These coils are designed
with our proprietary Fe dust cores and are useful in various
noise countermeasure fields.
• Home appliances
• Power supplies
Benefits
• Proprietary Fe dust core material
• Excellent for normal mode noise countermeasures
• Large core loss
• Wide variety of sizes and specifications
• Operating temperature range from -25°C to +105°C
or +120°C
• UL 94 V–2 flame retardant rated cap
• UL 94 V–0 flame retardant rated base
Part Number System
SN
10-
300
J
Series
Dimension Code
(See Dimensions)
Specification Code
(See Table 1)
Terminal Base Type
(See Dimensions)
10
12
14P
16P
300
400
500
800
J
SN
Built Into Tomorrow
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
LF0058_SN-J • 8/10/2023
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AC Line Filters – Differential Mode SN Coils, SN-J Series, Terminal Base Type
Dimensions – Millimeters
Figure 2
B
B
L
(a)
Part Number
SN10-300J
SN10-400J
SN10-500J
SN12-800J
SN12-400J
SN12-500J
SN16P-400J
SN14P-300J
1
N1
L
(a)
N1
C
A
C
A
(a)
Figure 1
(a)
Pin Pitch1
(Reference)
Dimensions (mm)
A
(Maximum)
B
(Maximum)
C
(Maximum)
L
a
23.0
23.0
23.0
29.0
28.0
28.0
33.0
35.0
16.0
16.0
16.0
18.0
17.0
17.0
21.0
25.0
26.0
26.0
26.0
29.0
29.0
29.0
33.5
37.0
7.0±2
7.0±2
7.0±2
7.0±2
7.0±2
7.0±2
4.5±1
4.5±1
10
10
10
10
10
10
16
20
Figure
Fig. 1
Fig. 1
Fig. 1
Fig. 1
Fig. 1
Fig. 1
Fig. 2
Fig. 2
Pin pitch listed above for reference only. Values not guaranteed
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
LF0058_SN-J • 8/10/2023
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AC Line Filters – Differential Mode SN Coils, SN-J Series, Terminal Base Type
Environmental Compliance
All KEMET AC Line Filters are RoHS Compliant.
Performance Characteristics
Item
Performance Characteristics
Rated Current Range
Rated Inductance Range
Inductance Measurement Condition
Wire Type
Thermal Class
3 – 15 A
40 – 270 µH minimum
100 kHz
1 PVF, 1 UEW, and 1 PEW
A (105°C) and E (120°C)
Operating Temperature Range
−25°C to +105°C (include self temperature rise) and
−25°C to +120°C (include self temperature rise)
Table 1 – Ratings & Part Number Reference
Part Number
Rated
Current
(A)
SN10-300J
SN10-400J
SN10-500J
SN12-800J
SN12-400J
SN12-500J
SN16P-400J
SN14P-300J
3
3
3
3
5
5
8
15
Inductance DC Resistance/
(µH)
Line (mΩ)
Minimum
Maximum
40
72
110
270
64
100
108
80
0.041
0.056
0.071
0.130
0.037
0.045
0.027
0.015
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Temperature
Rise (K)
Maximum
Wire
Diameter
(mm)
Thermal
Class
Weight
(g)
Approximate
23
27
30
45
35
38
45
77
0.8
0.8
0.8
0.8
1.0
1.0
1.5
1.6
A (105°C)
A (105°C)
A (105°C)
A (105°C)
A (105°C)
A (105°C)
E (120°C)
E (120°C)
12.5
12.9
14.0
19.0
17.1
20.0
44.9
56.0
LF0058_SN-J • 8/10/2023
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AC Line Filters – Differential Mode SN Coils, SN-J Series, Terminal Base Type
Frequency Characteristics
1M
SN10-300J
1M
10k
10k
Impedance (Ω)
100k
Impedance (Ω)
100k
1k
100
10
1k
100
10
1
1
1k
1M
10k
100k
Frequency (Hz)
1M
10M
30M
1k
SN10-500J
1M
10k
10k
Impedance (Ω)
100k
Impedance (Ω)
100k
1k
100
10
10M
30M
100k
1M
10M
30M
100k
1M
10M
30M
100k
1M
10M
30M
SN12-800J
100
10k
100k
Frequency (Hz)
1M
10M
30M
1k
SN12-400J
1M
10k
10k
Impedance (Ω)
100k
Impedance (Ω)
1M
1k
100k
1k
100
10
10k
Frequency (Hz)
SN12-500J
1k
100
10
1
1
1k
10k
100k
Frequency (Hz)
1M
10M
30M
1k
SN14P-300J
1M
100k
10k
10k
Impedance (Ω)
100k
Impedance (Ω)
100k
Frequency (Hz)
1
1k
1M
10k
10
1
1M
SN10-400J
1k
100
10
10k
Frequency (Hz)
SN16P-400J
1k
100
10
1
1
1k
10k
100k
Frequency (Hz)
1M
10M
30M
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
1k
10k
Frequency (Hz)
LF0058_SN-J • 8/10/2023
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AC Line Filters – Differential Mode SN Coils, SN-J Series, Terminal Base Type
Packaging
Type
SN10-J
SN12-J
SN14P-300J
SN16P-400J
Packaging Type
Tray
Pieces Per Box
600
300
250
Handling Precautions
Precautions for product storage
AC Line Filters should be stored in normal working environments. While the chokes themselves are quite robust in other
environments, solderability will be degraded by exposure to high temperatures, high humidity, corrosive atmospheres, and
long term storage.
KEMET recommends that maximum storage temperature not exceed 40°C and maximum storage humidity not exceed 70%
relative humidity. Atmospheres should be free of chlorine and sulfur bearing compounds. Temperature fluctuations should
be minimized to avoid condensation on the parts. Avoid storage near strong magnetic fields, as this might magnetize the
product.
For optimized solderability, AC line filters stock should be used promptly and preferably within 6 months of receipt.
Product temperature rise values
The values listed for temperature rise are the result of self-heating in wires when the rated current (commercial frequency)
is applied.
When using the product, check and evaluate the value of the core temperature rise under actual operating conditions.
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
LF0058_SN-J • 8/10/2023
5
AC Line Filters – Differential Mode SN Coils, SN-J Series, Terminal Base Type
KEMET Electronics Corporation Sales Offices
For a complete list of our global sales offi ces, please visit www.kemet.com/sales.
Disclaimer
YAGEO Corporation and its affi liates do not recommend the use of commercial or automotive grade products for high reliability applications or manned space fl ight.
All product specifi cations, statements, information and data (collectively, the “Information”) in this datasheet are subject to change. The customer is responsible for
checking and verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed. All Information given
herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied.
Statements of suitability for certain applications are based on KEMET Electronics Corporation’s (“KEMET”) knowledge of typical operating conditions for such
applications, but are not intended to constitute – and KEMET specifi cally disclaims – any warranty concerning suitability for a specifi c customer application or use.
The Information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. Any
technical advice inferred from this Information or otherwise provided by KEMET with reference to the use of KEMET’s products is given gratis, and KEMET assumes no
obligation or liability for the advice given or results obtained.
Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component
failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards
(such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or
property damage.
Although all product–related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicated or that other
measures may not be required.
When providing KEMET products and technologies contained herein to other countries, the customer must abide by the procedures and provisions stipulated in all
applicable export laws and regulations, including without limitation the International Traffi c in Arms Regulations (ITAR), the US Export Administration Regulations
(EAR) and the Japan Foreign Exchange and Foreign Trade Act.
KEMET is a registered trademark of KEMET Electronics Corporation.
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
LF0058_SN-J • 8/10/2023
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