By August 2005
Two-stage general-purpose filter
•
•
•
•
•
•
•
•
•
•
•
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Current ratings from 1 to 20A
High differential and common mode attenuation
Four choices of output connector
Optional medical versions (B type)
Nennströme von 1 bis 20A
Gute differentielle und Gleichtakt-Dämpfung
Vier Anschlußarten
Für medizinische Geräte als Option (Typ B)
Courants de service de 1 à 20A
Bonne atténuation en modes différentiel et commun
Quatre types de connexions de sortie
Version pour appareils médicaux en option (type B)
FN 660
Filter selection table
Choose the family
FN xxx
with the required current rating and features, and add
/??
to determine input/output (line/load) connection style. Example: FN 660-3/07 is a 3A
filter with wire connections.
Family
Connections
Current ratings
Inductance
L/L1
Approvals
Housing
at 40°C (25°)
A
FN
FN
FN
FN
FN
FN
660
660
660
660
660
660
-1
-3
-6
-10
-16
-20
/??
/??
/??
/??
/??
/??
/06
/06
/06
/06
/06
/06
/07
/07
/07
/07
/10
/10
1
3
6
10
16
20
(1.15)
(3.4)
(6.9)
(11.5)
(18.4)
(23)
Weight
g
mH
3/3
2/2
0.75/0.75
0.45/0.45
0.44/0.44
0.48/0.48
H21
K1
K1
K21
K2
L1
/03
/06
115
170
170
230
260
590
/07
125
180
180
240
/10
/03
/03
290
600
290
640
Additional specifications
Filter type
Capacitance
Res.
Cx
nF
Standard types
B types (medical)
150
150
Cy
nF
2.2
R
MΩ
1
1
Maximum
leakage
Maximum
operating voltage
Operating
frequency
Hipot test voltage
μA/phase
190
2
VAC
250
250
Hz
50/60
50/60
Hz
DC to 400
DC to 400
PN E
VAC
2000
2500
P N
VAC
1700
1700
MTBF at 40°C, 230V, per Mil-HB-217F: 350,000 hours (for VDE-approved current ratings).
Electrical schematic
FN 660
Cx
P
LINE
2xL
2xCy
Cx
R
2xL
1
P'
LOAD
N'
E
N
See tables for component values.
126
FN 660 insertion loss
Per CISPR 17; A = 50
Ω
/50
Ω
sym, B = 50
Ω
/50
Ω
asym, C = 0.1
Ω
/100
Ω
sym, D = 100
Ω
/0.1
Ω
sym
1 amp types
dB
70
60
50
40
30
20
10
0
-10
-20
10k
100k
1M
10M
3 amp types
B
D
A
dB
70
60
50
40
6 amp types
A
D
B
dB
70
60
50
10 amp types
A
B
D
C
40
30
20
10
0
-10
C
C
30
20
10
0
-10
-20
10k
100k
1M
10M
-20
10k
100k
1M
10M
16 amp types
dB
70
60
50
40
30
20
10
0
-10
-20
10k
100k
1M
10M
20 amp types
B
A
D
dB
70
60
50
40
30
20
10
0
-10
-20
10k
100k
1M
10M
B
A
C
D
C
Mechanical data
FN 660-1
H21
Tol.
mm
± 0.5
±1
±1
±1
± 0.2
± 0.5
± 0.3
± 0.5
± 0.1
± 0.1
±1
+5
Front view
Top view
M
N
A
B
C
D
F
J
K
L
M
N
Y
Z
71
46.6
29
50.5
61
(J1)
8.5
(J2)
21
10.5
19
5.3
6.3
6
140
J
J1
J2
C
L
K
Housing K2, K21
L
Housing H21, K1
K
A
C
D
F
B
Housing H21, K1, K2, K21
FN 660
-3-6
K1
FN 660
-10/-16
K2, K21
FN 660
-20
L1
Tol.*
mm
± 0.5
± 0.5
±1
±1
± 0.5
± 0.2
± 0.1
± 0.5
± 0.5
± 0.5
± 0.1
± 0.1
-
±1
+ 10
Front view
Top view
N
M
A
B
C
D
E
F
G
J
K
L
M
N
W
Y
Z
85
54
30
65
75
27(J1) 8.5(J2)
40
7
5.3
6.3
AWG 16
6
300
27
12
29.5
105
99.5 ± 1
38
84.5
79
95
51
40
9.5
19
4.4
6
C
K
J
Housing L1
D
F
A
Housing L1
L
E
G
B
140 + 5
* Measurements share this common
tolerance unless otherwise stated.
All dimensions in mm; 1 inch = 25.4 mm
127
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