F-1400 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – Common Mode Chokes for Telecom Applications

Common Mode Chokes
for Telecom Applications
Schematic
Designed for 4-Wire Links ISDN S / T1
For EMI Reduction - Filters Common Mode Noise
500 V_RMS Minimum Isolation Between Windings
Frequencies 100 kHz to 200MHz
Low Frequency Chokes
Electrical Specifications at 25^OC
LF Choke OCL
Part
min.
L sec
L
max.
C
W/W
max.
Number ( mH ) ( µH ) ( pF )
F-1400
6.0
35.0
22
F-1401
4.0
30.0
10
F-1402
4.0
0.7
40
F-1403
1.0
10.0
10
DCR
max.
(Ω)
1.4
0.7
0.7
0.7
Z min. Z min.
OC
OC
( kΩ ) ( kΩ )
150 kHz 300 kHz
5.5
8.0
3.3
6.0
3.3
6.0
0.9
1.6
Z min.
OC
( kΩ )
500 kHz
8.0
8.0
8.0
2.3
Z min.
OC
( kΩ )
1MHZ
9.0
11.0
11.0
3.3
High Frequency Chokes
Electrical Specifications at 25^OC
HF Choke
Part
Number
OCL
min.
( µH )
L sec
L
max.
( µH )
C
W/W
max.
( pF )
F-1600 24.0 0.20
15
F-1601 16.0 0.20
12
F-1602
8.0
0.20
10
DCR
max.
(Ω)
0.30
0.30
0.25
Z min. Z min.
OC
OC
( kΩ ) ( kΩ )
10 MHz 30 MHz
0.9 1.60
0.7 1.35
0.55 1.10
Z min. Z min.
OC
OC
( kΩ ) ( kΩ )
70MHz 100MHZ
1.15 0.80
1.05 0.65
1.00 0.52
*OCL,
LAN CLEhAokKes-
AGE ^{Electrical Specifications at 25OC}
Turns
OCL
INDU ^Part
Number
Ratio
min.
( µH )
F-1351
1:1:1:1
18
F-1352
1:1:1:1
36
L_L sec
max.
( µH )
.3
.3
C_W/W
max.
( pF )
65
200
DCR
max.
(Ω)
25
25
HI-POT
min.
( V_RMS )
500
500
Package
Style
8 Pin
8 Pin
F-135X Schematic
4000
3000
Z
2000
(Ω)
1000
Impedance Curve for F-1351 / 1352
Typical
Minimum
0
10
20
40 60 80 100 200 33000
Frequency ( MHz )
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
CHOKES -7/97
15801 Chemical Lane, Huntington Beach, CA 92649-1595
31
Tel: [phone] • Fax: [phone]