PE-65793 Datasheet, PDF (6/7 Pages) Pulse A Technitrol Company – ISDN S-Interface Transformers

ISDN S-Interface Transformers
Common Mode Chokes for Telecom Applications
Part
Number
Low Frequency
PE-65853NL ^E
PE-65950NL ^E
High Frequency
PE-65554NL
PE-65854NL ^F
PE-65857NL
OCL Pri
(mH MIN)
4.7 mH ±30%
4.7 mH ±30%
24.0 μH MIN
47.0 μH MIN
22.5 μH MIN
Designed for 4-wire links, ISDN-S/T and T1/E1/CEPT
High frequency chokes for EMI reduction
Low frequency chokes improve longitudinal balance in
ISDN-S/T links
Surface mount and through hole models available
Electrical Specifications @ 25°C - Operating Temperature 0°C to +70°C
LL _Sec
Cw/w
DCR
(μH MAX)
(pF MAX)
(W MAX)
1
60
1.20
1
50
1.00
Isolation
(VRMS MIN)
500
500
Package /
Schematic
PA-2/5C (Surface Mount)
IS-4/1C (Through Hole)
.20
15
0.30
500
IN-1/C (Through Hole)
.18
20
0.40
50
SH-4/C (Surface Mount)
.23
17
0.30
500
LA-1/C (Surface Mount)
Typical common
mode attenuation
for low frequency
common mode
chokes based on
a 100 system.
Typical common
mode attenuation
for high frequency
common mode
chokes based on
a 100 system.
0
-5
-10
PE-65554/65857
-15
-20
PE-65854
-25
-30
1 MHz
10 MHz
Frequency
100 MHz
Typical impedance
for low frequency
common mode
chokes based on
a 100 system.
Typical impedance
for high frequency
common mode
chokes based on
a 100 system.
20K
18K
16K
14K
12K
PE-65541
10K
8K
PE-65950/65853
6K
4K
2K
0
100 KHz
1 MHz
Frequency
10 MHz
3.0K
2.8K
2.6K
2.4K
2.2K
2.0K
1.8K
1.6K
1.4K
1.2K
1K
800
600
400
200
0
1 MHz
PE-65854
PE-65554/65857
10 MHz
Frequency
100 MHz
6
pulseelectronics.com
T604.F (05/12)