FILTRAN 7120

ISDN S-BUS
INPUT/OUTPUT TRANSFORMERS
7117-7121
Units matched to leading transceivers IC’s.
IC MFG.
FILTRAN P/N
IC MFG.
FILTRAN P/N
AMD
AM79C30A/79C32A
7121
NATIONAL
TP3420/3421
7119
AT&T/LUCENT
T7250/7256/7259
T7903
7120
7119
SGS THOMSON
ST5420/5421
7119
SIEMENS
PEB 2080/2081/2085
PSB 2186
PEB 2084/2086
7119
7119
7119
YAMAHA
7405B
7119
MIETEC
MTC-2072
7119
MITEL
MT8930
7119
MOTOROLA
MC145474/145475
MC145574
7118
7120
MECHANICAL AND SCHEMATIC (All dimensions in millimetres)
7117 - 7121
SUGGESTED PAD LAYOUT
ELECTRICAL SPECIFICATION @ 25˚C
Part
Number
ISSUE: A 08/01
SCHEMATIC
Turns Ratio
(±2%)
L Pri
(mH MIN)
LL Sec
(µH MAX)
CW/W
(pF MAX)
CD Pri
(pF MAX)
DCR Pri
( Ω±25%)
DCR Sec
(Ω±25%)
A
B
A&B
A
B
A&B
A
B
A
B
A
B
7117
1:1
1:2
22
5
15
100
42
80
2.4
2.3
2.4
4.0
7118
1:1
1:1
22
5
5
100
42
42
2.4
2.4
2.4
2.4
7119
1:2
1:2
22
15
15
100
80
80
2.5
2.5
4.3
4.3
7120
1:2.5
1:2.5
22
8-40
8-40
100
110
110
2.5
2.5
5.8
5.8
7121
1:2
1:2
22
11
11
100
180
180
2.4
2.4
4.4
4.4
An ISO 9001 Registered Company
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com