BH Electronics
Network
& Data Line Matching
Transformers
Network
& Data Line Matching
ransformers
T
•
•
•
•
•
•
Designed
for
use
in line
matching and isolation cir cuits
isolation circuits
Ideal for use
as baluns or as isolation tranformers
for use
as baluns or as isolation tranformers
Use
in
popular networks such
as Ethernet or xxbaseT
as Ethernet or xxbaseT
Use
in
proprietary networks based
on RS232, RS422 or RS485
RS232, RS422 or RS485
Products
are available to support data rates as low as 9.6 Kb/sec
data rates as low as 9.6 Kb/sec
Surface
mount designs available (See pages 30-32)
designs available (See pages 30-32)
ELECTRICAL SPECIFICATIONS
T
25° C:
ELECTRICAL SPECIFICA
AT
25° C:
TIONS A
BH PART
NUMBER
500-1318
500-1346
500-1348
500-1349
500-1425
500-1430
500-1455
500-1461
500-1465
500-1480
500-1481
500-1485
500-1488
500-1535
500-1538
500-1542
500-1543
500-1544
500-1637
ET CONSTANT
(VuSEC. MIN.)
TURNS RATIO
PRIMARY
OR IMPEDANCE INDUCTANCE
100½ : 100½
1:1
1:1
50½ : 100½
1:1
93½ : 150½
1:1
1:1
1ct : 1ct
100½ : 100½
78½ : 100½
1:1:2:2
1 : 1ct
1 : 1.4ct
1ct : 1ct
1ct : 1ct
1:1
1 : 1ct
78½ : 78½
0.5 mH
75 uH
150 uH
0.45 mH
2 mH
2.8 mH
21 mH
800 mH
193
0.5 mH
0.2 mH
3.3 mH
2.2 mH
150 uH
147 uH
430 mH
4.66 mH
2.2 mH
0.2 mH
ISOLATION
VOLTAGE
500 VDC
2000 VDC
2000 VDC
500 VDC
2000 VDC
500 VDC
1500 VRMS
2200 VRMS
1500 VRMS
500 VRMS
500 VDC
500 VDC
1000 VRMS
500 VDC
500 VDC
2900 VDC
2500 VRMS
1000 VRMS
500 VDC
SCHEMATIC
11
6
6
11
7
12
3
4
2
11
5
8
1
9
10
2
5
1
13
FIGURE
6
3
3
6
5
6
1
1
1
6
1
4
1
2
2
1
1
1
7
DIM. “A”
MAX.
na
na
na
na
na
na
0.4
0.57
0.45
na
0.54
na
0.4
na
na
0.56
0.56
0.6
na
DIM. “B”
MAX.
na
na
na
na
na
na
0.35
0.4
0.45
na
0.39
na
0.28
na
na
0.37
0.25
0.35
na
2:24
150
25
100
1200
380
30
25
>1
>1
900
13
90
SCHEMATIC 1
1
8
1
SCHEMATIC 2
8
1
SCHEMATIC 3
8
1
SCHEMATIC 4
4
1
SCHEMATIC 5
5
7
2
7
2
7
8
5
4
8
4
5
4
5
SCHEMATIC 6
1
16
1
SCHEMATIC 7
14
1
SCHEMATIC 8
5
6
SCHEMATIC 9
1
6
SCHEMATIC 10
1
2
4
15
13
3
5
12
10
2
3
6
7
2
5
2
4
7
5
7
12
10
8
4
8
3
4
3
8
9
TWENTY TWO / BH ELECTRONICS
www.bhelectronics.com
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