BH Electronics
TRANSFORMERS
General Purpose Pulse Transformers
• Designed for a Wide Variety of Low Power Applications
• PC Board Mounting
• Surface Mount Available
• 500 VDC Hi-Pot
SCHEMATIC A
5
3
TER.
SEC.
6
4
CT 3
4 CT
1
2
4
6
500-1300
BH XXXX
.510
MAX
.355
MAX
SCHEMATIC B
1
PRI.
SEC.
2
.30 MAX.
.125
.400
.020 DIA.
.100
.200
1
PRI.
2
5
6
3
5
BH
PART
NUMBER
TURNS
RATIO
(±5%)
PRIMARY
SINE WAVE
Loc
(µH MIN.)
PRIMARY
ET-CONSTANT
(Vµ SEC. MIN.)
PRI./SEC.
Cw/w
(pf MAX.)
PRI./SEC.
LEAKAGE
INDUCTANCE
(µH MAX.)
PRIMARY
DCR
(OHMS MAX.)
SECONDARY
DCR
(OHMS MAX.)
TERTIARY
DCR
(OHMS MAX.)
SCHEMATIC
STYLE
500-1300
500-1301
500-1302
500-1303
500-1304
500-1305
500-1306
500-1307
500-1308
500-1309
500-1310
500-1311
500-1312
500-1313
500-1314
500-1315
500-1316
500-1317
500-1318
500-1319
500-1320
500-1321
500-1322
500-1323
500-1324
500-1325
500-1326
500-1327
500-1328
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
2:1:1
2:1:1
2:1:1
2:1:1
2:1:1
3:1:1
3:1:1
4:2:1
4:2:1
4:2:1
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
2CT:1CT
2CT:1CT
2CT:1CT
2CT:1CT
2CT:1CT
2CT:1CT
5000
2000
500
200
50
20
10
5000
2000
500
200
20
200
20
2000
500
200
2000
500
200
50
20
10
2000
500
200
50
20
10
25.0
16.0
8.5
5.0
5.2
3.2
3.7
25.0
16.0
8.5
5.0
5.8
5.0
3.2
16.0
8.5
5.0
16.0
8.5
5.0
5.2
3.2
3.7
16.0
8.5
5.0
5.2
5.8
3.7
60
37
30
18
18
21
22
33
19
11
8
12
7
6
20
13
8
37
32
18
18
21
22
19
12
8
12
12
9
1.3
0.8
0.4
0.3
0.5
0.4
0.5
3.6
1.8
1.1
0.8
1.5
1.1
1.3
2.5
0.9
0.8
0.8
0.4
0.3
0.5
0.4
0.5
1.8
1.2
0.8
1.3
1.5
1.5
1.5
1.0
1.0
0.9
0.5
0.2
0.1
1.0
1.0
1.0
0.9
1.0
0.9
0.9
2.5
1.0
0.9
2.0
1.0
0.5
1.0
0.9
0.9
1.0
1.0
0.9
1.3
1.0
0.9
1.5
1.0
1.0
0.9
0.5
0.2
0.1
1.0
0.5
0.7
0.5
0.5
0.4
0.4
1.4
0.8
0.5
2.0
1.0
0.5
1.0
0.9
0.9
0.5
0.5
0.5
0.7
0.5
0.5
1.5
1.0
1.0
0.9
0.5
0.2
0.1
1.0
0.5
0.7
0.5
0.5
0.4
0.4
0.8
0
.5
0.4
-
-
-
-
-
-
-
-
-
-
-
-
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
B
B
B
B
w w w. b h e l e c t r o n i c s . c o m
BH ELECTRONICS / NINETEEN