HIGH FREQUENCY MAGNETICS
T1/CEPT Dual Line Interface Transformers
•
•
•
Pick and place compatible
Small form factor to mimimize board space
Low height profile
•
•
TM00131
Minimum interwinding breakdown voltage of 1500 Vrms
Reference data sheet TM9905 for additional dual surface
mount transformers
ELECTRICAL SPECIFICATIONS at 25° C
Primary
Inductance
mH min
Interwinding
Capacitance
pF max
Pri
Coil A
Coil B
Coil A & B
Coil A
Coil B
Coil A & B
Coil A
S553-3855-02
1 : 1.15 CT
1 CT : 2 CT
1.2
0.6
0.8
30
0.70
Coil B
0.70
Coil A
0.70
Coil B
1.00
DCR
Ω
max
Sec
Turns Ratio
±5%
Part Number
Leakage Inductance
µ
H max
S553-6500-36
1 CT : 1.4 CT
1 CT : 1.4 CT
1.2
0.6
0.6
30
0.35
0.35
0.45
0.45
S553-6500-39
1 CT : 2 CT
1 : 1.36 CT
1.2
0.6
06
30
0.35
0.70
0.70
0.40
S553-6500-41
1 CT : 1.15 CT
1 CT : 1.15 CT*
1.2
0.6
0.6
30
0.35
0.35
0.45
0.45
S553-6500-42
1 : 1.414 / 1: 1.75
1 : 1.414
2.0
0.8
0.8
50
1.0
1.0
1.2
1.2
S553-6500-45
1CT : 2.42CT
1CT : 2.42CT
1.2
0.6
0.6
40
0.70
0.70
1.0
1.0
* (-41) primary pins for Coil B are pins (6 - 8)
SCHEMATICS
S553-3855-02
S553-6500-36
S553-6500-41
S553-6500-39
Secondary
1
Coil A
2
3
6
Coil B
7
8
Primary
Primary
16
Primary
1
2
Secondary
16
15
14
11
10
9
Primary
©2004 Bel Fuse Inc.
Secondary
1
2
3
6
Primary
16
15
14
11
10
14
11
10
9
Secondary
3
6
7
8
Secondary
8
Primary
9
Secondary
Specifications subject to change without notice. 09.04
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-69