RHOMBUS-IND T

ISDN S-Interface Applications Transformers - EP Style
Designed to meet pulse waveform template of CCITT I.430 when using proper chip pair.
Electrical Specifications 1,2,3 at 25OC
Part
Number
T-13700
T-13701
T-13702
T-13703
T-13704
T-13705
T-13706
T-13707 (1)
Turns
Ratio
(+5%)
OCL
min.
( mH )
1CT:2CT
1CT:1CT
1CT:2.5CT
1CT:1.8CT
1CT:2CT
1CT:1CT
1CT:1CT
2:1CT
30
30
30
30
30
30
22
22
PRI-SEC
CW/W max.
( pF )
Leakage
Ind. max.
( µH )
50
50
50
50
50
50
95
100
Secondary
Primary
DCR max. DCR max.
(Ω)
(Ω)
13
15
13
13
10
10
5
15
1.1
1.1
1.1
1.2
1.0
2.2
2.5
5.5
2.6
1.3
4.2
2.6
2.0
2.2
2.5
5.0
Style &
Schem.
Primary
Pins
EP13 - A
EP13 - A
EP13 - A
EP13 - A
EP13 - A
EP13 - A
EP10 - B
EP7 - C
1-5
1-5
1-5
1-5
1-5
1-5
1-3
1-3
1. Hi-pot (Pri. to Sec.) 2000 VRMS except T-13707. Isolation is 1000 VRMS
2. ET-Product of 10 V-µsec min.
3. OCL Measured at Primary @10KHz & 700mV
Schematic "A"
PRI
.375
(9.53)
MAX.
.465
(11.81)
MAX.
SEC
PIN POSITION GRID 0.098 (2.5)
CLIP SET TERMINATIONS
BOBBIN TERMINATIONS
.394
(10.00)
MAX.
.110
(2.79)
MIN.
.080
(2.03)
.098
.024
(2.49) (0.61)
6
5
2
PRI
Schematic "C"
PRI
SEC
3
.039
(0.99)
.480
(12.19)
MAX.
.450
(11.43)
MAX.
.550
(13.97)
MAX.
.536
(13.61)
MAX.
.525
(13.34)
MAX.
.460
(11.68)
MAX.
.210
(5.33)
TYP.
.210
(5.33)
TYP.
.100
(2.54)
TYP.
.300
(7.62)
TYP.
.100
(2.54)
TYP.
7
6
5
Bottom
View
1
2
3
.400
(10.16)
TYP.
Pin Diameter is 0.025 (0.64)
Pin Diameter is 0.025 (0.64)
10
8
SEC
EP7 Package Shown with Clips.
Available with or
without clips.
4
Bottom
View
1
Schematic "B"
4
EP10 Package Shown without Clips.
Available with or
without clips.
Specifications subject to change without notice.
Rhombus
Industries Inc.
9
8
7
6
Bottom
View
1
2
3
4
For other values & Custom Designs, contact factory.
16
5
EP13 Package Shown without Clips.
Available with or
without clips.
ISDN-EP - 2/98
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960 • Fax: (714) 896-0971