For other values & Custom Designs, contact factory.
Specifications subject to change without notice.
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
Fax: (714) 896-0971
Rhombus
Industries Inc.
T1-97 - 4/99
2
For T1/CEPT Telecom Applications
Designed to meet CCITT & FCC Requirements
1500 VRMS Minimum Isolation
R
UL 1459 Recognized
Single T1/CEPT
Transformers
B
C
D
H
G
F
E
Electrical Specifications
1,2
at 25
O
C
Primary
Pins
T-10200 T-10300 1:1:1 1.2 25 0.5 0.7 0.7 A
T-10201 T-10301 1:1:1 2.0 40 0.5 0.7 0.7 A
T-10202 T-10302 1CT:3CT 1.2 30 0.5 0.7 1.6 C 1-5
T-10203 T-10303 1:1 1.2 25 0.5 0.7 0.7 B
T-10204 T-10304 1:1CT 0.06 23 .75 0.6 0.6 E 2-6
T-10205 T-10305 1CT:1 1.2 25 0.8 0.7 0.7 E 1-5
T-10206 T-10306 1:1.26CT 0.06 23 0.75 0.6 0.6 E 2-6
T-10210 T-10310 1CT:2CT 1.2 30 0.55 0.7 1.1 C 1-5
T-10211 T-10311 2CT:1CT 2.0 30 1.5 0.7 0.4 C 1-5
T-10212 T-10312 2.53CT:1 2.0 20 1.5 1.0 0.5 E 1-5
T-10213 T-10313 1:1.36 1.2 35 0.8 0.7 0.7 B 5-6
T-10214 T-10314 1:1:1 1.2 40 0.7 0.9 0.9 A
T-10215 T-10315 1:2CT 1.2 40 0.5 0.7 1.1 E 2-6
T-10216 T-10316 1:2CT 2.0 40 0.5 0.7 1.4 E 2-6
T-10217 T-10317 1:4CT 0.5 40 1.0 0.5 1.5 D 1-5
T-10218 T-10318 1:1.14CT 1.2 35 0.8 0.7 0.8 D 1-5
T-10219 T-10319 1:0.575:0.575 1.5 25 0.8 0.7 0.5 A 5-6
T-10220 T-10320 1:1 / 1.26
(3)
1.5 35 0.4 0.7 0.9 E 2-6
(3)
T-10221 T-10321 1:0.5:0.5 1. 5 25 1.2 0.7 0.5 A 5- 6
T-10222 T-10322 1:0.633:0.633 1.5 20 1.1 0.7 0.5 A 5- 6
T-10223 T-10323 1:2. 3CT 1.2 35 0.8 0.7 1.15 D 1-5
T-10224 T-10324 1:1. 36CT 1. 2 35 0.8 0.7 0.9 D 1-5
T-10225 T-10325 1CT:1CT 1.2 25 0.8 0.8 0.8 C
T-10226 T-10326 1:1. 15CT 1. 5 35 0.6 0.7 0.9 E 2-6
T-10227 T-10327 1CT:2CT 1.2 50 1. 1 0.9 1.6 C 2-6
T-10228 T-10328 1:1 1.2 25 0.5 0.7 0.7 F
T-10229 T-10329 1.37:1 1.2 35 0.8 0.8 0.7 F 1- 5
T-10230 T-10330 1CT :1 1. 2 35 0. 5 0.8 0.8 H 1-5
T-10231 T-10331 1:1.36 1.2 35 0.8 0.8 0.8 F 1- 5
T-10232 T-10332 1CT:2CT 1.2 35 0. 8 0.8 1.8 G 1-5
T-10233 T-10333 1:1. 15CT 1. 2 35 0. 5 0.8 0.8 H 2-6
T-10234 T-10334 1:1:1.266 1.2 35 0.8 0.8 0.8 A 1- 2
Schem.
Style
Sec. DCR
max.
(
)
Pri. DCR
max.
(
)
Leakage
L
L
max.
(
µ
H )
PRI-SEC
C
W/W
max.
( pF )
OCL
min.
( mH )
Turns
Ratio
(
+
5 % )
SMD
Part
Num ber
Thru-hole
Part
Num ber
1. ET-Product of 10 V-
µ
sec min.
2. OCL Measured across Primary @ 100 kHz & 20mV
3. T-10220: Sec. = Pins 3-5 for 75
Ω,
Sec. = Pins 1-5 for 120
Ω.
.350
(8. 89)
MAX.
.2 50
MAX.
(6.35)
.0 80
(2.03)
.020 DIA.
(0.51)
TYP.
.120
(3.05)
MIN.
.1 00
(2.54)
TYP.
.500
(12.70)
MAX.
.340
(8.64)
.400
(10.16)
MAX.
.260
(6.60)
MAX.
.300
(7.62)
MAX.
.410
.020
(0.51)
.100
(2.54)
TYP.
.010
(0.25)
.510 (12.95)
.480 (12.19)
MAX.
.410
(10.41)
.040
(1.02)
TYP.
TYP.
(10.41)
TYP.
SMD
Package for
T-103XX
Thru-hole
Package for
T-102XX
Physical
Dimensions
inches (mm)
For other values & Custom Designs, contact factory.
Specifications subject to change without notice.
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
Fax: (714) 896-0971
Rhombus
Industries Inc.
T1-97 - 7/97
3
Dual - C
Dual - D
Dual - E
Dual - A
Dual - B
R
UL 1459 Recognized
Dual T1/CEPT Transformers
For T1/CEPT Telecom Applications
Designed to meet CCITT
and FCC Requirements
1500 VRMS Minimum Isolation
Electrical Specifications
1,2
at 25
O
C
T-10148 T-11048 1:2CT & 1:2CT 1.2 30 .5 .7 1 Dual-A 14-12, 5-7
T-10149 T-11049 1:2CT & 1:1.36 1.2 35 .5 & .8 .8 1.8 Dual-B 14-12, 5-7
T- 10 150 T- 11 050 1:2C T & 2CT:1 2 .0 4 5 .6 & .6 .7 & 1 1 & .7 Du al -C 14-12, 5-7
T- 1015 1 T-11 051 1C T:2CT & 1:1 1. 2 30 .55 & .5 .7 & .7 1.1 & .7 Dua l-D 1-3, 10-8
T- 10 152 T- 11 052 1.58:2CT & 1.58:1 0. 8 30 .5 .5 & .5 .5 & .3 Du al -E 1-3, 5-7
T- 10 153 T- 11 053 2:2CT & 2:1 0. 8 3 0 . 6 .5 & .5 .5 & .2 D ua l- E 1-3, 5-7
T- 10 154 T- 11 054 2.62:2CT & 2.62:1 1. 2 30 .8 .6 & .6 .5 & .3 Du al -E 1-3, 5-7
T- 10 155 T- 11 055 1CT:1 & 1:1 1. 2 3 0 .5 & .8 .7 & .7 .7 & .7 Du al -E 5-7, 14-12
T- 10 156 T- 11 056 1:1C T & 2.53C T:1 .06 & 2.0 23 & 25 .75 & 1.5 .6 & .7 .6 & 1 Du al -C 10-8, 1-3
T- 1015 7 T-11 057 1:1C T & 2CT:1 .06 & 3.2 25 & 30 .75 & .8 .6 & .7 .6 & .7 D ual -C 10-8, 1-3
Sec. DCR
max.
(
)
Pri. DCR
max.
(
)
PRI-SEC
C
W/W
max.
( pF )
OCL
min.
( mH )
Turns
Ratio
(
+
5 % )
Thru-hole
Part
Num ber
SMD
Part
Num ber
Leakage
L
L
max.
(
µ
H )
Schem.
Style
Primary
Pins
1. ET-Product of 10 V-
µ
sec min.
2. OCL Measured across Primary @ 100 kHz & 20mV
For Complete Details including
PDF Catalogs & Data Sheets on this
and other product families visit
www.rhombus-ind.com
Thru-hole Package
for T-101X X
SMD Package
for T-110X X
Physi cal
Dimensions
inches (mm)