T1/CEPT Transformers
Reinforced Insulation
A
B
C
D
*** PRELIMINARY ***
For T1/CEPT Telecom Applications
Designed to meet CCITT and FCC Requirements
Reinforced Insulation per EN 41003/EN 60950
3000 V
RMS
minimum Isolation.
Electrical Specifications
Thru-hole
Part
Number
1,2
E
F
G
H
at 25
O
C
Turns
Ratio
(
+
5%)
OCL
min.
( mH )
PRI-SEC
C
W/W
max.
( pF )
Leakage
L
L
max.
(
µH
)
Pri. DCR
max.
(Ω )
Sec. DCR
max.
(Ω )
Schem.
Style
Primary
Pins
SMD
Part
Number
T-16700
T-16701
T-16702
T-16703
T-16704
T-16705
T-16706
T-16710
T-16711
T-16712
T-16713
T-16714
T-16715
T-16716
T-16717
T-16718
T-16719
T-16720
T-16721
T-16722
T-16723
T-16724
T-16725
T-16726
T-16727
T-16728
T-16729
T-16730
T-16731
T-16732
T-16733
T-16734
T-16600
T-16601
T-16602
T-16603
T-16604
T-16605
T-16606
T-16610
T-16611
T-16612
T-16613
T-16614
T-16615
T-16616
T-16617
T-16618
T-16619
T-16620
T-16621
T-16622
T-16623
T-16624
T-16625
T-16626
T-16627
T-16628
T-16629
T-16630
T-16631
T-16632
T-16633
T-16634
1:1:1
1:1:1
1CT:3CT
1:1
1:1CT
1CT:1
1:1.26CT
1CT:2CT
2CT:1CT
2.53CT:1
1:1.36
1:1:1
1:2CT
1:2CT
1:4CT
1:1.14CT
1:0.575:0.575
1:1 / 1.26
(3)
1:0.5:0.5
1:0.633:0.633
1:2.3CT
1:1.36CT
1CT:1CT
1:1.15CT
1CT:2CT
1:1
1.37:1
1CT:1
1:1.36
1CT:2CT
1:1.15CT
1:1:1.266
1.2
2.0
1.2
1.2
0.06
1.2
0.06
1.2
2.0
2.0
1.2
1.2
1.2
2.0
0.5
1.2
1.5
1.5
1.5
1.5
1.2
1.2
1.2
1.5
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
25
40
30
25
23
25
23
30
30
20
35
40
40
40
40
35
25
35
25
20
35
35
25
35
50
25
35
35
35
35
35
35
0.5
0.5
0.5
0.5
.75
0.8
0.75
0.55
1.5
1.5
0.8
0.7
0.5
0.5
1.0
0.8
0.8
0.4
1.2
1.1
0.8
0.8
0.8
0.6
1.1
0.5
0.8
0.5
0.8
0.8
0.5
0.8
0.7
0.7
0.7
0.7
0.6
0.7
0.6
0.7
0.7
1.0
0.7
0.9
0.7
0.7
0.5
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.7
0.9
0.7
0.8
0.8
0.8
0.8
0.8
0.8
.350
(8.89)
MAX.
0.7
0.7
1.6
0.7
0.6
0.7
0.6
1.1
0.4
0.5
0.7
0.9
1.1
1.4
1.5
0.8
0.5
0.9
0.5
0.5
1.15
0.9
0.8
0.9
1.6
0.7
0.7
0.8
0.8
1.8
0.8
0.8
A
A
C
B
E
E
E
C
C
E
B
A
E
E
D
D
A
E
A
A
D
D
C
E
C
F
F
H
F
G
H
A
.500
(12.70)
MAX.
1-5
2-6
1-5
2-6
1-5
1-5
1-5
5-6
2-6
2-6
1-5
1-5
5-6
2-6
(3)
5-6
5-6
1-5
1-5
2-6
2-6
1-5
1-5
1-5
1-5
2-6
1-2
1. ET-Product of 10 V-µsec min.
2. OCL Measured across Primary @ 100 kHz & 20mV
3. T-16720: Sec. = Pins 3-5 for 75Ω, Sec. = Pins 1-5 for 120Ω.
.410
(10.41)
MAX.
.260
(6.60)
.410
(10.41)
MAX.
Physical Dimensions
inches (mm)
.250
(6.35)
MAX.
MAX.
.300
(7.62)
MAX.
SMD
Package for
T-166XX
.040
(1.02)
TYP.
Thru-hole
Package for
T-167XX
.340
(8.64)
.400
(10.16)
.080
(2.03)
.120
(3.05)
MIN.
.020
(0.51)
TYP.
.100
(2.54)
TYP.
.010
(0.25)
TYP.
.510 (12.95)
.480 (12.19)
.100
(2.54)
TYP.
.020 DIA.
(0.51)
TYP.
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
T63K
Rhombus
Industries Inc.
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971