Telecommunication
HDSL Transfor mer
Transformers
XXXX : DATE CODE
WHITE DOT ON PIN1
1
N1
PRI
4
2
N2
5
(1)
1
N3
8 SEC
N4
7
9
DT31-2025AT
DT31-2026AT
DT31-2031AT
DT31-2032AT
DT31-20XXXX
DELTAXXXX
A
B
10 9
8
7
6
6
0.5
5
PRI
4
2
N1
N3
N2
5
9
SEC
7
F
10
9
D
8
7
6
TINNED CP WIRE
(2)
1
E C
1
2
3
4
5
N1
PRI
5
2
N2
4
(4)
N3
10
10
SEC
6
PRI
7
9
N1
N3
N2
6
(3)
2
SEC
4
DIMENSIONS IN mm
A
12.7 MAX.
B
2.79 MIN.
C
14.0 MAX.
D
14.0 MAX.
E
10.16 0.3
F
2.54 0.3
G
ELECTRICAL CHARACTERISTICS
DT31-2025AT
DT31-2026AT
DT31-2031AT
DT31-2032AT
T.R
L
L.K
D.C.R
(PRI:SEC): 2:1 1%
@10KHz 0.1V
PRI: 2.0mH 6%
@10KHz 0.1V
PRI: 11uH Max.
@100KHz 0.1V
N1: 1.10
N2: 1.10
N3: 0.785
10%
10%
10%
(PRI:SEC): 1:1 1%
@10KHz 0.1V
PRI: 2.5mH 5%
@10KHz 0.1V, Idc=70mA
PRI: 20uH Max.
@100KHz 0.1V
N1: 1.68
N2: 1.68
SEC: 1.07
10%
10%
10%
(PRI:SEC): 2:1 1%
@10KHz 0.1V
PRI: 4.4mH 10%
PRI: 11uH Max.
@100KHz 0.1V
PRI: 2.6
SEC: 1.0
Max.
Max.
(PRI:SEC): 2:1 1%
@10KHz 0.1V
PRI: 5.8mH 10%
PRI: 20uH Max.
@100KHz 0.1V
PRI: 2.6
SEC: 1.0
Max.
Max.
@10KHz 0.1V, Idc=100mA @10KHz 0.1V, Idc=60mA
HI-POT
C
I.L
L.B
FR
R.L
T.H.D
SCHEMATIC
1500 VAC 1 SEC
----------------
1875 VAC 1 SEC
----------------
1500 VAC 1 SEC
----------------
1500 VAC 1 SEC
----------------
0.5 dB Max. @300KHz
50dB Min.
@300Hz~300KHz
1.0 dB
@40KHz~300KHz
16.5 dB Min.
@40KHz~300KHz
-70 dB Max.
@40KHz 14dBm
3
0.4 dB Max. @40KHz
53dB Min.
@33KHz~300KHz
0.1 dB
@33KHz~300KHz
17 dB Min.
@33KHz~300KHz
-70 dB Max.
@20KHz 4.5Vp-p
2
0.5 dB Max. @18KHz
53dB Min.
@500Hz~132KHz
0.15 dB
@18KHz~132KHz
16 dB Min.
@18KHz~132KHz
-70 dB Max.
@10KHz 14dBm
2
0.5 dB Max. @13KHz
53dB Min.
@500Hz~100KHz
0.15 dB
@13KHz~100KHz
----------------
-70 dB Max.
@13KHz 14dBm
2
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
31-1, SHIEN PAN ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
TEL: 886-3-3626301 FAX: 886-3-3618901
http://www.deltaww.com
13
1
