Telecommunication
HDSL Transfor mer
Transformers
DT31-20XXXX
DELTAXXXX
XXXX : DATE CODE
WHITE DOT ON PIN1
DT31-2028AT
A
B
10 9
8
7
6
6
0.5
5
F
10
9
D
8
7
6
2
TINNED CP WIRE
N1
10
N3
8
N4
6
(1)
SEC
E C
1
2
3
4
5
PRI
4
1
N2
5
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
ELECTRICAL CHARACTERISTICS
TURNS RATIO (PRI : SEC)
INDUCTANCE
LEAKAGE INDUCTANCE
INTERWINDING CAPACITANCE
D.C. RESISTANCE
1.323 : 1
3% @10KHz, 0.1V
PRI: 3.24 mH 5% @10 KHz, 0.1V, Idc=160mA
PRI: 40 uH Max. @100KHz, 0.1V
50 pF Typ @10KHz, 0.1V
N1: 1.81
N2: 1.81
N3: 1.11
N4: 1.63
HI-POT
C
I.L
L.B
FR
R.L
T.H.D.
SCHEMATIC
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
31-1, SHIEN PAN ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.
10%
10%
10%
10%
1500 VAC 1 SEC
50pF Typ. @100KHz, 0.1V
----------------
42dB Min. @2KHz~200KHz
----------------
----------------
----------------
1
TEL: 886-3-3626301 FAX: 886-3-3618901
http://www.deltaww.com
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