T3/DS3/E3/STS-1 TRANSFORMERS
Dual SMT, Extended Temperature Range
Dual SMT package contains both transmit and
receive transformers
Operating temperature of -40擄C to +85擄C
Models matched to leading transceiver ICs
Return loss meets requirements of G.703
1500 Vrms isolation per UL1459 and UL1950
Electrical Specifications @ 25擄C 鈥?Operating Temperature -40擄C to +85擄C
Part
Number
TX
T3020
TX3025
1:2CT
1CT:1CT
Turns
Ratio
(鹵2%)
RX
1:1
1:1
OCL Primary
@ 25擄C
(碌H MIN)
TX
40
100
RX
100
100
OCL Primary
@ -40擄C
(碌H MIN)
TX
19
40
RX
40
40
L
L
(碌H MAX)
TX
.120
.120
RX
.120
.120
C
W/W
(pF MAX)
TX
10
10
RX
10
10
1500
1500
BH/1
BH/2
BH/3
Isolation
Voltage
(Vrms MIN)
Package/
Schematic
Primary
Pins
TX
16-14
6-8
7-8
RX
6-8
16-15
16-15
TX3026
1:2CT
1:1
100
100
40
40
.120
.120
10
10
1500
NOTE:
Optional Tape & Reel packaging can be ordered by adding a 鈥淭鈥?suffix to the part number (ex: T3020T).
Mechanicals
BH
.505 MAX
12,83
.350
8,89
.050
1,27
Schematics
16
14 11
9
.375 MAX
9,53
T3020
(DATE CODE)
(COUNTRY OF ORIGIN)
.280MAX
7,11
.328
8,33
.075
1,91
1
2
3
1
16
6
8
15 11 10 9
.050
1,27
16X .029 鹵 .001
0,74 鹵 0,03
.350
8,89
SUGGESTED PAD LAYOUT
.245 MAX
6,22
16X .018 鹵 .002
0,46 鹵 0,05
.010
0,25
.004/0,10
16 SURFACES
0擄鈥?8擄
1
2
2
6
7
8
16
15 11 10 9
Weight
. . . . . . . . . . . . . .1.0 grams
Tape & Reel
. . . . . . . . . . . .600/reel
Tube
. . . . . . . . . . . . . . . . . .40/tube
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are 鹵 .010
0,25
1
2
3
7
8
PRELIMINARY T655.P (3/02)
路
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路
U.S: 858 674 8100
U.K: 44 1483 401 700
France: 33 3 84 35 04 04
Singapore: 65 287 8998
Taiwan: 886 2 2698 0228
http://www.pulseeng.com
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