TITLE
OCTAL T1/E1 TRANSFORMER
AGENCY APPROVAL: NA
PN
37539
SH
REV
F
OF
12
2
DIMENSIONAL
OUTLINE
ELECTRICAL SPECIFICATIONS:
Extended Temperature Range
1. TURNS RATIO:
TRANSMIT (IN+ TO IN-) : (OUT+ TO OUT-)
RECEIVE (IN+ TO IN-) : (OUT+ TO OUT-)
2. INDUCTANCE:
TRANSMIT (IN+ TO IN-)
RECEIVE (IN+ TO IN-)
TRANSMIT (IN+ TO IN-)
RECEIVE (IN+ TO IN-)
3. LEAKAGE INDUCTANCE:
TRANSMIT IN+ TO IN-
(WITH OUT+ AND OUT- SHORT)
RECEIVE IN+ TO IN-
(WITH OUT+ AND OUT- SHORT)
4. INTERWINDING CAPACITIANCE:
(IN+, IN-) TO (OUT+, OUT-)
5. D.C. RESISTANCE:
(IN+ TO IN-)
(OUT+ TO OUT-)
6. DIELECTRICAL VOLTAGE WITHSTAND:
(IN+, IN-) TO (OUT+, OUT-)
1.130
1.115
1 : 2 ±2%
1 : 2CT ±2%
.495
.480
.
SCHOTT
37539
DATE CODE &
COUNTRY OF ORIGIN
.640±.010
1.5 mH MIN. @ 0.01V. 100KHz . 25C
1.5 mH MIN. @ 0.01V. 100KHz . 25C
600 uH MIN. @ 0.01V. 100KHz . -40C TO +85C
600 uH MIN. @ 0.01V. 100KHz .- 40C TO +85C
PIN 1
INDICATOR
.018±.002
.950±.010
.010±.002
.220±.010
0.6uH MAX. @ 1MHz
0.6uH MAX. @ 1MHz
.090
REF. PWB LAYOUT
.050
.015±.005
35pf MAX @ 1MHz
.090
.660
1.0 ohms Max.
1.5 ohms Max.
.030
COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES
1500 VAC for 60 seconds
(1800VAC for 1 second production test)
SCHEMATIC
IN +
TX
IN -
2
39
1
1:2
40
OUT +
IN +
TX
1:2
11
30
OUT +
7. RETURN LOSS:
(WINDING WITH TURNS RATIO 2 IS 100 OHM REF.)
(25 OHMS CONNECTED TO THE LOW TURNS SIDE OF 2 RATIO TRANSFORMER)
12dB MIN
51KHz TO 102KHz
18dB MIN
102KHz TO 2.048MHz
14dB MIN
2.048MHz TO 3.072 MHz
8. CROSS TALK:
9. COMMON MODE REJECTION RATIO:
65dB MIN
50dB MIN @ 1 MHz
OUT -
IN +
IN -
12
29
OUT -
IN +
OUT +
3
RX
OUT -
4
5
2CT : 1
38
OUT +
13
RX
14
2CT : 1
28
36
IN -
IN +
OUT -
15
OUT +
16
RX
17
26
IN -
IN +
OUT +
6
RX
OUT -
IN +
TX
IN -
10
7
8
2CT : 1
35
2CT : 1
25
33
IN -
OUT +
OUT -
18
IN +
TX
1:2
19
23
22
IN -
OUT +
1:2
9
32
31
OUT -
IN -
20
21
OUT -
ANGLES ± 1°
1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com
TOLERANCES UNLESS
OTHERWISE SPECIFIED
INCHES / DECIMAL
MILLIMETERS (mm)
.XX = ± .01
.XX = ± 0.20
.XXX = ±.005
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