TITLE
OCTAL T1/E1 TRANSFORMER
AGENCY APPROVAL: NA
PN
37541
SH
REV
F
OF
12
2
DIMENSIONAL
OUTLINE
SPECIFICATIONS
EXTENDED TEMP RANGE (-40C TO +85C)
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-)
RECEIVE (OUT+ OUT-)
TRANSMIT(OUT+ TO OUT-)
6. DIELECTRICAL VOLTAGE WITHSTAND:
(IN+, IN-) TO (OUT+, OUT-)
1.130
1.115
1 : 2CT ±2%
1 : 1CT ±2%
.495
.480
.
SCHOTT
37541
DATE CODE &
COUNTRY OF ORIGIN
.640±.010
1.2 mH MIN. @ 0.01V. 100KHz . 25C
1.2 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
0.5uH MAX. @ 1MHz
REF. PWB LAYOUT
.015±.005
0.5uH MAX. @ 1MHz
.090
.050
.660
35pf MAX @ 1MHz
.090
.030
0.6 OHMS
0.6 ohms Max.
1.2 ohms Max.
COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES
SCHEMATIC
IN +
TX
IN -
2
1
1 : 2CT
40
39
38
1500VAC for 60 seconds
(1800 VAC for a second production test)
OUT +
IN +
TX
11
1 : 2CT
30
29
OUT +
7. RETURN LOSS:
(WINDING WITH TURNS RATIO 2 IS 100 OHM REF.)
(25 OHMS CONNECTED TO THE LOW TURNS SIDE O 2 RATIO TRANSFORMER)
( 100 OHMS CONNECTED TO BOTH SIDES OF 1 RATIO TRANSFORMER)
12dB MIN
51KHz TO 102KHz
18dB MIN
102KHz TO 2.048MHz
14dB
2.048MHz TO 3.072 MHz
8. CROSS TALK:
9. COMMON MODE REJECTION:
65dB OR BETTER
50dB OR BETTER
OUT -
IN +
IN -
12
28
OUT -
IN +
OUT +
3
RX
OUT -
IN +
TX
IN -
7
4
5
6
1CT : 1
37
OUT +
13
RX
14
1CT : 1
27
36
IN -
OUT +
OUT -
15
IN +
TX
16
26
IN -
OUT +
1 : 2CT
1 : 2CT
25
24
35
34
33
OUT -
IN +
IN -
17
23
OUT -
IN +
OUT +
8
RX
9
1CT : 1
32
OUT +
18
RX
19
20
1CT : 1
22
OUT -
10
31
IN -
OUT -
21
.XXX = ±.005
IN -
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
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