TITLE
OCTAL T1/E1 TRANSFORMER
AGENCY APPROVAL: NA
PN
37540
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:
TRANSMIT (IN+ TO IN-),(RECIEVE(IN+ TO IN-)
RECEIVE (OUT + TO OUT-)
TRANSMIT (OUT + TO OUT-)
6. DIELECTRICAL VOLTAGE WITHSTAND:
(IN+, IN-) TO (OUT+, OUT-)
.495
.480
1.130
1.115
1 : 1.36CT ±2%
1 : 2CT ±2%
.
SCHOTT
37540
DATE CODE &
COUNTRY OF ORIGIN
.640±.010
PIN 1
INDICATOR
.018±.002
.950±.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
.010±.002
.220±.010
0.5uH MAX. @ 1MHz
0.5uH MAX. @ 1MHz
.090
REF. PWB LAYOUT
.050
.015±.005
35pf MAX @ 1MHz
.090
.660
.030
0.6ohms Max.
1.2 ohms Max.
0.9 ohms Max
OUT +
1
1500VAC for 60 seconds
(1800 VAC for 1 second production test)
TX
OUT -
2
3
COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES
1.36CT : 1
SCHEMATIC
40
IN +
1.36CT : 1
30
OUT +
11
TX
12
13
IN +
39
IN -
OUT -
IN +
RX
IN -
29
IN -
OUT +
7. RETURN LOSS:
(WINDING WITH TURNS RATIO 2&1.36 IS 100 OHM REF.)
(25 OHMS CONNECTED TO THE LOW TURNS SIDE OF 2 RATIO TRANSFORMER)
(54 OHMS CONNECTED TO THE LOW TURNS SIDE OF 1.36 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:
65dB OR BETTER
1 : 2 CT
IN +
RX
IN -
5
4
38
OUT +
37
36
OUT -
14
1 : 2 CT
28
27
15
26
OUT -
IN +
1.36CT : 1
OUT +
6
TX
7
34
IN -
35
IN +
OUT +
16
TX
17
1.36CT : 1
25
50dB OR BETTER @ 1MHz
OUT -
8
IN +
RX
IN -
10
9
OUT -
18
IN +
RX
IN -
20
.XX = ± .01
.XX = ± 0.20
.XXX = ±.005
24
IN -
OUT +
1 : 2 CT
33
OUT +
32
31
OUT -
1 : 2 CT
19
23
22
21
OUT -
1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com
TOLERANCES UNLESS
OTHERWISE SPECIFIED
INCHES / DECIMAL
MILLIMETERS (mm)
ANGLES ± 1°
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