TITLE
OCTAL T1/E1 TRANSFORMER
AGENCY APPROVAL: NA
PN
37543
SH
REV
F
OF
12
2
DIMENSIONAL
OUTLINE
SPECIFICATIONS
EXTENDED TEMP RANGE (-40C TO +85C)
1. TURNS RATIO:
RECEIVE (IN+ TO IN-) : (OUT+ TO OUT-)
TRANSMIT(1-2):(39-40):(38-40):(6-7)
(34-35):(33-35):(11-12):(29-30)
(28-30):(16-17):(24-25):(23-25)
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-) RECEIVE (IN+ TO IN-)
TRANSMIT( OUT + TO OUT -)
RECEIVE( OUT + TO OUT -)
6. DIELECTRICAL VOLTAGE WITHSTAND:
(IN+, IN-) TO (OUT+:OUT-)
1.130
1.115
1 : 2CT ±2%
1 : 1:1.26CT ±2%
.495
.480
.
SCHOTT
37543
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
.660
35pf MAX @ 1MHz
.090
.030
0.6 ohms Max.
0.8 ohms Max.
1.2 ohms Max
IN +
1500VAC for 60 seconds
(1800VAC for 1 second production test)
TX
IN -
2
1
COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES
SCHEMATIC
1 : 1/1.26CT
40
39
38
OUT +
IN +
TX
11
1 : 1/1.26CT
30
29
OUT +
OUT -
IN +
IN -
12
28
OUT -
IN +
7. RETURN LOSS:
WINDING WITH A TURNS RATIO1,1.26 AND 2 IS 100 OHM REF.)
(25 OHMS CONNECTED TO TH E LOW TURNS SIDE OF 2 RATIO TRANSFORMER)
(100 OHMS CONNECTED TO TH E LOW TURNS SIDE OF 1 RATIO TRANSFORMER)
(63 OHMS CONNECTED TO TH E LOW TURNS SIDE OF 1.26 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
50dB OR BETTER @1MHz
OUT +
3
RX
4
2CT : 1
37
OUT +
13
RX
14
2CT : 1
27
OUT -
5
IN +
TX
IN -
7
36
IN -
OUT +
OUT -
15
IN +
TX
16
26
IN -
OUT +
1 : 1/1.26CT
6
35
34
33
1 : 1/1.26CT
25
24
OUT -
IN +
IN -
17
23
OUT -
IN +
OUT +
8
RX
9
2CT : 1
32
OUT +
18
RX
19
2CT : 1
22
OUT -
10
31
IN -
OUT -
20
.XX = ± .01
.XX = ± 0.20
21
IN -
ANGLES ± 1°
1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com
TOLERANCES UNLESS
OTHERWISE SPECIFIED
INCHES / DECIMAL
MILLIMETERS (mm)
.XXX = ±.005
SCHOTT [ SCHOTT CORPORATION ]
