37538 Datasheet, PDF (1/1 Pages) SCHOTT CORPORATION – OCTAL T1/E1 TRANSFORMER

TITLE
OCTAL T1/E1 TRANSFORMER
AGENCY APPROVAL: NA
PN ₃₇₅₃₈ REV _F
SH
2 OF ¹²
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)
1 : 2 CT ±2%
1 : 2 CT ±2%
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
0.5 uH MAX. @ 1MHz
0.5 uH MAX. @ 1MHz
DIMENSIONAL OUTLINE
1.130
1.115
.495
.480
SCHOTT
.
37538
DATE CODE &
COUNTRY OF ORIGIN
PIN 1
INDICATOR
.010±.002
.018±.002
.950±.010
.640±.010
.220±.010
.090
REF. PWB LAYOUT
.050
.015±.005
4. INTERWINDING CAPACITIANCE:
(IN+, IN-) TO (OUT+, OUT-)
5. D.C. RESISTANCE:
(IN+ TO IN-)
(OUT+ TO OUT-)
35pf MAX @ 1MHz
.5 ohms Max.
1.0 ohms Max.
6. DIELECTRICAL VOLTAGE WITHSTAND:
(IN+, IN-) TO (OUT+, OUT-)
1500VAC for 60 seconds
(1800 VAC for 1 second production test)
7. RETURN LOSS: (WINDING WITH TURNS RATIO 2 IS 100 OHM REF.)
(25 OHMS connected to the low turns side of 2 ratio transformer)
51KHz TO 102KHz
102KHz TO 2.048MHz
2.048MHz TO 3.072 MHz
12dB MIN
18dB MIN
14dB MIN
8. CROSS TALK:
65dB OR BETTER
9. COMMON MODE REJECTION:
50dB OR BETTER @ 1 MHz
.660
.090
.030
COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES
OUT + 1
RX
2
OUT - 3
IN + 4
TX
IN -
5
OUT + ₆
RX
7
OUT - ₈
IN + ₉
TX
IN - ₁₀
2 CT : 1
1 : 2 CT
2 CT : 1
1 : 2 CT
SCHEMATIC
40 IN +
OUT + 11
RX
12
39 IN -
OUT - 13
38 OUT +
37
36 OUT -
IN + 14
TX
IN -
15
35 IN +
34 IN -
33 OUT +
32
31 OUT -
OUT + ₁₆
RX
17
OUT - ₁₈
IN +
19
TX
IN -
20
2 CT : 1
1 : 2 CT
2 CT : 1
1 : 2 CT
30 IN +
29 IN -
28 OUT +
27
26 OUT -
25 IN +
24 IN -
23 OUT +
22
21 OUT -
1000 Parkers Lake Road, Wayzata, MN 55391, [phone], www.schottcorp.com
TOLERANCES UNLESS
OTHERWISE SPECIFIED
INCHES / DECIMAL
MILLIMETERS (mm)
.XX = ± .01
.XX = ± 0.20
.XXX = ±.005 ANGLES ± 1°