SCHOTT 31438

TITLE
TRANSFORMER,
HDSL, 3 mH
PART NUMBER
SCHOTT
1000 PARKERS LAKE ROAD
CORPORATION
WAYZATA, MN 55391
REV
B
PINS .024 SQ.
(0.06)
SPECIFICATIONS
TEMPERATURE CLASS 105° C
31438
PAGE
1 END
inches
(mm)
REF: PWB PATTERN
1. INDUCTANCE: @ 0.1Vrms, 10 KHz
(1-4-2-5) = 2.82 to 3.18 mH
.560 MAX
(14.22)
2. LEAKAGE INDUCTANCE: @ 0.1Vrms, 100 KHz
(1-4-2-5) with (9-7) shorted = 11 µH MAX
.560 MAX
(14.22)
3. IWC: @ 0.1Vrms, 100 KHz,
(1-4-2-5) to (9-7) = 110 pF MAX
.100
(2.54)
1
SCHOTT
31438
YYWW
10
6
.400 ±.010
(10.16)
5
NOTCH
4. TURNS RATO: (1-4) : (2-5) : (9-7) = 1 : 1 : 1 ± 2%
.500 MAX
(12.70)
5. DC RESISTANCE: OHMS
(1-4-2-5) = 2.5 MAX
(9-7) = 1.0 MAX
.120
± .010
6. DIELECTRIC STRENGTH: 1500 Vac
(1-4-2-5) to (9-7)
ALL WINDINGS TO CORE
.400 ±.010
(10.16)
.100 ±.010
(2.54)
.024 Sq.
(0.61)
7. LONGITUDINAL BALANCE: Rs = 135 OHM, Rl = 32 OHM
40-200 kHz = 53 dB MIN
9
8. RETURN LOSS: Rs = 135 OHM, Rl = 32 OHM,
40 - 200 kHz = 20 dB MIN
1
LINE
CHIP
7
9. HARMONIC DISTORTION: 14 dBm, 40 kHz = -70 dB MAX
Rs = 135 OHM, Rl = 32 OHM
6
10
6
SCHOTT
31438
YYWW
Designed and tested for use with
Brooktree BT8921 & 8970 @ 784 Kbps
5
4
2
10
SCHOTT
31438
YYYYDDDS
1
HAND LINE LABEL
5
5
1
AUTOMATION LINE LABEL
2 PLACE
TOLERANCES
UNLESSOTHERWISENOTED
+
-
.02
ANGLE
3 PLACE
+
-
.005
+
-
°