31250 Datasheet, PDF (1/1 Pages) SCHOTT CORPORATION – TRANSFORMER, ADSL CENTRAL OFFICE

TITLE
TRANSFORMER, ADSL
CENTRAL OFFICE
SCHOTT 1000PARKERSLAKEROAD
CORPORATION WAYZATA, MN 55391
SPECIFICATIONS
TEMP CLASS 130°C
1. INDUCTANCE: @ 0.1 Vrms, 10 KHz,
1-3-2-4 = 853.2 TO 1042.8 µH
2. LEAKAGE INDUCTANCE: @ 0.1 Vrms, 100 KHz
1-3-2-4 W/ 10-8-9-7 SHORTED = 20 µH MAX
1.050 MAX
(26.67)
3. IWC: 1-3-2-4 TO 10-8-9-7 @ 100 KHz = 25 pF MAX
4. TURNS RATIO: 1-3 : 2-4 : 10-8 : 9-7 = 1.40 : 1.40 : 1 : 1 ± 2%
5. DC RESISTANCE: OHMS MAX
1-3, 2-4 = 1.00
10-8, 9-7 = 0.80
6. LONGITUDINAL BALANCE:
@ 100 KHz, 100 OHMS, = - 60 dB MIN
.500 MAX
(12.70)
7. DIELECTRIC STRENGTH: 1500 Vac, 1 minute
(1800 Vac, 1 second Schott Production test)
1-2-3-4 TO 7-8-9-10
ALL WINDINGS TO CORE
.110 MIN
(2.80)
8. HARMONIC DISTORTION:
@ 100 KHz, 15 V p-p, 100 OHMS = -80 dB MIN
.940 MAX
(23.87)
10
7
1
4
PART NUMBER
31250
REV ₂
PAGE _{1 END}
inches
(mm)
LABEL
PINS:
.028 X .045 MAX
(0.70 X 1.10)
PINS 5 & 6
REMOVED
.150
.80
(3.81)
(20.32)
1
3
CHIP
2
4
10
8
9
LINE
7
TOLERANCES
UNLESS OTHERWISE NOTED
2 PLACE
+ _.02
-
3 PLACE
+ _.005
-
ANGLE
+_°
-