TITLE
TRANSFORMER,
HDSL E1, 160MA DC
SCHOTT
CORPORATION
1000 PARKERS LAKE ROAD
WAYZATA, MN 55391
AGENCY APPROVAL:
N/A
.780 MAX
(19.81)
8
1
SPECIFICATIONS
1. TEMP CLASS 105° C
2. INDUCTANCE: @ 0.1 V, 10 KHz
5-8 = 2 mHy ± 3 %
3. LEAKAGE INDUCTANCE: @ .1V, 100 KHz, 5-8
WITH 1-2-3-4 SHORTED = 20 µHy MAX
4. INTERWINDING CAPACITANCE: @ .1V, 100 KHz
5-8 TO 1-2-3-4 = 100 pF MAX
5. DC RESISTANCE: 5-8 = 2.1 OHMS ± 10 %
1-2, 3-4 = 1 OHMS ± 10 %
6. TURNS RATIO: 1-2 : 3-4 : 5-8 = 1 : 1 : 2 ± 2 %
7. RETURN LOSS 1-2-3-4 REF @ 135 OHM,
131 OHM + 0.001 mfd LOAD ON 5-8
@ 5 KHz = 2.5 dB MIN
@ 40 KHz = 16 dB MIN
@ 100-400 KHz = 22 dB MIN
@ 2 MHz = 4 dB MIN
8. LONGITUDINAL BALANCE: @ 135 OHM, 200 KHz,
1-2-3-4 = 53 dB MIN
9. HARMONIC DISTORTION: 135 OHM, 200 KHz, 160 ma, 5 Vp-p > -70 dB
(DO NOT NEED TO TEST IN PRODUCTION)
10. DIELECTRIC STRENGTH: 1-2-3-4 TO 5-8 = 2500 VAC
11. INSULATION RESISTANCE: @ 500 VDC
1-2-3-4 TO 5-8 = 1 K MEGOHM MIN,
.780 MAX
(19.81)
5
SCHOTT
14128
YYWW
4
.640 MAX
(16.26)
.150 MIN
(3.81)
.591 ± .010
(15.0)
.197
(5
inches
(mm)
© 2000 SCHOTT CORPORATION, 1000 PARKERS LAKE ROAD, WAYZATA MN, 55391 (952) 475-1173
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