TITLE
TRANSFORMER, ADSL, CO
AGENCY APPROVAL: UL #145198
PN
37816
SH
REV
A
OF
8
2
.510 MAX
(12.95)
REF: PWB PATTERN
.080
(2.03)
5
SPECIFICATIONS:
TEMP CLASS 105°C
Designed to meet UL1950/IEC-950 requirements
Working Voltage 250 VRMS, Supplementary Insulation
1. INDUCTANCE: @ 0.1 VRMS, 10 kHz
1-4 tie 2&3 = 427.5 TO 522.5 uH (474uH +/-10%)
2. LEAKAGE INDUCTANCE: @ 0.1 VRMS, 100 kHz
1-4 tie 2&3 (short 8,6,7,5) = 15 µH MAX
3. TURNS RATIO: 1-4 : 8-5 TIE 2&3, 6&7 = 1.41 : 1 +/- 2%
4. DC RESISTANCE: OHMS
1-3-2-4 = 1.70 MAX
8-6-7-5 = 1.40 MAX
5. DIELECTRIC STRENGTH: 1875 VAC, 1 SECOND
1 TO 8, TIE (3-2,&6-7)
ALL WINDINGS TO CORE
6. HARMONIC DISTORTION: 100 OHMS REF
INPUT, 8-5 = 50 OHM LOAD, V1 = 15Vp-p(5.32VRMS)
@ 100kHZ V2 = -85dB MAX
@ 30kHZ V2 = -64dB MAX
7. INSERTION LOSS = 0.5 dB MAX @ 1 MHZ
CHIP=8-5, Rs =100 OHMS, R1 = 50 OHMS
8. LONGITUDINAL BALANCE
V1= 0 dBm @ 20 kHz & 250 kHz,
Rs=100OHMS, INPUT, R1=50 OHM LOAD,
@ 20khz V2 = 60 dB MIN
@ 250khz V2 = 55 dB MIN
9. IWC: @ 0.1VRMS, 100kHZ
1-4 TO 8-5 = 30 pF MAX
4
SCHOTT
37816
YYWW
.420 MAX
(10.67)
1
8
.079
(2.00)
.035
(0.89)
.530 ±.010
(13.86)
.380 MAX
(9.65)
.417 ±.006
(10.6)
NOTE:
COPLANARITY < .004 (0.10)
.079
(2.00)
.028
(0.71)
1
3
8
LINE
2
4
6
7
CHIP
5
1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com
TOLERANCES UNLESS
OTHERWISE SPECIFIED
INCHES / DECIMAL
MILLIMETERS (mm)
.XX = ± .01
.XX = ± 0.20
.XXX = ±.005
ANGLES ± 1°
SCHOTT [ SCHOTT CORPORATION ]
