C1971
Product
Description
REV
C
ADSL CP Line Transformer
Meets requirements of IEC60950 for supplementary insulation, 250V working voltage
0.700 MAX
[17.78 MAX]
EIA date code and
lot code
A
Coplanar with surface A
+0.006"/-0.000"
Customer Terminal #1
Indicator
(Note: Dot marks CoEv
terminal #6)
15.40±0.15
.606±.006
0.480 MAX
[12.19 MAX]
(5)
9
(4)
3
8
(3)
(9)
0.70
.028
10
2
(8)
0.530 MAX
[13.46 MAX]
1
(7)
4
7
(2)
(10)
COEV
C1971
XXXXX
(6)
5
6
(1)
[Customer pin-out in ( )'s]
(9) 4
17±0.15
.669±.006
2.50
.098
Terminal Dimensions
Customer to determine PCB pad dimensions.
(8) 3
(7) 2
8 (3)
9 (4)
(6) 1
SEC
( IC SIDE )
7 (2)
10 (5)
Primary units are in inches.
PRI
( LINE SIDE )
Millimeters are in brackets.
Electrical Specifications at +20°C unless noted otherwise
Test Description
Inductance
Leakage Inductance
DC Resistance
DC Resistance
DC Resistance
DC Resistance
Turns Ratio
Dielectric
Interwinding Capacitance
Total Harmonic Distortion
Longitudinal Balance (ITU)
Limit
600
6.00
0.39
0.53
1.09
1.09
1 : 1.2
1875
85.0
-80.0
40.0
Units
µH
µH
Ω
Ω
Ω
Ω
--VAC
pF
dB
dB
Tol
± 5%
Max.
Max.
Max.
Max.
Max.
± 1%
500µA
Max.
Max.
Min.
Notes (Test terminals reference CoEv pin numbering)
7-10 tie( 8+9 ), 10kHz, 100mVAC, Ls.
7-10 tie( 8+9, 2+3, 1+4 ), 100kHz, 100mVAC, Ls.
7-8
9-10
2-1
4-3
( 7-10 ) : ( 4-1 ) tie( 8+9, 2+3 ), 10KHz, 100mVAC.
7-4 tie( 2+3, 8+9 ), 1 second test, 500µA maximum leakage current.
7-4 tie( 2+3, 8+9 ), 100kHz, 100mVAC, Cs.
30kHz, 2.5Vrms [ 7.07 Vp-p ], Line : IC.
20kHz - 600kHz.
Designed to reflect 100 ohms on the Line with 144 ohms on the IC side.
Meets Bellcore GR-1089-CORE 1st & 2nd Level AC Power Fault Tests (4.5.12 & 4.5.13) ( 1.0 A continuous for 30 minutes)
for applications with proper build-out protection circuitry (current and voltage limiting).
The information contained in this drawing is the sole property of CoEv, Inc. Any reproduction or use without the written permission of CoEv, Inc. is prohibited.
TEL 888-978-2638 - FAX 605-886-8995 - Specifications subject to change without notice. For latest revision visit www.coev.net