ISDN U-INTERFACE
TRANSFORMERS
For Applications with 2B1Q and 4B3T Coding
Matched to leading transceiver ICs
Parts meet ANSI T1.601-1992 and ETSI ETR 080
Transformer models with 2000 Vrms to 3000 Vrms
minimum isolation
Recognized to UL1459 and UL1950
BABT certified to EN60950
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
Isolation
Voltage
(Vrms MIN)
Turns Ratio
Line:Chip
(±3%)
OCL
Line side
(mH)
DCR
Line Side
(Ω)
DCR
Chip Side
(Ω)
Line Side
Pins
Package/
Schematic
IDC
(mA)
Part Number
Lead Length
PE-65575*
PE-65578
PE-65579
PE-65581
PE-65583
PE-65584
PE-68628*
PE-68631
PE-68681
PE-68668*
PE-68669*
1.65:1
1.32:1
2.00:1
1.50:1
1.50:1
1.50:1
1.25:1
1.50:1
1.50:1
1.25:1
1.65:1
(1-4)
(1-4)
(1-5)
(4-2)
(4-2)
(1-5)
(1-5)
(4-2)
(1-5)
(1-5)
(1-4)
13.0-18.0
7.0-8.3
5.2 ±15%
2.4 MAX
3.0 ±15%
2.7 MAX
6.4 MAX
2.5 MAX
3.0 MAX
3.0 MAX
7.0 MAX
3.0 MAX
3.0 MAX
7.5 MAX
3.0 ±15%
50
55
60
60
60
60
80
60
60
80
50
0.15 ± 0.03 (3,81 ± 0,76)
0.15 ± 0.03 (3,81 ± 0,76)
0.17 ± 0.04 (4,32 ± 1,02)
0.17 ± 0.04 (4,32 ± 1,02)
0.16 ± 0.03 (4,06 ± 0,76)
0.17 ± 0.04 (4,32 ± 1,02)
0.16 ± 0.03 (4,06 ± 0,76)
0.13 ± 0.03 (3,30 ± 0,76)
0.13 ± 0.03 (3,30 ± 0,76)
0.13 ± 0.03 (3,30 ± 0,76)
0.13 ± 0.03 (3,30 ± 0,76)
IU-3/W 4
IU-3/X
2000
25.5-28.5
14.2-15.8
25.6-29.0
25.6-29.0
26.5-29.5
25.6-29.0
25.6-28.4
26.5-29.5
13.0-18.0
11.6 MAX
16.0 MAX
20.0 MAX
20.0 MAX
12.0 MAX
20.0 MAX
20.0 MAX
13.0 MAX
5.2 ±15%
IU-5/Y
Vrms
IU-5/Z
IU-5/Z 2
IU-5/Y 2
IU-5/Y 2
IU-7/Z 2
IU-7/Y 2
IU-7/Y 2
IU-3/W
2500
Vrms
3000 Vrms
NOTE: For surface mount versions of these parts, please see data sheet T614. New small surface mount package available. Contact Pulse Application Engineering at
(619) 674-8100 for more information. *Operating temperature range: -40°C to 85°C.
Mechanicals
MAX
Schematics
.750
19,05
.600
15,24
9
5
6
7
8
7
PE-XXXXX
1.11
Lead
Length
MAX
IU-3
IU-5
IU-7
28,19
DATE CODE
.430
10,92
MAX
W:
Y:
Pin 1
.850
21,6
.150
3,81
Leads are .010 X .020 solderable
(0,25 X 0,51)
TYP
.950
24,13
MAX
2
3
2 4
8
5
7
1
5
1
9
4
8
PE-XXXXX
Lead
Length
1.05
26,67
MAX
.450
11,43
MAX
DATE CODE
Pin 1
.800
20,32
.042
1,07
TYP
Leads are .015 X .042 solderable
(0,38 X 1,07)
X:
Z:
.150
3,81
TYP
.950
24,13
MAX
1
2
3
4
1
4
2
5
PE-XXXXX
Lead
Length
1.05
26,67
MAX
.500
12,70
MAX
DATE CODE
Inches
mm
Dimensions:
Pin 1
Unless otherwise specified,
.800
20,32
.042
1,07
.010
0,25
TYP
all tolerances are ±
Leads are .015 X .042 solderable
(0,38 X 1,07)
.150
3,81
TYP
•
•
•
ASIA: TEL 65 287 8998 WEB: http://www.pulseeng.com
U.S.A: TEL 619 674 8100
EUROPE: TEL 44 1483 401700
T603.D (12/98)