T1142 PULSE ELECTRONICS CORPORATION, T1142 Datasheet - Page 2

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T1142

Manufacturer Part Number
T1142
Description
Manufacturer
PULSE ELECTRONICS CORPORATION
Datasheet

Specifications of T1142

Operating Temp Range
0C to 70C
Mounting
Surface Mount
Pin Count
40
Interwinding Capacitance Max
35pF
Isolation Voltage (max)
1500VrmsV
Lead Style
Gull Wing
Ocl Inductance (max)
1(Min)mH
Operating Temperature Max Deg. C
70C
Operating Temperature Min Deg. C
0C
Primary Leakage Inductance (max)
0.5uH
Product Depth (mm)
16.26mm
Product Height (mm)
5.84mm
Product Length (mm)
28.58mm
Return Loss (min)
9/12dB
Turns Ratio
1:2.4/1:1
Lead Free Status / RoHS Status
Not Compliant

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www.pulseeng.com
T1/E1/CEPT/ISDN-PRI TRANSFORMERS
Quad Port T1/E1 with 8 Transformers, 1500Vrms
Mindspeed
(Conexant)
Cirrus Logic
(Crystal)
Maxim
(Dallas)
Exar
Infineon
Technologies
(Siemens)
Intel
(Level One)
Lucent
Technologies
Zarlink
(Mitel)
PMC-Sierra
USA 858 674 8100
IC Mfr.
BT8510
BT8510
CN8380
BT8370/5/6
BT8370/5/6
61318
61577
61304A/5A/535A/574A,/75
61304A/5A/535A/574A,/75
61304A/5A/535A/574A,/75
61582, 61583
61310, 61581
61881
61584/84A
61584/82/83/A
DS2196
DS2151/2152/2153/2154
DS2151/2152/2153/2154
DS2148/Q48
DS2148/Q48
DS21352/Q352,DS21354/Q354
DS21552/Q552,DS21554/Q554
DS21552/Q552,DS21554/Q554
T5683A, 59L91
T5894,T5897,T5997
T5791/93/94/95
81L27,82L24,82D20
83L30/34/38
T5684,T7288,82D20
PEB 2254/55
PEB 2254/55
PEB 22504
PEB 22504
PEB22554
PEB2256 3.3 V
LXT 300/301
LXT 304/305/307
LXT 304/305/307
LXT 304/305/307
LXT 310/317/318
LXT 331
LXT 331, LXT 332
LXT 331, LXT 332
LXT 334, LXT 335
LXT 334, LXT 335
LXT 334, LXT 335
LXT 336
LXT 350, LXT 351, LXT 359
LXT 350, LXT 351
LXT 360/361/362/363
LXT 360/361/362/363
LXT 380/381/384/386/388
LXT 380/381/384/386/388
LXT 3104, LXT 3108
T7288, T290A
T7289A
T7688, T7690, T7698
T7689, T7690, T7698
T7693,T7697
TLIU04C1
TLIU04C1
MT9071, MT9076
MT9076, MT9075
MT9074, MT9075
PM4341/6341/4314
PM4318
PM4351/4354
Transformer Selection Guide
• •
Germany 49 7032 7806
IC Part Number
• •
Singapore 65 6287 8998
T1/E1
120 E1
T1
75 E1
120 E1
IQ3
3V
5V
E1/T1 & J1
E1/T1 & J1
5V
3.3V
E1/T1/J1
DS1
T1/E1
Better Rl
Low Power
T1 & E1
IQ5
3.3V
T1,E1
T1
75E1,120E1
T1,E1
T1/E1
120/75 E1
75 E1
T1,E1
T1,E1
T1/E1
T1/E1
CEPT
CEPT
DS1
CEPT
DS1
CEPT
COMET
Comments
STD temp
T1071
T1071
T1124
T1067
T1070
T1068
T1065
T1070
T1068
T1071
T1064
T1068
T1070
T1065
T1064
T1068
T1070
T1067
T1068
T1067
T1068
T1070
T1067
T1065
T1065
T1071
T1067
T1065
T1067
T1069
T1069
T1142
T1226
T1142
T1142
T1065
T1065
T1070
T1071
T1068
T1068
T1065
T1070
T1065
T1067
T1071
T1065
T1068
T1070
T1068
T1070
T1068
T1124
T1068
T1067
T1070
T1063
T1064
T1180
T1064
T1063
T1180
T1142
T1068
T1067
T1065
T1180
Octal SMT
• •
Shanghai
2
EXT temp
TX1299
T1111
T1111
T1114
T1107
T1110
T1108
T1105
T1110
T1108
T1111
T1104
T1108
T1110
T1105
T1104
T1108
T1110
T1107
T1108
T1107
T1108
T1110
T1107
T1105
T1105
T1111
T1107
T1105
T1107
T1109
T1109
T1231
T1226
T1231
T1231
T1105
T1105
T1110
T1111
T1108
T1108
T1105
T1110
T1105
T1107
T1111
T1105
T1108
T1110
T1108
T1110
T1108
T1114
T1108
T1107
T1110
T1103
T1104
T1104
T1103
T1231
T1108
T1107
T1105
86 21 54643211 / 2
NOTES FROM TABLES
A. OCL (primary inductance) is measured at the primary winding.
B. To make a 1CT:1 ratio from a 1CT:2CT ratio, use only one-half
C. It is possible to use the same transformer model for the three
D. Dual Ratio Transformer (T1071, T1111 and T1145) — These
E. Standard packaging for the surface mount package is anti-static
F. Extended Temperature Range Models — For extended
of the secondary (2CT) winding.
impedance levels of T1 (100Ω) and CEPT (75Ω & 120Ω). For
specific connection information and resistor values, refer to IC
vendors' data book.
transformers have tapped secondary windings to provide two
turns ratios (T/R). Use the entire primary winding and connect
the secondary pins listed below to obtain desired turns ratio:
P
Number
T1071
T1111
T1145
Turns ratio is specified primary: secondary. (CT = Center Tap).
tubes. Optional Tape & Reel packaging can be ordered by
adding a “T” suffix to the part number, (i.e. T1063T).
temperature range transformers (-40°C to +85°C operating
temperature range), OCL (Open Circuit Inductance for the
primary winding) is specified at both -40°C and +25°C. At -
40°C, OCL is 600 µH minimum. All other parameters are
specified at +25°C only. Standard temperature range is 0°C
to +70°C.
art
and
Ratio 1
Turns
1:1
1:1
1:1
1:1
1:2
1:2
1:2
1:2
• •
China 86 769 85538070
Schematics
Secondary
40-39
35-34
30-29
25-24
40-39
33-32
30-29
23-22
Pins
1:1.26
1:1.26
1:1.26
1:1.26
Ratio 2
1:2.4
1:2.4
1:2.4
1:2.4
Turns
• •
Taiwan 886 3 4641811
T622.H (6/06)
Secondary
40-38
35-33
30-28
25-23
40-38
33-31
30-28
23-21
Pins

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