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TX1281 Datasheet, PDF (1/1 Pages) Pulse A Technitrol Company – T1/E1/CEPT/ISDN-PRI SMT TRANSFORMERS
T1/E1/CEPT/ISDN-PRI
SMT TRANSFORMERS
Part
Number
TX1281
TX1284
TX12XX
Small surface mount package
Isolation voltage: 1500 Vrms minimum
Extended temperature range: -40�C to +85�C
Designed to meet Return Loss requirements of ITU G.703
Turns Ratio
(Pri:Sec - ±2%)
1CT:1
1.26CT:1
Electrical Specifications @ 25°C - Operating Temperature -40°C to +85°C
OCL Pri @ 25�C
(mH MIN)
LL
(μH MIN)
Cww
(pF MAX)
2.0
1.2
65
1.2
1.0
50
Mechanical
DCR Pri
(Ω MAX)
2.7
2.5
DCR Sec
(Ω MAX)
2.7
2.0
Schematic
Weight ......................0.38 grams
Tape & Reel .................1000/reel
Tray .................................80/tray
Dimensions:
Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
For More Information
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
Pulse Europe
Einsteinstrasse 1
D-71083 Herrenberg
Germany
Tel: 858 674 8100
Fax: 858 674 8262
Tel: 49 7032 78060
Fax: 49 7032 7806 135
Pulse China Headquarters
B402, Shenzhen Academy of
Aerospace Technology Bldg.
10th Kejinan Road
High-Tech Zone
Nanshan District
Shenzen, PR China 518057
Tel: 86 755 33966678
Fax: 86 755 33966700
Pulse North China
Room 2704/2705
Super Ocean Finance Ctr.
2067 Yan An Road West
Shanghai 200336
China
Tel: 86 21 62787060
Fax: 86 2162786973
Pulse South Asia
135 Joo Seng Road
#03-02
PM Industrial Bldg.
Singapore 368363
Tel: 65 6287 8998
Fax: 65 6287 8998
Pulse North Asia
3F, No. 198
Zhongyuan Road
Zhongli City
Taoyuan County 320
Taiwan R. O. C.
Tel: 886 3 4356768
Fax: 886 3 4356823 (Pulse)
Fax: 886 3 4356820 (FRE)
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be
trademarks or registered trademarks of their respective owners. © Copyright, 2012. Pulse Electronics, Inc. All rights reserved.
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T669.B (04/12)