6
4
1
3
2
Turns Ratio OCL Pri @ 25°C LLCWW DCR Pri DCR SecPart
(Pri:Sec - ±2%) (mH MIN) (µH MIN) (pF MAX) (
W
MAX) (
W
MAX)Number
TX1281 1CT:1 2.0 1.2 65 2.7 2.7
TX1282 1.14CT:1 2.2 1.4 65 2.8 2.8
TX1283 1.35CT:1 2.0 1.4 65 2.7 2.0
TX1284 1.26CT:1 1.2 1.0 50 2.5 2.0
T1/E1/CEPT/ISDN-PRI
SMT TRANSFORMERS
Mechanical
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
Schematic
.025
0,64
6 X
0° 8°
6 X
.005/0,13
6 SURFACES
.200
5,08
.006
0,15
SUGGESTED PAD LAYOUT
.073
1,85
.146
3,71
.044
1,12
6 X
.245
6,22
.345
8,76
+.000
- .010
+0,00
- 0,25
.146
3,71
.073
1,85
TX12XX
Date Code
Country of Mfg.
.220
5,59
.305 ± .010
7,75 ± 0,25
.230
5,84
.024
0,61
6 X
TX12XX
PRELIMINARY T669.P (8/01)
For More Information :
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.
Printed on recycled paper. ©2001, Pulse Engineering, Inc.
UNITED STATES
(Worldwide)
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
UNITED KINGDOM
(Northern Europe)
1 & 2 Huxley Road
The Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
FRANCE
(Southern Europe)
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
TAIWAN, R.O.C.
(Northern Asia)
3F-4, No. 81, Sec. 1
HsinTai Wu Road
Hsi-Chih, Taipei Hsien
Taiwan, R.O.C.
Tel: 886 2 2698 0228
FAX: 886 2 2698 0948
SINGAPORE
(Southern Asia)
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 287 8998
FAX: 65 280 0080
DISTRIBUTOR
Electrical Specifications @ 25°C — Operating Temperature -40°C to 85°C
Weight . . . . . . . . . . . . . .0.38 grams
Tape & Reel . . . . . . . . . . .1000/reel
Tray . . . . . . . . . . . . . . . . . . .80/tray
Dimensions: Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
