Weight ................7.0 grams
Pan Size ..................60/Tray
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
RoHS Compliant Part Number Line Side OCL
(mH MIN)
Cw/w
(pF MAX)
Turns Ratio
(Pri:Sec ±2%) Primary Pins
w/o CMC w/CMC TX RX TX RX
TX1680NL — 1.2 35 1:2CT 1CT:2 4-6, 21-19 1-3, 24-22
TX1681NL — 1.2 35 1:1CT 1CT:1 4-6, 21-19 1-3, 24-22
— TX1682NL 1.2 35 1:2CT 1CT:2 4-6, 21-19 1-3, 24-22
T1/E1CEPT/ISDN-PRI 16 CHANNEL
TRANSFORMER
RoHS peak reflow temperature rating:
245°C
Optimized for enhanced EMC performance
Transformers with optional common mode
chokes on both transmit and receive channels
Isolation Voltage: 1500 Vrms
NOTES: 1. Other Transformer/Choke modules available. Please contact Pulse Applications Engineering.
www.pulseeng.com 1 T695.A (3/10)
Mechanical
TX1680NL, TX1681NL, TX1682NL
USA 858 674 8100
Germany 49 7032 7806 0
Singapore 65 6287 8998
Shanghai 86 21 62787060
China 86 755 33966678
Taiwan 886 3 4356768
TX1682NL
www.pulseeng.com 2 T695.A (3/10)
For More Information:
Pulse Worldwide
Headquarters
12220 World Trade Dr.
San Diego, CA 92128
U.S.A.
www.pulseeng.com
Tel: 858 674 8100
Fax: 858 674 8262
Pulse Europe
Zeppelinstrasse 15
D-71083 Herrenberg
Germany
Tel: 49 7032 7806 0
Fax: 49 7032 7806 135
Pulse China Headquarters
B402, Shenzhen Academy of
Aerospace Technology Bldg.
10th Kejinan Rd.
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 Rd. West
Shanghai 200336
China
Tel: 86 21 62787060
Fax: 86 2162786973
Pulse South
Asia
135 Joo Seng Rd.
#03-02
PM Industrial Bldg.
Singapore 368363
Tel: 65 6287 8998
Fax: 65 6287 8998
Pulse North Asia
3F, No. 198
Zhongyuan Rd.
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, 2010. Pulse Engineering, Inc. All rights reserved.
1
2
3
4
3
2
4
6
1
9
7
9
18
16
10
11
12
15
14
13
1CT
:
2
1:2CT
1CT:2
1:2CT
1
2
3
24
23
22
4
6
21
19
7
9
18
16
10
11
12
15
14
13
1CT
:
2
1:2CT
1CT:2
1:2CT
1
2
3
24
23
22
4
6
21
19
7
9
18
16
10
11
12
15
14
13
1CT
:
2
1:2CT
1CT:2
1:2CT
1
2
3
24
23
22
4
6
21
19
7
9
1
1
1
1
1
1
1
1
1CT
:
2
1:2CT
1CT:2
1:2CT
TX1681NL
Schematics
TX1680NL
T1/E1CEPT/ISDN-PRI 16 CHANNEL
TRANSFORMER
