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51T Series T1/CEPT/ISDN-PRI Interface 1.5KVrms Isolated Through Hole Dual Transformer

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  • 51T series
  • YDS

1.5KVrms T1/CEPT/ISDN-PRI Interface Telecom Transformer


Features
  • For T1/CEPT Telecom applications.

  • Designed to meet CCITT 7 & FCC.

  • Recognized by UL 1950.


Test Conditions
  • Inductance ------------------100KHZ/20mV.

  • Leakage Inductance --------100KHZ/200mV.

  • Interwinding Capacitance --100KHZ/200mV.




Electrical Specifications@25°C


Part Number Turns Ratio
(± 5%)
OCL @25℃(mH min.) CW/W
(pf max.)
LL
(uH max.)
DCR Pri.
(Ω max.)
DCR Sec.
(Ω max.)
Package/
Schematic
Pins
Primary
Pins
Standard Temperature Range Dual Transformers -Operating Temperature 0℃ TO +70℃
51T-1221ANL 1:2CT&1:2CT 1.20&1.20 35&35 0.50&0.50 0.70&0.70 1.20&1.20 HD/A 14-12,5-7
51T-1221BNL 1:2CT&1:1.36 1.20&1.20 35&35 0.50&0.80 0.80&0.80 1.20&1.00 HD/B 14-12,5-7
51T-2021CNL 1:2CT&1:2CT 2.00&2.00 50&50 0.60&0.60 1.00&1.00 2.00&2.00 HD/C 14-12,10-8
51T-1221DNL 1CT:2CT&1:1 1.20&1.20 30&30 0.3~0.5&0.5 0.70&0.70 1.20&0.70 HD/D 1-3,5-7
51T-8011ENL 1:1.26CT&1.58:1 0.80&0.80 30&30 0.50&0.50 0.60&0.60 0.70&0.30 HD/E 1-3,5-7
51T-8012ENL 1:1CT&2:1 0.80&0.80 30&30 0.60&0.60 0.50&0.50 0.50&0.20 HD/E 1-3,5-7
51T-1223ENL 1:1.31CT&2.62:1 1.20&1.20 30&30 0.80&0.80 0.60&0.60 0.50&0.30 HD/E 1-3,5-7
51T-1522ANL 1:1.15CT&1:2CT 1.50&1.20 35&40 0.60&0.50 0.70&0.70 1.10&1.30 TD/A 14-12,5-7
51T-1523ANL 1:1/1.26&1:2CT 1.50&1.20 40&40 0.50&0.40 0.70&0.70 0.90&1.30 TD/A 14-12,5-7
Standard Temperature Range Dual Transformers -Operating Temperature -40℃ TO +85℃
51T-1522ATNL 1:1.15CT&1:2CT 1.50&1.20 40&60 0.80&0.80 0.90&0.90 1.00&1.70 TD/A 14-12,5-7
51T-1523ATNL 1:1/1.26&1:2CT 1.50&1.20 50&60 0.80&0.80 0.90&0.90 1.00&1.70 TD/A 14-12,5-7
51T-1221GTNL 1CT:2CT &
1:1.36CT
1.20&1.20 50&50 0.80&0.80 1.00&1.00 1.70&1.20 TD/G 14-12,5-7
51T-1221FTNL 1CT:1CT &
3CT:1CT:0.25
1.20&32.0 40&65 0.80&0.80 1.00&3.00 1.00&1.20 TD/F 1-3,11-9
51T-1222FTNL 1CT:1CT &
1CT:3CT:1
1.20&0.60 40&40 0.80&0.80 1.00&0.80 1.00&2.00 TD/F 1-3,4-6



 Files Download      51T-Series.pdf



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