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Home » Products » Transformer » Telecom » SMD12 Dual Port T1/CEPT/ISDN-PRI Interface Transformer With 1500Vrms Isolation

SMD12 Dual Port T1/CEPT/ISDN-PRI Interface Transformer With 1500Vrms Isolation

SMD12 Dual Port T1/CEPT/ISDN-PRI Interface Transformer With 1500Vrms Isolation ‹ ›
SMD12 Dual Port T1/CEPT/ISDN-PRI Interface Transformer With 1500Vrms Isolation
Product Features

SMD12 Dual Port T1/CEPT/ISDN-PRI Interface Transformer with 1500Vrms Isolation

55TB/57TB Series

2-Port T1/CEPT/ISDN-PRI Magnetic Transformer | 1.5KV Isolated | 12-Pin SMD Surface Mount For industrial control and telecom equipment

SMD dual telecom transformer has 1.5KVrms Isolation and T1/CEPT Interface. 55TB & 57TB series have dual SMT package contains both transmit and receive transformers. The models matched to Leading tansceiver Ics. Both series have been recognized by UL 1950.

Designed for modern computer equipment and industrial control systems, our surface mount telecom transformer series provides exceptional stability for networking devices. As a professional telecom magnetics manufacturer, we deliver High reliability SMD telecom transformer solutions, including dual port telecom transformer and SMD ISDN transformer configurations. These units function as a precise network interface transformer or telecom line isolation transformer, supporting T1 interface transformer, CEPT interface transformer, and ISDN PRI interface transformer requirements. Integrate our telecom line transformer and telecom isolation transformer to ensure superior signal integrity in any telecommunications environment.

Yuan Dean can provide high efficiency production solutions and customized products.

Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!

T1/CEPT/ISDN-PRI Interface 1.5KVrms Isolation Transformer(55TB/57TB Series) | High Reliability Telecom Magnetics | Digital Network Interface Transformer
Features
  • Models matched to Leading tansceiver Ics.
  • Provide 1500vrms isolation.
  • Recognized by UL 1950.
Applications
  • computer equipment.
  • Internet equipment.
  • industrial control.
  • telecom equipment.
Test Conditions
  • Inductance------------------10KHz/20mV.
  • Leakage Inductance -------100KHz/200mV.
  • Interwinding Capacitance -100KHz/200mV.
Electrical Specifications@25°C
Part Number Turns Ratio
(± 5%)		 OCL @25°C
(mH min.)		 LL
(uH max.)		 CW/W
(pf max.)		 DCR Pri.
(Ω max.)		 DCR Sec.
(Ω max.)		 Primary
Pins
EXTENDED TEMPERATURE RANGE MODELS-OPERATING TEMPERATURE 0℃TO+70℃
55TB-1221BNL 1CT:2CT&1CT:2CT 1.20&1.20 0.80&0.80 50&50 1.00&1.00 1.70&1.70 12-10,4-6
55TB-1621ANL 1CT:2CT&1:1.36CT 1.60&1.60 1.00&0.80 60&55 1.70&1.0 2.00&1.70 12-10,4-6
55TB-1261DNL 1:1.15CT&1CT:2CT 1.60&1.60 0.80&0.80 60&50 1.00&1.00 1.00&2.00 12-10,4-6
55TB-1221ENL 1:1/1.26&1:2 CT 1.20&1.20 0.80&0.80 50&60 1.00&1.00 1.10&1.70 12-10,4-6
55TB-1621FNL 1:2 CT &2:1 1.60&1.60 1.30&1.30 55&40 1.10&1.10 1.10*0.70 1-3,4-6
55TB-1222BNL 1CT:1CT &1CT:1CT 1.20&1.20 0.80&0.80 50&50 1.00&1.00 1.00&1.00 1-3,4-6
55TB-1223BNL 1CT:1.15CT &1CT:1.15CT 1.20&1.20 0.80&0.80 50&50 1.20&1.20 1.40&1.40 1-3,4-6
55TB-1224BNL 1CT:1CT &1CT:2CT 1.20&1.20 0.80&0.80 50&50 1.00&1.00 1.00&1.80 1-3,4-6
55TB-1625BNL 1CT:1.15CT &1CT:1CT 1.60&1.60 0.80&0.80 60&60 1.20&1.20 1.40&1.20 12-10,4-6
55TB-1226BNL 1CT:1.36CT &1CT:1.36CT 1.20&1.20 0.80&0.80 50&50 1.20&1.20 1.40&1.40 1-3,4-6
55TB-1227BNL 1CT:1.41CT &1 CT:1.41CT 1.20&1.20 0.80&0.80 50&50 0.90&0.90 1.20&1.20 12-10,9-7
55TB-1228BNL 1CT:2.3CT&1CT:2CT 1.20&1.20 0.80&0.80 60*50 1.20&1.20 2.10&2.10 10-12,4-6
STANDARD TEMPERATURE RANGE MODELS-OPERATING TEMPERATURE 0℃TO+70℃
57TB-1221BNL 1CT:2CT&1CT:2CT 1.20&1.20 0.60&0.60 35&35 0.70&0.70 1.20&1.20 12-10,4-6
57TB-1221ANL 1CT:2CT&1:1.36CT 1.20&1.20 0.60&0.60 35&37 0.70&0.70 1.20&0.90 12-10,4-6
57TB-1221ENL 1:2CT&1:1.14CT 1.20&1.20 0.55&0.80 40&35 0.70&0.70 1.20&0.90 12-10,4-6
57TB-1221CNL 1CT:2CT&1:1 1.20&1.20 0.30-0.55&0.80 30&30 0.70&0.70 1.20&0.70 1-3,5-6
57TB-1521DNL 1:1.15CT&1CT:2CT 1.50&1.20 0.80&0.60 35&35 0.70&0.70 0.90&1.20 12-10,4-6
57TB-1522ENL 1:1/1.26&1:2CT 1.50&1.20 0.40&0.50 40&40 0.70&0.70 0.90&1.20 12-10,4-6
57TB-1222ANL 1CT:2CT&1:1.08CT 1.20&1.20 0.60&0.60 40&30 0.70&0.70 1.10&0.90 12-10,4-6
57TB-1521GNL 1:1/1.26&1:1/1.26 1.50&1.50 0.40&0.40 45&45 0.80&0.80 1.00&1.00 12-10,9-7
Certification
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