T1/CEPT/ISDN-PRI Interface 1.5KVrms Isolation SMD Dual Transformer - 1.5KVrms Isolation T1/CEPT Interface Telecom Product | Taiwan-Based Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.
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.
Yuan Dean can provide high efficiency production solutions and customized products.
Any OEM/ ODM requirement is welcome. We look forward to cooperating with you! YDS is a high-quality T1/CEPT/ISDN-PRI Interface 1.5KVrms Isolation SMD Dual Transformer, SMD T1/CEPT/ISDN-PRI Interface 1.5KVrms Isolation Dual Transformer manufacturer from Taiwan since 1990. We Produce various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank.
T1/CEPT/ISDN-PRI Interface 1.5KVrms Isolation SMD Dual Transformer
55TB/57TB Series
1.5KVrms Isolation T1/CEPT Interface Telecom Product
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.
Yuan Dean can provide high efficiency production solutions and customized products.
Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!
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
- Mechanicals and DimensionsRelated ProductsFiles Download
T1/CEPT/ISDN-PRI Interface 1.5KVrms Isolation SMD Dual Transformer - 1.5KVrms Isolation T1/CEPT Interface Telecom Product | Taiwan-Based Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.
Based in Taiwan since 1990, YUAN DEAN SCIENTIFIC CO., LTD. has been a power converter, transformer, magnetic components manufacturer in Electronic Components Industry. Their main products, include T1/CEPT/ISDN-PRI Interface 1.5KVrms Isolation SMD Dual Transformer, DC-DC Converters, AC-DC Converters, RJ45 Magnetics, Converter Transformers, LAN Filters, High Frequency Transformers, POE Transformers, Inductors and LED drivers, which are RoHS approved with ERP system implemented.
YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified. We Produce various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank. ISO 9001 & ISO 14001, IATF16949 certified power converter, high frequency transformer, magnetic component with reliable EMC and EMI / EMS / EDS lab tests. Power converter solutions for medical, railway, POE, etc.
YDS has been offering customers high-quality power supply and magnetic components, both with advanced technology and 25 years of experience, YDS ensures each customer's demands are met.
