T1 Carrier Interface 1.5KVrms Isolation Transformer
50T Series
1.5KVrms Isolation T1 Carrier Interface Telecom Product
T1 carrier interface 1.5KVrms isolation transformer is designed for T1/CEPT telecom applications. 50T series features compact single and dual packages. This series is designed to meet CCITT 7 & FCC and is 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
- For T1/CEPT Telecom applications.
- Designed to meet CCITT 7 & FCC.
- Recognized by UL 1950.
Applications
- computer equipment.
- Internet equipment.
- industrial control.
- telecom equipment.
Test Conditions
- Inductance ------------------100KHZ/200mV.
- Leakage Inductance --------100KHZ/200mV.
- Interwinding Capacitance –100KHZ/200mV.
Electrical Specifications@25°C
Part Number | Turns Ratio (± 5%) | OCL Pri. (mH min.) | LL (uH max.) | CW/W (pf max.) | DCR Pri. (Ω max.) | DCR Sec. (Ω max.) | Primary Pins |
---|---|---|---|---|---|---|---|
50T-1221BNL | 1:1:1(1:2CS) | 1.20 | 0.50 | 25 | 0.70 | 0.70&0.70 | 1-2 |
50T-1221DNL | 1CT:3CT | 1.20 | 0.50 | 30 | 0.70 | 1.60 | 1-5 |
50T-1221ANL | 1:1 | 1.20 | 0.50 | 25 | 0.70 | 0.70 | 1-2 |
50T-1221CNL | 1CT:1 | 1.20 | 0.80 | 25 | 0.70 | 0.70 | 1-5 |
50T-1222ANL | 1:1.36 | 1.20 | 0.80 | 35 | 0.70 | 0.80 | 5-6 |
50T-3012BNL | 1.26CS:1 (1:1:1.58) | 0.30 | 0.60 | 30 | 0.80 | 0.60 | 1-4 |
50T-8013BNL | 1CS:1 | 0.80 | 0.60 | 30 | 0.80 | 0.60 | 1-4 |
50T-8014BNL | 1CS:1.31 | 0.80 | 0.40 | 30 | 0.80 | 0.60 | 1-4 |
50T-1122DNL | 1CT:2CT | 1.20 | 0.55 | 30 | 0.70 | 1.20 | 1-5 |
50T-1222CNL | 1:2CT | 1.20 | 0.50 | 40 | 0.70 | 1.30 | 2-6 |
50T-5011ENL | 1:4CT | 0.50 | 1.00 | 40 | 0.50 | 1.50 | 1-5 |
50T-1222ENL | 1:1.14CT | 1.20 | 0.80 | 35 | 0.70 | 0.80 | 1-5 |
50T-1523CNL | 1:1.15CT | 1.50 | 0.60 | 35 | 0.70 | 0.90 | 2-6 |
50T-1524CNL | 1:1/1.26 | 1.50 | 0.40 | 40 | 0.70 | 0.90 | 2-6 |
50T-1222DNL | 1CT:2CT | 1.20 | 0.50 | 30 | 0.70 | 1.20 | 1-5 |
50T-1223ENL | 1:2.3CT | 1.20 | 0.80 | 35 | 0.70 | 1.40 | 1-5 |
50T-1224ENL | 1:1.36CT | 1.20 | 0.80 | 35 | 0.70 | 0.90 | 1-5 |
50T-1223DNL | 1CT:1CT | 1.20 | 0.80 | 25 | 0.80 | 0.80 | 1-5 |
50T-7011CNL | 1CT:1 | 0.70 | 0.70 | 20 | 0.20 | 0.80 | 1-5 |
50T-7014ENL | 1:1.36CT | 0.70 | 0.70 | 20 | 0.50 | 0.40 | 1-5 |
50T-1225CNL | 1:1.5CT | 1.20 | 0.60 | 30 | 0.70 | 1.00 | 2-6 |
50T-1224DNL | 1:1.26CT | 1.20 | 0.80 | 60 | 0.90 | 1.00 | 2-6 |
Certification


- Mechanicals and DimensionsRelated ProductsFiles Download
T1 Carrier Interface 1.5KVrms Isolation Transformer - 1.5KVrms Isolation T1 Carrier 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 Carrier Interface 1.5KVrms Isolation 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.