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Dual Channel T1/CEPT/ISDN-PRI Magnetic Transformer | 1.5KV Isolation | 16-Pin DIP Package For computer、Internet、telecom equipment
Telecom transformer is designed as T1/CEPT/ISDN-PRI Interface with 1.5KVrms isolation voltage. 51T series is a through hole transformer features compact single and dual packages. It can be used in T1/CEPT Telecom applications. This series is designed to meet CCITT 7 & FCC and is recognized by UL 1950.
As a professional telecom magnetics manufacturer, we offer the 51T Series featuring high-performance T1 interface transformer and CEPT interface transformer solutions. This DIL telecom transformer range serves as a reliable T1 line interface transformer or ISDN PRI interface transformer, ideal for telecom line isolation transformer applications. Our ISDN telecom transformer and telecom interface transformer options ensure superior communication transformer connectivity for computer equipment, networking devices, industrial control, and telecommunications.
Yuan Dean can provide high efficiency production solutions and customized products.
Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!
| Part Number | Turns Ratio (± 5%) | OCL @25°C (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 |