Split/Tran™ Class 2 Split Bobbin Transformers - ST/DST Series
Signal Transformer's ST/DST series transformers feature a power rating of 1.1 VA to 36 VA and are available in a multitude of standard configurations
Signal Transformer's Split/Tran transformers provide superior isolation and low capacitive coupling. This transformer is built to meet Class 2 safety circuit standards. Depending on which transformer in this series is chosen, it is certified to Inherently Limited (no fuse) or Non-Inherently Limited (fuse required). The Split bobbin-low power transformers feature a power rating of 1.1 VA to 36 VA and are available in a multitude of standard configurations.
Resources
- Split bobbin construction
- Class 2 Inherently or Non-Inherently Limited (part specific)
- UL 1446 Class B insulation
- UL recognized to UL 506/UL 5085-1, -2
- CSA certified to C22.2 #66.1
- cCSAus certified to C22.2 #66.3
- Power: 1.1 VA to 36 VA
- Dielectric strength: 2500 VRMS (HiPot)
- Primaries: single or dual (115 V or 115/230 V)
- Secondaries: series or parallel options
- 50/60Hz
ST Series - 115 V Primary - 1.1 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | ST-2-12 | PWR XFMR LAMINATED 1.1VA TH | Parallel 6.3V, Series 12.6V | Parallel 180mA, Series 90mA | Single | 812 - Immediate | $12.69 | View Details |
![]() | ![]() | ST-2-16 | PWR XFMR LAMINATED 1.1VA TH | Parallel 8V, Series 16V | Parallel 140mA, Series 70mA | Single | 0 - Immediate | $12.69 | View Details |
ST Series - 115 V Primary - 2.4 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | ST-3-10 | PWR XFMR LAMINATED 2.4VA TH | Parallel 5V, Series 10V | Parallel 500mA, Series 250mA | Single | 272 - Immediate | $12.86 | View Details |
![]() | ![]() | ST-3-12 | PWR XFMR LAMINATED 2.4VA TH | Parallel 6.3V, Series 12.6V | Parallel 400mA, Series 200mA | Single | 229 - Immediate | $12.86 | View Details |
ST Series - 115 V Primary - 6 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | ST-4-12 | PWR XFMR LAMINATED 6VA TH | Parallel 6.3V, Series 12.6V | Parallel 1A, Series 500mA | Single | 746 - Immediate | $12.58 | View Details |
![]() | ![]() | ST-4-16 | PWR XFMR LAMINATED 6VA TH | Parallel 8V, Series 16V | Parallel 800mA, Series 400mA | Single | 653 - Immediate | $14.81 | View Details |
ST Series - 115 V Primary - 12 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | ST-5-16 | PWR XFMR LAMINATED 12VA TH | Parallel 8V, Series 16V | Parallel 1.6A, Series 800mA | Single | 88 - Immediate | $16.68 | View Details |
![]() | ![]() | ST-5-20 | PWR XFMR LAMINATED 12VA TH | Parallel 10V, Series 20V | Parallel 1.2A, Series 600mA | Single | 0 - Immediate | $16.68 | View Details |
ST Series - 115 V Primary - 20 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | ST-6-12 | PWR XFMR LAMINATED 20VA TH | Parallel 6.3V, Series 12.6V | Parallel 3.2A, Series 1.6A | Single | 0 - Immediate | $17.96 | View Details |
![]() | ![]() | ST-6-16 | PWR XFMR LAMINATED 20VA TH | Parallel 8V, Series 16V | Parallel 2.5A, Series 1.25A | Single | 85 - Immediate | $22.24 | View Details |
ST Series - 115 V Primary - 36 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | ST-7-10 | PWR XFMR LAMINATED 36VA TH | Parallel 5V, Series 10V | Parallel 7.2A, Series 3.6A | Single | 0 - Immediate | $20.42 | View Details |
![]() | ![]() | ST-7-24 | PWR XFMR LAMINATED 36VA TH | Parallel 12V, Series 24V | Parallel 3A, Series 1.5A | Single | 65 - Immediate | $24.95 | View Details |
DST Series - 115 V / 230 V Primary - 1.1 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | DST-2-10 | PWR XFMR LAMINATED 1.1VA TH | Parallel 5V, Series 10V | Parallel 220mA, Series 110mA | Dual | 113 - Immediate | $15.87 | View Details |
![]() | ![]() | DST-2-12 | PWR XFMR LAMINATED 1.1VA TH | Parallel 6.3V, Series 12.6V | Parallel 180mA, Series 90mA | Dual | 114 - Immediate | $15.87 | View Details |
DST Series - 115 V / 230 V Primary - 2.4 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | DST-3-12 | PWR XFMR LAMINATED 2.4VA TH | Parallel 6.3V, Series 12.6V | Parallel 400mA, Series 200mA | Dual | 64 - Immediate | $15.31 | View Details |
![]() | ![]() | DST-3-16 | PWR XFMR LAMINATED 2.4VA TH | Parallel 8V, Series 16V | Parallel 300mA, Series 150mA | Dual | 1071 - Immediate | $13.01 | View Details |
DST Series - 115 V / 230 V Primary - 6 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | DST-4-10 | PWR XFMR LAMINATED 6VA TH | Parallel 5V, Series 10V | Parallel 1.2A, Series 600mA | Dual | 106 - Immediate | $17.32 | View Details |
![]() | ![]() | DST-4-12 | PWR XFMR LAMINATED 6VA TH | Parallel 6.3V, Series 12.6V | Parallel 1A, Series 500mA | Dual | 2969 - Immediate | $14.71 | View Details |
DST Series - 115 V / 230 V Primary - 12 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | DST-5-12 | PWR XFMR LAMINATED 12VA TH | Parallel 6.3V, Series 12.6V | Parallel 2A, Series 1A | Dual | 134 - Immediate | $19.77 | View Details |
![]() | ![]() | DST-5-16 | PWR XFMR LAMINATED 12VA TH | Parallel 8V, Series 16V | Parallel 1.6A, Series 800mA | Dual | 292 - Immediate | $19.09 | View Details |
DST Series - 115 V / 230 V Primary - 20 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | DST-6-10 | PWR XFMR LAMINATED 20VA TH | Parallel 5V, Series 10V | Parallel 4A, Series 2A | Dual | 0 - Immediate | $19.91 | View Details |
![]() | ![]() | DST-6-12 | PWR XFMR LAMINATED 20VA TH | Parallel 6.3V, Series 12.6V | Parallel 3.2A, Series 1.6A | Dual | 11 - Immediate | $23.09 | View Details |
DST Series - 115 V / 230 V Primary - 36 VA
| Image | Manufacturer Part Number | Description | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | DST-7-10 | PWR XFMR LAMINATED 36VA TH | Parallel 5V, Series 10V | Parallel 7.2A, Series 3.6A | Dual | 11 - Immediate | $29.68 | View Details |
![]() | ![]() | DST-7-16 | PWR XFMR LAMINATED 36VA TH | Parallel 8V, Series 16V | Parallel 4.5A, Series 2.25A | Dual | 58 - Immediate | $29.68 | View Details |










