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| PartNumber | ST3-12B5 | ST3-10B1 | ST3-16B9 |
| Description | Power Transformers SpltBobbin Laminated Xfmr LowFreq | Power Transformers SpltBobbin Laminated Xfmr LowFreq | Power Transformers SPLIT BOBBIN HORZ MOUNT XFMR |
| Manufacturer | Pulse | Pulse | Pulse Electronics Corporation |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| RoHS | Y | N | - |
| Primary Voltage Rating | 115 VAC | - | - |
| Secondary Voltage Rating | 12.6 V | - | - |
| Mounting Style | Through Hole | - | - |
| Primary Winding | Single Primary Winding | - | Single Primary Winding |
| Secondary Winding | Dual Secondary Winding | - | Dual Secondary Winding |
| Length | 1.38 in | 35.05 mm | 35.05 mm |
| Width | 1.13 in | 28.7 mm | 28.7 mm |
| Height | 1.19 in | 30.23 mm | 30.23 mm |
| Type | Low Frequency, Open Style Laminted, Split Bobbin, Horizontal Plug-In | - | Laminated Core |
| Brand | Pulse Electronics | Pulse Electronics | - |
| Product Type | Toroidal Transformers | Audio & Signal Transformers | - |
| Factory Pack Quantity | 40 | 40 | - |
| Subcategory | Transformers | Transformers | - |
| Packaging | - | Tube | - |
| Termination Style | - | Solder | PC Pin |
| Unit Weight | - | 4 oz | 4 oz |
| Series | - | - | Split Bobbin Plug-In |
| Qualification | - | - | Commercial |
| Mounting Type | - | - | Through Hole |
| Size Dimension | - | - | 35.05mm L x 28.70mm W |
| Current Output Max | - | - | Parallel 300mA, Series 150mA |
| Power Max | - | - | 2.4 VA |
| Voltage Isolation | - | - | 2500Vrms |
| Height Seated Max | - | - | 30.23mm |
| Voltage Primary | - | - | 115V |
| Voltage Secondary Full Load | - | - | Parallel 8V, Series 16V |
| Primary Winding s | - | - | Single |
| Secondary Winding s | - | - | Dual |
| Center Tap | - | - | No |