| PartNumber | 166F120 | 166F10 | 166F12 |
| Description | Power Transformers FIL RECT | Power Transformers FIL RECT | Power Transformers 12.6ct VAC / .3 Amp |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| Series | 166 | 166 | 166 |
| Product | Power Transformers | Power Transformers | Power Transformers |
| Type | Laminated Core | Laminated Core | Laminated Core |
| Packaging | Bulk | - | Bulk |
| Unit Weight | 1.500 lbs | 3.200033 oz | 6.400066 oz |
| Mounting Style | Chassis | Chassis | Chassis |
| Termination Style | Wire Leads | Wire Leads | Wire Leads |
| Operating Temperature Range | 0 C to + 130 C | 0 C to + 130 C | 0 C to + 130 C |
| Height | 58.67 mm | 30.23 mm | 35.05 mm |
| Length | 93.73 mm | 52.32 mm | 60.45 mm |
| Width | 47.75 mm | 35.05 mm | 35.05 mm |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount |
| Size Dimension | 93.73mm L x 47.75mm W | 52.32mm L x 35.02mm W | 60.45mm L x 35.05mm W |
| Current Output Max | 300mA | 300mA | 300mA |
| Power Max | 36 VA | 3 VA | 3.78 VA |
| Voltage Isolation | 2000Vrms | 2000Vrms | 2000Vrms |
| Height Seated Max | 58.67mm | 30.23mm | 35.05mm |
| Voltage Primary | 115V | 115V | 115V |
| Voltage Secondary Full Load | 120V | 10V | 12.6V |
| Primary Winding s | Single | Single | Single |
| Secondary Winding s | Single | Single | Single |
| Center Tap | Yes | Yes | Yes |
| Power Rating | 36 VA | 3 VA | 3.78 VA |
| Primary Voltage Rating | 115 VAC | 115 VAC | 115 VAC |
| Secondary Voltage Rating | 120 VAC CT | 10 VAC CT | 12.6 VAC CT |
| Secondary Current Rating | 300 mA | 300 mA | 300 mA |
| Primary Winding | Single Primary Winding | Single Primary Winding | Single Primary Winding |
| Secondary Winding | Single Secondary Winding | Single Secondary Winding | Single Secondary Winding |
| Operating Frequency | 50 Hz 60 Hz | 50 Hz 60 Hz | 50 Hz 60 Hz |