| PartNumber | 166J20 | 166J2 | 166J24 |
| Description | Power Transformers 20VAC 1 AMP | Power Transformers FIL RECT | Power Transformers PowerTrf NoCenterTap 115VAC - 24V@1A |
| Manufacturer | Hammond | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| RoHS | Y | - | - |
| Product | Transformer | Power Transformers | Power Transformers |
| Primary Voltage Rating | 115 VAC | 115 VAC | 117 VAC |
| Secondary Voltage Rating | 20 VAC CT | 2.5 VAC CT | 24 VAC CT |
| Power Rating | 20 VA | 2.5 VA | 24 VA |
| Secondary Current Rating | 1 A | 1 A | 1 A |
| Mounting Style | Chassis | Chassis | Chassis |
| Primary Winding | Single Primary Winding | Single Primary Winding | Single Primary Winding |
| Secondary Winding | Single Secondary Winding | Single Secondary Winding | Single Secondary Winding |
| Length | 82.55 mm | 52.32 mm | 3.25 in |
| Width | 44.45 mm | 35.05 mm | 2 in |
| Height | 50.8 mm | 30.23 mm | 2 in |
| Series | 166 | 166 | 166 |
| Operating Frequency | 50 Hz, 60 Hz | 50 Hz 60 Hz | 50 Hz 60 Hz |
| Operating Temperature Range | 0 C to + 130 C | 0 C to + 130 C | 0 C to + 130 C |
| Termination Style | Wire Leads | Wire Leads | Wire Leads |
| Type | Low Voltage, Single Primary | Laminated Core | Laminated Core |
| Brand | Hammond Manufacturing | - | - |
| Maximum Operating Temperature | + 130 C | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Product Type | Power Transformers | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Transformers | - | - |
| Unit Weight | 1 lb | 4.800049 oz | 2.020 lbs |
| Mounting Type | - | Chassis Mount | Chassis Mount |
| Size Dimension | - | 52.32mm L x 35.05mm W | 82.55mm L x 50.80mm W |
| Current Output Max | - | 1A | 1A |
| Power Max | - | 2.5 VA | 24 VA |
| Voltage Isolation | - | 2000Vrms | 2000Vrms |
| Height Seated Max | - | 30.23mm | 50.80mm |
| Voltage Primary | - | 115V | 117V |
| Voltage Secondary Full Load | - | 2.5V | 24V |
| Primary Winding s | - | Single | Single |
| Secondary Winding s | - | Single | Single |
| Center Tap | - | Yes | Yes |