| PartNumber | 166J25B | 166J25C | 166J25 |
| Description | Power Transformers POWER TX 117VAC 25V@1A | Power Transformers Open, Single Primary 117V 25CT 1A 25VA | Power Transformers 25ct VAC / 1 Amp |
| Manufacturer | Hammond | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| RoHS | Y | - | - |
| Product | Transformer | - | Power Transformers |
| Primary Voltage Rating | 115 VAC | - | 115 VAC |
| Secondary Voltage Rating | 25 VAC CT | - | 25 VAC CT |
| Power Rating | 25 VA | - | 25 VA |
| Secondary Current Rating | 1 A | - | 1 A |
| Mounting Style | Chassis | - | Chassis |
| Primary Winding | Single Primary Winding | - | Single Primary Winding |
| Secondary Winding | Single Secondary Winding | - | Single Secondary Winding |
| Length | 3.25 in | - | 82.55 mm |
| Width | 2 in | - | 44.45 mm |
| Height | 2 in | - | 50.8 mm |
| Series | 166 | 166 | 166 |
| Operating Frequency | 50 Hz, 60 Hz | - | 50 Hz 60 Hz |
| Operating Temperature Range | 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 | 1.350 lbs | - | 1.120 lbs |
| Mounting Type | - | Chassis Mount | Chassis Mount |
| Size Dimension | - | 82.55mm L x 50.80mm W | 82.55mm L x 44.45mm W |
| Current Output Max | - | 1A | 1A |
| Power Max | - | 25 VA | 25 VA |
| Voltage Isolation | - | 2000Vrms | 2000Vrms |
| Height Seated Max | - | 50.80mm | 50.80mm |
| Voltage Primary | - | 117V | 115V |
| Voltage Secondary Full Load | - | 25V | 25V |
| Primary Winding s | - | Single | Single |
| Secondary Winding s | - | Single | Single |
| Center Tap | - | Yes | Yes |
| Packaging | - | - | Bulk |