| PartNumber | 187F28 | 187F20 | 187F24 |
| Description | Power Transformers Single Primary 115V 100VA, 28V CT @3.57A | Power Transformers Single Primary 115V 100VA, 20V CT @5A | Power Transformers Single Primary 115V 96VA, 24V CT @4A |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| Series | 187 | 187 | 187 |
| Type | Laminated Core | Laminated Core | Laminated Core |
| Termination Style | Solder, Quick Connect | Solder, Quick Connect | Solder, Quick Connect |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount |
| Size Dimension | 102.36mm L x 66.68mm W | 102.36mm L x 66.68mm W | 102.36mm L x 66.68mm W |
| Current Output Max | 3.57A | 5A | 4A |
| Power Max | 100 VA | 100 VA | 96 VA |
| Voltage Isolation | 2000Vrms | 2000Vrms | 2000Vrms |
| Height Seated Max | 65.02mm | 65.02mm | 65.02mm |
| Voltage Primary | 115V | 115V | 115V |
| Voltage Secondary Full Load | 28V | 20V | 24V |
| Primary Winding s | Single | Single | Single |
| Secondary Winding s | Single | Single | Single |
| Center Tap | Yes | Yes | Yes |