| PartNumber | 164H28 | 164H20 | 164H24 |
| Description | Power Transformers Single Primary 115V 20VA, 28V CT @ .7A | Power Transformers Single Primary 115V 20VA, 20V CT @ 1A | Power Transformers Single Primary 115V 20VA, 24V CT @ .8A |
| Manufacturer | Hammond | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| RoHS | Y | - | - |
| Product | Transformer | - | - |
| Primary Voltage Rating | 115 VAC | - | - |
| Secondary Voltage Rating | 28 VAC CT | - | - |
| Power Rating | 20 VA | - | - |
| Secondary Current Rating | 0.7 A | - | - |
| Mounting Style | Through Hole | - | - |
| Primary Winding | Single Primary Winding | - | - |
| Secondary Winding | Dual Secondary Winding | - | - |
| Length | 2.25 in | - | - |
| Width | 1.88 in | - | - |
| Height | 1.44 in | - | - |
| Series | 162-164 | 164 | 164 |
| Operating Temperature Range | 0 C to + 130 C | - | - |
| Termination Style | Solder Pin | PC Pin | PC Pin |
| Type | Low Voltage | 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 | 14 oz | - | - |
| Mounting Type | - | Through Hole | Through Hole |
| Size Dimension | - | 57.15mm L x 47.63mm W | 57.15mm L x 47.63mm W |
| Current Output Max | - | Parallel 2A, Series 1A | Parallel 1.6A, Series 800mA |
| Power Max | - | 20 VA | 20 VA |
| Voltage Isolation | - | 2500Vrms | 2500Vrms |
| Height Seated Max | - | 36.52mm | 36.52mm |
| Voltage Primary | - | 115V | 115V |
| Voltage Secondary Full Load | - | Parallel 10V, Series 20V | Parallel 12V, Series 24V |
| Primary Winding s | - | Single | Single |
| Secondary Winding s | - | Dual | Dual |
| Center Tap | - | No | No |