| PartNumber | 164D28 | 164D24 | 164D20 |
| Description | Power Transformers Single Primary 115V 1.1VA, 28V CT @ .04A | Power Transformers Single Primary 115V 1.1VA/24V CT @ .045A | Power Transformers Single Primary 115V 1.1VA/20V CT @ .055A |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Power Transformers | Power Transformers | Power Transformers |
| Series | 164 | 164 | 164 |
| Type | Laminated Core | Laminated Core | Laminated Core |
| Termination Style | PC Pin | PC Pin | PC Pin |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Size Dimension | 34.93mm L x 28.56mm W | 34.93mm L x 28.56mm W | 34.93mm L x 28.56mm W |
| Current Output Max | Parallel 80mA, Series 40mA | Parallel 90mA, Series 45mA | Parallel 110mA, Series 55mA |
| Power Max | 1.1 VA | 1.1 VA | 1.1 VA |
| Voltage Isolation | 2500Vrms | 2500Vrms | 2500Vrms |
| Height Seated Max | 33.32mm | 33.32mm | 33.32mm |
| Voltage Primary | 115V | 115V | 115V |
| Voltage Secondary Full Load | Parallel 14V, Series 28V | Parallel 12V, Series 24V | Parallel 10V, Series 20V |
| Primary Winding s | Single | Single | Single |
| Secondary Winding s | Dual | Dual | Dual |
| Center Tap | No | No | No |
| Product | - | PCB Mount Transformers | PCB Mount Transformers |
| Packaging | - | Bulk | - |
| Unit Weight | - | 2.240023 oz | 2.240023 oz |
| Mounting Style | - | Through Hole | Through Hole |
| Operating Temperature Range | - | 0 C to + 130 C | 0 C to + 130 C |
| Height | - | 1 5/16 in | 1 5/16 in |
| Length | - | 1 3/8 in | 1 3/8 in |
| Width | - | 1 1/8 in | 1 1/8 in |
| Power Rating | - | 1.1 VA | 1.1 VA |
| Primary Voltage Rating | - | 115 VAC | 115 VAC |
| Secondary Voltage Rating | - | 24 VAC CT | 20 VAC CT |
| Secondary Current Rating | - | 0.045 A | 0.055 A |
| Primary Winding | - | Single Primary Winding | Single Primary Winding |
| Secondary Winding | - | Dual Secondary Winding | Dual Secondary Winding |