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| Part Number | 125B | 125BSE |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing |
| Series | 125 | 125SE |
| Packaging | Bulk | Bulk |
| Product Status | Active | Active |
| Turns Ratio - Primary:Secondary | - | - |
| Impedance - Primary (Ohms) | 1.2k ~ 25k | 2.5k ~ 10k |
| Impedance - Secondary (Ohms) | 1.5 ~ 15 | 4 ~ 32 |
| DC Resistance (DCR) - Primary | - | - |
| DC Resistance (DCR) - Secondary | - | - |
| Transformer Type | General Purpose | General Purpose |
| Frequency Range | 150Hz ~ 15kHz | 100Hz ~ 15kHz |
| Frequency Response | ±1dB | ±1dB |
| Voltage - Isolation | - | - |
| Insertion Loss | - | - |
| Return Loss | - | - |
| Power Level | 5W | 5W |
| Operating Temperature | - | - |
| Approval Agency | - | - |
| Mounting Type | Chassis Mount | Chassis Mount |
| Size / Dimension | 2.380" L x 1.380" W (60.45mm x 35.05mm) | 3.250" L x 1.630" W (82.55mm x 41.40mm) |
| Height - Seated (Max) | 1.380" (35.05mm) | 2.000" (50.80mm) |
| Termination Style | Wire Leads | Wire Leads |
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