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| Part Number | 125A | 125ASE |
| 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 | - | 241.7 Ohm |
| DC Resistance (DCR) - Secondary | - | 229mOhm, 323mOhm, 463mOhm, 670mOhm |
| Transformer Type | General Purpose | General Purpose |
| Frequency Range | 150Hz ~ 15kHz | 100Hz ~ 15kHz |
| Frequency Response | ±1dB | ±1dB |
| Voltage - Isolation | - | 1500V @ 1 Second |
| Insertion Loss | - | - |
| Return Loss | - | - |
| Power Level | 3W | 3W |
| Operating Temperature | - | - |
| Approval Agency | - | - |
| Mounting Type | Chassis Mount | Chassis Mount |
| Size / Dimension | 2.060" L x 1.250" W (52.32mm x 31.75mm) | 2.810" L x 1.350" W (71.37mm x 34.29mm) |
| Height - Seated (Max) | 1.190" (30.23mm) | 1.690" (42.93mm) |
| Termination Style | Wire Leads | Wire Leads |
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