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| PartNumber | TO38-30886-B21 | TO38-30702-B20 |
| Description | Microphones omni-directional MICROPHONE 1pc=2pcs | Microphones omni-directional MICROPHONE |
| Manufacturer | Knowles | Knowles |
| Product Category | Microphones | Microphones |
| RoHS | Y | Y |
| Directional Properties | Omnidirectional | - |
| Impedance | 8 kOhms | - |
| Current Rating | 29 uA | - |
| Sensitivity | - 54 dBA | - |
| Termination Style | Solder Pad | - |
| IP Rating | - | - |
| Length | 3.54 mm | - |
| Width | 3.54 mm | - |
| Depth | 1.3 mm | - |
| Operating Supply Voltage | 1.6 V | - |
| Series | TO/BTO | TO/BTO |
| Brand | Knowles | Knowles |
| Length in | 0.139 in | - |
| Length mm | 3.54 mm | - |
| Product Type | Microphones | Microphones |
| Factory Pack Quantity | 25 | 25 |
| Subcategory | Audio Devices | Audio Devices |
| Width in | 0.139 in | - |
| Width mm | 3.54 mm | - |