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| PartNumber | TOM-1545L-LW100-R | TOM-1537L-HD-R | TOM-1545L |
| Description | Microphones OMNI-DIRECTIONAL MICROPHONE 4MM DIA | Microphones ELECTRET CONDENSER MICROPHONE -37DB | MIC COND ANALOG OMNI -45DB |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio, Inc. |
| Product Category | Microphones | Microphones | Microphones |
| RoHS | Y | Y | - |
| Directional Properties | Omnidirectional | Omnidirectional | - |
| Impedance | 2.2 kOhms | 2.2 kOhms | 2.2 kOhm |
| Current Rating | 500 uA | 500 uA | - |
| Sensitivity | - 37 dB | - 50 dB | -45dB ±3dB |
| Termination Style | Solder Pad | Solder Pad | - |
| IP Rating | - | - | - |
| Diameter | 4 mm | 4 mm | - |
| Length | 4 mm | 4.5 mm | - |
| Width | 4 mm | 4.5 mm | - |
| Depth | 1.5 mm | 3 mm | - |
| Operating Supply Voltage | 2 V | 3 V | - |
| Packaging | Bulk | - | Bulk |
| Series | TOM | HD Series | TOM |
| Brand | PUI Audio | PUI Audio | - |
| Product Type | Microphones | Microphones | - |
| Factory Pack Quantity | 100 | 100 | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Type | - | - | Electret Condenser |
| Termination | - | - | Solder Pads |
| Voltage Rated | - | - | 2V |
| Current Supply | - | - | 500μA |
| Port Location | - | - | Top |
| Size Dimension | - | - | 4.00mm Dia |
| Output Type | - | - | Analog |
| Direction | - | - | Omnidirectional |
| Frequency Range | - | - | - |
| S N Ratio | - | - | 60dB |
| Seal Rating | - | - | None |
| Height Max | - | - | 1.70mm |
| Shape | - | - | Circular |