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| PartNumber | ROM-2238P-NF | ROM-2235P-HD-R | ROM-2235L-HD-R |
| Description | Microphones 2.2kOhm x 5.8mm | Microphones ELECTRET CONDENSER MICROPHONE -35DB | MIC COND ANLG OMNI -35DB 5.8MM D |
| Manufacturer | PUI Audio | PUI Audio | - |
| Product Category | Microphones | Microphones | - |
| RoHS | N | Y | - |
| Directional Properties | Omnidirectional | Omnidirectional | - |
| Impedance | 2.2 kOhms | 2.2 kOhms | - |
| Sensitivity | - 38 dB | - 46 dB | - |
| Termination Style | Solder Pin | Solder Pad | - |
| IP Rating | - | - | - |
| Diameter | 5.8 mm | 5.8 mm | - |
| Depth | 2.2 mm | 3 mm | - |
| Operating Supply Voltage | 2 V | 2 V | - |
| Mounting | Pin | - | - |
| Series | ROM | HD Series | - |
| Brand | PUI Audio | PUI Audio | - |
| Product Type | Microphones | Microphones | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Current Rating | - | 500 uA | - |
| Length | - | 4.5 mm | - |
| Width | - | 4.5 mm | - |
| Factory Pack Quantity | - | 100 | - |