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| Part Number | GD30-31488-000 | GD30-31593-000 | GD30-31527-000 | GD30-31879-000 | GD30-32663-000 |
| Manufacturer | Knowles | Knowles | Knowles | Knowles | Knowles |
| Series | GD30 | GD | GD | - | - |
| Packaging | Bulk | Tray | Tray | Bulk | Bulk |
| Product Status | Active | Active | Active | Active | Active |
| Technology | Magnetic | Magnetic | Magnetic | - | - |
| Type | Receiver, Balanced Armature | Receiver, Balanced Armature | Receiver, Balanced Armature | - | - |
| Frequency Range | 100 Hz ~ 6.7 kHz | 100 Hz ~ 6.7 kHz | 100 Hz ~ 6.7 kHz | - | - |
| Frequency - Self Resonant | - | - | - | - | - |
| Impedance | 281 Ohms | 223 Ohms | 144.4 Ohms | - | - |
| Efficiency - dBA | 100.00 | 100.00 | 100.00 | - | - |
| Efficiency - Testing | - | - | - | - | - |
| Efficiency - Type | Sound Pressure Level (SPL) | Sound Pressure Level (SPL) | Sound Pressure Level (SPL) | - | - |
| Power - Rated | - | 10 mW | 10 mW | - | - |
| Power - Max | 10 mW | 50 mW | 50 mW | - | - |
| Port Location | Top | Top | Top | - | - |
| Shape | Rectangular | Rectangular | Rectangular | - | - |
| Material - Cone | - | - | - | - | - |
| Material - Magnet | - | - | - | - | - |
| Ingress Protection | - | - | - | - | - |
| Ratings | - | - | - | - | - |
| Termination | Solder Pads | Solder Pads | Solder Pads | - | - |
| Size / Dimension | 0.240" L x 0.126" W (6.10mm x 3.20mm) | 0.240" L x 0.126" W (6.10mm x 3.20mm) | 0.240" L x 0.126" W (6.10mm x 3.20mm) | - | - |
The following parts include "GD30-31879-000" in Silicon Labs GD30-31879-000.
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