| PartNumber | AI-3018-TWT-R | AI-3035-TWT-3V-R | AI-3039-TWT-12V-R |
| Description | Audio Indicators & Alerts 87 dBA 12VDC 1800Hz | Audio Indicators & Alerts 3VDC 9MA 100DBA 3500HZ | Audio Indicators & Alerts 12VDC 15MA 100DBA 3900HZ |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio, Inc. |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Buzzers |
| RoHS | Y | Y | - |
| Product | Indicators | Indicators | Indicators |
| Type | Audio Indicator | Audio Indicator | - |
| Sound Pressure Level | 87 dBA | 100 dBA | 100dB @ 12V, 10cm |
| Tone | Continuous | Continuous | Continuous |
| Frequency | 1.8 kHz | 3.5 kHz | 3.9kHz |
| Voltage Rating | 12 V | 3 V | 12 VDC |
| Current Rating | 18 mA | 9 mA | 15 mA |
| IP Rating | - | - | - |
| Dimensions | 30 mm L x 30 mm W x 17.5 mm H | 30 mm L x 30 mm W x 20.5 mm H | 30 mm L x 30 mm W x 20 mm H |
| Mounting | Through Hole | Through Hole | Through Hole |
| Height | 17.5 mm | 20.5 mm | 20 mm |
| Length | 30 mm | 30 mm | 30 mm |
| Packaging | Bulk | Tray | Tray |
| Series | AI | AI | AI |
| Width | 30 mm | 30 mm | 30 mm |
| Brand | PUI Audio | PUI Audio | - |
| Height in | 0.689 in | 0.787 in | - |
| Height mm | 17.5 mm | 20 mm | - |
| Length in | 1.181 in | 1.181 in | - |
| Length mm | 30 mm | 30 mm | - |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts | - |
| Factory Pack Quantity | 140 | 50 | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Width in | 1.181 in | 1.181 in | - |
| Width mm | 30 mm | 30 mm | - |
| Termination | - | - | PC Pins |
| Driver Circuitry | - | - | Indicator, Internally Driven |
| Technology | - | - | Piezo |
| Input Type | - | - | DC |
| Voltage Rated | - | - | 12VDC |
| Voltage Range | - | - | 3 ~ 24V |
| Operating Mode | - | - | Continuous |
| Current Supply | - | - | 15mA |
| Operating Temperature | - | - | -20°C ~ 80°C |
| Washable | - | - | Yes |
| Port Location | - | - | Top |
| Mounting Type | - | - | Through Hole |
| Size Dimension | - | - | 30.0mm Dia x 20.0mm H |
| Length in | - | - | 1.181 in |
| Length mm | - | - | 30 mm |
| Width in | - | - | 1.181 in |
| Width mm | - | - | 30 mm |