| Model Number |
| EFM-240 |
TFM-51HA |
| Model Name |
| East Electronics EFM-240 |
East Electronics TFM-51HA |
| Category |
| Buzzers |
Buzzers |
| Brand |
| East Electronics |
East Electronics |
| Description |
| 90dB 2.8kHz Plugin,D=30.2mm Buzzers ROHS |
70dB 2kHz Plugin,D=22mm Buzzers ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 1.000 grams / 0.035274 oz |
1.000 grams / 0.035274 oz |
| Package / Case |
| Plugin,D=30.2mm |
Plugin,D=22mm |
| Package / Arrange |
| Tray |
Tray |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Height |
| 14.5mm |
10.8mm |
| Sound Pressure Level (SPL) |
| 90dB |
70dB |
| Oscillator Circuit |
| - |
N/A |
| Diameter (φD) |
| 30.2mm |
22mm |
| Technology Type |
| - |
N/A |
| Operating Voltage |
| 3V~20V |
3V~15V |
| Operating Temperature |
| -20℃~+70℃ |
-20℃~+70℃ |
| Frequency |
| 2.8kHz |
2kHz |
