| Model Number |
| EFM-390B |
SFM-1740S |
| Model Name |
| East Electronics EFM-390B |
East Electronics SFM-1740S |
| Category |
| Buzzers |
Buzzers |
| Brand |
| East Electronics |
East Electronics |
| Description |
| 90dB 3.8kHz Plugin,D=24mm Buzzers ROHS |
85dB 4kHz Plugin,17.7x17.7mm 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=24mm |
Plugin,17.7x17.7mm |
| Package / Arrange |
| Tray |
Tray |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Height |
| 11mm |
7.6mm |
| Sound Pressure Level (SPL) |
| 90dB |
85dB |
| Oscillator Circuit |
| - |
- |
| Diameter (φD) |
| 24mm |
N/A |
| Technology Type |
| - |
- |
| Operating Voltage |
| 3V~20V |
6V~16V |
| Operating Temperature |
| -20℃~+70℃ |
-20℃~+70℃ |
| Frequency |
| 3.8kHz |
4kHz |
