- Model NO.: SMT4020
- Transmission Mode: Air-conduction
- Transducer Principle: Electrostatic Earphone
- Radiation Mode: Direct Radiation Type
- WORD nChannels: 5.1Channel
- Brand: Fbele
- Operating Voltage: 2 ~ 4vo-P
- Sound Pressure Level: Min. 70dB
- Transport Package: Standard Export Carton
- Origin: Ningbo
- Category: Buzzer
- Cone: Rubber-edge
- Style: In-ear
- Usage: Expand Volume
- Certification: ISO9001, CCC, CE
- Rated Voltage: 3vo-P
- Current Consumption: Max. 90mA
- Trademark: FBELE
- Specification: ROHS
- HS Code: 8531809000
| Item | Unit | Specification | Condition |
| Oscillation Frequency | Hz | 4000 | Vo-p=1/2duty , square wave |
| Operating Voltage | Vo-p | 2 ~ 4 | Â |
| Rated Voltage | Vo-p | 3 | Â |
| Current Consumption | mA | MAX. 90 | at Rated Voltage |
| Sound Pressure Level | dB | MIN. 70 | at 10cm at Rated Voltage |
| Coil Resistance | Ω | 17±3 |  |
| Operating Temperature | ºC | -20 ~ +70 |  |
| Storage Temperature | ºC | -30 ~ +80 |  |
| Dimension | mm | 4.0 x 4.0 x H2.0 | See appearance drawing |
| Weight (MAX) | gram | 0.1 | Â |
| Housing Material | Â | LCP( Black ) | Â |
| Leading Pin | Â | Â Tin Plated Brass(Sn) | See appearance drawing |
|
Environmental  Protection Regulation |
 |  RoHS |  |
FBELE Company, (Ningbo Best Group Co., Ltd. ) are Chinese leading manufacturer and distributor in electronic components. We can offer quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc.
Fast is our principle, our normal delivery time as below:
Sample delivery date is: 1-3days.Â
Production delivery time: 7-10days.Â
New product development: 15-20days
Our Company Advantage:
1, Reliability production
2, Famouse Brand "FBELE", Best Reputation
3, well experienced R&D engineer
4, Effective working Team
5, Aggressive Price
6, Constant New products
Don't hesitate, E-mail us immediately now.
you will get your best solution.
40 port USB charger
This 40 port USB charger provides a load of the fastest port 2.4 AMP or 20 AMP per port, which allows multiple devices at the same time, and is compatible with iPhone/13/12/11/compatible with XS/XS Max/XR/X/X/X/ 8/7/6s/6s/iPad Pro/Air 2/mini and other desktops, Kindle Smart TEPHONE, USB audio, Bluetooth headset and other 5V devices. At the same time, this 40 -port USB charger has a wide range of applications, such as: iPad, iPhone, Bluetooth headsets, tablets, etc. are widely used.40 Port Usb Charger,Usb Power Strip,Multiple Usb Charger,40 Port Multiple Usb Chargers
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