从China供应商批发进口Ultra Small Smd Electromagnetic Buzzer — FOB条款

Product introduction and application * main products: integrated precision electroacoustic devices, including electronic buzzer, as a warning function for different electronic devices. * features: small and thin, with exquisite workmanship and high production efficiency. We try to meet the trend of making electronic products ultimate small and thin. * applications: it can be widely used for cell phone accessories, tablet personal computer accessories, bluetooth system devices, bank payment system, terminal device of internet of things, wearable smart devices, gps system, medical devices, etc Description of smd magnetic buzzer: 1. Lcp is applied as housing material with properties including heat resistance and acid-alkali resistance 2. Well-chosen yellow grass is applied as lead pin material in order to provide best welding property to the product. 3. Tiny size of the product adapts to more multiple pcb space design.It meets the trend of making electronic products ultimately small and thin. 4. Mature smd design perfectly meets the smt requirements which greatly improved welding efficiency. 5. Steadily effective distance of sound output is very suitable for a wide range of portable electronic devices 6. Rated square wave output and rated voltage are needed 7. Rohs directive-compliant Technical parameters of klj-4020 smd magnetic buzzer Oscillation frequency(hz): 4000 Operating voltage(vp-p) : 2.0-4.0 Rated voltage(vp-p) : 3.0 Current consumption(ma/max):110 at rated voltage Sound pressure level(db/min) :73 at 10cm at rated voltage Coil resistance(î©) : 12â±2 Operating temperature(-20~ +85 Storage temperature( -30 ~ +85 Environment compulsory standard: rohs Ps: vp-p=1/2duty, square wave Audible distance at rated vol. : 0.5-1m Application: mini type smart electronic devices, such as wearable smart devices, artificial intelligence devices and more. -