手机受话器

型号:SD-150 阻*:150（Ω）外形尺寸:38（mm）种类:送、受话器

ITEMS.		SPECIFICATIONS
1	T*e	Dynamic receiver unit
2	Dimension.	External diameter 38 mm
3	Sensitivity (S.P.L)	93 dB &plu*n;3 dB at 1kHz 60mV with IEC 318 coupler
4	Frequency Response.	Refer to frequency response chart.
5	Impedance.	150 Ohm &plu*n;20% at 1KHz
6	Magnet Field Intensity.	Axial – dB , Radial –dB at 1KHz
7	Max. Input Power.	Must be normal at a white noise , 50mW for 1 minute.
8	Weight.	35g &plu*n;2g
9	Appearance.	Should not exist any obstacle to be harmful to normal operation: damages, cracks, rusts, and distortions, etc.
10	Buzz, Rattle, Etc.	Should not be audible at 1V sine wave between 300 Hz to 3.4 kHz.
11	Terminal Strength.	Capable of withstanding 1 kg load for 15 sec without resulting in any damage or rejection.
12	Load Test.	1mW white noise (-filter) is applied for 72 hours satisfy the tests listed on item 03,04,09, and10

供应手机受话器