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電磁式蜂鳴器FMB09A03

產(chǎn)品名稱 : FMB09A03

類型 : 電磁式蜂鳴器

驅(qū)動方式 : 有源蜂鳴器

工藝 : 插針蜂鳴器

尺寸范圍 : 5-10mm

詳細說明：

A. SCOPE
This specification applies magnetic buzzer, FMB09A03

B. SPECIFICATION

No.	Item	Unit	Specification	Condition
1	Oscillation Frequency	KHz	2.7 ± 0.3
2	Operating Voltage	VDC	2 ~ 4.2
3	Rated Voltage	VDC	3
4	Current Consumption	mA	MAX. 30	at Rated Voltage
5	Sound Pressure Level	dB	MIN. 80	at 10cm at Rated Voltage
6	Tone/Pulse Rate		Constant
7	Operating Temperature	℃	-20 ~ +70
8	Storage Temperature	℃	-30 ~ +80
9	Dimension	mm	Φ9.0 x H5.5	See appearance drawing
10	Weight (MAX)	gram	1.0
11	Housing Material		PPO( Black )
12	Leading Pin		Tin Plated Brass(Sn)	See appearance drawing
13	Environmental Protection Regulation		RoHS

C. APPEARANCE DRAWING
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Tol : ± 0.5 Unit: mm

D.TESTING METHOD

Standard Measurement conditions
Temperature:25±2℃ Humidity:45-65%

Acoustic Characteristics:
The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below

20151229193932815_副本

In the measuring test, buzzer is placed as follows:
TESTING METHOD-2

E. VOLTAGE / CURRENT / SOUND PRESSURE CHARACTERISTICS
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F. RELIABILITY TEST

NO.	ITEM	TEST CONDITION AND REQUIREMENT
1	High Temperature Test (Storage)	After being placed in a chamber with 802℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: 10dB.
2	Low Temperature Test (Storage)	After being Placed in a chamber with -302℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: 10dB.
3	Humidity Test	After being Placed in a chamber with 90-95% R.H. at 402℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: 10dB.
4	Temperature Cycle Test	The part shall be subjected to 5 cycles. One cycle shall be consist of: Allowable variation of SPL after test: 10dB.
5	Drop Test	Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm . Allowable variation of SPL after test: 10dB.
6	Vibration Test	After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours . Allowable variation of SPL after test: 10dB.
7	Solderability Test	Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +3005℃ for 31 seconds . 90% min. lead terminals shall be wet with solder (Except the edge of terminals).
8	Terminal Strength Pulling Test	The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds. No visible damage and cutting off.