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SMD Type 3.6V Passive Magnetic Buzzer For Warning Tone Handheld Terminal 85 dB Output

CHANGZHOU MANORSHI ELECTRONICS CO.LTD.
CHANGZHOU MANORSHI ELECTRONICS CO.LTD.
City: Changzhou
Province/State: Jiangsu
Country/Region: China
Tel: 86-519-89185720
Contact Person:
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SMD Type 3.6V Passive Magnetic Buzzer For Warning Tone Handheld Terminal 85 dB Output

Brand Name : MANORSHI
Model Number : SM09ET04B
Certification : ISO, CE, ROHS
Place of Origin : Jiangsu China
MOQ : 1000PCS
Price : Negotiable
Payment Terms : L/C, T/T, Western Union, By Paypal
Supply Ability : 1000000PCS/MONTH
Delivery Time : 2-3 weeks
Packaging Details : Export Standard Package
Type : SMD For Warning Tone
Voltage : 1.5V 3.6V 5V For Warning Tone
Housing material : LCP
Weight : 0.6g
Rate Frequency : 2700Hz For Warning Tone
Color : Black
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SMD Type 3.6V Passive Magnetic Buzzer For Warning Tone Handheld Terminal 85 dB Output


Quick Detail:


1. Size:9mm*9mm*4.5mm


Specifications


Type

Unit

SM09ET04B-1

SM09ET04B-3

SM09ET04B-5

Rated Voltage

v

1.5

3.6

5

Operating Voltage

v

1~2

2.5~4.5

4~7

Rated Current(max)

mA

80

70

70

Sound output at 10cm

dB

80

85

85

Rate Frequency

Hz

2700

Coil Resistance

Ω

5.5±1

16±3

32±5

Operating temperature

-30~+70

Storage Temperature

-40~+85

Housing material

LCP

Weight

g

0.8


Frequency curve



Drawing(mm)



Tell you how to choose a buzzer.

Here’re many different kinds of buzzer to choose.Firstly we need to know a few parameters, such as voltage, current, drive method, dimension, mounting type, and the most important thing is how much SPL and frequency we want.

Operating voltage: Normally, the operating voltage for a magnetic buzzer is from 1.5V to 24V, for a piezo buzzer is from 3V to 220V. We suggest you at least 9V to drive a piezo buzzer.

Consumption current: According to the different voltage, the consumption current of a magnetic buzzer is from dozens to hundreds of mill amperes.Oppositely, the piezo type saves much more electricity, only needs a few mill amperes, and consumes three times current when the buzzer start to work.

Driving method: Because of the internal set drive circuit, the self-drive buzzer can emit sound as long as connecting with the direct current. Due to the different work principle, the magnetic buzzer need to be driven by 1/2 square waves, and the piezo buzzer need square waves to get better sound output.

Dimension: The dimension of the buzzer affects its SPL and the frequency, the dimension of the magnetic buzzer is from 7 mm to 25 mm; the piezo buzzer is from 12 mm to 50 mm, or even bigger.

Connecting way: Wire type, SMD type, and pin type for piezo buzzer are usually seen.

SPL: Buzzer is usually tested the SPL at the distance of 10 cm.If distance is double, the SPL will decay about 6 dB.Oppositely, the SPL will increase 6 dB when the distance is shortened by one time. The SPL of the magnetic buzzer can reach to around 85 dB/ 10 cm; the piezo buzzer can be designed to emit very loud sound.For example, the common siren, are mostly made of piezo buzzer.



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