9V Ac Piezo buzzer pour machine à laver 24mm 3.8khz piezo buzzers self-drive

Customer:

Part No:

Product: Piezoelectric Buzzers

SWT Part No: PSS2411+3409PA

Technical Terms

Rated Voltage (VDC)

9

Operating Voltage (VDC)

3 to 15

Max. Current Consumption (mA)

12

Min. Sound Output at 10cm(dB)

85

Resonant Frequency (KHZ)

3.4±0.5

Operating Temperature (°C)

-20+60

Storage Temperature (°C)

-30+70

Dimensions (mm)

See the Drawing

Weight (g)

3.0

Housing Material

ABS

Buzzer

 Soldering process

Soldering  Parameter

Temp.( °C )

Time(Sec.)

Times

Lead Free

Reflow soldering

245±15

above  180°C time 40~70

3

Wave soldering

260±5

4 to 8

2 to 3

Manual soldering

350±10

1 to 3

2 to 3

NO

Item

Test Condition And Requirement

1

High Temperature

Test (Storage)

After being placed in a chamber with +80±2°C for 240 hours and then being placed in natural condition for 2 hours.

Allowable variation of SPL after test: ±10dB.

2

Low Temperature

Test (Storage)

After being Placed in a chamber with -40±3°C for 240 hours and then being placed in natural condition for 2 hours.

Allowable variation of SPL after test: ±10dB.

3

Humidity Test

After being Placed in a chamber with 90±3%R.H. at 60±5°Cfor 240 hours and then being placed in natural condition for 2 hours.

Allowable variation of SPL after test: ±10dB.

4

Temperature Cycle

Test

After being placed in a chamber with -30±2°C for 30 minutes, products shall be placed at room temperature(+25±2°C).After 15 minutes at this temperature, products shall be placed in a chamber at +80±2°C.After 30 minutes at this temperature, products shall be return to room

temperature (+25±2°C) for15 minutes. After 5 above cycles, products shall be measured after being placed in natural condition for 2 hours.

Allowable variation of SPL after test: ±10dB.

5

Drop Test

Drop on a hard wood board of 3cm thick, any directions, 3 times, at the height of 100cm.

Allowable variation of SPL after test: ±10dB.

6

Terminal Strength

Pulling Test

The force of 9.8N is applied to each terminal in axial direction for 10 seconds.

No visible damage and cutting off.