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參數(shù)資料
| 型號(hào)： | SD1209T3-A1 |
| 廠商： | TDK Corporation |
| 文件頁(yè)數(shù)： | 5/5頁(yè) |
| 文件大小： | 0K |
| 描述： | BUZZER MAGNET 2048HZ 12MM PC MNT |
| 產(chǎn)品培訓(xùn)模塊： | Piezoelectric and Electromagnetic Buzzers |
| RoHS指令信息： | RoHS Material |
| 產(chǎn)品目錄繪圖： | SD1209T(3,5) Side |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 系列： | SD |
| 驅(qū)動(dòng)器電路： | 傳感器，外部驅(qū)動(dòng) |
| 技術(shù)： | 磁性 |
| 輸入類型： | 零-峰值信號(hào) |
| 電壓 - 額定： | 3Vo-p |
| 電壓范圍： | 1 ~ 4V |
| 頻率： | 2.048kHz |
| 工作模式： | 連續(xù) |
| 聲壓級(jí)： | 89dB @ 3V，10cm |
| 電流 - 電源： | 60mA |
| 可清洗： | 無(wú) |
| 安裝類型： | 通孔 |
| 端子： | PC 引腳 |
| 尺寸/尺寸： | 圓形 - 12.00mm 直徑 x 9.00mm H |
| 包裝： | 托盤 |
| 工作溫度： | -40°C ~ 85°C |
| 產(chǎn)品目錄頁(yè)面： | 2656 (CN2011-ZH PDF) |
| 其它名稱： | 445-2530 445-2530-1 445-2530-1-ND |
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006-03 / 20130201 / ec211_sd.fm
All specifications are subject to change without notice.
SAFETY PRECAUTIONS FOR USING TDK ELECTROMAGNETIC BUZZER
Please be sure to read the specifications of TDK Electromagnetic Buzzer(hereinafter referred to as “the buzzer”) before use.
Please pay sufficient attentions to the warnings for safe
designing when using the buzzer.
Incorrect usage may cause smoke or fire.
Do not make sound on the buzzer when it is close to ears.
Listening to the buzzer when it is close to ears, or continuant lis-
tening to it for an extended period, may result in hearing disor-
ders.
Thoroughly warn consumers not to turn on the sound when the
buzzer is close to ears.
Do not exceed the rated operation voltage range when using the
buzzer.
If it is exceeded beyond the rated operation voltage, a built-in coil
may generate heat, resulting in deterioration of the coil, which
may cause a drop in sound pressure or a change in the terminal
resistance value.
If a rare short circuit occurs due to heat generated in the built-in
coil, a large electrical current flows to the equipment used, pos-
sibly causing it to emit smoke or fire.
The buzzer is a magnetic type sounder.
Do not use it for any other purpose than a sound generation.
Do not use the buzzer in other than atmospheric air.
Do not use the buzzer in the following environments (excluding
cases in which countermeasures are taken).
Corrosive gases (Cl2, NH3, SOx, NOx, etc.)
Places to be exposed to dust.
Places where rain, fog, salt water, and the like will get on the
buzzer.
After installing the buzzer when designing an apparatus, confirm
that there are no abnormalities by performing a reliability
evaluation test.
Do not exceed the rated operating temperature range when
using the buzzer.
Do not use for an extended period at relative humidity in excess
of 90% (maximum wet-bulb temperature of 38°C).
When using the buzzer for a safety device or warning device,
take all surest measures such as providing a safety circuit or the
joint use of another sounder with equivalent characteristics in
order to prevent accidents.
The buzzer may be influenced by electromagnetic waves,
voltage changes, and ripple voltage.
Check the buzzer in the mounted condition, and take measures
such as safety circuits, shielding, etc.
If the buzzer is molded or secured by adhesives, thermal
expansion stresses from the mold or adhesive agent may cause
deterioration in a soldered terminal part.
Before molding or securing an adhesive, consider the type,
amount, hardening conditions, adhesive properties, etc., of the
sealing material, and confirm the reliability.
Do not apply vibrations or shocks (such as dropping) larger than
the specified.
Do not bend the terminal pin when soldering to install on a circuit
board.
Do not apply larger than the specified force to the terminal pin.
Do not apply force to the terminal pin at high temperatures
(when soldering).
When soldering a terminal pin, perform the soldering in clean
conditions without contamination or rust in order to avoid poor
connections.
When performing dip soldering directly for installing on a printed
circuit board, be careful so that smoke from the flux, or other
foreign materials, will not get into the sound emission hole.
Do not clean(excluding products that can be cleaned).
With regards to devices in which the consumers can touch the
buzzer, thoroughly warn consumers not to put foreign materials
(such as needles, hairpins, garbage, etc.) into the sound
emission hole.
As the buzzer uses a coil, it has an inductive load.
Protect the drive circuit by putting the diodes in parallel into the
buzzer.
Do not reconfigure the buzzer.
Sound pressure changes depending on the shape of the part to
be installed in a device, or the installation location.
Check the buzzer in the mounted condition.
The buzzer has polarities.
When installing, be careful not to make a mistake with the polar-
ities. Incorrect polarities will cause the following irregularities.
Without circuit type: Differences in sound pressure will be
created.
With circuit type: No sound will be generated.
Frequencies other than the rated frequency will change the
characteristics (sound pressure), and may cause wide
unevenness.
As the buzzer uses a magnet, it generates a surrounding
magnetic field.
When designing a device, etc., confirm that there are no irregu-
larities due to the magnetic field.
The characteristics of the buzzer may change because of the
influence of an outside magnetic field.
Check the buzzer in the mounted condition, and take measures
such as shielding, etc.
Because of deterioration or damage, maintain in rated storage
temperature range, avoid environments where there are sudden
temperature changes, direct sunlight, corrosive gases and dust,
and store wrapped in order to avoid applying stresses.
RECOMMENDED OPERATING CIRCUIT EXAMPLE
VCC
Buzzer
R
Q
Oscillator
circuit
D
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