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Extra-Thin Piezo SMD Buzzer HYG1109A - High Sound Pressure from China Manufacturers, Reliable Factory Suppliers

Features:

Compact, slim design ideal for portability

Exceptional sound pressure level delivering crystal-clear audio

Reflow compatible for efficient manufacturing

Available on tape & reel for easy distribution

As a leading supplier and factory in China, we pride ourselves on providing high-quality audio components that meet the needs of modern applications. Our small and lightweight products are engineered for outstanding performance, making them perfect for a variety of uses.

    ⚡ Electrical Characteristics
    Operating Voltage Max 25Vp-p
    Current Consumption Max 3.5mA at 5Vp-p / Square Wave / 4.1KHz
    Sound Pressure Level Min 65dB at 10cm / 5Vp-p / Square Wave / 4.1KHz
    Electrostatic Capacity 12000 ± 30% pF at 1KHz / 1V
    Operating Temperature (℃) -20 ~ +70
    Storage Temperature (℃) -30 ~ +80
    Dimension L11.0 × W9.0 × H1.7 mm

    PS: Vp-p = 1/2 duty, square wave

    📐 Dimensions and Material
    695c7ce81ec0c88819.jpg

    Taking advantage of extensive acoustic and mechanical design technology and high performance ceramics, SMD piezoelectric sounders suit the thin, high-density design of electronic equipment.

    🌟 Features
    • Small, thin and lightweight
    • High sound pressure level and clear sound
    • Reflowable
    • Tape & Reel supply
    🔧 Applications
    • Various office equipment such as PPCs, printers and keyboards
    • Home appliances such as microwave ovens, rice cookers, etc.
    • Confirmation sound of various audio equipment
    🔩 Notice (Soldering and Mounting)
    1. Mounting
    When mounting a pin terminal type of product to the printed circuit board, please insert the pin terminal along the hole of the board. If the product is pressed so that the terminal is not in the hole, the pin terminal would be pushed into the inside of the product and the sounds might become unstable.
    2. Double-sided through-hole Board
    Please avoid using a double-sided through-hole board. If the melted solder touched the base of a pin terminal, a part of the plastic case would melt and the sounds might become unstable.
    3. Soldering Conditions

    (1) Flow soldering conditions for pin terminal type

    · Temperature: within 260°C ± 5°C
    · Time: within 10 ± 1 sec.
    · Soldering part is the lead terminals excluding 1.5mm from product body.

    (2) Please do not store the products directly on the floor without anything under them to avoid damp places and/or dusty places.

    (3) Please do not store the product in places such as in a damp heated place or any place exposed to direct sunlight or excessive vibration.

    (4) Please use the products immediately after the package is opened, because the characteristics may be reduced in quality, and or be degraded in solderability due to storage under poor conditions.

    (5) Please be sure to consult with our sales representative or engineer whenever the products are to be used in conditions not listed above.

    4. Operating Environment
    hydz extra-thin piezo smd buzzer HYG1109A01

    This product is designed for application in an ordinary environment (normal room temperature, humidity and atmospheric pressure). Do not use the products in a chemical atmosphere such as chlorine gas, acid or sulfide gas. Characteristics might degrade by a chemical reaction with the material used in products.

    (2) Soldering condition by soldering iron for pin terminal type

    · Temperature: within 350 ± 5°C
    · Time: within 3.0 ± 0.5 sec.
    · Soldering part is the lead terminals excluding 1.5mm from product body.

    (3) Reflow soldering condition for surface mounting type

    · Temperature profile: Fig. 1
    · Number of times: Within 2 maximum
    5. Washing
    Please avoid washing, since this product is not a sealed structure.
    6. After Mounting the Product

    (1) If the product is floating from the printed circuit board, please do not push it. When pressing, the pin terminal is pushed inside the product and the sounds might become unstable.

    (2) Please do not apply force (shock) to the product. If force is applied, the case might come off.

    (3) If the case comes off, please do not reassemble. Even if it seems to have returned to the original, the sounds might become unstable.

    (4) Please do not blow air onto the product directly. Blown air applies force to the piezoelectric diaphragm through the sound emission hole; cracks could occur and then the sounds could become unstable. In addition, there is a possibility that the case could come off.

    🤲 Notice (Handling)

    1. Piezoelectric ceramic is used in this product. Please use care in handling, because ceramic is broken when excessive force is applied.

    2. Please do not apply force to the piezoelectric diaphragm from the sound emission hole. If applying force, cracks occur and the sounds might become unstable.

    3. Please do not drop the product or apply shock or temperature change to it. If so, the LSI might be destroyed by the charge (surge voltage) generated. Shows an example driving circuit using zener diode.

    hydz extra-thin piezo smd buzzer HYG1109A02
    ⚙️ Notice (Driving)

    1. Ag migration might occur if DC voltage is applied to the product under a high humidity environment. Please avoid using it under high humidity and design the circuit not to apply DC voltage.

    2. When driving the product by IC, please insert the resistance of 1 to 2kΩ in series. The purpose is to protect the IC and to obtain stable sound. (Please see Fig. 2a). Inserting a diode in parallel to the product has the same effect. (Please see Fig. 3b)

    3. Flux or Coating Agent, etc., Various Solvents — It is possible for a liquid solvent to penetrate inside the product, since this product is not a sealed structure. If a liquid penetrated inside and attached to the piezoelectric diaphragm, its vibration could be inhibited. If attaching to an electrical junction, the electric connection might fail. To prevent sound instability, please do not allow liquid to penetrate inside the product.

    hydz extra-thin piezo smd buzzer HYG1109A03
    ❓ Frequently Asked Questions
    What is the maximum operating voltage for this SMD piezoelectric sounder?
    The maximum operating voltage is 25Vp-p (where Vp-p = 1/2 duty, square wave). Exceeding this voltage may damage the product or cause unstable sound output.
    Can this piezoelectric sounder be mounted using reflow soldering?
    Yes, this product supports reflow soldering for surface mounting. The reflow process should follow the recommended temperature profile (Fig. 1) and should not exceed 2 passes maximum.
    What operating temperature range is this product suitable for?
    The product operates reliably within a temperature range of -20°C to +70°C. For storage, it can withstand temperatures from -30°C to +80°C. Avoid exposure to direct sunlight, excessive heat, or extreme vibration during storage.
    Is this SMD buzzer waterproof or washable after PCB assembly?
    No. This product is not a sealed structure, so washing should be avoided. Liquid solvents, flux, or coating agents can penetrate inside and inhibit the piezoelectric diaphragm's vibration, leading to sound instability or electrical failure.
    How should I drive this piezoelectric sounder when using an IC?
    When driving with an IC, insert a series resistance of 1 to 2kΩ to protect the IC and ensure stable sound output. Alternatively, a diode connected in parallel to the product achieves the same protective effect. Also, avoid applying DC voltage under high humidity to prevent Ag migration.
    What are the typical applications for this SMD piezoelectric sounder?
    This sounder is widely used in office equipment (printers, keyboards, PPCs), home appliances (microwave ovens, rice cookers), and as confirmation tones in various audio equipment. Its small, thin, and lightweight form factor makes it ideal for high-density electronic designs.