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⚡ Electrical Characteristics
| Part No：HYR-1404P | ||
| 1 | Resonance Frequency (KHz) | 4.0 |
| 2 | Max Input Voltage (Vp-p) | 25 |
| 3 | Capacitance at 120Hz (nF) | 15,000±30% at 1000Hz |
| 4 | Sound Output at 10cm (dB) | ≥80 at 4.0KHz Square Wave 5Vp-p |
| 5 | Current Consumption (mA) | ≤5 at 4.0KHz Square Wave 5Vp-p |
| 6 | Operating Temperature (℃) | -20～+70 |
| 7 | Storage Temperature (℃) | -30～+80 |
| 8 | Weight (g) | 0.7 |
| 9 | Housing Material | Black PBT |
📐 Dimensions and Material (unit: mm)
📏
Tolerance：±0.5mm Except Specified
⚠️ Notice (Handling)
- ⚡ Do not apply DC bias to the piezoelectric buzzer; otherwise insulation resistance may become low and affect the performance.
- 🔋 Do not supply any voltage higher than applicable to the piezoelectric buzzer.
- 💧 Do not use the piezoelectric buzzer outdoors. It is designed for indoor use. If the piezoelectric buzzer has to be used outdoors, provide it with waterproofing measures; it will not operate normally if subjected to moisture.
- 🧴 Do not wash the piezoelectric buzzer with solvent or allow gas to enter it while washing; any solvent that enters it may stay inside a long time and damage it.
- 🔬 A piezoelectric ceramic material of approximately 100µm thick is used in the sound generator of the buzzer. Do not press the sound generator through the sound release hole otherwise the ceramic material may break. Do not stack the piezoelectric buzzers without packing.
- 🔧 Do not apply any mechanical force to the piezoelectric buzzer; otherwise the case may deform and result in improper operation.
- 🔊 Do not place any shielding material or the like just in front of the sound release hole of the buzzer; otherwise the sound pressure may vary and result in unstable buzzer operation. Make sure that the buzzer is not affected by a standing wave or the like.
- 🔩 Be sure to solder the buzzer terminal at 350°C max. (80W max.) (soldering iron tip) within 5 seconds using a solder containing silver.
- ☣️ Avoid using the piezoelectric buzzer for a long time where any corrosive gas (H₂S, etc.) exists; otherwise the parts or sound generator may be corroded and result in improper operation.
- 📦 Be careful not to drop the piezoelectric buzzer.
❓ Frequently Asked Questions
Q
What is the resonance frequency of the HYR-1404P piezoelectric buzzer?
The HYR-1404P operates at a resonance frequency of 4.0 KHz, making it suitable for standard alarm and notification applications requiring a clear and consistent tone.
Q
What is the maximum input voltage for the HYR-1404P?
The maximum input voltage is 25 Vp-p. Supplying a voltage higher than this rated value may damage the buzzer and void any warranty.
Q
Can the HYR-1404P piezoelectric buzzer be used outdoors?
The HYR-1404P is designed for indoor use only. If outdoor deployment is required, adequate waterproofing measures must be applied, as moisture exposure can cause abnormal operation or permanent damage.
Q
What are the operating and storage temperature ranges?
The operating temperature range is -20℃ to +70℃, and the storage temperature range is -30℃ to +80℃. Operating outside these ranges may affect performance or cause damage.
Q
What soldering conditions are recommended for the HYR-1404P?
Soldering should be performed at a maximum temperature of 350°C (max. 80W soldering iron) within 5 seconds, using a solder that contains silver to ensure a reliable and safe connection.
Q
What is the sound output level of the HYR-1404P and what is the housing material?
The sound output is ≥80 dB measured at 10 cm under a 4.0 KHz square wave at 5Vp-p. The housing is made of Black PBT material, offering good thermal and chemical resistance for reliable long-term use.