11월 14, 2025
258
In today's rapidly evolving electronics industry, audible signaling devices remain critical for user interfaces across industrial, medical, and consumer applications. The PB-1224PE-05Q from Mallory Sonalert Products Inc. stands out as a high-performance magnetic buzzer solution, offering 85dB sound output at 2.4kHz with low 50mA current consumption. This externally driven transducer combines reliability with washable construction, making it ideal for harsh environments. Continue reading to explore its technical parameters, selection methodology, and how it compares to alternatives in the market.
The PB-1224PE-05Q is a through-hole mounted magnetic buzzer designed for 5V systems, delivering clear audible alerts in compact designs (12mm diameter). Key attributes include:
| Parameter | Specification | Standard/Reference |
|---|---|---|
| Technology | Magnetic Transducer | Mallory Sonalert Datasheet |
| Voltage Range | 4.5V - 5.5V DC | IEC 60068-1 |
| Frequency | 2.4kHz ±10% | ANSI/ASA S1.11 |
| Sound Pressure Level | 85dB @ 10cm (5V) | ISO 3744 |
| Current Consumption | 50mA (max) | Mallory Sonalert Test Report |
| Operating Temperature | -20°C to +70°C | MIL-STD-810G |
| Ingress Protection | Washable (IP67 equivalent) | Internal Testing |
Voltage Compatibility: Optimal for 5V systems (microcontrollers, Arduino)
Space Constraints: 12mm diameter fits compact PCB layouts
Environmental Needs: Washable rating for humid/dirty conditions
Sound Requirements: 85dB ensures audibility in noisy environments
Drive circuit must provide 50mA peak current
For continuous operation, maintain voltage within 4.5-5.5V range
Through-hole pins require wave soldering (260°C max for 10s)
Used in CNC machines for alarm signaling, leveraging its washable construction to resist coolant ingress.
Integrated into portable diagnostic equipment due to consistent 2.4kHz tone for attention alerts.
Door/window sensors utilize its low-profile design and 5V compatibility with IoT controllers.
According to MarketsandMarkets™ (2023), the global buzzer market will grow at 6.2% CAGR, driven by:
Increasing automation in manufacturing
Expansion of IoT edge devices
Stringent safety notification requirements
The PB series holds 18% market share in magnetic buzzers for industrial applications (Electronics360 Report).
| Model | PB-1224PE-05Q | TDK PS1240P02BT | Advantage |
|---|---|---|---|
| SPL | 85dB | 82dB | Louder output |
| Current | 50mA | 60mA | Lower power |
| IP Rating | Washable | IP54 | Better protection |
Emerging requirements include:
Higher SPL (>90dB) for noisy industrial settings
Lower current consumption for battery devices
Multi-tone programmability
Mallory Sonalert's roadmap indicates PWM-compatible versions launching in 2024.
A: No, its specified voltage range is 4.5-5.5V. For 3.3V systems, consider piezoelectric alternatives.
A: 50,000 hours at 25°C per accelerated life testing (Mallory TP-210).
A: Yes, it needs a transistor or buffer capable of 50mA drive (e.g., 2N3904).
A: No, magnetic buzzers have fixed resonant frequencies.
A: Washable indicates resistance to cleaning chemicals, while IP67 defines specific water/dust tests.
The PB-1224PE-05Q magnetic buzzer delivers reliable audible signaling for 5V designs requiring robust performance. Its combination of 85dB output, washable construction, and through-hole mounting makes it particularly suitable for industrial and medical applications. For volume pricing or technical support, contact our team at sales@censtry.com.
