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PK-27A25WQ
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Product Detailed Parameters
- Description：BUZZER PIEZO 12V 30MM FLANGE
- Series：PK
- Mfr：Mallory Sonalert Products Inc.
- Package：Bulk
- Driver Circuitry：Indicator, Internally Driven
- Input Type：DC
- Frequency：2.5kHz
- Technology：Piezo
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：95dB @ 12V, 30cm
- Current - Supply：10mA
- Port Location：Top
- Operating Temperature：-20°C ~ 70°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：-
- Mounting Type：Panel Mount, Flange
- Termination：Wire Leads
- Height - Seated (Max)：0.638" (16.20mm)
- Voltage - Rated：12 V
- Voltage Range：3 ~ 24V
- Size / Dimension：1.181" Dia (30.00mm)
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Buying Guide
Mallory Sonalert Products Inc. PK-27A25WQ is used in Alarms, Buzzers, and Sirens category where integration and verification need to stay predictable. Key specs include Description (BUZZER PIEZO 12V 30MM FLANGE), Series (PK), Packaging (Bulk), Supply (3 ~ 24V), and Temperature (-20°C ~ 70°C).
Selection Notes
- For PK-27A25WQ, confirm the operating frequency (2.5kHz) is compatible with your clocking architecture.
- Confirm the operating temperature range (-20°C ~ 70°C) meets your deployment conditions.
- Validate Size / Dimension (1.181" Dia (30.00mm)) under the expected test conditions in your application.
Alternates & Substitutions
- For PK-27A25WQ in Alarms, Buzzers, and Sirens, the closest second source usually preserves the same board-level role and product constraints without creating hidden follow-on changes.
- For PK-27A25WQ in Alarms, Buzzers, and Sirens, the best alternate usually preserves board fit and the system-facing behavior your design already depends on (key constraints: supply 3 ~ 24V, frequency 2.5kHz).
- Review substitutes in the same order the product experiences them: assembly fit, interface behavior, operating range, and then secondary preferences.
- The closest drop-in candidates usually keep mounting Panel Mount, Flange, packaging Bulk unchanged so board fit stays familiar.
FAQ
How do I confirm compatibility for PK-27A25WQ?
Match mechanical footprint first, then verify electrical limits and operating conditions against your system constraints.
What supply voltage range does PK-27A25WQ require?
3 ~ 24V
Which Operating Mode is listed for PK-27A25WQ?
Single Tone
What Sound Pressure Level (SPL) does PK-27A25WQ have?
95dB @ 12V, 30cm
Application Scenarios
In real deployments, mallory Sonalert Products Inc. PK-27A25WQ in the Alarms, Buzzers, and Sirens category is typically shortlisted after engineers pin down the interface, margin, and field condition that will decide acceptance on assembled hardware. They support features such as voice triggering, beamforming, or loud alarm signaling where clarity matters. Good audio building blocks reduce tuning effort and deliver consistent user experience across production units. Once the boundaries are defined, it becomes easier to judge fit in the target application and test it on real hardware. In conferencing systems, microphone front ends support far-field voice pickup in reverberant rooms with HVAC noise and echo. In kiosks and public terminals, robust audio signaling improves accessibility in high-ambient-noise environments. In practice, when margins are designed in, performance tends to stay stable even when operating conditions are not ideal.
Compatibility Advice
- For Mallory Sonalert Products Inc. PK-27A25WQ, during bring-up, check filtering, gain structure, and grounding so hum and coupling do not dominate in the final enclosure and cabling. This keeps integration from depending on typical-only conditions.
Project Fit
- Mallory Sonalert Products Inc. PK-27A25WQ makes sense in Alarms, Buzzers, and Sirens work when the team can validate filtering, grounding, and startup behavior so artifacts are controlled in production builds.
