— IC芯片 | 连接器 | 传感器 | 被动器件 —
Product Detailed Parameters
- Description:BUZZER PIEZO 3V 12.5MM TH
- Series:PT
- Mfr:Mallory Sonalert Products Inc.
- Package:Bulk
- Driver Circuitry:Transducer, Externally Driven
- Input Type:Peak-Peak Signal
- Frequency:4kHz
- Technology:Piezo
- Operating Mode:Single Tone
- Duration:-
- Sound Pressure Level (SPL):80dB @ 3V, 10cm
- Current - Supply:1.5mA
- Port Location:Top
- Operating Temperature:-20°C ~ 60°C
- Approval Agency:-
- Ratings:-
- Ingress Protection:-
- Mounting Type:Through Hole
- Termination:PC Pins
- Height - Seated (Max):0.291" (7.40mm)
- Voltage - Rated:3 V
- Voltage Range:1 ~ 30V
- Size / Dimension:0.492" Dia (12.50mm)
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Overview
The PT-1241PFQ is a piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates at a rated voltage of 3 VDC and draws a current of 1.5 mA. The device produces an acoustic output of 80 dB measured at 3 VDC and 10 cm distance, with a resonant frequency of 4 kHz. It utilizes through-hole PC pin termination for board mounting.
Feature Summary
- Externally driven piezoelectric transducer design
- Through-hole PC pin termination for printed circuit board integration
Applications
- Audible alarm systems
- Board mount audio indicators
Procurement Notes
Verify the specific ordering suffix to ensure correct electrical characteristics and termination style. Confirm RoHS compliance status against the latest manufacturer documentation before finalizing procurement specifications.
Selection Notes
Select this component for applications requiring a compact, low-power audible alert. Ensure the driving circuit can supply the specified 1.5 mA current at 3 VDC to achieve the rated 80 dB sound pressure level.
Part Context
This part belongs to the Mallory Sonalert lineup of audio indicators and alarms. The manufacturer specializes in high-performance audible and visual warning devices for industrial, consumer, transportation, medical, and military markets.
Replacement Considerations
Mallory Sonalert provides cross-reference sheets for obsolete Murata buzzers. Verify compatibility with existing designs when considering alternative sources or substitute part numbers.
FAQ
What is the operating voltage?
The rated operating voltage is 3 VDC.
How is the device mounted?
It uses through-hole PC pins for board mounting.
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