— IC芯片 | 连接器 | 传感器 | 被动器件 —
Product Detailed Parameters
- Description:BUZZER PIEZO 44.45MM FLANGE
- Series:SBT
- Mfr:Mallory Sonalert Products Inc.
- Package:Bulk
- Driver Circuitry:Indicator, Internally Driven
- Input Type:DC
- Frequency:2.075kHz
- Technology:Piezo
- Operating Mode:Pulse, Fast
- Duration:Repeating every 2.5 Sec
- Sound Pressure Level (SPL):85dB @ 3.3V, 10cm
- Current - Supply:35mA
- Port Location:Top
- Operating Temperature:-30°C ~ 65°C
- Approval Agency:cUL, UL
- Ratings:Medical
- Ingress Protection:-
- Mounting Type:Panel Mount, Flange
- Termination:Wire Leads
- Height - Seated (Max):0.551" (14.00mm)
- Voltage Range:3.3 ~ 5V
- Size / Dimension:1.750" Dia (44.45mm)
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Overview
The SBT5EHFL is an industrial-grade piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates within a voltage range of 3.3 to 5 VDC and produces a sound pressure level of 90 dB. The device features internal drive circuitry and utilizes through-hole PC pin termination for panel mounting. It is designed for continuous operation with a frequency output of approximately 2.1 kHz. The unit complies with RoHS standards and supports a wide operating temperature range from -30°C to +65°C, ensuring reliability in demanding industrial environments.
Feature Summary
- Industrial-grade construction suitable for harsh operational conditions
- Integrated internal driver circuitry simplifies system integration
- Compliant with RoHS environmental directives
- Wide operating temperature tolerance for diverse applications
Applications
- Industrial machinery status indication
- Medical equipment audio alerts
- Transportation system signaling
- Consumer appliance failure notifications
Procurement Notes
Verify the specific ordering suffix against the official Mallory Sonalert datasheet to ensure correct voltage and acoustic specifications. Confirm that the through-hole PC pin configuration matches the target PCB layout. Check for updated compliance certifications such as UL or cUL if required by regional safety regulations. Ensure the selected variant aligns with the intended operating temperature range and mechanical mounting constraints.
Selection Notes
Select this component when a reliable, internally driven audio indicator is required for industrial or medical settings. The SBT5EHFL offers a balance of high acoustic output and low power consumption. Consider the physical dimensions and mounting style during the design phase. Evaluate the need for specific certification marks based on the end-product's regulatory requirements before finalizing the part number.
Part Context
This component belongs to the SBT series of industrial buzzers from Mallory Sonalert. The series is characterized by robust performance and compatibility with standard control circuits. It serves as a critical audio feedback element in systems requiring clear and distinct alert signals. The product line emphasizes durability and consistent acoustic performance across varying environmental conditions.
Replacement Considerations
Consult the manufacturer's cross-reference guide for direct substitutes. Verify that any alternative part matches the electrical parameters, mounting style, and acoustic output. Ensure compatibility with existing PCB footprints and enclosure designs when considering replacement options.
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