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Product Detailed Parameters
- Description：BUZZER PIEZO 35.81MM PNL MNT
- Series：Ultra
- Mfr：Floyd Bell Inc
- Package：Bulk
- Driver Circuitry：Indicator, Internally Driven
- Input Type：DC
- Frequency：2.1kHz
- Technology：Piezo
- Operating Mode：Single Tone, Pulse, Fast
- Sound Pressure Level (SPL)：109dB @ 28V, 61cm
- Current - Supply：20 ~ 50mA
- Port Location：Top
- Operating Temperature：-20°C ~ 65°C
- Approval Agency：UL, UR
- Ingress Protection：IP68 - Dust Tight, Waterproof
- Mounting Type：Panel Mount
- Termination：Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)
- Height - Seated (Max)：1.380" (35.05mm)
- Voltage Range：6 ~ 28V
- Size / Dimension：1.410" Dia (35.81mm)
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Overview
The UB-09-628-S(F)D is a piezoelectric chime alarm manufactured by Floyd Bell Inc. It features an internally driven indicator circuit and accepts DC input within a voltage range of 5 to 25 volts. The device operates at a frequency of 2.9 kHz with a sound pressure level of 70 dB measured at 5 volts and 61 cm distance. Power consumption ranges from 5 to 25 mA across the operating voltage spectrum. Designed for panel mounting, it includes wire leads for connection and offers IP68 protection against dust and water ingress. The unit functions reliably within an operating temperature range of -20°C to 65°C.
Feature Summary
- Internally driven piezoelectric chime mechanism
- IP68 rated waterproof and dust-tight enclosure
- Wide DC voltage compatibility from 5V to 25V
Applications
- Panel mount industrial equipment alarms
- Waterproof control panel indicators
- General purpose audible signaling systems
Procurement Notes
Verify the specific suffix (F)D against official datasheets to confirm lead wire configuration and termination style. Ensure the required operating voltage aligns with the 5-25V DC specification. Confirm that the 70dB SPL meets acoustic requirements for the intended installation environment. Check UL/UR approval agency listings if regulatory compliance is mandatory for the application.
Selection Notes
Select this component when a self-contained, internally driven chime is required for panel mounting. The wide voltage range allows flexibility in power supply design without external drivers. The IP68 rating makes it suitable for harsh or wet environments where standard chimes would fail. Consider the physical dimensions and top-mounted port location during mechanical integration.
Part Context
This part belongs to the AudioLarm II series of piezoelectric chimes. It is designed as a direct replacement for similar panel-mount audible indicators requiring high environmental protection. The product remains active in the manufacturer's catalog, ensuring availability for new designs.
Replacement Considerations
Cross-reference with other models in the AudioLarm II series for alternative voltage ratings or SPL levels. Verify pinout and dimension compatibility before substituting with generic piezo chimes.
