BS 1740

Overview

The Knowles BS 1740 is an audio buzzer component manufactured by Knowles. It belongs to the category of audio products, specifically alarms, buzzers, and sirens. The device is designed for audible signaling applications.

Feature Summary

• Provides audible acoustic output for alerting purposes
• Designed as a dedicated audio signaling component

Applications

• General purpose audible alerts
• Industrial alarm systems
• Consumer electronic notification devices

Procurement Notes

Verify current manufacturing status before procurement planning. Official documentation indicates this product is obsolete and no longer manufactured. Confirm availability through secondary market channels or authorized distributors handling surplus stock. Ensure compatibility with existing system requirements if sourcing from non-primary sources.

Selection Notes

Consider alternative active or passive buzzer solutions currently in production. Evaluate acoustic performance specifications such as frequency and sound pressure level against project requirements. Assess physical dimensions and mounting options for integration into new designs.

Part Context

Knowles Corporation specializes in high-performance capacitors, RF filtering products, and advanced micro-acoustic components including microphones and balanced armature speakers. The BS 1740 represents their historical offering in the discrete audio buzzer segment, distinct from their primary focus on MEMS microphones and precision capacitors.

Replacement Considerations

This part is officially marked as obsolete. No specific public substitute part numbers are documented in the provided source material. Engineers should select equivalent audio buzzers from manufacturers with active production lines.