| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | PS-521Q | Mallory Sonalert | 12V 200mA DC Alarm Siren |
No Image | PK-20A25PQ | Mallory Sonalert | Audio Indicator Piezo 3VDC 24VDC 25mA 12VDC 95dBA 2000Hz to 3000Hz Through Hole Pin Bulk |
 |
| KPEG209 |
| Kingstate |
| Audio Indicator Piezo 9VDC 12VDC 35mA 12VDC 91dB 2400Hz to 3400Hz Through Hole Pin |
 | PF-21A29PQ | Mallory Sonalert | Audio Indicator Piezo 3VDC 24VDC 18mA 12VDC 85dBA 2500Hz to 3500Hz Through Hole Pin Bulk |
No Image | PK-20N38WQ | Mallory Sonalert | MALLORY PK-20N38WQ TRANSDUCER, PIEZO, 3.8KHZ, 85DB, 28VDC |
 | AOM-4546P-NF-R | Projects Unlimited | Omnidirectional MEMS Microphone, 1.5V, 500uA, 2200R, Solder Termination |
 | AB2072S | Projects Unlimited | 10nF 30V Lead Free Ceramic Capacitor, 0.43mm Dia, 20mm Length, Flush Mount |
 | SCH648AR | Mallory Sonalert | 16mA Panel Mount Piezo Alarm, 10V AC, 65°C, IP66 |
 | SCE028SD2SP1B | Mallory Sonalert | Thread Mount Piezo Alarm, 16V DC, 40mA, -40°C to 85°C |
 | ZA028LDPS1 | Mallory Sonalert | 28V Panel Mount Piezo Driver, 40mA, -30°C to 65°C |
 | EM-23069-000 | Knowles | EM Series Electret Condenser Microphone, 1.3V, 50uA, 4.4kR, 10kHz, Square, Screw Termination |
 | FB-EM-30346-000 | Knowles | Electret Condenser Microphone, 1.3V, 50uA, Wire Leads, Bulk Packaging |
 | AB2025B | Projects Unlimited | BUZZER ELEMENT STD 2.5KHZ 20MM |
 | SC648A | Mallory Sonalert | Panel Mount Piezo Alarm, 48V, 16mA, -30°C to 65°C |
 | PL-27A35EPQ | Mallory Sonalert | 12V 15mA Piezo Buzzer, 3V DC Rated, 70°C Operating |
 | FG-26163-000 | Knowles | Omnidirectional Electret Condenser Microphone, 1.3V, 50uA, 2.57mm Dia, Bulk |
 | SC250HR | Mallory Sonalert | 60V 16mA Flush Mount Audio Component, 43mm Diameter, 250V Supply |
 | SC2036CPR | Mallory Sonalert | SC2036CPR 20V DC Panel Mount Buzzer |
 | ZA120LAFP1 | Mallory Sonalert | Panel Mount Piezo Indicator, 48-120VDC/VAC, 40mA, -30 to 50°C |
 | AT-3045-TF-LW110-R | Projects Unlimited | 10V Round Panel Mount Audio Component, 11mA, -30°C to 85°C |
