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See Product Specifications
| Part Number: | PKMCS0909E4000-R1 | 
| Category: | Audio Products | 
| Subcategory: | Alarms, Buzzers, and Sirens | 
| Manufacturer: | Murata Electronics | 
| Packaging: | Tape & Reel (TR) | 
| Product Status: | Active | 
| Driver Circuitry: | Transducer, Externally Driven | 
| Input Type: | Zero-Peak Signal | 
| Voltage - Rated: | 1.5 V | 
| Voltage Range: | 12.5V (Max) | 
| Frequency: | 4kHz | 
| Technology: | Piezo | 
| Operating Mode: | Single Tone | 
| Duration: | - | 
| Sound Pressure Level (SPL): | 65dB @ 1.5V, 10cm | 
| Current - Supply: | - | 
| Port Location: | Side | 
| Operating Temperature: | -40°C ~ 85°C | 
| Approval Agency: | - | 
| Ratings: | - | 
| Ingress Protection: | - | 
| Mounting Type: | Surface Mount | 
| Termination: | Solder Pads | 
| Size / Dimension: | 0.354" L x 0.354" W (9.00mm x 9.00mm) | 
| Height - Seated (Max): | 0.075" (1.90mm) |