| PartNumber | PKM22EPPH4001-B0 | PKM22EPTH2001-B0 | PKM22EPH2002 |
| Description | Audio Indicators & Alerts 12.0nF +/-30% Sound Component | Audio Indicators & Alerts 19.0nF +/-30% Sound Component | Audio Indicators & Alerts Sounder 22mm 2KHz External Drive |
| Manufacturer | Murata | Murata | Murata |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| RoHS | Y | Y | Y |
| Product | Speakers | Speakers | Speakers |
| Type | Piezoelectric | Piezoelectric | Piezoelectric Sounder |
| Sound Pressure Level | 75 dBA | 70 dBA | 75 dBA |
| Tone | Ringer | Single | Sounder, Ringer |
| Frequency | 4 kHz | 2 kHz | 2.048 kHz |
| Voltage Rating | 1.5 V | 3 V | 25 V |
| Termination Style | Solder Pin | Solder Pin | Solder Pin |
| IP Rating | - | - | - |
| Diameter | 22 mm | - | 22 mm |
| Height | 8.7 mm | 26.5 mm | - |
| Packaging | Tray | Bulk | Bulk |
| Series | PK | PK | PK |
| Brand | Murata Electronics | Murata Electronics | Murata Electronics |
| Height in | 0.276 in | 1.043 in | - |
| Height mm | 7 mm | 26.5 mm | - |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Factory Pack Quantity | 900 | 300 | 270 |
| Subcategory | Audio Devices | Audio Devices | Audio Devices |
| Tradename | PIEZORINGER | PIEZORINGER | PIEZORINGER |
| Unit Weight | 0.098767 oz | 0.075416 oz | - |
| Dimensions | - | 22 mm L x 7 mm W x 26.5 mm H | - |
| Mounting | - | Through Hole | Through Hole |
| Length | - | 22 mm | - |
| Width | - | 7 mm | - |
| Length in | - | 0.866 in | - |
| Length mm | - | 22 mm | - |
| Width in | - | 0.276 in | - |
| Width mm | - | 7 mm | - |