| PartNumber | AB2040B-LW100-R | AB2040S-LW100-R | AB2040B |
| Description | Speakers & Transducers PIEZO CERAMIC BENDER 20MM DIA 4.0KHZ | Speakers & Transducers PIEZO CERAMIC BENDER 4KHZ 350 OHM | Speakers & Transducers 4KHz 350 OHMS 25nF |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio, Inc. |
| Product Category | Speakers & Transducers | Buzzer Elements, Piezo Benders | Buzzer Elements, Piezo Benders |
| RoHS | E | - | - |
| Frequency | 4 kHz | 4kHz | 4kHz |
| Termination Style | Wire Leads | Wire Leads | Wire Leads |
| Diameter | 20 mm | 20 mm | 20 mm |
| Length | 20 mm | - | - |
| Width | 20 mm | - | - |
| IP Rating | - | - | - |
| Dimensions | 20 mm L x 20 mm W x 0.28 mm H | 0.22 mm H | - |
| Height | 0.28 mm | 0.22 mm | - |
| Mounting | Flush | - | Flush |
| Packaging | Bulk | Bulk | Tray |
| Self Resonant Frequency | 4 kHz | - | - |
| Series | AB | AB | AB |
| Voltage Rating | 30 V | 30 V | - |
| Brand | PUI Audio | - | - |
| Height in | 0.011 in | - | - |
| Height mm | 0.28 mm | - | - |
| Length in | 0.787 in | - | - |
| Length mm | 20 mm | - | - |
| Product Type | Speakers & Transducers | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Audio Devices | - | - |
| Width in | 0.787 in | - | - |
| Width mm | 20 mm | - | - |
| Product | - | Benders | - |
| Type | - | Standard | Standard |
| Operating Temperature Range | - | - 20 C to + 60 C | - |
| Impedance | - | 350 Ohm | 350 Ohm |
| Voltage Input Max | - | 30V p-p | 30V p-p |
| Capacitance Frequency | - | 22000pF @ 1kHz | 25000pF @ 1kHz |
| Size | - | 0.79" Dia (20mm) | 0.79" Dia (20mm) |
| Termination | - | Wire Leads | None |
| Shape | - | Round | - |
| Height in | - | 0.009 in | - |
| Height mm | - | 0.22 mm | - |
| Magnet Material | - | Stainless Steel | - |
| Cone Material | - | Ceramic | - |