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| PartNumber | AT-42 | AT-42000-GP4 | AT-420(40) |
| Description | Speakers & Transducers MYLAR PCB 500-4000Hz | RF Bipolar Transistors Transistor Si | 354-0036-4-40 EACH |
| Manufacturer | PUI Audio | Broadcom Limited | - |
| Product Category | Speakers & Transducers | RF Bipolar Transistors | - |
| RoHS | Y | Y | - |
| Product | Receivers | - | - |
| Type | Piezoelectric | RF Bipolar Small Signal | - |
| Frequency | 1.4 kHz | - | - |
| Impedance | 32 Ohms | - | - |
| Power Rating | 150 mW | - | - |
| Shape | Round | - | - |
| Termination Style | Solder Pin | - | - |
| Diameter | 30 mm | - | - |
| Depth | 12 mm | - | - |
| Cone Material | Mylar | - | - |
| IP Rating | - | - | - |
| Series | AT | - | - |
| Brand | PUI Audio | Broadcom / Avago | - |
| Product Type | Speakers & Transducers | RF Bipolar Transistors | - |
| Subcategory | Audio Devices | Transistors | - |
| Transistor Type | - | Bipolar | - |
| Technology | - | Si | - |
| Transistor Polarity | - | NPN | - |
| DC Collector/Base Gain hfe Min | - | 30 at 35 mA at 8 V | - |
| Collector Emitter Voltage VCEO Max | - | 12 V | - |
| Emitter Base Voltage VEBO | - | 1.5 V | - |
| Continuous Collector Current | - | 80 mA | - |
| Minimum Operating Temperature | - | - 65 C | - |
| Maximum Operating Temperature | - | + 150 C | - |
| Package / Case | - | Chip | - |
| Packaging | - | Tray | - |
| Collector Base Voltage VCBO | - | 20 V | - |
| Height | - | 0.15 mm (Max) | - |
| Length | - | 0.31 mm | - |
| Operating Frequency | - | 9000 MHz | - |
| Width | - | 0.31 mm | - |
| Gain Bandwidth Product fT | - | 9000 MHz | - |
| Maximum DC Collector Current | - | 0.08 A | - |
| Pd Power Dissipation | - | 600 mW | - |
| Factory Pack Quantity | - | 100 | - |