| PartNumber | ATR4251-PFPY 19 | ATR4251-PFSY |
| Description | RF Amplifier COM.RADIO-Low-noise Antenna Amplifier | RF Amplifier COM.RADIO-Low-noise antenna amplifier |
| Manufacturer | Microchip | Microchip |
| Product Category | RF Amplifier | RF Amplifier |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | QFN-24 | QFN-24 |
| Gain | 5 dB | - |
| Operating Supply Current | 11 mA to 17 mA | - |
| Packaging | Reel | - |
| Product | Audio Amplifiers | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Pd Power Dissipation | 550 mW | - |
| Product Type | RF Amplifier | RF Amplifier |
| Factory Pack Quantity | 1500 | 1500 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Unit Weight | 0.032741 oz | 0.032741 oz |
| Minimum Operating Temperature | - | - 40 C |
| Maximum Operating Temperature | - | + 105 C |