| Part Number | AN5278 | AN5273 | 
|---|---|---|
| Manufacturer | Panasonic Electronic Components | Panasonic Electronic Components | 
| Category | Linear - Amplifiers - Audio | Linear - Amplifiers - Audio | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Class AB | Class AB | 
| Output Type | 1-Channel (Mono) | 2-Channel (Stereo) | 
| Max Output Power x Channels @ Load | 9W x 1 @ 8Ohm | 4.1W x 2 @ 8Ohm | 
| Voltage - Supply | 12V ~ 26V | 12.2V ~ 27.5V | 
| Features | Mute, Tone and Volume Control | Mute, Short-Circuit and Thermal Protection, Volume Control | 
| Mounting Type | Through Hole | Through Hole | 
| Operating Temperature | -20°C ~ 70°C (TA) | -25°C ~ 75°C (TA) | 
| Supplier Device Package | 9-HSIP | 12-SIL | 
| Package / Case | 9-SIP | 12-SIP + Tab |