Stk412530 Datasheet [VERIFIED]

| Parameter | Rating | |--------------------------|---------------| | Maximum Supply Voltage | ±39 V | | Peak Output Current | 5 A | | Power Dissipation | 30 W (with heatsink) | | Operating Temperature | -20°C to +85°C | | Storage Temperature | -40°C to +125°C | | Thermal Resistance (junction-case) | 2.2°C/W |

Measure the voltage at the output pins (before the relay). If you see high DC voltage (close to the rail voltage), the IC is blown. stk412530 datasheet

A popular choice for low-distortion home theater applications. Texas Instruments LM4768 stk412530 datasheet