STK3042 25W Audio Power Amplifier

Price: $6.00

Datasheet:

It is rated for delivering approximately 2×30W continuous sine wave output into 8Ω loads at 1% THD.

Here are the key specifications and ratings for the STK3042:

Power Output:

Typically 2×30W (at 8Ω, 1% THD).
Supply Voltage Range:

Operating range is ±15V to ±28V DC, with a maximum rating (

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max) of ±48V or ±58V depending on the specific documentation (III version vs original).
Load Impedance:

Designed for 4Ω to 16Ω speakers.
Input Sensitivity:

~300mV RMS for full output.
Frequency Range:

DC to 50 kHz.
Thermal Resistance:

Approximately 2.5°C/W (junction-to-case).
Total Harmonic Distortion (THD):

~0.5% (original), 0.3% (II), 0.18% (III) @ 1kHz, full power.
Operating Temperature:

-20°C to +85°C.

We have limited quantites.