The IC uses a standard 18-pin SIP. Hold the IC with the printed label facing you and the heatsink tab to the rear.
The most common application for stereo output.
Using:
For 125°C max and 60W: (125 – 40)/60 – 1.5 = 85/60 – 1.5 = 1.41 – 1.5 = Negative? → Implies insufficient. So reduce output or use forced cooling. stk411210e datasheet
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit | | :--- | :---: | :--- | :---: | :---: | :---: | :---: | | Quiescent Current | Icco | Vin = 0V | - | 50 | 100 | mA | | Output Power | PO | THD = 0.5% | 35 | 40 | - | W | | Total Harmonic Distortion | THD | PO = 1W | - | 0.02 | 0.1 | % | | Voltage Gain | GV | Vin = 0dB | 28 | 30 | 32 | dB | | Input Impedance | Ri | - | - | 55 | - | kΩ | | Output Noise Voltage | Vno | Rg = 10kΩ | - | 0.25 | 0.7 | mV | | Frequency Response | BW | -3dB points | 20 | - | 20k | Hz | | Ripple Rejection Ratio | RRR | f = 100Hz | 45 | 55 | - | dB |
Designed for low total harmonic distortion (THD).
You can access the full technical manuals and diagrams through these databases: The IC uses a standard 18-pin SIP
For bridged output configurations, designers should follow the module’s notes on allowable DC offsets, load impedance, and power calculations, since apparent output power doubles but dissipation constraints change.
The STK411-210E module was engineered predominantly for compact, medium-power audio applications. Its architectural design makes it ideal for:
Always compare the full datasheet before substituting. Using: For 125°C max and 60W: (125 – 40)/60 – 1
Because the STK411-210E is a thick-film package processing intense output current, high thermal density naturally focuses along the internal transistor dies. Implementing proper integration rules will extend the operating lifespan of the component:
Due to the high power handled by this device, a substantial aluminum heat sink is mandatory, as noted in the Veswin.com product specifications.
The STK411210E contains two complete amplifier channels on a single ceramic substrate. Each channel includes:
: Reference grounding paths split carefully into signal grounds and high-current load grounds to isolate noise loops.
The STK411-210E features a standard package (a multi-pin single-in-line hybrid layout). Correctly wiring these pins prevents oscillation and output DC offsets. Wholesale STK411 210E IC Original Thick Film Hybrid