Product Summary

The STK412-240 is a class H audio power amplifier hybrid ICs that feature a built-in Shift power supply circuit. The STK412-240 provides high efficiency audio power amplification by controlling (switching) the supply voltage supplied to the power transistors according to the detected level of the input audio signal.

Parametrics

STK412-240 absolute maximum ratings: (1) VL: Maximum supply voltage 3 (signal present) VL max(3) RL = 4 Ω : ±30 V; (2) VH-VL: Maximum supply voltage *4 VH-L max No load: 60 V; (3) Thermal resistance qj-c Per power transistor: 1.9 ℃/W; (4) Junction temperature Tj max Both the Tjmax and Tcmax conditions must be met.: 150 ℃; (5) Operating IC substrate temperature Tc max Both the Tjmax and Tcmax conditions must be met.: 125 ℃; (6) Storage temperature Tstg ?0 to +125 ℃; (7) Allowable load shorted time *3 ts VH = ±43 V, VL = ±30 V, RL = 8 Ωf = 50 Hz, PO = 70 W, one channel operating: 0.3 s.

Features

STK412-240 features: (1) Pin compatible IC series that covers power ratings from 50 W ×2 channels to 180 W ×2 channels at 0.7 or 0.8% THD, 20 Hz to 20 kHz. This allows the use of a common PCB for all output classes.; (2) The pin arrangement is also unified with that of the three-channel STK413-000 series. This means that PCBs designed for three-channel models can also be used for two-channel models.; (3) Miniature package: 50 W/ch to 120 W/ch (THD = 0.8%, f = 20 Hz to 20 kHz): 64 ×36.5×8.5 mm*, 150 W/ch to 180 W/ch (THD = 0.7%, f = 20 Hz to 20 kHz): 78 ×44×9 mm*, * Not including the IC pins.; (4) Allowable load shorted time: 0.3 s.

Diagrams

 STK412-240 dimension

STK400-010
STK400-010

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Negotiable 
STK400-030
STK400-030

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STK400-050
STK400-050

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STK400-060
STK400-060

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STK400-070
STK400-070

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Negotiable 
STK400-080
STK400-080

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Data Sheet

Negotiable