: Class H , which improves efficiency by switching the supply voltage based on the input signal level.
| | Symbol | Ratings | Unit | | -------------------------------------------------- | ---------- | ----------- | -------- | | Maximum Supply Voltage, VH (No signal) | VH max(1) | ±60 | V | | Maximum Supply Voltage, VH (Signal present, 8/6 Ω) | VH max(2) | ±53 | V | | Maximum Supply Voltage, VH (Signal present, 4 Ω) | VH max(3) | ±43 | V | | Maximum Supply Voltage, VL (No signal) | VL max(1) | ±41 | V | | Maximum Supply Voltage, VL (Signal present, 8/6 Ω) | VL max(2) | ±36 | V | | Maximum Supply Voltage, VL (Signal present, 4 Ω) | VL max(3) | ±29 | V | | Maximum VH-VL Supply Voltage Difference | VH-L max | 60 | V | | Thermal Resistance (Junction-to-Case) | θj-c | 2.2 | °C/W | | Junction Temperature | Tj max | 150 | °C | | Operating IC Substrate Temperature | Tc max | 125 | °C | | Storage Temperature Range | Tstg | -30 to +125 | °C | | Allowable Load Shorted Time (VH=±37V, VL=±27V, 8Ω) | ts | 0.3 | s | Source: Compiled from SANYO STK412 series datasheet Stk412-230 Datasheet Pdf
Since Sanyo's semiconductor division is now part of , your first stop should be Panasonic's official website. While the STK412-230 is an obsolete part, Panasonic often maintains archives of datasheets for legacy components. Search for "STK412-230" on their industrial devices or semiconductor support pages. : Class H , which improves efficiency by
High efficiency is achieved by switching supply voltages, reducing heat generation. Search for "STK412-230" on their industrial devices or