This document is a datasheet for the IMST STK-457, STK-459, STK-460, STK-461, STK-463, and STK-465 hybrid ICs. These devices are designed as AF (Audio Frequency) power amplifiers with 2 channels powered by 2 separate power suppliers.
The document provides maximum ratings, recommended operating conditions, and operation characteristics for the series. Key specifications include output power ranging from a minimum of 10W to 30W depending on the specific model, with supply voltages up to +41V and load resistances down to 8 ohms.
| Output Power (STK-457) | 10W min. |
|---|---|
| Output Power (STK-465) | 30W min. |
| Maximum Supply Voltage | +41 V |
| Operating Case Temperature | > 105 °C |
| Load Resistance (Recommended) | > 8 ohm |
The STK-457 provides 10W, the STK-459 provides 15W, and the STK-460 through STK-465 provide 20W, 20W, 25W, and 30W respectively.
The allowab le Load Shorting Time is 2 sec under appointed conditions.
The recommended Load Resistance RL is greater than or equal to 8 ohm.