C1237ha Circuit Diagram. Wide power supply range 25v 60v dc. Vcc 25 to 60v contain a relay driver.
There is no built in circuit either. Wide power supply range 25v 60v dc. C1237ha protector ic for stereo power amplifier.
However all you need is to monitor the current flow trough one of the emitter resistors at the output of the power amplifier.
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