ISOEM-A4-P1-O5-O5 IC-A4P1 ISOLATION AMPLIFIER 24VDC The ISOEM-A4-P1-O5-O5 is a high-quality product offering IC-A4P1 ISOLATION AMPLIFIER 24VDC. With a shrink ratio of N/A and -45°C~+85°C operating temperature, it provides reliability in various applications.