What the HZ18BP-E is and where it fits
The HZ18BP-E is a Zener diode — a voltage-reference / voltage-clamping device —. It carries ROHS3 compliance and is listed as Active in the lifecycle, so it remains a current-production line item without end-of-life risk.
Sourcing posture for the BOM line
Because the lifecycle stage is Active and the part is ROHS3 compliant, there is no LTB clock running and no regulatory barrier for EU or medical builds.
