The PVI5033RS-TPBF comes in an 8-SMD Gull Wing package (supplier device package 8-SMD) — the gull-wing leads are visible from the side, making solder-joint inspection straightforward without X-ray. The 8-pin footprint is compact enough for tight layouts but the 3750Vrms isolation rating means you need to maintain creepage and clearance distances on the PCB between input and output sides; the package itself provides the primary barrier, so keep the copper keep-out zones per the datasheet land pattern.
Isolation and output — what the ratings mean
With 3750Vrms isolation, this optocoupler is rated for reinforced insulation in mains-connected circuits — think industrial PSU feedback loops, motor drive gate drive supplies, or any application where the control side must be galvanically separated from a high-voltage bus. The output is photovoltaic: each channel delivers up to 10V open-circuit, but the current is limited to 5µA per channel. That is not enough to drive a relay coil directly; it is meant to bias a MOSFET gate or a high-impedance input. The 2.5ms turn-on and 500µs turn-off (max) are slow by logic standards but fine for DC signal isolation or gate-charging circuits where the load capacitance is small.