Isolation and drive margin for industrial signal separation
The 6N139TVM: Rated for 5000Vrms isolation, this optoisolator provides a reinforced barrier between low-voltage control logic and higher-voltage field circuits — enough margin for IEC 60950-1 basic insulation in mains-connected equipment. The Darlington output stage delivers a minimum current transfer ratio of 500% at just 1.6 mA forward current, so a weak logic output (like a 3.3V GPIO driving through a series resistor) can still switch the output transistor into saturation without an external buffer.
Switching speed and output drive for digital interfaces
Typical turn-on time is 240 ns and turn-off is 1.3 µs — this part is suited for low-to-medium speed digital isolation (baud rates up to a few hundred kHz) rather than high-speed data links like CAN or RS-485.
Package and board-fit for through-hole assembly
Housed in a standard 8-DIP (0.400-inch row spacing, 10.16 mm body width), the through-hole package mates with 0.100-inch pitch sockets or wave-solder pads — no special footprint beyond the usual 0.025-inch round holes. The 8-MDIP supplier package variant (EIAJ-compliant) shares the same pinout and footprint as the standard DIP-8, so a single PCB layout covers both.
No stock-holding claim — each order is validated against the latest factory lead time.