The TLP290-4 is an optoisolator transistor from Toshiba.

• Number of channels: 4
• Voltage - Isolation: 2500Vrms
• Current Transfer Ratio (Min): 100% @ 5mA
• Current Transfer Ratio (Max): 400% @ 5mA
• Turn On / Turn Off Time (Typ): 3µs, 3µs
• Rise / Fall Time (Typ): 2µs, 3µs
• Input Type: AC, DC
• Output Type: Transistor
• Voltage - Output (Max): 80V
• Current - Output / Channel: 50mA
• Voltage - Forward (Vf) (Typ): 1.2V
• Current - DC Forward (If) (Max): 50mA
• Vce Saturation (Max): 400mV
• Operating Temperature: -55°C ~ 110°C

• Datasheet