TLP521-1-GB. Component family: optocoupler. Configuration: PCB through-hole mounting. Housing (JEDEC standard): -. Housing: DIP4. Insulation voltage Uiso [kV]: 2.5 kV. Max temperature: +100°C.. Number of circuits: 1. Number of terminals: 4. Output Type: NPN transistor. Rate: 100 %. RoHS: yes. Switch-off delay tf [µsec.]: 3us. Switch-on time tr [µsec.]: 3us. Type of entry: Infrared LED. Type of optocoupler: general purpose optocoupler. [V]: 55V. [current mA]: 5mA. Original product from manufacturer: Toshiba. Quantity in stock updated on 13/11/2025, 16:18