Description

The TLP521-1GB is an IC Chip categorized under programmable controllers AC/DC−Input module sold state relay. It is manufactured by Toshiba and it comprises of a photo-transistor optically coupled to a gallium arsenide infrared emitting diode. The TLP521-2 has two isolated channels in an eight lead plastic DIP package while the TLP521-4 provides four isolated channels in a sixteen plastic DIP package.

Specifications and features

• Collector−emitter voltage: 55 V (min)
• Current transfer ratio: 50% (min)
• Rank GB: 100% (min)
• Isolation voltage: 2500 Vrms (min)
• UL recognized
• Made in Japan: UL1577, file No. E67349
• Made in Thailand: UL1577, file No. E152349

Application Scenarios

The TLP521-1GB is primarily used for photovoltaic power conditioning systems, factory automation, programmable logic controllers, and AC outlets with insulation monitoring.

Comparison

• Provides programmable controllers AC/DC−Input module sold state relay.
• Has collector−emitter voltage of 55 V (min)
• Has Isolation voltage of 2500 Vrms (min)
• UL recognized

• The current transfer ratio of 50% (min) may not be as high compared to other similar models