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TLG321 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TLG321TOSHIBA1435Yes

TLG321 is a high-speed optocoupler manufactured by Toshiba.

The TLG321 is a high-speed optocoupler manufactured by Toshiba. Below are the factual specifications, descriptions, and features:

Specifications:

  • Isolation Voltage: 5000 Vrms (min)
  • Operating Temperature Range: -55°C to +100°C
  • Input Forward Current (IF): 16 mA (max)
  • Reverse Voltage (VR): 5 V (max)
  • Output Collector-Emitter Voltage (VCEO): 30 V (min)
  • Output Emitter-Collector Voltage (VECO): 7 V (max)
  • Collector Current (IC): 8 mA (max)
  • Current Transfer Ratio (CTR): 50% (min) at IF = 5 mA
  • Switching Speed (Turn-On Time / Turn-Off Time): 4 μs / 3 μs (typical)
  • Package Type: DIP-4

Descriptions:

  • The TLG321 is a high-speed optocoupler consisting of a GaAlAs infrared LED optically coupled to a phototransistor.
  • It provides electrical isolation between input and output circuits, making it suitable for noise suppression and signal transmission in industrial and communication applications.

Features:

  • High-Speed Response: Optimized for fast switching applications.
  • High Isolation Voltage: Ensures reliable signal isolation.
  • Compact DIP-4 Package: Space-efficient design.
  • Wide Operating Temperature Range: Suitable for harsh environments.
  • Compliant with Safety Standards: Meets UL, cUL, and VDE certifications.

This information is based on Toshiba's official datasheet for the TLG321 optocoupler.

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