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The TLP121(GRL-TPL,F) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a gallium arsenide infrared emitting diode with a phototransistor in a compact DIP-4 plastic package. The device provides an isolation voltage of 3750Vrms and supports a collector-emitter breakdown voltage of at least 80V. It features a minimum current transfer ratio of 100% for the GR rank, with a maximum forward current of 50mA and a maximum dark power of 100nA. Operating temperatures range from -25°C to 85°C.
Verify the specific suffix codes (GRL, TPL, F) against official Toshiba documentation to confirm exact binning, lead composition, and reel specifications. Ensure compliance with RoHS directives and UL recognition requirements relevant to the target application region before finalizing procurement orders.
Select this component when a low-profile DIP-4 package is required for space-constrained designs. Consider the 100% CTR rank for applications demanding consistent gain. Verify that the 80V collector-emitter voltage rating meets the load requirements and that the operating temperature range aligns with the environmental conditions.
This part belongs to the TLP121 series of mini flat couplers designed for surface mount technology. The series is characterized by its small footprint and suitability for automated assembly processes. It serves as a standard solution for isolating control signals in industrial and consumer electronic systems requiring reliable galvanic separation.
Consult official Toshiba substitution guides for verified equivalents. Generic replacements may differ in pinout, isolation voltage, or current transfer ratio characteristics.