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The TLP127(ITO-TPR,F) is a small outline optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates an aluminum gallium arsenide infrared emitting diode with a Darlington phototransistor featuring an integrated base-emitter resistor. The device provides electrical isolation with a rated insulation voltage of 2500 Vrms. Key electrical parameters include a collector-emitter breakdown voltage (VCEO) of 300 V, a maximum forward current (If) of 50 mA, and a typical forward voltage (Vf) of 1.15 V. The output stage supports a load voltage up to 300 V and offers a high current transfer ratio. The component operates within a temperature range of -55 °C to +100 °C and utilizes a surface-mount SOP-6 package.
Verify the specific suffix ITOPR,F against official Toshiba documentation to confirm pinout configuration and tape-and-reel specifications. Ensure compliance with RoHS directives if required by the target application. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before procurement.
Select this component when high current drive capability is required without external pull-down resistors. The integrated Darlington structure simplifies circuit design by eliminating the need for additional components to manage leakage or turn-off timing. Consider the thermal dissipation limits and isolation voltage requirements relative to the system's operating environment.
This device belongs to Toshiba's TLP127 series of small outline optocouplers. The series is characterized by its compact plastic packaging and high reliability for general-purpose isolation tasks. Variants within the family may differ in packaging style or specific electrical tolerances, but share the core architecture of an LED coupled to a Darlington transistor output.
Publicly confirmed substitute part numbers are not available in the provided source material.