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The TLP185(GRL-TR,SE is a single-channel phototransistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates an infrared emitting diode and a phototransistor in a compact SOP-4 package to provide electrical isolation between input and output circuits. The device features a minimum isolation voltage of 3750Vrms and supports a maximum collector current of 50mA with a peak output voltage of 80V. It operates within a temperature range of -55°C to 110°C and offers typical switching times of 3µs for both turn-on and turn-off phases.
Verify the specific suffix TR,SE confirms tape-and-reel packaging configuration when sourcing. Ensure compatibility with SOP-4 footprint requirements during PCB layout. Confirm RoHS compliance status matches project specifications. Validate that the 3750Vrms isolation rating meets safety standards for the intended application environment. Check operating temperature range suitability for extreme conditions.
Select this component when high isolation voltage and moderate speed are required for single-channel applications. Consider the 50mA output current capacity for driving loads directly. Evaluate the SOP-4 package size constraints against available board space. Compare current transfer ratio requirements against load sensitivity. Assess thermal management needs given the 110°C maximum operating temperature limit.
This part belongs to Toshiba's TLP185 series of transistor output optocouplers designed for general-purpose isolation applications. The series offers various current transfer ratio grades and packaging options to suit different design requirements. The TLP185 family is widely used in industrial and consumer electronics for signal isolation and noise immunity.
TLP185(GR,SE and TLP185(GB,SE are confirmed substitutes within the same product family offering similar functionality.