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The collector current of the transistor is 150mA therefore it can drive any load below the 150mA limit.

STM32F072CBU6TR-48-UFQFN Exposed Pad-STMicroelectronics

The collector current of the transistor is 150mA therefore it can drive any load below the 150mA limit.

The IC can easily be used with TTL and MOS circuits.push({});Applications:Computer CircuitsAutomation ProjectsComparator CircuitsDriving Relay and Other Loads Under 50mAPower SuppliesDomestically Used Electrical Goods / Electrical AppliancesReplacement / Equivalent / Other Part Numbers:LM111.

STM32F072CBU6TR-48-UFQFN Exposed Pad-STMicroelectronics

LM311 Description: LM311 is a voltage comparator op amp IC available in many packages.The maximum operating temperature of the IC is +70 centigrade and storage temperature range is from -65 centigrade to +150 centigrade.8Vcc+Positive supply pin of the IC.

STM32F072CBU6TR-48-UFQFN Exposed Pad-STMicroelectronics

The IC can be operated with wide power supply range of upto 36V.This first circuit is a light sensor and the second is dark sensor circuit.

STM32F072CBU6TR-48-UFQFN Exposed Pad-STMicroelectronics

  When the amount of heat will increase around the thermistor and reached to the preset level set by the 20K variable resistor the output of the LM311 IC will become high and the LED will light up.

The IC can drive upto 50mA load.Use a suitable base resistor which provides the required current at the base of the transistor.

the collector-emitter voltage of the transistor must in under 40Valways operate it below the max collector-emitter voltage.

always use a suitable base resistor to provide require base current to the transistor.in this post we are going to cover C1815 transistor details about pinout.

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