Details

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BUY HI1-201-4 https://www.utsource.net/itm/p/6589224.html
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Parameter	Description	Value
Part Number	Unique identifier for the component	HI1-201-4
Type	Component category	Phototransistor
Supply Voltage	Operating voltage range	2.7V to 5.5V
Emitter Current	Maximum current through the emitter	50mA
Collector Current	Maximum current through the collector	50mA
Power Dissipation	Maximum power dissipation	150mW
Operating Temp.	Temperature range for operation	-40°C to +85°C
Storage Temp.	Temperature range for storage	-40°C to +125°C
Wavelength	Sensitivity peak wavelength	850nm
Response Time	Time required for output to change	10μs (Typical)
Package	Type of packaging	TO-92

Instructions:

1. Power Supply: Ensure that the supply voltage is within the specified range of 2.7V to 5.5V.
2. Current Handling: Do not exceed the maximum emitter and collector currents of 50mA each.
3. Temperature Management: Operate the device within the temperature range of -40°C to +85°C. Store in environments between -40°C and +125°C.
4. Optical Alignment: For optimal performance, align the phototransistor with the intended light source at the peak sensitivity wavelength of 850nm.
5. Response Consideration: Account for a typical response time of 10μs when integrating into circuits requiring fast switching.
6. Mounting: Use appropriate mounting techniques suitable for the TO-92 package to ensure reliable electrical and mechanical connections.

(For reference only)