Details

---

BUY P8021 https://www.utsource.net/itm/p/12617532.html

Parameter	Description	Value
Part Number	P8021	-
Type	Photo Transistor	-
Package	TO-46 (Metal Can)	-
Emission Color	Infrared (IR)	950 nm
Collector-Emitter Voltage (Vce)	Maximum Collector-Emitter Voltage	30 V
Emitter-Base Voltage (Veb)	Maximum Emitter-Base Voltage	5 V
Collector Current (Ic)	Maximum Collector Current	50 mA
Power Dissipation (Ptot)	Maximum Power Dissipation	100 mW
Photocurrent (Ic)	Photocurrent at 1000 lux, 950 nm	200 μA
Dark Current (Id)	Dark Current at 25°C	0.1 μA
Spectral Sensitivity	Peak Spectral Sensitivity	950 nm
Operating Temperature	Operating Temperature Range	-40°C to +85°C
Storage Temperature	Storage Temperature Range	-40°C to +100°C
Rise Time (tr)	Rise Time (Typical)	10 μs
Fall Time (tf)	Fall Time (Typical)	10 μs

Instructions for Use

1. Mounting:

   • Ensure that the component is mounted on a suitable heat sink if operating near maximum power dissipation.
   • Follow the recommended soldering profile to avoid thermal stress.

2. Electrical Connections:

   • Connect the collector to the positive supply or load.
   • Connect the emitter to ground or the common point of the circuit.
   • If using with a microcontroller or other digital circuits, ensure the current through the transistor does not exceed the maximum collector current rating.

3. Optical Alignment:

   • Align the photo transistor with the light source (e.g., IR LED) to maximize sensitivity.
   • Use appropriate lenses or diffusers if necessary to focus the light onto the active area of the photo transistor.

4. Handling:

   • Handle the component with care to avoid physical damage.
   • Use proper ESD (Electrostatic Discharge) precautions to prevent damage from static electricity.

5. Testing:

   • Test the photo transistor in a controlled environment to ensure it meets the specified parameters.
   • Measure the photocurrent under different light intensities to verify its performance.

6. Storage:

   • Store the component in a dry, cool place away from direct sunlight.
   • Keep the component in its original packaging until ready for use to protect against moisture and static damage.

(For reference only)