Details

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BUY TIP122 CHINA ORIGINAL https://www.utsource.net/itm/p/11303645.html

Parameter	Symbol	Value	Unit
Collector-Emitter Voltage	VCEO	60	V
Collector-Base Voltage	VCBO	80	V
Emitter-Base Voltage	VEBO	7	V
Continuous Collector Current	IC	5	A
Peak Collector Current	IC(peak)	10	A
Power Dissipation	PT	65	W
Junction Temperature	TJ	-55 to 150	掳C
Storage Temperature	TSTG	-65 to 150	掳C
DC Current Gain (Min)	hFE	1000	-
DC Current Gain (Max)	hFE	10000	-
Transition Frequency	fT	3	MHz

Instructions for Using TIP122:

1. Mounting:

   • Ensure the transistor is mounted on a heatsink if operating at high power levels to prevent overheating.
   • Use thermal paste between the transistor and the heatsink for better heat dissipation.

2. Polarity:

   • The TIP122 is an NPN Darlington transistor. Connect the collector to the positive supply, the emitter to the load, and the base to the control signal.

3. Biasing:

   • Apply a small base current to control the larger collector current. The base-emitter voltage (V_BE) should be around 1.4V to 2.0V for proper operation.
   • Use a base resistor to limit the base current and protect the transistor from excessive current.

4. Protection:

   • Include a flyback diode across inductive loads to protect the transistor from voltage spikes.
   • Use a series resistor with the base to limit current and avoid damage.

5. Operating Conditions:

   • Do not exceed the maximum ratings listed in the parameter table.
   • Monitor the junction temperature to ensure it stays within the specified range.

6. Storage:

   • Store the transistor in a dry, cool place away from direct sunlight and sources of heat.
   • Handle with care to avoid static discharge which can damage the device.

7. Testing:

   • Before using the transistor in a circuit, test it with a multimeter to ensure it is functioning correctly.
   • Check for continuity between the base and emitter, and the collector and emitter. There should be no continuity between the collector and base.

By following these instructions, you can ensure reliable and safe operation of the TIP122 transistor.

(For reference only)