Details

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BUY 2SA1972 https://www.utsource.net/itm/p/12611451.html

Parameter	Symbol	Min	Typical	Max	Unit
Collector-Emitter Voltage	VCEO	-	-	450	V
Collector-Base Voltage	VCBO	-	-	500	V
Emitter-Base Voltage	VEBO	-	-	8	V
Collector Current	IC	-	-	15	A
Base Current	IB	-	-	1.5	A
Power Dissipation	PT	-	-	130	W
Operating Junction Temperature	TJ	-40	-	150	掳C
Storage Temperature Range	TSTG	-55	-	150	掳C
Transition Frequency	fT	-	3	-	MHz
DC Current Gain	hFE	20	70	200	-

Instructions for Use:

1. Mounting and Handling:

   • Ensure that the 2SA1972 is mounted on a suitable heat sink to prevent overheating, especially when operating at high power levels.
   • Handle the transistor with care to avoid mechanical damage or static discharge.

2. Biasing:

   • Proper biasing is crucial to ensure stable operation. Use a base resistor to limit the base current (I_B) to a safe level, typically within the range of 10% to 50% of the collector current (I_C).

3. Power Dissipation:

   • Monitor the power dissipation (P_T) to ensure it does not exceed the maximum rating of 130W. Use a heatsink with adequate thermal resistance to maintain the junction temperature (T_J) below 150掳C.

4. Voltage Ratings:

   • Do not exceed the maximum collector-emitter voltage (V_CEO) of 450V, collector-base voltage (V_CBO) of 500V, or emitter-base voltage (V_EBO) of 8V.

5. Current Limits:

   • The maximum collector current (I_C) is 15A, and the maximum base current (I_B) is 1.5A. Ensure these limits are not exceeded to avoid damaging the transistor.

6. Temperature Considerations:

   • The operating junction temperature (T_J) should be kept between -40掳C and 150掳C. The storage temperature range (T_STG) is from -55掳C to 150掳C.

7. Frequency Response:

   • The transition frequency (f_T) is typically 3MHz, which indicates the maximum frequency at which the transistor can operate effectively as an amplifier.

8. DC Current Gain:

   • The DC current gain (h_FE) ranges from 20 to 200. This parameter is important for determining the required base current for a given collector current.

By following these guidelines, you can ensure reliable and efficient operation of the 2SA1972 transistor in your circuit.

(For reference only)