Details

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BUY BD679A https://www.utsource.net/itm/p/12611185.html

Parameter	Symbol	Test Conditions	Min	Typ	Max	Unit
Collector-Emitter Saturation Voltage	VCE(sat)	IC = 3A, IB = 0.3A	-	1.2	2.5	V
Base-Emitter Saturation Voltage	VBE(sat)	IC = 3A, IB = 0.3A	-	1.8	2.5	V
Collector-Emitter Breakdown Voltage	VCEO	IC = 0, IB = 0	45	-	60	V
Collector-Base Breakdown Voltage	VCBO	IC = 0, IE = 0	60	-	80	V
Emitter-Base Breakdown Voltage	VEBO	IE = 5mA, IC = 0	7	-	9	V
Continuous Collector Current	IC	TA = 25掳C	-	-	15	A
Storage Temperature Range	TSTG	-	-	-	-55	150	掳C
Operating Junction Temperature	TJ	-	-	-	-55	150	掳C

Instructions for BD679A

1. Mounting and Handling:

   • Handle the BD679A with care to avoid mechanical damage.
   • Ensure proper heat sinking if operating at high currents or power levels.

2. Electrical Connections:

   • Connect the collector (C) to the load or power supply.
   • Connect the emitter (E) to ground or the return path.
   • Connect the base (B) to the control circuit.

3. Thermal Management:

   • Ensure adequate cooling to keep the junction temperature within the specified range.
   • Use a heatsink if necessary, especially when operating at high currents.

4. Biasing:

   • Properly bias the base to ensure the transistor operates in the desired region (saturation, active, or cutoff).
   • Use a current-limiting resistor on the base to prevent excessive base current.

5. Protection:

   • Consider using a reverse-biased diode across the load to protect against inductive spikes.
   • Use a zener diode or other voltage clamping device to protect against overvoltage conditions.

6. Storage:

   • Store the BD679A in a dry, cool place away from direct sunlight and extreme temperatures.
   • Keep the device in its original packaging until ready for use to prevent static damage.

7. Testing:

   • Before installing the BD679A in a circuit, test it with a multimeter to ensure it is not damaged.
   • Verify the continuity and resistance values between the pins.

8. Compliance:

   • Ensure that the BD679A is used in compliance with all relevant safety and regulatory standards.

(For reference only)