BD243CG datasheet(3/6 Pages) ONSEMI

Il numero della parte	BD243CG

Spiegazioni elettronici	Complementary Silicon Plastic Power Transistors

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Produttore elettronici	ONSEMI [ON Semiconductor]

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BD243B, BD243C (NPN) BD244B, BD244C (PNP)

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3

Figure 2. Switching Time Test Circuit

2.0

0.06

Figure 3. Turn−On Time

IC, COLLECTOR CURRENT (AMP)

1.0

0.7

0.5

0.3

0.1

0.07

0.02

0.1

0.2

0.4

0.6

2.0

6.0

td @ VBE(off) = 5.0 V

TJ = 25°C

VCC = 30 V

IC/IB = 10

+ 11 V

0

VCC

- 30 V

SCOPE

RB

- 4 V

tr, tf v 10 ns

DUTY CYCLE = 1.0%

RC

tr

0.03

0.05

1.0

4.0

D1 MUST BE FAST RECOVERY TYPE eg.

1N5825 USED ABOVE IB [ 100 mA

MSD6100 USED BELOW IB [ 100 mA

25

ms

- 9.0 V

D1

51

RB AND RC VARIED TO OBTAIN DESIRED CURRENT LEVELS

0.2

Figure 4. Thermal Response

t, TIME OR PULSE WIDTH (ms)

1.0

0.01

0.7

0.5

0.3

0.2

0.1

0.07

0.05

0.03

0.02

0.05

0.1

0.2

0.5

1.0

2.0

5.0

10

20

50

100

200

1000

500

RqJC(max) = 1.92°C/W

D CURVES APPLY FOR POWER

PULSE TRAIN SHOWN

READ TIME AT t1

TJ(pk) - TC = P(pk) RqJC(t)

P(pk)

t1

t2

DUTY CYCLE, D = t1/t2

D = 0.5

SINGLE PULSE

0.2

0.05

0.1

0.02

0.01

SINGLE

PULSE

0.03

0.3

3.0

30

300

SECOND BREAKDOWN LIMITED

BONDING WIRE LIMITED

THERMAL LIMITATION @ TC = 25°C

CURVES APPLY BELOW RATED VCEO

10

5.0

Figure 5. Active Region Safe Operating Area

5.0

1.0

0.1

10

20

60

100

TJ = 150°C

BD243B, BD244B

BD243C, BD244C

5.0 ms

0.5 ms

0.2

2.0

0.5

VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS)

3.0

0.3

40

80

1.0

ms

There are two limitations on the power handling ability of

a transistor: average junction temperature and second

breakdown. Safe operating area curves indicate IC − VCE

limits of the transistor that must be observed for reliable

operation, i.e., the transistor must not be subjected to greater

dissipation than the curves indicate.

The data of Figure 5 is based on TJ(pk) = 150°C: TC is

variable depending on conditions. Second breakdown pulse

limits are valid for duty cycles to 10% provided TJ(pk)

v 150°C, TJ(pk) may be calculated from the data in

Figure 4. At high case temperatures, thermal limitations will

reduce the power that can be handled to values less than the

limitations imposed by second breakdown.

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