TIP49 datasheet(4/6 Pages) ONSEMI

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TIP47G, TIP48G, TIP50G

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VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS)

5.0

500

Figure 5. Active Region Safe Operating Area

0.02

0.05

SECONDARY BREAKDOWN LIMITED

THERMALLY LIMITED @ 25

°C

BONDING WIRE LIMITED

1.0ms

100

0.2

0.1

5.0

2.0

CURVES APPLY

BELOW RATED VCEO

1.0

0.5

100

200

500

TC ≤ 25°C

TIP47

TIP48

TIP50

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.

0.05

0.1

0.2

0.02

0.5

IC, COLLECTOR CURRENT (AMPS)

Figure 6. Turn−Off Time

5.0

2.0

1.0

0.5

0.2

0.1

0.05

1.0

2.0

TJ = 25°C

VCC = 200 V

IC/IB = 5.0

IC, COLLECTOR CURRENT (AMPS)

+4.5

+3.5

+2.5

+1.5

-0.5

-1.5

-2.5

*APPLIES FOR IC/IB ≤ hFE/5

qVC FOR VCE(sat)

qVB FOR VBE

Figure 7. Temperature Coefficients

0.02

0.05

0.1

0.2

0.5

1.0

2.0

+25

°C to +150°C

-55

°C to +25°C

+25

°C to +150°C

-55

°C to +25°C

+0.5

Figure 8. Inductive Load Switching

Note A: Input pulse width is increased until ICM = 0.63 A.

INPUT

MJE171

RBB1 =

150

100 mH

RBB2 =

100

VBB2 =

VBB1 = 10 V

VCE MONITOR

TUT

VCC = 20 V

IC MONITOR

RS =

0.1

0.63 A

0 V

-5 V

tw ≈ 3 ms

(SEE NOTE A)

INPUT

VOLTAGE

COLLECTOR

CURRENT

COLLECTOR

VOLTAGE

VCER

0 V

10 V

100 ms

VCE(sat)

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