TIP41G datasheet(4/7 Pages) ONSEMI

4 / 7 page

TIP41G, TIP41AG, TIP41BG, TIP41CG (NPN), TIP42G, TIP42AG, TIP42BG,

TIP42CG (PNP)

www.onsemi.com

t, TIME (ms)

1.0

0.01

0.1

1.0

100

ZqJC(t) = r(t) RqJC

RqJC = 1.92°C/W MAX

D CURVES APPLY FOR POWER

PULSE TRAIN SHOWN

READ TIME AT t1

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

P(pk)

SINGLE PULSE

1.0 k

D = 0.5

0.2

0.05

DUTY CYCLE, D = t1/t2

Figure 4. Thermal Response

0.1

0.05

0.02

0.01

0.03

0.02

0.07

0.5

0.3

0.2

0.7

0.02

0.05

0.2

0.5

2.0

5.0

200

500

VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS)

5.0

100

Figure 5. Active−Region Safe Operating Area

0.2

0.1

0.5

SECONDARY BREAKDOWN LTD

BONDING WIRE LTD

THERMAL LIMITATION @ TC = 25°C

(SINGLE PULSE)

1.0ms

2.0

1.0

5.0

0.5ms

CURVES APPLY BELOW RATED VCEO

3.0

0.3

5.0ms

TJ = 150°C

TIP41, TIP42

TIP41A, TIP42A

TIP41B, TIP42B

TIP41C, TIP42C

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)

≤ 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.

0.1

0.4

0.6

4.0

0.06

1.0

2.0

0.2

IC, COLLECTOR CURRENT (AMP)

Figure 6. Turn−Off Time

5.0

2.0

1.0

0.7

0.5

0.3

0.2

0.1

0.07

0.05

6.0

1.0

3.0

5.0

0.5

2.0

VR, REVERSE VOLTAGE (VOLTS)

Figure 7. Capacitance

300

200

100

TJ = 25°C

VCC = 30 V

IC/IB = 10

IB1 = IB2

Cib

Cob

3.0

TJ = 25°C

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