2004 Nov 08

5

NXP Semiconductors

Product data sheet

PNP medium power transistor;

20 V, 1 A

BC869

handbook, full pagewidth

10

1

1

Zth

(K/W)

tp (s)

10

MLE324

tp

tp

T

P

t

T

(10)

(9)

(8)

(7)

(6)

(5)

(4)

(3)

(2)

(1)

Fig.2 Transient thermal impedance as a function of pulse time; typical values.

(1)

δ = 1.

(2)

δ = 0.75.

(3)

δ = 0.5.

(4)

δ = 0.33.

(5)

δ = 0.2.

(6)

δ = 0.1.

(7)

δ = 0.05.

(8)

δ = 0.02.

(9)

δ = 0.01.

(10)

δ = 0.

MLE321

3.5 mm

2 mm

2.8 mm

1.8 mm

1.1

mm

0.7 mm

0.8 mm

3.7 mm

Fig.3

SOT89 standard mounting conditions for

reflow soldering.

handbook, halfpage

MLE322

40 mm

32 mm

2.5 mm

10 mm

5 mm

1.6 mm

0.5 mm

1 mm

3.96 mm

10 mm

Fig.4

Printed-circuit board for SOT89; mounting