BC368 Datasheet, PDF (4/9 Pages) Motorola, Inc – Amplifier Transistors

NXP Semiconductors
NPN medium power transistor;
20 V, 1 A
Product data sheet
BC368
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
VALUE
R_th(j-a)
thermal resistance from junction to ambient
T_amb ≤ 25 °C; notes 1 and 2
150
Notes
1. Refer to SOT54 (SC-43A) standard mounting conditions.
2. Device mounted on an FR4 printed-circuit board, single-sided copper, tin-plated footprint.
UNIT
K/W
10³
handbook, full pagewidth
Zth
(K/W)
(1)
10²
(2)
(3)
(4)
(5)
(6)
10 (7)
(8)
(9)
1
(10)
10^−1
10^−5
10^−4
10^−3
10^−2
10^−1
1
MLE330
P
δ
=
tp
T
tp
t
T
10
10²
10³
tp (s)
(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 = 1.
(10) δ = 0.
Fig.2 Transient thermal impedance as a function of pulse time; typical values.
2004 Nov 05
4