Diodes DMP2039UFDE4 - Manual (Page 5)

DMP2039UFDE4
Document number: DS35675 Rev. 3 - 2
5 of 6
www.diodes.com
March 2012
© Diodes Incorporated
DMP2039UFDE4
0.00001 0.0001 0.001 0.01 0.1 1 10 100 1,000
t1, PULSE DURATION TIMES (sec)
Fig. 13 Transient Thermal Resistance
0.001
0.01
0.1
r(t
),
T
R
AN
S
IEN
T
T
H
E
R
MA
L
R
ES
IS
T
AN
C
E
1
R (t) = r(t) * R θ θ JA JA
R = 178°C/W
Duty Cycle, D = t1/ t2
θJA
D = 0.7
D = 0.9
D = 0.5
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
Single Pulse
Package Outline Dimensions
X2-DFN2020-6
Dim Min Max Typ
A − 0.40 −
A1 0 0.05 0.03
A3 − − 0.13
b 0.25 0.35 0.30
D 1.95 2.05 2.00
D2 0.85 1.05 0.95
E 1.95 2.05 2.00
E2 1.40 1.60 1.50
e − − 0.65
L 0.25 0.35 0.30
L1 1.35 1.45 1.40
Z − − 0.20
All Dimensions in mm
D
D2
E
e b(6X)
L
E2
A
A3
A1
Z(3X)
L1
e