Diodes DMN4040SK3 - Manual (Page 5)

DMN4040SK3
Document number: DS32043 Rev. 2 - 2
5 of 6
www.diodes.com
October 2010
© Diodes Incorporated
DMN4040SK3
0.001 0.01 0.1 1 10 100 1,000
Fig. 12 Transient Thermal Response
t , PULSE DURATION TIME (s)
1
0.00001 0.0001
0.001
0.01
0.1
1
r(
t),
T
R
A
N
SI
EN
T
T
H
E
R
MA
L
R
ES
IS
T
AN
C
E
T - T = P * R (t)
Duty Cycle, D = t /t
J A JA
1 2
θ
R (t) = r(t) * θJA R
R = 74°C/W
θ
θ
JA
JA
P(pk)
t
1
t
2
D = 0.7
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
D = Single Pulse
D = 0.9
D = 0.5
Package Outline Dimensions
Suggested Pad Layout
TO252-3L
Dim Min Max Typ
A 2.19 2.39 2.29
A1 0.00 0.13 0.08
A2 0.97 1.17 1.07
b 0.64 0.88 0.783
b2 0.76 1.14 0.95
b3 5.21 5.46 5.33
c2 0.45 0.58 0.531
D 6.00 6.20 6.10
D1 5.21 − −
e − − 2.286
E 6.45 6.70 6.58
E1 4.32 − −
H 9.40 10.41 9.91
L 1.40 1.78 1.59
L3 0.88 1.27 1.08
L4 0.64 1.02 0.83
a 0° 10° −
All Dimensions in mm
Dimensions Value (in mm)
Z 11.6
X1 1.5
X2 7.0
Y1 2.5
Y2 7.0
C 6.9
E1 2.3
X2
C
Z
X1
Y1
E1
Y2
b3
E
2X b2
D
L4
A
c2
e
A1
L
L3
3X b
a
H
A2
E1