Package outline dimensions, Suggested pad layout – Diodes DMN21D2UFB User Manual
Page 5
DMN21D2UFB
Document number: DS35564 Rev. 5 - 2
5 of 6
May 2012
© Diodes Incorporated
DMN21D2UFB
NEW PROD
UC
T
ADVAN
CE I
N
F
O
RM
ATI
O
N
ADVAN
CE I
N
F
O
RM
ATI
O
N
0.000001 0.00001
0.0001
0.001
0.01
0.1
1
10
100
1,000
t1, PULSE DURATION TIME (sec)
Fig. 13 Transient Thermal Resistance
0.001
0.01
0.1
1
r(t),
T
R
ANSI
E
N
T
T
H
E
R
MA
L
R
ES
IS
T
AN
C
E
R
(t) = r(t) * R
R
= 315°C/W
Duty Cycle, D = t1/ t2
θ
θ
θ
JA
JA
JA
D = 0.5
D = 0.7
D = 0.9
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
D = Single Pulse
Package Outline Dimensions
Suggested Pad Layout
X1-DFN1006-3
Dim
Min
Max Typ
A
0.47
0.53 0.50
A1
0
0.05 0.03
b1
0.10
0.20 0.15
b2
0.45
0.55 0.50
D
0.95
1.075 1.00
E
0.55
0.675 0.60
e
⎯
⎯
0.35
L1
0.20
0.30 0.25
L2
0.20
0.30 0.25
L3
⎯
⎯
0.40
All Dimensions in mm
Dimensions
Value (in mm)
Z
1.1
G1
0.3
G2
0.2
X
0.7
X1
0.25
Y
0.4
C
0.7
Y
C
G1
G2
X
X
1
Z
L2
A1
E
b2
L1
L3
D
e
b1
A