Diodes DSS4140U - Manual (Page 4)

DSS4140U
Document number: DS31689 Rev. 2 - 2
4 of 5
www.diodes.com
March 2009
© Diodes Incorporated
DSS4140U
NEW PROD
UC
T
0.00001 0.0001 0.001 0.01 0.1 1 10 100 10,000
Fig. 8 Transient Thermal Response (Note 3)
t , PULSE DURATION TIME (s)
1
0.001
0.01
0.1
1
r(t),
T
R
ANSI
E
N
T
T
H
E
R
MA
L
R
ESI
S
T
AN
C
E
1,000
T - T = P * R (t)
Duty Cycle, D = t /t
J A JA
1 2
θ
R (t) = r(t) * θJA R
R = 240°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
Ordering Information
(Note 5)
Part Number Case Packaging
DSS4140U-7 SOT-323 3000/Tape & Reel
Notes: 5. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
Date Code Key
Year 2008 2009 2010 2011 2012 2013 2014 2015
Code V W X Y Z A B C
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
Package Outline Dimensions
SOT-323
Dim Min Max Typ
A 0.25 0.40 0.30
B 1.15 1.35 1.30
C 2.00 2.20 2.10
D - - 0.65
G 1.20 1.40 1.30
H 1.80 2.20 2.15
J 0.0 0.10 0.05
K 0.90 1.00 1.00
L 0.25 0.40 0.30
M 0.10 0.18 0.11
α 0° 8° -
All Dimensions in mm
ZN6 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: V = 2008)
M = Month (ex: 9 = September)
A
M
J
L D
B C
H
K
G
ZN6
YM