DSS4220V
Document number: DS31659 Rev. 2 - 2
4 of 5
www.diodes.com
March 2009
© Diodes Incorporated
DSS4220V
NEW PRODUCT
0.00001 0.0001 0.001 0.01 0.1 1 10 100 1,000 10,000
0.001
0.01
0.1
1
r(t),
ANSIEN
E
MAL
ESIS
AN
E
Fig. 8 Transient Thermal Response (Note 3)
t , PULSE DURATION TIME (s)
1
T - T = P * R (t)
Duty Cycle, D = t /t
JA JA
12
θ
R (t) = r(t) *
θ
JA
R
R = 166°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 6)
Part Number Case Packaging
DSS4220V-7 SOT-563 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-563
Dim Min Max Typ
A 0.15 0.30 0.20
B 1.10 1.25 1.20
C 1.55 1.70 1.60
D - - 0.50
G 0.90 1.10 1.00
H 1.50 1.70 1.60
K 0.55 0.60 0.60
L 0.10 0.30 0.20
M 0.10 0.18 0.11
All Dimensions in mm
ZN7 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: V = 2008)
M = Month (ex: 9 = September)
A
M
L
B
C
H
K
G
D
ZN7
YM
