DSS4140U Datasheet, PDF (4/5 Pages) Diodes Incorporated – LOW VCE(SAT) NPN SURFACE MOUNT TRANSISTOR

1
D = 0.7
D = 0.5
D = 0.3
0.1
D = 0.1
D = 0.05
D = 0.02
0.01
D = 0.01
D = 0.005
D = Single Pulse
0.001
0.00001 0.0001
DSS4140U
D = 0.9
R_θJA(t) = r(t) * R_θJA
R_θJA = 240°C/W
P(pk)
t₁
t₂
T_J - T_A = P * R_θJA(t)
Duty Cycle, D = t₁/t₂
0.001
0.01
0.1
1
10
100
t₁, PULSE DURATION TIME (s)
Fig. 8 Transient Thermal Response (Note 3)
1,000 10,000
Ordering Information (Note 5)
Notes:
Part Number
DSS4140U-7
Case
SOT-323
5. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Packaging
3000/Tape & Reel
Marking Information
Date Code Key
Year
Code
Month
Code
2008
V
Jan
1
2009
W
Feb
Mar
2
3
ZN6
ZN6 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: V = 2008)
M = Month (ex: 9 = September)
2010
X
Apr
4
2011
Y
May
Jun
5
6
2012
Z
2013
A
Jul
Aug
Sep
7
8
9
2014
B
2015
C
Oct
Nov
Dec
O
N
D
Package Outline Dimensions
A
BC
G
H
K
M
J
D
L
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
DSS4140U
Document number: DS31689 Rev. 2 - 2
4 of 5
www.diodes.com
March 2009
© Diodes Incorporated