Bas21t, Ordering information, Marking information – Diodes BAS21T User Manual
Page 2: T3ym
BAS21T
Document number: DS30264 Rev. 10 - 2
2 of 3
March 2009
© Diodes Incorporated
BAS21T
0
100
200
200
150
50
100
0
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Power Derating Curve
A
°
P
,
P
O
WE
R
DI
SSI
P
A
T
IO
N
(mW
)
D
0.001
0.01
0.1
1
0
0.4
0.2
0. 6
I,
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
WA
R
D
C
U
R
R
E
N
T
(A
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
0.8
1.2
1.0
1.4
0.0001
0.01
0.001
0.1
1
10
100
0
50
100
200
150
250
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
R
T = -40ºC
A
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
T = 150ºC
A
T = 0ºC
A
0.0
0.5
1.0
1.5
3.5
3.0
2.5
2.0
4.0
0
10
20
40
30
C
,
T
O
T
AL
C
A
P
A
C
IT
AN
C
E (
p
F
)
T
V , DC REVERSE VOLTAGE (V)
Fig. 4 Total Capacitance vs. Reverse Voltage
R
Ordering Information
(Notes 5 & 6)
Part Number
Case
Packaging
BAS21T-7-F
SOT-523
3000/Tape & Reel
Notes:
6. For packaging details, go to our website at
Marking Information
Date Code Key
Year
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
Code
M
N
P
R
S
T
U
V
W
X
Y
Z
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
T3 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
T3YM