DS30264 Rev. B-2
1 of 2
BAS21T
BAS21T
SURFACE MOUNT FAST SWITCHING DIODE
Case: SOT-523, Molded Plastic
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: See Diagram
Marking: T3
Weight: 0.002 grams (approx.)
Mechanical Data
A
B C
G
M
L
J
D
H
N
K
TOP VIEW
Features
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
NEW
P
RODUCT
Ultra-Small Surface Mount Package
Fast Switching Speed
For General Purpose Switching Applications
High Conductance
Characteristic
Symbol
Value
Unit
Repetitive Peak Reverse Voltage
V
RRM
250
V
Working Peak Reverse Voltage
DC Blocking Voltage
V
RWM
V
R
200
V
RMS Reverse Voltage
V
R(RMS)
141
V
Forward Continuous Current
I
FM
400
mA
Average Rectified Output Current
I
O
200
mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s
I
FSM
2.5
0.5
A
Repetitive Peak Forward Surge Current
I
FRM
625
mA
Power Dissipation (Note 1)
P
d
150
mW
Thermal Resistance Junction to Ambient (Note 1)
R
qJA
833
C/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +150
C
Characteristic
Symbol
Min
MaxUnit
Test Condition
Maximum Forward Voltage
V
FM
1.0
1.25
V
I
F
= 100mA
I
F
= 200mA
Maximum Peak Reverse Current
@ Rated DC Blocking Voltage
I
RM
100
15
nA
mA
T
j
= 25C
T
j
= 100C
Junction Capacitance
C
j
5.0
pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
50
ns
I
F
= I
R
= 30mA,
I
rr
= 0.1 x I
R
, R
L
= 100W
SOT-523
Dim Min MaxTyp
A
0.15 0.30 0.22
B
0.75 0.85 0.80
C
1.45 1.75 1.60
D
0.50
G
0.90 1.10 1.00
H
1.50 1.70 1.60
J
0.00 0.10 0.05
K
0.60 0.80 0.75
L
0.10 0.30 0.22
M
0.10 0.20 0.12
N
0.45 0.65 0.50
All Dimensions in mm
Notes:
1. Device mounted on FR-4 PC board with recommended pad layout, minimum.
2. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device
Packaging
Shipping
BAS21T-7
SOT-523
3000/Tape & Reel
Ordering Information
(Note 2)
DS30264 Rev. B-2
2 of 2
BAS21T
NEW
P
RODUCT
10
1.0
100
1000
0.1
0.01
0
1
2
I
,
INST
ANT
ANEOUS
F
OR
W
ARD
CURRENT
(mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
F
T = 25 C
j
1
10
100
0.1
0.01
0
100
200
I
,
LEAKAGE
CURRENT
(
A)
R
T , JUNCTION TEMPERATURE ( C)
Fig. 2 Leakage Current vs Junction Temperature
j
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