DIODS BAS20-7, BAS21-7, BAS19-7 Datasheet
DS12004 Rev. 12 - 2 1 of 2 BAS19 / BAS20 / BAS21
BAS19 / BAS20 / BAS21
SURFACE MOUNT FAST SWITCHING DIODE
Features
·
Case: SOT-23, Molded Plastic
·
Terminals: Solderable per MIL-STD-202,
Method 208
·
Case material - UL Flammability Rating
Classification 94V-0
·
Moisture sensitivity: Level 1 perJ-STD-020A
·
Polarity: See Diagram
·
BAS19 Marking: KA8, KT3, KT2
·
BAS20 Marking: KT2, KT3
· BAS21 Marking: KT3
· Weight: 0.008 grams (approx.)
Mechanical Data
A
E
J
L
TOP VIEW
M
B
C
H
G
D
K
Characteristic Symbol BAS19 BAS20 BAS21 Unit
Repetitive Peak Reverse Voltage
V
RRM
120 200 250 V
Working Peak Reverse Voltage
DC Blocking Voltage
V
RWM
V
R
100 150 200
V
RMS Reverse Voltage
V
R(RMS)
71 106 141 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
250 mW
Thermal Resistance Junction to Ambient Air (Note 1)
R
qJA
500
°C/W
Operating and Storage Temperature Range
T
j,TSTG
-65 to +150
°C
Maximum Ratings
@ TA= 25°C unless otherwise specified
Note: 1. Part mounted on FR-4 board with recommended pad layout, which can be found on ourwebsite
at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration pulse test used to minimize self-heating effect.
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) BAS19
BAS20
BAS21
V
(BR)R
¾
120
200
250
V
I
R
= 100mA
Forward Voltage (Note 2)
V
FM
¾
1.0
1.25
V
I
F
= 100mA
I
F
= 200mA
Reverse Current @ Rated DC Blocking Voltage (Note 2)
I
RM ¾
100
15
nA
mA
T
j
= 25°C
T
j
= 100°C
Total Capacitance
C
T
¾
5.0 pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
¾
50 ns
I
F
= IR= 30mA,
I
rr
= 0.1 x IR,RL= 100W
Electrical Characteristics
@ TA= 25°C unless otherwise specified
·
Fast Switching Speed
·
Surface Mount Package Ideally Suited for
Automatic Insertion
·
For General Purpose Switching Applications
·
High Conductance
SOT-23
Dim Min Max
A 0.37 0.51
B 1.20 1.40
C 2.30 2.50
D 0.89 1.03
E 0.45 0.60
G 1.78 2.05
H 2.80 3.00
J 0.013 0.10
K 0.903 1.10
L 0.45 0.61
M 0.85 0.80
a 0° 8°
All Dimensions in mm
DS12004 Rev. 12 - 2 2 of 2 BAS19 / BAS20 / BAS21
10
1.0
100
1000
0.1
0.01
012
I , INSTANTANEOUS FORWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fi
g
. 1 Forward Characteristics
F
T=25Cj°
1
10
100
0.1
0.01
0 100 200
I , LEAKAGE CURRENT ( A)
R
µ
T , JUNCTION TEMPERATURE ( C)
Fig. 2 Leakage Current vs Junction Temperature
j
°
Ordering Information (Note 3)
Notes: 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device Packaging Shipping
BAS19-7
BAS20-7
BAS21-7
SOT-23 3000/Tape & Reel
Marking Information
XXX
YM
XXX = Product Type Marking Code (See Page 1)
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004
Code JK LMN P R
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 123456789OND
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