DIODES BAS19-7

BAS19 / BAS20 / BAS21
SURFACE MOUNT FAST SWITCHING DIODE
Features
·
·
·
·
Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Applications
High Conductance
SOT-23
A
Mechanical Data
·
·
·
·
·
·
·
·
·
B
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 per J-STD-020A
Polarity: See Diagram
BAS19 Marking: KA8, KT3, KT2
BAS20 Marking: KT2, KT3
BAS21 Marking: KT3
Weight: 0.008 grams (approx.)
C
TOP VIEW
E
D
G
H
K
M
J
L
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
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic
Symbol
BAS19
BAS20
BAS21
Unit
Repetitive Peak Reverse Voltage
VRRM
120
200
250
V
Working Peak Reverse Voltage
DC Blocking Voltage
VRWM
VR
100
150
200
V
VR(RMS)
71
106
141
RMS Reverse Voltage
V
Forward Continuous Current
IFM
400
mA
Average Rectified Output Current
IO
200
mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s
IFSM
2.5
0.5
A
Repetitive Peak Forward Surge Current
IFRM
625
mA
Pd
250
mW
RqJA
500
°C/W
Tj , TSTG
-65 to +150
°C
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Electrical Characteristics
@ TA = 25°C unless otherwise specified
Characteristic
Symbol
Min
Max
Unit
V(BR)R
¾
120
200
250
V
IR = 100mA
Forward Voltage (Note 2)
VFM
¾
1.0
1.25
V
IF = 100mA
IF = 200mA
Reverse Current @ Rated DC Blocking Voltage (Note 2)
IRM
¾
100
15
nA
mA
Tj = 25°C
Tj = 100°C
Total Capacitance
CT
¾
5.0
pF
VR = 0, f = 1.0MHz
Reverse Recovery Time
trr
¾
50
ns
IF = IR = 30mA,
Irr = 0.1 x IR, RL = 100W
Reverse Breakdown Voltage (Note 2)
Note:
BAS19
BAS20
BAS21
Test Condition
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.
DS12004 Rev. 12 - 2
1 of 2
BAS19 / BAS20 / BAS21
100
Tj = 25°C
100
IR, LEAKAGE CURRENT (µA)
IF, INSTANTANEOUS FORWARD CURRENT (mA)
1000
10
1.0
0.1
0.01
0
1
10
1
0.1
0.01
2
0
100
200
Tj, JUNCTION TEMPERATURE (°C)
Fig. 2 Leakage Current vs Junction Temperature
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
Ordering Information (Note 3)
Notes:
Device
Packaging
Shipping
BAS19-7
BAS20-7
BAS21-7
SOT-23
3000/Tape & Reel
3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
YM
XXX = Product Type Marking Code (See Page 1)
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
XXX
Date Code Key
Year
1998
1999
2000
2001
2002
2003
2004
Code
J
K
L
M
N
P
R
Month
Jan
Feb
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
DS12004 Rev. 12 - 2
2 of 2
BAS19 / BAS20 / BAS21