SPICE MODELS: BAS19 BAS20 BAS21
BAS19 / BAS20 / BAS21
Lead-free
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
Dim
A
B
C
D
E
Min
0.37
1.20
2.30
0.89
0.45
1.78
2.80
0.013
0.903
0.45
0.085
0°
Max
0.51
1.40
2.50
1.03
0.60
2.05
3.00
0.10
1.10
0.61
0.180
8°
Lead Free/RoHS Compliant (Note 3)
A
Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
B
C
·
Case: SOT-23
TOP VIEW
D
·
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
G
H
J
E
G
H
·
·
·
Moisture Sensitivity: Level 1 per J-STD-020C
K
Terminals: Solderable per MIL-STD-202, Method 208
M
K
L
J
Lead Free Plating (Matte Tin Finish annealed over Alloy
42 leadframe).
L
M
a
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·
·
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Polarity: See Diagram
BAS19 Marking: KA8, KT3, KT2 (See Page 3)
BAS20 Marking: KT2, KT3 (See Page 3)
BAS21 Marking: KT3 (See Page 3)
Weight: 0.008 grams (approximate)
All Dimensions in mm
@ TA = 25°C unless otherwise specified
Maximum Ratings
Characteristic
Symbol
BAS19
BAS20
BAS21
Unit
VRRM
Repetitive Peak Reverse Voltage
120
200
250
V
VRWM
VR
Working Peak Reverse Voltage
DC Blocking Voltage
V
100
71
150
200
141
VR(RMS)
IFM
RMS Reverse Voltage
106
400
200
V
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
mA
mA
IO
2.5
0.5
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
IFSM
A
@ t = 1.0s
IFRM
Pd
Repetitive Peak Forward Surge Current (Note 1)
Power Dissipation (Note 1)
625
250
mA
mW
°C/W
°C
R
qJA
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
500
Tj , TSTG
-65 to +150
@ TA = 25°C unless otherwise specified
Electrical Characteristics
Characteristic
Symbol
Min
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 2)
BAS19
BAS20
BAS21
120
200
250
V(BR)R
IR = 100mA
V
¾
1.0
1.25
IF = 100mA
IF = 200mA
VF
Forward Voltage
V
¾
Tj = 25°C
Tj = 100°C
nA
100
15
IR
CT
trr
Reverse Current @ Rated DC Blocking Voltage (Note 2)
Total Capacitance
¾
¾
¾
mA
VR = 0, f = 1.0MHz
5.0
50
pF
ns
IF = IR = 30mA,
Irr = 0.1 x IR, RL = 100W
Reverse Recovery Time
Note:
1. Part mounted on FR-4 board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration pulse test used to minimize self-heating effect.
3. No purposefully added lead.
DS12004 Rev. 18 - 2
1 of 3
BAS19 / BAS20 / BAS21
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