Thermal Characteristics
Electrical Characteristics
Maximum Ratings
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current
Repetitive Peak Forward Surge Current (Note 1)
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Reverse Breakdown Voltage (Note 2)
Forward Voltage
Reverse Current @ Rated DC Blocking Voltage (Note 2)
Total Capacitance
Reverse Recovery Time
Features
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Notes:
BAS19 / BAS20 / BAS21
Document number: DS12004 Rev. 20 - 2
Fast Switching Speed
Surface Mount Package Ideally Suited for Automated Insertion
For General Purpose Switching Applications
High Conductance
Lead, Halogen and Antimony Free, RoHS Compliant
“Green” Device (Notes 3 and 4)
Qualified to AEC-Q101 Standards for High Reliability
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. Halogen and Antimony Free.
4. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date Code
V9 are built with Non-Green Molding Compound and may contain Halogens or Sb
Characteristic
Characteristic
Characteristic
@T
A
= 25°C unless otherwise specified
@T
A
= 25°C unless otherwise specified
TOP VIEW
@ t = 1.0μs
@ t = 1.0s
BAS19
BAS20
BAS21
www.diodes.com
SOT-23
Symbol
Symbol
V
1 of 3
V
V
V
R(RMS)
I
I
I
FSM
FRM
(BR)R
RWM
V
C
RRM
V
FM
I
I
t
O
R
rr
R
F
T
Mechanical Data
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•
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•
•
•
•
T
Symbol
J
R
, T
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P
θ JA
D
Case: SOT-23
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
Polarity: See Diagram
BAS19 Marking: KA8, KT3; KT2 - See Page 2
BAS20 Marking: KT2, KT3 - See Page 2
BAS21 Marking: KT3 - See Page 2
Ordering Information: See Page 2
Weight: 0.008 grams (approximate)
STG
2
O
Min
120
200
250
⎯
⎯
⎯
BAS19
Internal Schematic
⎯
3
SURFACE MOUNT FAST SWITCHING DIODE
Fire Retardants.
120
100
71
TOP VIEW
Max
1.25
100
1.0
5.0
15
50
⎯
-65 to +150
Value
BAS20
250
500
BAS19 / BAS20 / BAS21
200
150
106
400
200
625
2.5
0.5
Unit
nA
μA
pF
ns
V
V
I
I
I
T
T
V
I
I
R
F
F
F
rr
J
J
R
BAS21
= 100mA
= 200mA
= I
= 0.1 x I
= 100μA
= 25°C
= 100°C
= 0, f = 1.0MHz
250
200
141
Test Condition
R
= 30mA,
© Diodes Incorporated
°C/W
Unit
mW
R
°C
, R
L
June 2008
= 100Ω
Unit
mA
mA
mA
V
V
V
A