|
Diodes Incorporated |
Features
• 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 1 and 2)
• Qualified to AEC-Q101 Standards for High Reliability
BAS19 / BAS20 / BAS21
SURFACE MOUNT FAST SWITCHING DIODE
Mechanical Data
• Case: SOT23
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
• Polarity: See Diagram
• Weight: 0.008 grams (approximate)
SOT23
Top View
Top View
Internal Schematic
Ordering Information (Note 3)
Notes:
Part Number
BAS19-7-F
BAS20-7-F
BAS20-13-F
BAS20Q-13-F
BAS21-7-F
BAS21Q-7-F
BAS21-13-F
BAS21Q-13-F
Qualification
Commercial
Commercial
Commercial
Automotive
Commercial
Automotive
Commercial
Automotive
Case
SOT23
SOT23
SOT23
SOT23
SOT23
SOT23
SOT23
SOT23
Packaging
3,000/Tape & Reel
3,000/Tape & Reel
10,000/Tape & Reel
10,000/Tape & Reel
3,000/Tape & Reel
3,000/Tape & Reel
10,000/Tape & Reel
10,000/Tape & Reel
1. No purposefully added lead. Halogen and Antimony Free.
2. 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 Sb2O3 Fire Retardants.
3. For packaging details, go to our website at http://www.diodes.com.
Marking Information
KXX
KXX = Product Type Marking Code
BAS19 Marking: KA8, KT3; KT2
BAS20 Marking: KT2, KT3
BAS21 Marking: KT3
YM = Date Code Marking
Y = Year (ex: Y = 2011)
M = Month (ex: 9 = September)
Date Code Key
Year
Code
Month
Code
2000
L
Jan
1
2001
M
Feb
2
2002
N
Mar
3
….. 2009 2010 2011 2012 2013 2014
….. W
X
Y
Z
A
B
Apr May Jun
456
Jul Aug Sep
78 9
2015
C
Oct
O
2016
D
Nov
N
2017
E
Dec
D
BAS19 / BAS20 / BAS21
Document number: DS12004 Rev. 21 - 2
1 of 4
www.diodes.com
November 2011
© Diodes Incorporated
BAS19 / BAS20 / BAS21
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 4)
Average Rectified Output Current (Note 4)
Non-Repetitive Peak Forward Surge Current
Repetitive Peak Forward Surge Current (Note 4)
@ t = 1.0μs
@ t = 1.0s
Symbol
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
IFRM
BAS19
120
100
71
BAS20
200
150
106
400
200
2.5
0.5
625
BAS21
250
200
141
Unit
V
V
V
mA
mA
A
mA
Thermal Characteristics
Characteristic
Power Dissipation (Note 4)
Thermal Resistance Junction to Ambient Air (Note 4)
Operating and Storage Temperature Range
Symbol
PD
RθJA
TJ , TSTG
Value
250
500
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 5)
Forward Voltage
BAS19
BAS20
BAS21
Reverse Current @ Rated DC Blocking Voltage (Note 5)
Total Capacitance
Reverse Recovery Time
Symbol
V(BR)R
VF
IR
CT
trr
Min
120
200
250
⎯
⎯
⎯
⎯
Max
⎯
1.0
1.25
100
15
5.0
50
Unit
V
V
nA
μA
pF
ns
Test Condition
IR = 100μA
IF = 100mA
IF = 200mA
TJ = 25°C
TJ = 100°C
VR = 0, f = 1.0MHz
IF = IR = 30mA,
Irr = 0.1 x IR, RL = 100Ω
Notes:
4. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com.
5. Short duration pulse test used to minimize self-heating effect.
250 1
200
Note 4
0.1
150
100
50
0
0 40 80 120 160 200
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
0.01
0.001
0
0.2 0.4 0. 6 0.8 1.0 1.2 1.4
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
BAS19 / BAS20 / BAS21
Document number: DS12004 Rev. 21 - 2
2 of 4
www.diodes.com
November 2011
© Diodes Incorporated
|