BAS19_08 Datasheet, PDF (1/3 Pages) Diodes Incorporated – SURFACE MOUNT FAST SWITCHING DIODE

BAS19 / BAS20 / BAS21
Features
SURFACE MOUNT FAST SWITCHING DIODE
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Mechanical Data
• 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
• 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)
SOT-23
TOP VIEW
Maximum Ratings @T_A = 25°C unless otherwise specified
Characteristic
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)
@ t = 1.0μs
@ t = 1.0s
Symbol
V_RRM
V_RWM
V_R
V_R(RMS)
I_FM
I_O
I_FSM
I_FRM
TOP VIEW
Internal Schematic
BAS19
120
100
71
BAS20
200
150
106
400
200
2.5
0.5
625
BAS21
Unit
250
V
200
V
141
V
mA
mA
A
mA
Thermal Characteristics
Characteristic
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
P_D
R_θJA
T_J , T_STG
Value
250
500
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics @T_A = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 2)
Forward Voltage
Symbol
Min
BAS19
120
BAS20
V_(BR)R
200
BAS21
250
V_F
⎯
Reverse Current @ Rated DC Blocking Voltage (Note 2)
Total Capacitance
Reverse Recovery Time
I_R
⎯
C_T
⎯
t_rr
⎯
Max
⎯
1.0
1.25
100
15
5.0
50
Unit
V
V
nA
μA
pF
ns
Test Condition
I_R = 100μA
I_F = 100mA
I_F = 200mA
T_J = 25°C
T_J = 100°C
V_R = 0, f = 1.0MHz
I_F = I_R = 30mA,
I_rr = 0.1 x I_R, R_L = 100Ω
Notes:
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 Sb₂O₃ Fire Retardants.
BAS19 / BAS20 / BAS21
Document number: DS12004 Rev. 20 - 2
1 of 3
www.diodes.com
June 2008
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