BAS21T_15 Datasheet, PDF (1/3 Pages) SeCoS Halbleitertechnologie GmbH – Plastic- Encapsulated Diode

Features
• Ultra-Small Surface Mount Package
• Fast Switching Speed
• For General Purpose Switching Applications
• High Conductance
• Lead Free/RoHS Compliant (Note 3)
• "Green" Device (Notes 4 and 5)
BAS21T
SURFACE MOUNT FAST SWITCHING DIODE
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Mechanical Data
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SOT-523
Case: SOT-523
Case Material: Molded Plastic, "Green" Molding Compound,
Note 5. 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
Marking Information: See Page 2
Ordering Information: See Page 2
Weight: 0.002 grams (approximate)
TOP VIEW
TOP VIEW
Internal Schematic
Maximum Ratings @T_A = 25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Repetitive Peak Reverse Voltage
V_RRM
250
V
Working Peak Reverse Voltage
DC Blocking Voltage
V_RWM
200
V
V_R
RMS Reverse Voltage
V_R(RMS)
141
V
Forward Continuous Current (Note 1)
I_FM
400
mA
Average Rectified Output Current (Note 1)
I_O
200
mA
Non-Repetitive Peak Forward Surge Current
@ t = 1.0μs
@ t = 1.0s
I_FSM
2.5
0.5
A
Repetitive Peak Forward Surge Current
I_FRM
625
mA
Thermal Characteristics
Characteristic
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient (Note 1)
Operating and Storage Temperature Range
Symbol
P_D
R_θJA
T_J, T_STG
Value
150
833
-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
Reverse Current @ Rated DC Blocking Voltage (Note 2)
Total Capacitance
Reverse Recovery Time
Symbol Min
V_(BR)R
250
V_F
⎯
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. Device mounted on FR-4 PC 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.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb₂O₃ Fire Retardants.
BAS21T
Document number: DS30264 Rev. 10 - 2
1 of 3
www.diodes.com
March 2009
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