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Diodes |
Features
• Fast Switching Speed: max. 50ns
• Continuous Reverse Voltage: max. 200V
• Repetitive Peak Reverse Voltage: max. 250V
• Repetitive Peak Forward Current: max. 1A
• Small Surface Mount Package
• For General Purpose Switching Applications
• Lead Free/RoHS Compliant (Note 1)
• "Green" Device (Notes 2 and 3)
BAS21TM
SURFACE MOUNT HIGH VOLTAGE SWITCHING DIODE ARRAY
Mechanical Data
• Case: SOT26
• Case Material: Molded Plastic, "Green" Molding Compound,
Note 5. UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Matte Tin Finish annealed over Copper Alloy
leadframe (Lead Free Plating). Solderable per MIL-STD-202,
Method 208
• Orientation: See Diagram
• Weight: 0.009 grams (approximate)
SOT26
Top View
Top View
Internal Schematic
Ordering Information (Notes 3)
Notes:
Part Number
BAS21TM-7
Case
SOT26
1. No purposefully added lead.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com.
3. For packaging details, go to our website at http://www.diodes.com.
Packaging
3000/Tape & Reel
Marking Information
XJJ
XJJ = Product Type Marking Code
YM = Date Code Marking
Y =Year (ex: Z = 2012)
M = Month (ex: 9 = September)
Date Code Key
Year
Code
2011
Y
Month
Code
Jan
1
Feb
2
2012
Z
Mar
3
2013
A
Apr May
45
2014
B
Jun
6
2015
C
Jul Aug
78
2016
D
Sep
9
2017
E
Oct Nov
ON
2018
F
Dec
D
BAS21TM
Document number: DS35388 Rev. 3 - 2
1 of 4
www.diodes.com
January 2012
© Diodes Incorporated
BAS21TM
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive 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
@ t = 10μs
@ t = 100μs
@ t = 10ms
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
Value
250
250
177
200
250
10
6
2
Unit
V
V
V
mA
mA
A
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
300
417
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 5)
Forward Voltage
Reverse Current (Note 5)
Total Capacitance
Reverse Recovery Time
Symbol
V(BR)R
VF
IR
CT
trr
Min
250
⎯
⎯
⎯
⎯
⎯
Max
⎯
1.0
1.25
100
100
5
50
Unit
V
V
nA
μA
pF
ns
Test Condition
IR = 100μA
IF = 100mA
IF = 200mA
VR = 200V
VR = 200V, TJ = 150°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/datasheets/ap02001.pdf.5.
Short duration pulse test used to minimize self-heating effect.
300
250
Note 4
200
150
100
50
0
0 25 50 75 100 125 150 175
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve, Total Package
1,000
100
10
1
0.1
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics, Per Element
BAS21TM
Document number: DS35388 Rev. 3 - 2
2 of 4
www.diodes.com
January 2012
© Diodes Incorporated
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