Diodes BAS21TW User Manual
NEW PRODUCT
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
High Conductance
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standard for High Reliability
SOT363
Top View
BAS21TW
SURFACE MOUNT FAST SWITCHING DIODE ARRAY
Mechanical Data
Case: SOT363
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 Alloy 42 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
Orientation: See Diagram
Weight: 0.009 grams (approximate)
Top View
Internal Schematic
e3
Ordering Information (Note 4)
Part Number Case Packaging
BAS21TW-7 SOT363 3000/Tape & Reel
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http”//www.diodes.com/products/packages.html.
Marking Information
Date Code Key
Year 2011 2012 2013 2014 2015 2016 2017 2018
Code Y Z A B C D E F
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
XJK
XJK = Product Type Marking Code
YM = Date Code Marking
Y =Year (ex: T = 2011)
YM
M = Month (ex: 9 = September)
BAS21TW
Document number: DS35389 Rev. 3 - 2
1 of 4
www.diodes.com
April 2013
© Diodes Incorporated
P
P
OWER
PAT
O
T
T
O
US F
O
R
R
CUR
R
T
NEW PRODUCT
Maximum Ratings (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 5)
Non-Repetitive Peak Forward Surge Current @ t = 50µs
@ t = 100µs
@ t = 10ms
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 5)
Thermal Resistance Junction to Ambient Air (Note 5)
Operating and Storage Temperature Range
V
V
V
R(RMS)
R
T
J
V
RRM
RWM
V
I
I
FSM
P
, T
FM
RM
θJA
R
D
STG
BAS21TW
250 V
250 V
177 V
200 mA
10
8
2
A
300 mW
417 °C/W
-65 to +150 °C
Electrical Characteristics (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 6)
Forward Voltage
Reverse Current (Note 6)
Total Capacitance
Reverse Recovery Time
Notes: 5. 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.
6. Short duration pulse test used to minimize self-heating effect.
V
(BR)R
V
F
I
R
C
T
t
rr
300
250
Note 5
250
1.05
1.25
100
100
5 pF
50 ns
V
IR = 100µA
= 100mA
I
F
V
I
= 200mA
F
V
nA
µA
R
V
R
VR = 6, f = 1.0MHz
VR = 6V, IF = 5mA
= 200V
= 200V, TJ = +150°C
1,000
(mA)
EN
100
N (mW)
200
I
150
DISSI
100
,
D
50
D
WA
ANE
AN
10
1
T = 150°C
A
T = 125°C
A
T = 85°C
A
T = 25°C
A
T = -55°C
A
0
0
25
50 75
T , AMBIENT TEMPERATURE ( C)
A
125 175
100
Figure 1 Power Derating Curve, Total Package
150
°
0.1
F
I , INS
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Figure 2 Typical Forward Characteristics, Per Element
BAS21TW
Document number: DS35389 Rev. 3 - 2
2 of 4
www.diodes.com
April 2013
© Diodes Incorporated
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