®
BAS21T
SURFACE MOUNT FAST SWITCHING DIODE
WON-TOP ELECTRONICS
Pb
Features
Silicon Epitaxial Planar Die Construction
Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Applications
Plastic Material – UL Recognition Flammability
Classification 94V-0
A
B
K
C
L
D
G
SOT-523
Min
Max
0.15
0.30
0.75
0.85
1.45
1.75
0.50 Typical
0.90
1.10
1.50
1.70
0.60
0.80
0.02
0.10
0.10
0.30
0.10
0.20
Mechanical Data
Case: SOT-523, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: See Diagram
Weight: 0.002 grams (approx.)
Mounting Position: Any
Marking: T3
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
H
J
E
Dim
A
B
C
D
E
G
H
J
K
L
TOP VIEW
All Dimensions in mm
Maximum Ratings
@T
A
=25°C unless otherwise specified
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Continuous Forward Current
Repetitive Peak Forward Current
Non-Repetitive Peak Forward Surge Current
Operating and Storage Temperature Range
@ t = 1.0µs
@ t = 1.0s
Symbol
V
RRM
V
RWM
V
R
I
O
I
FRM
I
FSM
T
J
, T
STG
Value
250
200
200
625
2.5
0.5
-55 to +150
Unit
V
V
mA
mA
A
°C
Thermal Characteristics
Characteristic
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Symbol
P
D
R
θJA
Value
150
833
Unit
mW
°C/W
Note: 1. Mounted on FR-4 PC board with minimum recommended pad layout.
© Won-Top Electronics Co., Ltd.
Revision: May, 2014
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1
®
BAS21T
WON-TOP ELECTRONICS
Electrical Characteristics
@T
A
=25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage
Forward Voltage Drop
Peak Reverse Leakage Current
@ I
R
= 100µA
@ I
F
= 100mA
@ I
F
= 200mA
@ V
R
= 200V, T
J
= 25°C
@ V
R
= 200V, T
J
= 100°C
Symbol
V
(BR)
V
FM
I
RM
C
D
t
rr
Min.
250
Typ.
Max.
Unit
V
1.0
1.25
0.1
15
5.0
50
V
µA
pF
nS
Diode Capacitance (V
R
= 0V, f = 1.0MHz)
Reverse Recovery Time (I
F
= I
R
= 30mA, I
RR
= 0.1 x I
R
, R
L
= 100Ω)
200
I
F
, INSTANTANEOUS FORWARD CURRENT (mA)
250
1000
P
D
, POWER DISSIPATION (mW)
100
T
A
= 150°C
150
T
A
= 55°C
100
T
A
= 25°C
10
50
T
A
= -40°C
0
0
15
30
45
60
75
90 105 120 135 150
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
1.0
0.2
0.4
0.6
0.8
1.0
1.2
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
I
R
, INSTANTANEOUS REVERSE CURRENT (µA)
2.0
1.8
C
T
, TOTAL CAPACITANCE (pF)
1.6
f = 1.0MHz
100
T
A
= 150°C
10
T
A
= 125°C
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
10
20
30
40
50
1
T
A
= 75°C
0.1
T
A
= 25°C
0.01
T
A
= 0°C
0.001
0
50
100
150
200
250
V
R
, DC REVERSE VOLTAGE (V)
Fig. 3 Total Capacitance vs. Reverse Voltage
V
R
, INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 4 Typical Reverse Characteristics
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© Won-Top Electronics Co., Ltd.
Revision: May, 2014
®
BAS21T
WON-TOP ELECTRONICS
MARKING INFORMATION
RECOMMENDED FOOTPRINT
0.020
(0.51)
T3
0.020
(0.51)
0.051
(1.30)
T3
= Device Code
0.015
(0.38)
0.028
(0.71)
inches(mm)
PACKAGING INFORMATION
TAPE & REEL
Inspection Hole
Direction of Unreeling
4mm
178mm
8mm
4mm
8mm
Product ID Label
1.6mm
Reel Diameter
(mm)
178
Quantity
(PCS)
3,000
Inner Box Size
L x W x H (mm)
187 x 187 x 65
Quantity
(PCS)
15,000
Carton Size
L x W x H (mm)
390 x 240 x 420
Quantity
(PCS)
150,000
Approx. Gross Weight
(KG)
8.0
Note:
1. Anti-static plastic reel, white, water clear or blue color. Inspection hole might be varied in different alignment.
2. Components are packed in accordance with EIA standard 481-1 and 481-2.
© Won-Top Electronics Co., Ltd.
Revision: May, 2014
www.wontop.com
3
®
BAS21T
WON-TOP ELECTRONICS
ORDERING INFORMATION
Product No.
BAS21T-T1
1.
2.
Package Type
SOT-523
Shipping Quantity
3000/Tape & Reel
Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
To order RoHS / Lead Free version (with Lead Free finish), add “-LF”
suffix to part number above. For example, BAS21T-T1-LF.
WON-TOP ELECTRONICS and
are registered trademarks of Won-Top Electronics Co., Ltd (WTE). WTE has checked all information carefully and
believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the
purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein
without further notice.
WARNING:
DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road,
Chine Chen Dist., Kaohsiung 806, Taiwan
Phone:
886-7-822-5408 or 886-7-822-5410
Fax:
886-7-822-5417
Email:
sales@wontop.com
Internet:
http://www.wontop.com
We power your everyday.
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© Won-Top Electronics Co., Ltd.
Revision: May, 2014
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