DS30264 Rev. B-2 1 of 2 BAS21T
BAS21T
SURFACE MOUNT FAST SWITCHING DIODE
·Case: SOT-523, Molded Plastic
·Terminals: Solderable per MIL-STD-202,
Method 208
·Polarity: See Diagram
·Marking: T3
·Weight: 0.002 grams (approx.)
Mechanical Data
A
BC
G
M
L
JD
H
N
K
TOP VIEW
Features
Maximum Ratings @ TA= 25°C unless otherwise specified
Electrical Characteristics @ TA= 25°C unless otherwise specified
NEW PRODUCT
·Ultra-Small Surface Mount Package
·Fast Switching Speed
·For General Purpose Switching Applications
·High Conductance
Characteristic Symbol Value Unit
Repetitive Peak Reverse Voltage VRRM 250 V
Working Peak Reverse Voltage
DC Blocking Voltage
VRWM
VR200 V
RMS Reverse Voltage VR(RMS) 141 V
Forward Continuous Current IFM 400 mA
Average Rectified Output Current IO200 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s IFSM 2.5
0.5 A
Repetitive Peak Forward Surge Current IFRM 625 mA
Power Dissipation (Note 1) Pd150 mW
Thermal Resistance Junction to Ambient (Note 1) RqJA 833 °C/W
Operating and Storage Temperature Range Tj,T
STG -65 to +150 °C
Characteristic Symbol Min Max Unit Test Condition
Maximum Forward Voltage VFM ¾1.0
1.25 VIF= 100mA
IF= 200mA
Maximum Peak Reverse Current
@ Rated DC Blocking Voltage IRM ¾100
15
nA
mA
Tj= 25°C
Tj= 100°C
Junction Capacitance Cj¾5.0 pF VR= 0, f = 1.0MHz
Reverse Recovery Time trr ¾50 ns IF= IR= 30mA,
Irr = 0.1 x IR,R
L= 100W
SOT-523
Dim Min Max Typ
A0.15 0.30 0.22
B0.75 0.85 0.80
C1.45 1.75 1.60
D¾¾0.50
G0.90 1.10 1.00
H1.50 1.70 1.60
J0.00 0.10 0.05
K0.60 0.80 0.75
L0.10 0.30 0.22
M0.10 0.20 0.12
N0.45 0.65 0.50
All Dimensions in mm
Notes: 1. Device mounted on FR-4 PC board with recommended pad layout, minimum.
2. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device Packaging Shipping
BAS21T-7 SOT-523 3000/Tape & Reel
Ordering Information (Note 2)
DS30264 Rev. B-2 2 of 2 BAS21T
NEW PRODUCT
10
1.0
100
1000
0.1
0.01
012
I , INSTANTANEOUS FORWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fi
g
. 1 Forward Characteristics
F
T=25C
j°
1
10
100
0.1
0.01
0 100 200
I , LEAKAGE CURRENT ( A)
R
µ
T , JUNCTION TEMPERATURE ( C)
Fi
g
. 2 Leaka
g
e Current vs Junction Temperature
j°