BAS19/BAS20 BAS21
Surface Mount Switching Diode
Features:
*Fast Switching Speed *Surface Mount Package Ideally Suited for Automatic Insertion *High Conductance *For General Purpose Switching Applications Mechanical Data: *Case: SOT-23 Molded Plastic *Terminals: Solderable Per MIL-STD-202, Method 208 *Polarity: See Eqivalent Circuit Diagram *Weight: 0.008grams(approx)
SWITCHING DIODE 200mAMPERS 120-250VOLTS
3 1 2
SOT-23
SOT-23 Outline Dimensions
A
Unit:mm
TOP VIEW
B
C
E
G H
D
K L
J
M
Dim A B C D E G H J K L M
Min 0.35 1.19 2.10 0.85 0.46 1.70 2.70 0.01 0.89 0.30 0.076
Max 0.51 1.40 3.00 1.05 1.00 2.10 3.10 0.13 1.10 0.61 0.25
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WEITRON
BAS19/BAS20 BAS21
Maximum Ratings
Characteristic
Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Forward Continuous Current(1) Average Rectified Output Current(1) Non-Repetitive Peak Forward Surge Current @t=1.0us @t=1.0s Power Dissipation Thermal Resistance Junction to Ambient Air (1) Operating and Storage Temperature Range
W E IT R ON
Symbol BAS19
120 100
(TA=25 C Unless otherwise noted) BAS20
200 150 400 200
BAS21
250 200
Unit
Volts Volts mA mA
VRM VRRM VRWM VR
IFM Io IFSM
2.5 0.5 250 500
A mW K/W C
Pd R θJA T j ,TSTG
-65 to +150
Electrical Characteristics
Characteristic Forward Voltage IF =100mA
IF =200mA
(TA=25 C Unless otherwise noted) Symbol VF IR Cj Min Max
1.0 1.25
Unit Volts nAdc PF nS
Reverse Leakage @Rated DC Blocking Voltage Total Capacitance (VR=1.0V, f=1.0MHz) Reverse Recovery Time IF= IR =30mA Irr=0.1*IR ,RL=100 Ω
100 5.0
trr
50
NOTE: 1. Valid provided that terminals are kept at ambient temperature.
http://www.weitron.com.tw
WEITRON
BAS19/BAS20 BAS21
Device Marking
Item BAS19 BAS20 BAS21 Marking JP JR JS JS 3 1 Eqivalent Circuit diagram
(mA)
1000
Tj = 25 °C
100
I F , INST ANT ANEOUS FOR W ARD CURRENT
( uA) CURRENT
100
10
10
1
I R , LEAKAGE
0 1 2
1.0
0.1
0.1
0.01 V F , INST ANT ANEOUS FOR W ARD VOL T AGE (V) Fi g. 1 Forward Characteristics
0.01 0 100 200 T j, JUNCTION TEMPERA TURE ( °C ) Fig. 2 Leakage Current vs Junction Temperature
WEITRON
http://www.weitron.com.tw
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