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BAS19W - BAS21W
SURFACE MOUNT FAST SWITCHING DIODE Features
* * * * Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance
A
SOT-323 Dim
BC
Min 0.25 1.15 2.00 0.30 1.20 1.80 0.0 0.90 0.25 0.10 0
Max 0.40 1.35 2.20 0.40 1.40 2.20 0.10 1.00 0.40 0.18 8
A B C D
M
Mechanical Data
* * * * * * * * * Case: SOT-323, Molded Plastic Case Material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Terminal Connections: See Diagram BAS19W Marking: KA8 or KT2 or KT3 (See Page 3) BAS20W Marking: KT2 or KT3 (See Page 3) BAS21W Marking: KT3 (See Page 3) Weight: 0.006 grams (approx.)
K
G H
0.65 Nominal
E G H J K L M a
J
D
F
L
TOP VIEW
All Dimensions in mm
Maximum Ratings @ TA = 25C unless otherwise specified
Characteristic Repetitive Peak Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 1) Average Rectified Output Current (Note 1) Non-Repetitive Peak Forward Surge Current @ t = 1.0ms @ t = 1.0s Repetitive Peak Forward Surge Current Power Dissipation Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Symbol VRRM VRWM VR VR(RMS) IFM IO IFSM IFRM Pd RqJA Tj , TSTG BAS19W 120 100 71 BAS20W 200 150 106 400 200 2.5 0.5 625 200 625 -65 to +150 BAS21W 250 200 141 Unit V V V mA mA A mA mW C/W C
Electrical Characteristics
Characteristic Reverse Breakdown Voltage (Note 2)
@ TA = 25C unless otherwise specified Symbol BAS19W BAS20W BAS21W V(BR)R VF IR CT trr Min 120 200 250 3/4 3/4 3/4 3/4 Max 3/4 3/4 3/4 1.0 1.25 100 15 5.0 50 Unit V V nA mA pF ns Test Condition IR = 100mA IF = 100mA IF = 200mA Tj = 25C Tj = 100C VR = 0, f = 1.0MHz IF = IR = 30mA, Irr = 0.1 x IR, RL = 100W
Forward Voltage (Note 2) Reverse Current @ Rated DC Blocking Voltage (Note 2) Total Capacitance Reverse Recovery Time Notes:
1. Part mounted on FR-4 PC board with minimum recommended pad layout, which can be found on our website at http:/www.diodes.com/datasheets/ap02001.pdf. 2. Short duration test pulse used to minimize self-heating effect.
DS30118 Rev. 6 - 2
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BAS19W - BAS21W
IF, INSTANTANEOUS FORWARD CURRENT (A)
1
100
TA = 150C
10
TA = 125C
0.1
1
TA = 75C
0.1
TA = -40C TA = 0C
TA = 25C
0.01
0.01
TA = 25C TA = 75C
TA = 0C
0.001
TA = 125C TA = 150C
TA = -40C
0.001 0.2 0.4 0.8 1.0 1.2 0. 6 1.4 0 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics
0.0001 0 50 100 150 200 250 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics
4.0 3.5 CT, TOTAL CAPACITANCE (pF) 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 10 20 30 40
f = 1.0MHz
250
Pd, POWER DISSIPATION (mW)
200
150
100
50
0 0 100 200
VR, REVERSE VOLTAGE (V) Fig. 3 Typical Capacitance vs. Reverse Voltage
TA, AMBIENT TEMPERATURE (C) Fig. 4 Power Derating Curve, Total Package
DS30118 Rev. 6 - 2
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BAS19W - BAS21W
Ordering Information
Device BAS19W-7 BAS20W-7 BAS21W-7 Notes:
(Note 3) Packaging SOT-323 SOT-323 SOT-323 Shipping 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel
3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XXX
XXX = Product Type Marking Code (See Page 1 Diagrams) YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September
Date Code Key Year Code 2000 L 2001 M 2002 N 2003 P 2004 R 2005 S 2006 T 2007 U 2008 V 2009 W
Month Code
Jan 1
Feb 2
March 3
Apr 4
YM
May 5
Jun 6
Jul 7
Aug 8
Sep 9
Oct O
Nov N
Dec D
DS30118 Rev. 6 - 2
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BAS19W - BAS21W

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