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SPICE MODELS: BAS19W BAS20W BAS21W
Lead-free Green
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 Lead Free/RoHS Compliant (Note 3) Qualified to AEC-Q101 Standards for High Reliability "Green" Device (Note 4 and 5)
G H K M BC A
SOT-323 Dim A B C D E G H J K L M a 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
Mechanical Data
Case: SOT-323 Case Material: Molded Plastic, "Green" Molding Compound, Note 5. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020C Terminal Connections: See Diagram Terminals: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). 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 (approximate)
0.65 Nominal
J
D
E
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 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. 3. No purposefully added lead. 4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 5. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30118 Rev. 11 - 2
1 of 3 www.diodes.com
BAS19W - BAS21W
a Diodes Incorporated
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
f = 1.0MHz
250 Note 1
Pd, POWER DISSIPATION (mW)
0 10 20 30 40
CT, TOTAL CAPACITANCE (pF)
3.0 2.5 2.0 1.5 1.0 0.5 0.0
200
150
100
50
0 0 100 TA, AMBIENT TEMPERATURE ( C) Fig. 4 Power Derating Curve 200
VR, REVERSE VOLTAGE (V) Fig. 3 Typical Capacitance vs. Reverse Voltage
DS30118 Rev. 11 - 2
2 of 3 www.diodes.com
BAS19W - BAS21W
Ordering Information
Device BAS19W-7-F BAS20W-7-F BAS21W-7-F
Notes:
(Note 5 and 6) Packaging SOT-323 SOT-323 SOT-323 Shipping 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel
5. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. 6. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XXX = Product Type Marking Code (See Page 1 Diagrams) YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September
XXX
Date Code Key Year Code 2000 L 2001 M 2002 N 2003 P
YM
2004 R
2005 S
2006 T
2007 U
2008 V
2009 W
2010 X
2011 Y
2012 Z
Month Code
Jan 1
Feb 2
March 3
Apr 4
May 5
Jun 6
Jul 7
Aug 8
Sep 9
Oct O
Nov N
Dec D
IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated.
DS30118 Rev. 11 - 2
3 of 3 www.diodes.com
BAS19W - BAS21W

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