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Diodes BAS521 User Manual

Bas521, Features, Mechanical data

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BAS521

Document number: DS32175 Rev. 5 - 2

1 of 4

www.diodes.com

December 2012

© Diodes Incorporated

BAS521

HIGH VOLTAGE SWITCHING DIODE

Features

Fast Switching Speed: max. 50 ns

High Reverse Breakdown Voltage: 300V

Low Leakage Current: 100nA at room temperature

Ultra Small Plastic SMD Package

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

Mechanical Data

• Case:

SOD-523

Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0

Moisture Sensitivity: Level 1 per J-STD-020

Terminal Connections: Cathode Bar

Terminals: Finish - Matte Tin annealed over Alloy 42 leadframe.

Solderable per MIL-STD-202, Method 208

Weight: 0.0014 grams (approximate)

Ordering Information

(Note 4)

Part Number

Case

Packaging (Note 5)

BAS521-7

SOD523

3000/Tape & Reel

BAS521-13

SOD523

10000/Tape & Reel

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
5. Dispensed in every other cavity of the tape.






Marking Information









Top View

1

2

Device Schematic

99 = Product Type Marking Code
Bar Denotes Cathode Side

99

SOD523