BC857BS
Datasheet Number DS30373 Rev. 8 - 2
1 of 5
www.diodes.com
November 2013
© Diodes Incorporated
BC857BS
45V DUAL PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
• Ultra-Small Surface Mount Package
• Ideally Suited for Automated Insertion
• For switching and AF Amplifier Application
• Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
• Halogen and Antimony Free. "Green" Device (Note 3)
• Qualified to AEC-Q101 Standards for High Reliability
• PPAP capable (Note 4)
Mechanical Data
• Case: SOT363
• Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Finish ⎯ Matte Tin Finish. Solderable per MIL-STD-
202, Method 208
• Weight: 0.006 grams (approximate)
Ordering Information (Notes 4 & 5)
Product Compliance Marking Reel size (inches) Tape width (mm) Quantity per reel
BC857BS-7-F AEC-Q101 K3W 7 8 3,000
BC857BSQ-7-F Automotive K3W 7 8 3,000
BC857BS-13-F AEC-Q101 K3W 13 8 10,000
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/quality/lead_free.html 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. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally
the same, except where specified.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
Date Code Key
Year 2010 2011 2012 2013 2014 2015 2016 2017
Code X Y Z A B C D E
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
Device Symbol
K3W YM
K3W YM
K3W = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: A = 2013)
M = Month (ex: 9 = September)
e3
Top View
SOT363
Top View
Pin-Out
C2
E2
B2
C
E1
B1
SOT363
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