AC857BQ-AC857CQ
PNP SMALL SIGNAL TRANSISTOR IN SOT23
Description
Mechanical Data
Case: SOT23
The AC857BQ-AC857CQ Bipolar Junction Transistors (BJT) are
designed to meet the stringent requirements of Automotive
Applications.
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 Plated Leads, Solderable per
MIL-STD-202, Method 208
Features
Weight: 0.008 grams (Approximate)
Ideally Suited for Automatic Insertion
Complementary NPN Types: AC847BQ-AC847CQ
For Switching and AF Amplifier Applications
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)
C
SOT23
C
E
B
B
E
Top View
Device Symbol
Top View
Pin-Out
Ordering Information (Notes 4 & 5)
Product
Compliance
Marking
Reel Size (inches)
Quantity per Reel
AC857BQ-7
AC857CQ-7
Automotive
Automotive
2C6
2C7
7
7
3,000
3,000
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. Refer to http://www.diodes.com/product_compliance_definitions.html.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
SOT23
XXX = Product Type Marking Code
YM = Date Code Marking
Y or Y = Year (ex: E = 2017)
XXX
M or M = Month (ex: 9 = September)
Date Code Key
Year
2016
2017
2018
2019
2020
2021
2022
2023
Code
D
E
F
G
H
I
J
K
Aug
Sep
Oct
Nov
Dec
Month
Code
Jan
Feb
Mar
Apr
May
Jun
Jul
8
9
O
N
D
1
2
3
4
5
6
7
1 of 7
www.diodes.com
April 2017
© Diodes Incorporated
AC857BQ-AC857CQ
Document Number: DS39359 Rev. 3 - 2