BC857BTQ
45V PNP SMALL SIGNAL TRANSISTOR IN SOT523
Description
Mechanical Data
This Bipolar Junction Transistor (BJT) is designed to meet the
stringent requirements of Automotive applications.
Case: SOT523
Case Material: Molded Plastic. ―Green‖ Molding Compound.
UL Flammability Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin Plated Leads
Solderable per MIL-STD-202, Method 208
Weight: 0.002 grams (Approximate)
Features
BVCEO > -45V
IC = -100mA Collector Current
Epitaxial Planar Die Construction
Ultra-Small Surface Mount Package
Complementary NPN Type: BC847BTQ
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
SOT523
B
E
Pin-Out Top View
Top View
Device Symbol
Ordering Information (Notes 4 and 5)
Part Number
Compliance
Marking
Reel Size (inches)
Tape Width (mm)
Quantity per Reel
BC857BTQ-7
Automotive
3W
7
8
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 https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
SOT523
3W = Product Type Marking Code
YM = Date Code Marking
Y or Y = Year (ex: E = 2017)
M or M = Month (ex: 9 = September)
3W YM
Date Code Key
Year
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
Code
E
F
G
H
I
J
K
L
M
N
O
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
1 of 6
www.diodes.com
September 2017
© Diodes Incorporated
BC857BTQ
Document number: DS39547 Rev. 1 - 2