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Features
Ideally Suited for Automatic Insertion
Complementary NPN Types: BC846 – BC848
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)
BC856A-BC858C
PNP SMALL SIGNAL TRANSISTOR IN SOT23
Mechanical Data
Case: SOT23
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
Weight: 0.008 grams (Approximate)
SOT23
C
B
Top View
E
Device Symbol
Top View
Pin-Out
Ordering Information (Notes 4 & 5)
Product
BC856A-7-F
BC856AQ-7-F
BC856B-7-F
BC856BQ-7-F
BC856B-13-F
BC856BQ-13-F
BC857A-7-F
Compliance
AEC-Q101
Automotive
AEC-Q101
Automotive
AEC-Q101
Automotive
AEC-Q101
Marking
K3A
K3A
K3B
K3B
K3B
K3B
K3A
Reel Size
(inches)
7
7
7
7
13
13
7
Quantity
per Reel
3,000
3,000
3,000
3,000
10,000
10,000
3,000
Product
BC857B-7-F
BC857BQ-7-F
BC857B-13-F
BC857C-7-F
BC857C-13-F
BC858A-7-F
BC858B-7-F
BC858C-7-F
Compliance
AEC-Q101
Automotive
AEC-Q101
AEC-Q101
AEC-Q101
AEC-Q101
AEC-Q101
AEC-Q101
Marking
K3B
K3B
K3B
K3G
K3G
K3A
K3B
K3G
Reel Size
(inches)
7
7
13
7
13
7
7
7
Quantity
per Reel
3,000
3,000
10,000
3,000
10,000
3,000
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. Automotive, AEC-Q101 and standard products are electrically and thermally
the same, except where specified. For more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/.
5. Tape width is 8mm. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
Date Code Key
Year
Code
Month
Code
xxx
xxx = Product Type Marking Code
(Please see Ordering Information)
YM = Date Code Marking
Y or Y = Year (ex: A = 2013)
M or M = Month (ex: 9 = September)
2010
X
Jan
1
2011
Y
Feb Mar
23
2012
Z
Apr
4
2013
A
May Jun
56
2014
B
Jul
7
2015
C
Aug Sep
89
2016
D
Oct
O
2017
E
Nov Dec
ND
BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
1 of 7
www.diodes.com
October 2014
© Diodes Incorporated
BC856A-BC858C
Typical Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
1,000
TA = 150°C
VCE = 5V
0.5
IC
IB
=
10
0.4
100
TA = 25°C
TA = -50°C
0.3
0.2 TA = 25°C
10 TA = 150°C
1
1 10 100 1,000
IC, COLLECTOR CURRENT (mA)
Figure 1 Typical DC Current Gain vs. Collector Current
1,000
VCE = 5V
0.1
TA = -50°C
0
0.1 1 10 100 1,000
IC, COLLECTOR CURRENT (mA)
Figure 2 Typical Collector-Emitter Saturation Voltage
vs. Collector Current
100
10
1 10 100
IC, COLLECTOR CURRENT (mA)
Figure 3 Gain-Bandwidth Product vs Collector Current
BC856A – BC858C
Document Number: DS11207 Rev. 24 - 2
5 of 7
www.diodes.com
October 2014
© Diodes Incorporated