Diodes BC857BS User Manual
1
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)
SOT363
SOT363
Top View
C
B1
E1
Mechanical Data
• Case: SOT363
• Case Material: Molded Plastic, “Green” Molding Compound.
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Finish ⎯ Matte Tin Finish. Solderable per MIL-STD-
• Weight: 0.006 grams (approximate)
B2
Device Symbol
UL Flammability Classification Rating 94V-0
202, Method 208
e3
C2
E2
Top View
Pin-Out
BC857BS
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
K3W YM
K3W YM
BC857BS
Datasheet Number DS30373 Rev. 8 - 2
K3W = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: A = 2013)
M = Month (ex: 9 = September)
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θ
)
)
Absolute Maximum Ratings (@T
= +25°C unless otherwise specified.)
A
Characteristic Symbol Value Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Peak Collector Current
Peak Base Current
Thermal Characteristics (@T
= +25°C unless otherwise specified.)
A
Characteristic Symbol Value Unit
Power Dissipation (Note 6)
Thermal Resistance, Junction to Ambient Air (Note 6)
Operating and Storage Temperature Range
BC857BS
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
BM
P
D
R
JA
T
, T
J
STG
-50 V
-45 V
-5.0 V
-100 mA
-200 mA
-200 mA
200 mW
625
-55 to +150
°C/W
°C
Electrical Characteristics (@T
= +25°C unless otherwise specified.)
A
Characteristic (Note 7) Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
DC Current Gain
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
Base-Emitter Voltage
Collector-Cutoff Current
Emitter Cutoff Current
Gain Bandwidth Product
Collector-Base Capacitance
Emitter-Base Capacitance
Notes: 6. For the device mounted on minimum recommended pad layout FR4 PCB with high coverage of single sided 1oz copper, in still air conditions; the device
is measured when operating in a steady-state condition.
7. Short duration pulse test used to minimize self-heating effect.
BV
BV
BV
V
CE(sat)
V
BE(sat
V
I
I
C
C
CBO
CEO
EBO
h
FE
BE(on
CBO
EBO
f
T
CBO
EBO
-50 — — V
-45 — — V
-5 — — V
220 — 475 —
— —
— -700 — mV
-580 -665 -750 mV
—
—
— — -100 nA
—
—
-100
-400
-15
-4.0
100 — — MHz
— 2 3 pF
— 11 — pF
IC = 100µA, IB = 0
IC = 10mA, IB = 0
IE = 100µA, IC = 0
VCE = -5.0V, IC = -2.0mA
= -10mA, IB = -0.5mA
I
mV
C
= -100mA, IB = -5.0mA
I
C
IC = -10mA, IB = -0.5mA
VCE = -5.0V, IC = -2.0mA
nA
µA
CB
V
= -30V, TA = +150°C
CB
= -30V
V
VEB = -5.0V, I
= -5.0V, IC = -10mA,
V
CE
f = 100MHz
VCB = -10V, f = 1.0MHz
VEB = -0.5V, f = 1.0MHz
C
= 0
BC857BS
Datasheet Number DS30373 Rev. 8 - 2
2 of 5
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November 2013
© Diodes Incorporated
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