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BC846AS
DUAL NPN SURFACE MOUNT SMALL SIGNAL TRANSISTOR
Features
• Ideally Suited for Automatic Insertion
• For Switching and AF Amplifier Applications
• Complementary PNP Type Available (BC856AS)
• Lead Free/RoHS Compliant (Note 1)
• "Green" Device (Note 4 and 5)
Mechanical Data
• Case: SOT-363
• Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020C
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
NEW PRODUCT
leadframe).
• Terminal Connections: See Diagram
• Marking Information: See Page 3
• Ordering & Date Code Information: See Page 3
• Weight: 0.006 grams (approximate)
Maximum Ratings @T
Characteristic Symbol Value Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Peak Collector Current
Peak Emitter Current
Power Dissipation (Note 2)
Thermal Resistance, Junction to Ambient (Note 2)
Operating and Storage Temperature Range
= 25°C unless otherwise specified
A
K
J
C
B
1
654
1
2
E
B
1
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
EM
P
R
θ
, T
T
j
A
SOT-363
C
B
Dim Min Max
A 0.10 0.30
B 1.15 1.35
H
M
C 2.00 2.20
D 0.65 Nominal
F 0.30 0.40
H 1.80 2.20
D
E
2
L
F
2
J
K 0.90 1.00
⎯
0.10
L 0.25 0.40
M 0.10 0.25
α
3
C
2
1
All Dimensions in mm
0°
8°
80 V
65 V
6.0 V
100 mA
200 mA
200 mA
d
JA
stg
200 mW
625 °C/W
-65 to +150 °C
Electrical Characteristics @T
= 25°C unless otherwise specified
A
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage (Note 3)
Collector-Emitter Breakdown Voltage (Note 3)
Emitter-Base Breakdown Voltage (Note 3)
DC Current Gain (Note 3)
Collector-Emitter Saturation Voltage (Note 3)
Base-Emitter Saturation Voltage (Note 3)
Base-Emitter Voltage (Note 3)
Collector-Cutoff Current (Note 3)
Gain Bandwidth Product
Collector-Base Capacitance
Notes: 1. No purposefully added lead.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
2. Device mounted on FR-4 PCB, pad layout as shown on page 3 or on Diodes Inc. suggested pad layout document AP02001, which can be found on
our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. Short duration pulse test used to minimize self-heating effect.
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30833 Rev. 7 - 2
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
h
V
CE(SAT)
V
BE(SAT)
V
BE(ON)
I
CES
I
CBO
I
CBO
C
FE
f
T
CB
80 — — V
65 — — V
6 — — V
110 — 220 —
—
—
580
—
—
—
—
100 — — MHz
— 2.0 — pF
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90
200
700
900
660
—
—
—
—
250
600
mV
— mV
700
770
15
15
5.0
mV
nA
nA
µA
IC = 10μA, IB = 0
I
= 10mA, IB = 0
C
I
= 1μA, IC = 0
E
V
= 5.0V, IC = 2.0mA
CE
= 10mA, IB = 0.5mA
I
C
I
= 100mA, IB = 5.0mA
C
= 10mA, IB = 0.5mA
I
C
I
= 100mA, IB = 5.0mA
C
= 5.0V, IC = 2.0mA
V
CE
= 5.0V, IC = 10mA
V
CE
= 80V
V
CE
= 40V
V
CB
V
= 30V, TA = 150°C
CB
VCE = 5.0V, IC = 10mA,
f = 100MHz
V
= 10V, f = 1.0MHz
CB
BC846AS
© Diodes Incorporated

250
0.16
NEW PRODUCT
200
N (mW)
I
150
DISSI
100
D
50
0
25 50
0
T , AMBIENT TEMPERATURE (°C)
A
Fig. 1 Power Derating Curve (Note 2)
75
100 125
150
(A)
0.12
EN
0.08
LLE
0.04
C
I,
0
024 6810
V , COLLECTOR EMITTER VOLTAGE (V)
CE
DS30833 Rev. 7 - 2
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© Diodes Incorporated
BC846AS

20
200
16
12
8
CAPACITANCE (pF)
4
NEW PRODUCT
0
024 6 8
V , REVERSE VOLTAGE (V)
Fig. 7 Typical Capacitance Ch ar acteristics
R
10
Ordering Information (Note 6)
Device
BC846AS-7 SOT-363 3000/Tape & Reel
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Packaging Shipping
V = 5V
190
180
170
160
T
F , GAIN-BANDWIDTH PRODUCT (MHz)
150
0 102030405060708090100
I , COLLECTOR CURRENT (mA)
C
Fig. 8 Typical Gain-Bandwidth Product
vs. Collector Current
CE
Marking Information
KNS
YMKNS
Data Code Key
Year 2007 2008 2009 2010 2011 2012
Code U V W X Y Z
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
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
YM
IMPORTANT NOTICE
LIFE SUPPORT
KNS = Product Type Marking Code
YM = Date Code Marking
Y = Year ex: U = 2007
M = Month ex: 9 = September
DS30833 Rev. 7 - 2
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BC846AS
© Diodes Incorporated