DS30833 Rev. 7 - 2
1 of 3
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BC846AS
© Diodes Incorporated
BC846AS
DUAL NPN SURFACE MO UNT 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
leadframe).
• Terminal Connections: See Diagram
• Marking Information: See Page 3
• Ordering & Date Code Information: See Page 3
• Weight: 0.006 grams (approximate)
SOT-363
Dim Min Max
A 0.10 0.30
B 1.15 1.35
C 2.00 2.20
D 0.65 Nominal
F 0.30 0.40
H 1.80 2.20
J ⎯ 0.10
K 0.90 1.00
L 0.25 0.40
M 0.10 0.25
α 0° 8°
All Dimensions in mm
C
1
654
3
2
1
B
2
E
2
E
1
B
1
C
2
A
M
JL
D
BC
H
K
F
NEW PRODUCT
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Collector-Base Voltage VCBO 80 V
Collector-Emitter Voltage VCEO 65 V
Emitter-Base Voltage VEBO 6.0 V
Collector Current IC100 mA
Peak Collector Current ICM 200 mA
Peak Emitter Current IEM 200 mA
Power Dissipation (Note 2) Pd200 mW
Thermal Resistance, Junction to Ambient (Note 2) RθJA 625 °C/W
Operating and Storage Temperature Range Tj, Tstg -65 to +150 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Collector-Base Breakdown Voltage (Note 3) V(BR)CBO 80 — — V
IC = 10μA, IB = 0
Collector-Emitter Breakdown Voltage (Note 3) V(BR)CEO 65 — — V
IC = 10mA, IB = 0
Emitter-Base Breakdown Voltage (Note 3) V(BR)EBO 6 — — V
IE = 1μA, IC = 0
DC Current Gain (Note 3) hFE 110 — 220 —
VCE = 5.0V, IC = 2.0mA
Collector-Emitter Saturation Voltage (Note 3) VCE(SAT) — 90
200 250
600 mV IC = 10mA, IB = 0.5mA
IC = 100mA, IB = 5.0mA
Base-Emitter Saturation Voltage (Note 3) VBE(SAT) — 700
900 — mV
IC = 10mA, IB = 0.5mA
IC = 100mA, IB = 5.0mA
Base-Emitter Voltage (Note 3) VBE(ON) 580
— 660
— 700
770 mV VCE = 5.0V, IC = 2.0mA
VCE = 5.0V, IC = 10mA
Collector-Cutoff Current (Note 3) ICES
ICBO
ICBO
—
—
—
—
—
—
15
15
5.0
nA
nA
µA
VCE = 80V
VCB = 40V
VCB = 30V, TA = 150°C
Gain Bandwidth Product fT100 — — MHz
VCE = 5.0V, IC = 10mA,
f = 100MHz
Collector-Base Capacitance CCB — 2.0 — pF
VCB = 10V, f = 1.0MHz
Notes: 1. No purposefully added lead.
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.
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
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30833 Rev. 7 - 2
2 of 3
www.diodes.com
BC846AS
© Diodes Incorporated
0
50
100
25 50 75 100 125 150
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N (mW)
D
T , AMBIENT TEMPERA TURE (°C)
A
150
200
250
0
Fig. 1 Power Derating Curve (Note 2)
0
0.04
0.08
0.12
0.16
0246810
V , COLLECTOR EMITTER VOLTAGE (V)
CE
I,
C
O
LLE
C
T
O
R
C
U
R
R
EN
T
(A)
C
NEW PRODUCT
DS30833 Rev. 7 - 2
3 of 3
www.diodes.com
BC846AS
© Diodes Incorporated
0
4
8
12
16
20
024 6 8
V , REVERSE VOLTAGE (V)
R
CAPACITANCE (pF)
Fig . 7 Typical Capacit ance Char acter istics
10
150
160
170
180
190
200
0 102030405060708090100
I , COLLECTOR CURRENT (mA)
C
F , GAIN-BANDWIDTH PRODUCT (MHz)
T
Fig. 8 T ypical Gain-Bandwidth Product
vs. Collector Current
V = 5V
CE
NEW PRODUCT
Ordering Information (Note 6)
Device Packaging Shipping
BC846AS-7 SOT-363 3000/Tape & Reel
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
YM
KNS
YMKNS
KNS = Product Type Marking Code
YM = Date Code Marking
Y = Year ex: U = 2007
M = Month ex: 9 = September
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
IMPORTANT NOTICE
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 an y 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. LIFE SUPPORT
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.
