BC846A - BC848C

NPN SURFACE MOUNT SMALL SIGNAL TRANSISTOR

Features
· Ideally Suited for Automatic Insertion
SOT-23
· Complementary PNP Types Available
(BC856-BC858) A
Dim Min Max
· For Switching and AF Amplifier Applications C
A 0.37 0.51
B 1.20 1.40
B C
Mechanical Data C 2.30 2.50
B TOP VIEW E
· Case: SOT-23, Molded Plastic D
D 0.89 1.03
E
· Case material - UL Flammability Rating G E 0.45 0.60
Classification 94V-0 H G 1.78 2.05
· Moisture sensitivity: Level 1 per J-STD-020A K H 2.80 3.00
M
· Terminals: Solderable per MIL-STD-202, J J 0.013 0.10
Method 208 L
K 0.903 1.10
· Pin Connections: See Diagram
· Marking Codes (See Table Below & Diagram L 0.45 0.61
on Page 3) M 0.85 0.80
· Ordering & Date Code Information: See Page 3 a 0° 8°
· Approx. Weight: 0.008 grams All Dimensions in mm

Marking Code (Note 2)

Type Marking Type Marking
BC846A 1A, K1Q BC847C 1G, K1M
BC846B 1B, K1R BC848A 1J, K1J, K1E, K1Q
BC847A 1E, K1E, K1Q BC848B 1K, K1K, K1F, K1R
BC847B 1F, K1F, K1R BC848C 1L, K1L, K1M

Maximum Ratings @ TA = 25°C unless otherwise specified

Characteristic Symbol Value Unit

Collector-Base Voltage BC846 80
BC847 VCBO 50 V
BC848 30
Collector-Emitter Voltage BC846 65
BC847 VCEO 45 V
BC848 30
Emitter-Base Voltage BC846, BC847 VEBO 6.0 V
BC848 5.0
Collector Current IC 100 mA
Peak Collector Current ICM 200 mA
Peak Emitter Current IEM 200 mA
Power Dissipation (Note 1) Pd 300 mW
Thermal Resistance, Junction to Ambient Air (Note 1) RqJA 417 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C

Notes: 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout
document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf
2. Current gain subgroup “C” is not available for BC846.

DS11108 Rev. 14 - 2 1 of 3 BC846A-BC848C

Electrical Characteristics @ TA = 25°C unless otherwise specified

Characteristic Symbol Min Typ Max Unit Test Condition

Collector-Base Breakdown Voltage (Note 3) BC846 80 — —
BC847 V(BR)CBO 50 — — V IC = 10mA, IB = 0
BC848 30 — —
Collector-Emitter Breakdown Voltage (Note 3) BC846 65 — —
BC847 V(BR)CEO 45 — — V IC = 10mA, IB = 0
BC848 30 — —
Emitter-Base Breakdown Voltage BC846, BC847 V 6 IE = 1mA, IC = 0
(Note 3) BC848 (BR)EBO 5 — — V

H-Parameters
Small Signal Current Gain Current Gain Group A hfe — 220 — —
B hfe — 330 — —
C hfe — 600 — —
Input Impedance Current Gain Group A hie — 2.7 — kW
B hie — 4.5 — kW VCE = 5.0V, IC = 2.0mA,
C hie — 8.7 — kW f = 1.0kHz
Output Admittance Current Gain Group A hoe — 18 — µS
B hoe — 30 — µS
C hoe — 60 — µS
Reverse Voltage Transfer Ratio A hre — 1.5x10-4 — —
Current Gain Group B hre — 2x10-4 — —
C hre — 3x10-4 — —
DC Current Gain Current Gain Group A 110 180 220
B hFE 200 290 450 — VCE = 5.0V, IC = 2.0mA
(Note 3) C 420 520 800
Collector-Emitter Saturation Voltage (Note 3) 90 250 IC = 10mA, IB = 0.5mA
VCE(SAT) — 200 600 mV IC = 100mA, IB = 5.0mA
700 IC = 10mA, IB = 0.5mA
Base-Emitter Saturation Voltage (Note 3) VBE(SAT) — — mV IC = 100mA, IB = 5.0mA
900
580 660 700 VCE = 5.0V, IC = 2.0mA
Base-Emitter Voltage (Note 3) VBE(ON) mV VCE = 5.0V, IC = 10mA
— — 770
Collector-Cutoff Current (Note 3) BC846 ICES — — 15 nA VCE = 80V
BC847 ICES — — 15 nA VCE = 50V
BC848 ICES — — 15 nA VCE = 30V
ICBO — — 15 nA VCB = 40V
ICBO — — 5.0 µA VCB = 30V, TA = 150°C

Gain Bandwidth Product fT VCE = 5.0V, IC = 10mA,

100 300 — MHz f = 100MHz
Collector-Base Capacitance CCBO — 3.0 — pF VCB = 10V, f = 1.0MHz
VCE = 5V, IC = 200µA,
Noise Figure NF — 2 10 dB RS = 2.0kW,
f = 1.0kHz, Df = 200Hz

Notes: 3. Short duration pulse test used to minimize self-heating effect.

DS11108 Rev. 14 - 2 2 of 3 BC846A-BC848C

Ordering Information (Note 4)

Device Packaging Shipping

BC84xx-7* SOT-23 3000/Tape & Reel

Notes: 4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

* xx = device type, e.g. BC846A-7.

Marking Information

XXX = Product Type Marking Code (See Page 1), e.g. K1Q or 1A = BC846A

YM
YM = Date Code Marking
XXX Y = Year ex: N = 2002
M = Month ex: 9 = September

Date Code Key

Year 1998 1999 2000 2001 2002 2003 2004
Code J K L M N P R

Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D

DS11108 Rev. 14 - 2 3 of 3 BC846A-BC848C