The BC849W and BC850W are NPN general purpose transistors designed for low current (max. 100 mA) and low voltage (max. 45 V) applications. They are particularly suitable for low noise stages in tape recorders, hi-fi amplifiers, and other audio-frequency equipment. These transistors are housed in a SOT323 plastic package. PNP complements include the BC859W and BC860W.
| Model | Marking Code | Collector-Base Voltage (VCBO) (V) | Collector-Emitter Voltage (VCEO) (V) | Emitter-Base Voltage (VEBO) (V) | Collector Current (IC) (mA) | Peak Collector Current (ICM) (mA) | Peak Base Current (IBM) (mA) | Total Power Dissipation (Ptot) (mW) | Storage Temperature (Tstg) (C) | Junction Temperature (Tj) (C) | Operating Ambient Temperature (Tamb) (C) | Thermal Resistance (Rth j-a) (K/W) | Collector Cut-off Current (ICBO) (nA) | Emitter Cut-off Current (IEBO) (nA) | DC Current Gain (hFE) | Collector-Emitter Saturation Voltage (VCEsat) (mV) | Base-Emitter Voltage (VBE) (mV) | Collector Capacitance (Cc) (pF) | Emitter Capacitance (Ce) (pF) | Transition Frequency (fT) (MHz) | Noise Figure (F) (dB) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BC849W | - | -30 | -30 | -5 | -100 | -200 | -200 | -200 (Tamb 25 C, note 1) | -65 to +150 | -150 | -65 to +150 | 625 (note 1) | -15 (IE=0; VCB=30V) -5 (IE=0; VCB=30V; Tj=150C) | -100 (IC=0; VEB=5V) | - | - | - | - | - | - | - |
| BC850W | - | -50 | -45 | -5 | -100 | -200 | -200 | -200 (Tamb 25 C, note 1) | -65 to +150 | -150 | -65 to +150 | 625 (note 1) | -15 (IE=0; VCB=30V) -5 (IE=0; VCB=30V; Tj=150C) | -100 (IC=0; VEB=5V) | - | - | - | - | - | - | - |
| BC849BW | 2B* | -30 | -30 | -5 | -100 | -200 | -200 | -200 (Tamb 25 C, note 1) | -65 to +150 | -150 | -65 to +150 | 625 (note 1) | -15 (IE=0; VCB=30V) -5 (IE=0; VCB=30V; Tj=150C) | -100 (IC=0; VEB=5V) | 200 - 450 (IC=2mA; VCE=5V) | -250 (IC=10mA; IB=0.5mA) -600 (IC=100mA; IB=5mA; note 1) | 580 - 700 (IC=2mA; VCE=5V) -770 (IC=10mA; VCE=5V) | -3 (VCB=10V; f=1MHz) | -11 (VEB=500mV; f=1MHz) | 100 (IC=10mA; VCE=5V; f=100MHz) | -4 (IC=200A; VCE=5V; RS=2k; f=10Hz to 15.7kHz) -4 (IC=200A; VCE=5V; RS=2k; f=1kHz; B=200Hz) |
| BC849CW | 2C* | -30 | -30 | -5 | -100 | -200 | -200 | -200 (Tamb 25 C, note 1) | -65 to +150 | -150 | -65 to +150 | 625 (note 1) | -15 (IE=0; VCB=30V) -5 (IE=0; VCB=30V; Tj=150C) | -100 (IC=0; VEB=5V) | 420 - 800 (IC=2mA; VCE=5V) | -250 (IC=10mA; IB=0.5mA) -600 (IC=100mA; IB=5mA; note 1) | 580 - 700 (IC=2mA; VCE=5V) -770 (IC=10mA; VCE=5V) | -3 (VCB=10V; f=1MHz) | -11 (VEB=500mV; f=1MHz) | 100 (IC=10mA; VCE=5V; f=100MHz) | -4 (IC=200A; VCE=5V; RS=2k; f=10Hz to 15.7kHz) -4 (IC=200A; VCE=5V; RS=2k; f=1kHz; B=200Hz) |
| BC850BW | 2F* | -50 | -45 | -5 | -100 | -200 | -200 | -200 (Tamb 25 C, note 1) | -65 to +150 | -150 | -65 to +150 | 625 (note 1) | -15 (IE=0; VCB=30V) -5 (IE=0; VCB=30V; Tj=150C) | -100 (IC=0; VEB=5V) | 200 - 450 (IC=2mA; VCE=5V) | -250 (IC=10mA; IB=0.5mA) -600 (IC=100mA; IB=5mA; note 1) | 580 - 700 (IC=2mA; VCE=5V) -770 (IC=10mA; VCE=5V) | -3 (VCB=10V; f=1MHz) | -11 (VEB=500mV; f=1MHz) | 100 (IC=10mA; VCE=5V; f=100MHz) | -4 (IC=200A; VCE=5V; RS=2k; f=10Hz to 15.7kHz) -4 (IC=200A; VCE=5V; RS=2k; f=1kHz; B=200Hz) |
| BC850CW | 2G* | -50 | -45 | -5 | -100 | -200 | -200 | -200 (Tamb 25 C, note 1) | -65 to +150 | -150 | -65 to +150 | 625 (note 1) | -15 (IE=0; VCB=30V) -5 (IE=0; VCB=30V; Tj=150C) | -100 (IC=0; VEB=5V) | 420 - 800 (IC=2mA; VCE=5V) | -250 (IC=10mA; IB=0.5mA) -600 (IC=100mA; IB=5mA; note 1) | 580 - 700 (IC=2mA; VCE=5V) -770 (IC=10mA; VCE=5V) | -3 (VCB=10V; f=1MHz) | -11 (VEB=500mV; f=1MHz) | 100 (IC=10mA; VCE=5V; f=100MHz) | -4 (IC=200A; VCE=5V; RS=2k; f=10Hz to 15.7kHz) -4 (IC=200A; VCE=5V; RS=2k; f=1kHz; B=200Hz) |
Note 1: Transistor mounted on an FR4 printed-circuit board.
Note: * = - : Made in Hong Kong. * = t : Made in Malaysia.
Dimensions (mm):
| A1 | bp | c | D | E | e1 | HE | Lp | Q | w | v |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.1 | 1.1 | 0.8 | 0.4 | 0.3 | 0.25 | 0.10 | 2.2 | 1.8 | 1.35 | 1.15 |
| 0.65 | 1.3 | 2.2 | 2.0 | 0.23 | 0.13 | 0.2 | 0.2 | 0.45 | 0.15 | - |
Pin Description: