BC337 Small Signal Bipolar Transistor, 1-Element, Silicon, TO-92, TO-92, 3 PIN

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BC337

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Small Signal Bipolar Transistor, 1-Element, Silicon, TO-92, TO-92, 3 PIN

Type: NPN Bipolar Junction Transistor (BJT)
Brand: Philips
DateCode: 03+
Package / Case: TO92
Maximum Collector-Emitter Voltage (Vceo): 45V
Maximum Collector-Base Voltage (Vcbo): 50V
Maximum Emitter-Base Voltage (Vebo): 5V
Maximum Collector Current (Ic): 800mA
Maximum Power Dissipation (Ptot): 625mW
DC Current Gain (hFE): 100 to 630
Transition Frequency (fT): 100 MHz
Operating Temperature Range: -65°C to 150°C
Mounting Style: Through Hole

Model comparison: BC337 vs BC337-25 comparison

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Web Site	Package	Brand	Est. Market Price	Description
Texas Instruments (TI)	DIP-18	STMicro electronics	$2.55	单电源双运算放大器，电源范围3V至32V，短路保护输出单电源双运算放大器，电源范围3V至32V，短路保护输出
STMicroelectronics (ST)	DIP-18	STMicro electronics	$2.55	单电源双运算放大器，电源范围3V至32V，短路保护输出单电源双运算放大器，电源范围3V至32V，短路保护输出
DigiKey	DIP-18	STMicro electronics	$2.55	单电源双运算放大器，电源范围3V至32V，短路保护输出单电源双运算放大器，电源范围3V至32V，短路保护输出
Mouser	DIP-18	STMicro electronics	$2.55	单电源双运算放大器，电源范围3V至32V，短路保护输出单电源双运算放大器，电源范围3V至32V，短路保护输出
RS America	DIP-18	STMicro electronics	$2.55	单电源双运算放大器，电源范围3V至32V，短路保护输出单电源双运算放大器，电源范围3V至32V，短路保护输出

The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！

Product Attributes

Description: NPN Bipolar Transistor Features: Low current (max. 500 mA) Low voltage (max. 45 V) High current gain High switching speed Low noise Low power consumption High reliability Low cost Applications: Audio amplifiers Switching circuits Motor control circuits Relay drivers Interface circuits Low-noise amplifiers High-speed switching circuits General purpose switching and amplification (For reference only)

NPN Silicon Expitaxial Planar Transistor

for switching and amplifier applications.Especially suitable for AF-driver stages and low-power output stages.

These types are also available subdivided into three groups -16,-25 and -40,according to their DC current gain. As complementary types, the PNP transistors BC327 and BC328 are recommended.

On special request, these transistors can be manufactured in different pin configurations. Please refer to the "TO-92 TRANSISTOR PACKAGE OUTLINE” on page 80 for the available pin options.

QUANTITY	UNIT PRICE	PLUS UNIT PRICE	TOTAL PRICE
≥1:	US $0.17892	US $0.16818	US $0.16818
≥10:	US $0.10735	US $0.10091	US $1.00910
≥50:	US $0.08946	US $0.08409	US $4.20450
≥100:	US $0.06560	US $0.06167	US $6.16700
≥150:	US $0.05904	US $0.05550	US $8.32500
≥200:	US $0.05740	US $0.05396	US $10.79200
≥500:	US $0.05576	US $0.05242	US $26.21000
≥1000:	US $0.05412	US $0.05088	US $50.88000
≥3000:	US $0.05248	US $0.04933	US $147.99000

Substitute (equivalent) Product

Substitute Product	Description
BC547	NPN general-purpose transistor; suitable for low to medium current and low power applications.
BC548	NPN general-purpose transistor; similar to BC547 but with different hFE ranges.
BC549	NPN low noise transistor; designed for use as an audio frequency amplifier.
2N3904	NPN general-purpose transistor; widely used in switching and low power amplification.
2N2222	NPN general-purpose transistor; suitable for medium current and low to medium power applications.
S8050	NPN general-purpose transistor; commonly used in amplifier configurations and switching applications.
2SC1815	NPN general-purpose transistor; known for its low noise and high gain, suitable for audio applications.
2N5551	NPN transistor rated for higher voltage applications compared to other general-purpose types.
BD135	NPN medium power transistor; used in linear and switching applications.
MPS2222A	NPN general-purpose transistor; used in low power switching and amplifier applications.

Product Usage

The BC337 is a general-purpose NPN bipolar junction transistor (BJT) commonly used in a variety of electronic circuits due to its versatility and favorable characteristics. Here are some types of circuits where a BC337 transistor may be employed:

Switching Circuits: The BC337 can be used as a switch to control larger currents and voltages with a small input signal in digital switching applications.
Amplification Circuits: As a small-signal amplifier, the BC337 can amplify analog signals in audio amplifiers, signal processing, and other applications requiring signal amplification.
Relay Drivers: The BC337 transistor can drive relays in circuits where the controlling signal is insufficient to directly energize the relay coil.
LED Drivers: The BC337 is often used to drive LED arrays or individual LEDs, allowing control of the LEDs using low-current signals from a microcontroller or other digital sources.
Voltage Regulation: In some applications, a BC337 may be used in linear voltage regulator circuits or as a pass transistor in more complex regulator designs.
Oscillators and Timers: The BC337 can be part of oscillator circuits such as those used in signal generators, tone generators, and timers.
General Signal Processing Circuits: The BC337 is used in various signal processing applications, including analog signal processing, where it can serve as a buffer, inverter, or other signal conditioning elements.
Darlington Pair: It can be paired with another transistor to form a Darlington transistor pair, which provides a higher current gain.
Motor Drivers: The transistor can be deployed in simple motor driver circuits to control small DC motors in various hobbyist and robotics projects.

When incorporating the BC337 into a circuit, designers often consider its current handling capabilities (up to 800 mA), voltage ratings (up to 45V Vce), gain (hFE), and frequency characteristics to ensure it meets their specific application requirements.

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BC337 Small Signal Bipolar Transistor, 1-Element, Silicon, TO-92, TO-92, 3 PIN

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BC337

BC337 has several brands around the world that may have alternate names for BC337 due to regional differences or acquisition. BC337 may also be known as the following names:

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