BC846A

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BC846A

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TRANS NPN 65V 0.1A SOT23-3

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Especificações

Atributo Valor
Package Strip
ProductStatus Active
TransistorType NPN
Current-Collector(Ic)(Max) 100 mA
Voltage-CollectorEmitterBreakdown(Max) 65 V
VceSaturation(Max)@IbIc 600mV @ 5mA, 100mA
Current-CollectorCutoff(Max) 15nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce 110 @ 2mA, 5V
Power-Max 250 mW
Frequency-Transition 300MHz
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Visão Geral

Description

The BC846A is a general-purpose NPN bipolar junction transistor (BJT) in a small SOT-23 package, commonly used for amplification and switching in low-power applications. Key features include:
- Current/Voltage Ratings: Max collector current (Ic) of 100mA, collector-emitter voltage (Vce) of 65V.
- Gain (hFE): 110–450 (at 2mA Ic), ensuring good signal amplification.
- Low Noise: Suitable for analog signal processing.
- High Speed: Transition frequency (fT) of 100MHz, useful for RF and fast switching.
It’s often paired with its PNP counterpart (BC856A) in complementary circuits. Typical applications include audio preamps, signal amplification, and digital logic switching.
Advantages: Compact size, cost-effective, and widely available.
Limitations: Not suited for high-power or high-voltage scenarios.
For detailed specs, refer to the datasheet.

Equivalent

The BC846A is a general-purpose NPN transistor. Equivalent alternatives include:
- BC847A (similar specs, slightly higher current)
- 2N3904 (common NPN, widely available)
- MMBT3904 (SMD version of 2N3904)
- BC546A (higher voltage rating)
- KSC1845 (low noise, high gain)
Check datasheets for exact parameter matching in your circuit.

Features

The BC846A is a general-purpose NPN bipolar junction transistor (BJT) with the following key features:
- Package: SOT-23 (small surface-mount)
- Voltage Ratings:
- Collector-Emitter Voltage (VCEO): 65V
- Collector-Base Voltage (VCBO): 80V
- Emitter-Base Voltage (VEBO): 6V
- Current Ratings:
- Continuous Collector Current (IC): 100mA
- Peak Collector Current (ICM): 200mA
- Power Dissipation (Ptot): 250mW
- Gain (hFE): 110–450 (at IC = 2mA, VCE = 5V)
- Transition Frequency (fT): 100MHz (typical)
- Low Noise: Suitable for small-signal amplification
- Applications: Switching, amplification, and driver circuits in consumer electronics.
Compact, cost-effective, and widely used in low-power designs.

Application

The BC846A is a general-purpose NPN bipolar junction transistor (BJT) commonly used in:
1. Amplification – Small-signal amplification in audio and RF circuits.
2. Switching – Low-power switching in digital and control circuits.
3. Signal Processing – Used in oscillators, modulators, and detectors.
4. Consumer Electronics – Found in TVs, radios, and mobile devices.
5. Embedded Systems – Interface and driver circuits in microcontrollers.
Its low noise, high gain, and compact SOT-23 package make it suitable for space-constrained applications.

Package

The BC846A is a general-purpose NPN transistor available in a SOT-23 surface-mount package. This compact 3-pin package is widely used for small-signal amplification and switching applications. The SOT-23 is suitable for high-density PCB designs due to its small footprint (approx. 2.9mm x 1.3mm x 0.95mm).

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