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BC847BLT1G

General purpose NPN bipolar junction transistor in SOT-23-3 package, designed for linear and switching applications.

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BC847BLT1G

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Description

Part Number: BC847BLT1G
Manufacturer: ON Semiconductor
Device Type: NPN General Purpose Small Signal Transistor
Package: SOT-23 Surface Mount

Part Number Decoding
BC847B: NPN general-purpose transistor, gain rank B
LT1G: SOT-23 package, tape and reel packaging, RoHS compliant

Key Electrical Ratings
Polarity: NPN
Collector-Emitter Voltage (VCEO): 45 V
Collector-Base Voltage (VCBO): 50 V
Emitter-Base Voltage (VEBO): 6 V
Continuous Collector Current (IC): 100 mA
Power Dissipation (PD): 350 mW
Gain Grade B: HFE = 200 ~ 450
Operating Temperature: -55 °C ~ +150 °C

Main Features

  • Small SOT-23 compact package
  • High current gain, low noise
  • Low saturation voltage
  • Fast switching speed
  • Suitable for signal amplification and switch drive
  • RoHS lead-free, ideal for SMT mass production

Typical Applications

  • Analog signal amplification
  • Small signal switching circuit
  • MCU peripheral drive and level conversion
  • Audio pre-amplification circuit
  • Consumer electronics, industrial control, IoT modules

The BC847BLT1G is a general purpose NPN bipolar junction transistor from onsemi in SOT-23-3 (TO-236) package, featuring 45V VCEO, 100mA IC, hFE 200-450, 100MHz transition frequency, 300mW power dissipation, and ESD rating >4000V HBM. Pb-free, halogen-free, RoHS compliant with MSL 1.

Working Principle(Within 200 Words)

Pin Number Pin Name Description
1 Base Control terminal; small input current modulates collector-emitter conduction
2 Emitter Current source terminal; electrons are emitted from this region into the base
3 Collector Current sink terminal; collects electrons passing through the base from the emitter
Application Description
General Purpose Switching Low-power load switching and digital logic control in portable devices
Signal Amplification Small-signal audio and sensor amplification using high hFE (200-450)
ESD Protection Circuit protection leveraging >4000V HBM ESD rating
Logic Level Translation Interface between different voltage domains in mixed-signal designs
LED Drivers Low-current LED switching and dimming control up to 100mA
Load Drivers Driving relays, buzzers and small actuators in consumer electronics
Model Manufacturer Package Key Difference
BC847BLT3G onsemi SOT-23-3 Same die, 10,000-piece reel (vs. 3,000 for LT1G)
SBC847BLT1G onsemi SOT-23-3 AEC-Q101 qualified automotive version
BC847B,215 Nexperia SOT-23 (TO-236AB) Pin-compatible equivalent from Nexperia
MMBT3904LT1G onsemi SOT-23-3 Lower hFE (100-300), higher VCEO (40V), higher IC (200mA)
PMBT3904,215 Nexperia SOT-23 Alternative NPN with different gain selection
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Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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