Because the BC547B is an NPN transistor when the base pin is held at the ground, the collector and emitter are left open (reverse biased), and when a signal is applied to the base pin, the collector and emitter are closed (forward-biased).
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Apr 5, 2022
Hilda Malory
BC547B - ON Semiconductor : Amplifier Transistors
Because the BC547B is an NPN transistor when the base pin is held at the ground, the collector and emitter are left open (reverse biased), and when a signal is applied to the base pin, the collector and emitter are closed (forward-biased). This post will unlock BC547B's pinout, datasheet, application, how to use the BC547B transistor as a switch or an amplifier and more details about BC547B.
BC547B
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.43727 | $0.44 |
| 10+ | $0.41252 | $4.13 |
| 100+ | $0.38917 | $38.92 |
| 500+ | $0.36714 | $183.57 |
| 1000+ | $0.34636 | $346.36 |
The BC547B is an NPN general purpose transistor in TO-92 package. It is especially suited for use in driver stages of audio amplifiers, low noise input stages of tape recorders, HI-FI amplifiers, signal processing circuits of television receivers etc.
Symbol
Footprint
3D Model
Type: NPN
Package: TO-92
Max DC collector current: 100 mA
Max collector to emitter voltage: 45 V
Max collector base voltage: 50 V
Max emitter base voltage: 6 V
Max power dissipation: 500 mW
Max operating frequency: 300 MHz
Collector to emitter saturation voltage: 250 mV
DC current gain: 110 @ Ic = 2 mA
Operating junction temperature range: -65°C to 150°C
ON Semiconductor BC547B technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor BC547B.
ON Semiconductor BC547B technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor BC547B.
| Product Attribute | Attribute Value | |
|---|---|---|
| Lifecycle Status | ACTIVE (Last Updated: 6 days ago) | |
| Factory Lead Time | 6 Weeks | |
| Contact Plating | Copper, Silver, Tin | |
| Mount | Through Hole | |
| Mounting Type | Through Hole | |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | |
| Number of Pins | 3Pins | |
| Supplier Device Package | TO-92-3 | |
| Weight | 200.005886mg | |
| Manufacturer Package Identifier | MKT-ZA03DREV3 | |
| Collector-Emitter Breakdown Voltage | 45V | |
| Collector-Emitter Saturation Voltage | 250mV | |
| Current-Collector (Ic) (Max) | 100mA | |
| Number of Elements | 1 Element | |
| hFEMin | 200 | |
| Operating Temperature | 150°C TJ | |
| Packaging | Bulk | |
| Published | 2005 |
| Product Attribute | Attribute Value | |
|---|---|---|
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Max Operating Temperature | 150°C | |
| Min Operating Temperature | -65°C | |
| Voltage - Rated DC | 45V | |
| Max Power Dissipation | 500mW | |
| Current Rating | 100mA | |
| Frequency | 300MHz | |
| Base Part Number | BC547 | |
| Polarity | NPN | |
| Voltage | 40V | |
| Element Configuration | Single | |
| Current | 1A | |
| Power Dissipation | 500mW | |
| Power - Max | 500mW | |
| Gain Bandwidth Product | 100MHz | |
| Transistor Type | NPN | |
| Collector Emitter Voltage (VCEO) | 45V |
| Product Attribute | Attribute Value | |
|---|---|---|
| Max Collector Current | 100mA | |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 200 @ 2mA 5V | |
| Current - Collector Cutoff (Max) | 15nA ICBO | |
| Vce Saturation (Max) @ Ib, Ic | 600mV @ 5mA, 100mA | |
| Voltage - Collector Emitter Breakdown (Max) | 45V | |
| Max Frequency | 300MHz | |
| Max Breakdown Voltage | 45V | |
| Frequency - Transition | 300MHz | |
| Collector Base Voltage (VCBO) | 50V | |
| Emitter Base Voltage (VEBO) | 6V | |
| Height | 4.58mm | |
| Length | 4.58mm | |
| Width | 3.86mm | |
| REACH SVHC | No SVHC | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
As a widely used general purpose transistor, the BC547B can be used as small signal and current amplifiers, for example, LED drive amplifiers, oscillators, audio amplifiers, and relay drive amplifiers.
General purpose switching and amplification
Current amplifier
Quick switching
Pulse-width modulation
Audio, Signal Processing, Power Management
Well suitable for TV and home appliance equipment
Small load switch transistors with high gain and low saturation voltage
Audio-Frequency Amplifier
Radio-Frequency Amplifier
Radio-Frequency Oscillator
ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.
Download datasheets and manufacturer documentation for ON Semiconductor BC547B.
Download datasheets and manufacturer documentation for BC547B
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