Mini Powerful Audio Amplifier using BC337 and BC327
TRANS PNP 45V 0.8A TO-92
The BC327 is a general-purpose PNP BJP transistor that is commonly used for switching and amplification purposes.
TRANS PNP 45V 0.8A TO-92 The BC327 is a general-purpose PNP BJP transistor that is commonly used for switching and amplification purposes.
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Aug 10, 2021
Lennon Dan
Mini Powerful Audio Amplifier using BC337 and BC327
TRANS PNP 45V 0.8A TO-92
The BC327 is a general-purpose PNP BJP transistor that is commonly used for switching and amplification purposes.
The BC327 is a general-purpose PNP BJP transistor that is commonly used for switching and amplification purposes. The BC327 can drive load under 800mA and is capable of handling load voltage under 45V. The BC327 also features 625mW collector dissipation and DC current gain of a maximum of 630, therefore it can be used as an audio amplifier or in any signal amplification application.
The BC327 is manufactured in different hFE classifications and can be differentiated with the code number written after the transistor number. If you find code -16 after the transistor number, the hFE will be 100~250, if the code is -25 then the hFE will be 160~400 and if the code is -40 then the hFE will be 250~630.

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Package Type: TO-92
Transistor Type: PNP
Max Collector Current(IC): 800 mA
Collector-Emitter Voltage (VCE): 45 V
Collector-Base Voltage (VCB): -50 V
Emitter-Base Voltage (VBE): -5 V
Max Collector Dissipation (Pc): 625 mW
DC Current Gain (hFE): 100 - 630
Storage & Operating temperature: -55 to +150 Centigrade
Advanced process technology
Low error voltage
Fast switching speed
Full-voltage operation
High power and current handling capability
ON Semiconductor BC327 technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor BC327.
ON Semiconductor BC327 technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor BC327.
| Product Attribute | Attribute Value | |
|---|---|---|
| Lifecycle Status | OBSOLETE (Last Updated: 3 days ago) | |
| 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 | 200mg | |
| Collector-Emitter Breakdown Voltage | 45V | |
| Collector-Emitter Saturation Voltage | -700mV | |
| Current-Collector (Ic) (Max) | 800mA | |
| Number of Elements | 1 Element | |
| hFEMin | 100 | |
| Operating Temperature | -55°C~150°C TJ | |
| Packaging | Bulk | |
| Published | 2002 |
| Product Attribute | Attribute Value | |
|---|---|---|
| Part Status | Obsolete | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Max Operating Temperature | 150°C | |
| Min Operating Temperature | -55°C | |
| Voltage - Rated DC | -45V | |
| Max Power Dissipation | 625mW | |
| Current Rating | -800mA | |
| Frequency | 100MHz | |
| Base Part Number | BC327 | |
| Polarity | PNP | |
| Element Configuration | Single | |
| Power Dissipation | 625mW | |
| Power - Max | 625mW | |
| Gain Bandwidth Product | 260MHz | |
| Transistor Type | PNP | |
| Collector Emitter Voltage (VCEO) | 45V |
| Product Attribute | Attribute Value | |
|---|---|---|
| Max Collector Current | 800mA | |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 100mA 1V | |
| Current - Collector Cutoff (Max) | 100nA | |
| Vce Saturation (Max) @ Ib, Ic | 700mV @ 50mA, 500mA | |
| Voltage - Collector Emitter Breakdown (Max) | 45V | |
| Max Frequency | 100MHz | |
| Max Breakdown Voltage | 45V | |
| Frequency - Transition | 260MHz | |
| Collector Base Voltage (VCBO) | -50V | |
| Emitter Base Voltage (VEBO) | -5V | |
| Height | 4.58mm | |
| Length | 4.58mm | |
| Width | 3.86mm | |
| REACH SVHC | No SVHC | |
| RoHS Status | Non-RoHS Compliant | |
| Lead Free | Lead Free |

The BC327 is a general-purpose PNP transistor that can be used for switching and amplification purposes in electronic circuits. It can be used as a switch to drive loads up to 800mA, including high power relays, high power transistors, high power LEDs, ICs, etc. With -5V emitter-base voltage, the BC327 can also be used as the output of microcontrollers to drive load of up to 800mA which can easily drive motors, modules, sensors, etc.
Output of Microcontrollers to drive loads
Signal amplification and switching
Audio amplifier
Preamplification stages
Drive loads under 800mA
Push-pull configuration circuits


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Download datasheets and manufacturer documentation for ON Semiconductor BC327.
Download datasheets and manufacturer documentation for BC327
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