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CZT5551
CZT5551 Bipolar BJT Transistors
CZT5551
CZT5551 Bipolar BJT Transistors
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Manufacturer Part # : CZT5551
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Package/Case: SOT223
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Brand: Onsemi
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Product Categories : Single Bipolar Transistors
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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Maintain the goods in their original condition as received.
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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CZT5551 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The CZT5551 is a high-performance NPN bipolar junction transistor that is commonly used in a variety of low-power amplification and switching applications. It has a maximum collector current of 100mA and a maximum collector power dissipation of 200mW. The transistor has a high current gain (hfe) of 250 to 600, making it suitable for low-power amplification circuits.The CZT5551 has a low base-emitter saturation voltage of 0.7V at a collector current of 10mA, which allows for efficient operation in switching applications. It also has a low noise figure of 5dB at 1kHz, making it suitable for signal amplification in low-noise applications.The transistor is housed in a small SOT-23 package, making it ideal for use in compact electronic devices where space is limited. It has a maximum operating temperature range of -55°C to 150°C, allowing for operation in a wide range of environmental conditions.
Key Features
- Low voltage, high speed switching
- Low collector saturation voltage
- High collector current capability
- Complementary NPN type is CZT5553
- Pb-free packaging
Application
- General purpose switching applications
- Signal amplification
- High-speed switching
- Power amplification
- Motor control systems
- Rectification
- Amplification of weak signals
- Voltage regulation circuits
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | Bipolar Transistors - BJT | Transistor Polarity | NPN |
| Configuration | Single | Collector- Emitter Voltage VCEO Max | 160 V |
| Collector- Base Voltage VCBO | 180 V | Emitter- Base Voltage VEBO | 6 V |
| Maximum DC Collector Current | 600 mA | Pd - Power Dissipation | 2 W |
| Gain Bandwidth Product fT | 300 MHz | Minimum Operating Temperature | - 65 C |
| Maximum Operating Temperature ! | + 150 C | Brand | onsemi / Fairchild |
| DC Collector/Base Gain hfe Min | 80 at 1 mA, 5 V | Product Type ! | BJTs - Bipolar Transistors |
| Subcategory | Transistors | Technology | Si |
FAQs
What is CZT5551?
The CZT5551 is a general-purpose NPN transistor designed for amplification and switching applications. It is commonly used in electronic circuits for amplifying small signals, driving loads, and controlling other semiconductor devices.
How Does CZT5551 Work?
The CZT5551 works as a bipolar junction transistor (BJT) that amplifies current or switches signals. In amplification applications, it provides current gain by controlling the flow of current from the collector to the emitter in response to a small change in the base current. In switching applications, it can control larger currents and voltages based on the input at the base terminal.
How Many Pins does CZT5551 have and What are the Functions of the Pinout Configuration?
The CZT5551 is housed in a TO-92 package, which contains three pins:
- Collector (C): The terminal through which the output current flows out of the transistor.
- Base (B): The control terminal that regulates the transistor's conductivity.
- Emitter (E): The terminal through which the output current enters the transistor.
What are the Pros and Cons of CZT5551?
Pros:
- General-Purpose: Suitable for a wide range of amplification and switching applications.
- Cost-Effective: Provides basic functionality at a low cost, making it widely accessible.
- Compact Package: The TO-92 package is compact and easy to handle for various circuit designs.
Cons:
- Limited Power: May not handle high-power applications due to its small size and current limitations.
- Temperature Sensitivity: Transistor characteristics can be sensitive to temperature variations.
- Performance Variability: Lower consistency and precision compared to specialized transistors for specific applications.
Are There Any Equivalents/Alternatives to CZT5551 for Recommendation?
- The 2N3904 and BC547 are popular alternatives to the CZT5551 with similar characteristics and pin configurations.
- Equivalents to the CZT5551 include the C1815 and the S8050 transistors.
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