Overview
The BC817-40W/ZLF is a general-purpose NPN bipolar transistor manufactured by Nexperia USA Inc. This transistor is designed for a wide range of applications, including switching and amplification. It is packaged in a very small SOT323 (SC-70) Surface-Mounted Device (SMD) plastic package, making it ideal for space-constrained designs.
The BC817-40W/ZLF is part of Nexperia’s extensive portfolio of bipolar transistors, known for their high performance, reliability, and compliance with various environmental regulations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (Vce) | 45 | V |
| Continuous Collector Current (Ic) | 500 | mA |
| Power Dissipation (Pd) | 200 | mW |
| Transition Frequency (Ft) | 100 | MHz |
| DC Current Gain (hFE) | 250 | - |
| Vce Saturation (Vce(sat)) | 700 mV @ Ib, Ic = 50 mA, 500 mA | mV |
| Operating Temperature Range | -65°C to 150°C | °C |
| Package Type | SOT323 (SC-70) | - |
| Number of Pins | 3 | - |
| Mounting Type | Surface Mount | - |
| RoHS Compliance | Yes | - |
Key Features
- High Current Capability: The BC817-40W/ZLF can handle a continuous collector current of up to 500 mA.
- High Voltage Rating: It has a collector-emitter voltage rating of 45 V, making it suitable for a variety of applications.
- Low Power Dissipation: With a power dissipation of 200 mW, it is energy-efficient and suitable for designs where power consumption is a concern.
- High Transition Frequency: The transistor has a transition frequency of 100 MHz, which is beneficial for high-frequency applications.
- Compact Package: The SOT323 (SC-70) package is very small, making it ideal for space-constrained designs.
- Environmental Compliance: The transistor is RoHS compliant and lead-free, adhering to environmental regulations.
Applications
The BC817-40W/ZLF is versatile and can be used in a wide range of applications, including:
- General-Purpose Switching and Amplification: Suitable for various switching and amplification circuits due to its high current and voltage ratings.
- Automotive Systems: Used in automotive electronics for its reliability and compliance with automotive standards.
- Industrial Control Systems: Employed in industrial control systems for its robust performance and durability.
- Consumer Electronics: Found in consumer electronics such as audio equipment, power supplies, and other electronic devices.
- Mobile and Wearable Devices: Used in mobile and wearable devices due to its compact size and low power consumption.
Q & A
- What is the collector-emitter voltage rating of the BC817-40W/ZLF transistor?
The collector-emitter voltage rating is 45 V.
- What is the maximum continuous collector current of the BC817-40W/ZLF transistor?
The maximum continuous collector current is 500 mA.
- What is the power dissipation of the BC817-40W/ZLF transistor?
The power dissipation is 200 mW.
- What is the transition frequency of the BC817-40W/ZLF transistor?
The transition frequency is 100 MHz.
- What type of package does the BC817-40W/ZLF transistor use?
The transistor is packaged in a SOT323 (SC-70) Surface-Mounted Device (SMD) plastic package.
- Is the BC817-40W/ZLF transistor RoHS compliant?
Yes, the transistor is RoHS compliant and lead-free.
- What is the operating temperature range of the BC817-40W/ZLF transistor?
The operating temperature range is -65°C to 150°C.
- What are some common applications of the BC817-40W/ZLF transistor?
It is used in general-purpose switching and amplification, automotive systems, industrial control systems, consumer electronics, and mobile and wearable devices.
- How many pins does the BC817-40W/ZLF transistor have?
The transistor has 3 pins.
- What is the DC current gain (hFE) of the BC817-40W/ZLF transistor?
The DC current gain (hFE) is 250.
