Overview
The BC817-25QAZ is a general-purpose NPN transistor produced by Nexperia USA Inc. This transistor is designed for a wide range of applications, including switching and amplification. It is packaged in a small 3-XDFN (DFN1010D-3) Surface-Mounted Device (SMD) plastic package, making it suitable for space-constrained designs.
The BC817-25QAZ is part of the BC817 series, which offers high current capabilities and multiple current gain selections, making it versatile for various electronic circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Type | NPN General-Purpose Transistor |
| Package | 3-XDFN (DFN1010D-3) |
| Voltage - Collector Emitter Breakdown (Max) | 45 V |
| Current - Collector (Ic) (Max) | 500 mA |
| Transition Frequency | 100 MHz |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 160 @ 100 mA, 1 V |
| Vce Saturation (Max) @ Ib, Ic | 700 mV @ 50 mA, 500 mA |
| Operating Temperature (TJ) | 150°C |
| Current - Collector Cutoff (Max) | 100 nA (ICBO) |
Key Features
- High Current Capability: The BC817-25QAZ can handle up to 500 mA of collector current, making it suitable for applications requiring moderate to high current levels.
- Multiple Current Gain Selections: This transistor is available with different current gain (hFE) values, allowing designers to choose the best fit for their specific application.
- Compact Package: The 3-XDFN package is small and surface-mountable, ideal for designs where space is limited.
- General-Purpose Switching and Amplification: The BC817-25QAZ is versatile and can be used in both switching and amplification circuits.
- High Transition Frequency: With a transition frequency of 100 MHz, this transistor is suitable for high-frequency applications.
Applications
The BC817-25QAZ is widely used across various industries and applications, including:
- Automotive Systems: For general-purpose switching and amplification in automotive electronics.
- Industrial Control Systems: In control circuits, power supplies, and other industrial applications.
- Consumer Electronics: In audio amplifiers, power supplies, and other consumer electronic devices.
- Mobile and Wearable Devices: Due to its compact size and high performance, it is suitable for mobile and wearable electronics.
- Power and Computing Systems: For general-purpose switching and amplification in power supplies and computing hardware.
Q & A
- What is the maximum collector current of the BC817-25QAZ?
The maximum collector current is 500 mA.
- What is the maximum voltage rating for the collector-emitter breakdown?
The maximum voltage rating for the collector-emitter breakdown is 45 V.
- What is the transition frequency of the BC817-25QAZ?
The transition frequency is 100 MHz.
- What is the minimum DC current gain (hFE) of the BC817-25QAZ?
The minimum DC current gain (hFE) is 160 at 100 mA and 1 V.
- What is the operating temperature range of the BC817-25QAZ?
The operating temperature range is up to 150°C (TJ).
- What type of package does the BC817-25QAZ come in?
The BC817-25QAZ comes in a 3-XDFN (DFN1010D-3) package.
- What are some common applications for the BC817-25QAZ?
Common applications include automotive systems, industrial control systems, consumer electronics, mobile and wearable devices, and power and computing systems.
- Is the BC817-25QAZ RoHS compliant?
- What is the maximum collector cutoff current (ICBO) of the BC817-25QAZ?
The maximum collector cutoff current (ICBO) is 100 nA.
- Where can I find the datasheet and other technical documents for the BC817-25QAZ?
You can find the datasheet and other technical documents on the Nexperia website or through authorized distributors like Digi-Key, Mouser, and Avnet.
