Overview
The BC817K-40VL is an NPN general-purpose bipolar junction transistor (BJT) manufactured by Nexperia USA Inc. This transistor is part of the BC817K series and is designed for medium-power amplification and switching applications. It is packaged in a small SOT23 (TO-236AB) surface-mounted device (SMD) plastic package, making it suitable for a wide range of electronic designs. The BC817K-40VL is AEC-Q101 qualified, ensuring its reliability and performance in automotive and other demanding environments.
Key Specifications
| Type number | Package version | Package name | Size (mm) | Channel type | P tot (mW) | V CEO [max] (V) | I C [max] (mA) | h FE [min] | h FE [max] | T J [max] (°C) |
|---|---|---|---|---|---|---|---|---|---|---|
| BC817K-40 | SOT23 | SOT23 | 2.9 x 1.3 x 1 | NPN | 775.0 | 45.0 | 500.0 | 250.0 | 600.0 | 150 |
Additional key specifications include:
- Collector-Emitter Breakdown Voltage (V CEO): 45 V
- Collector Current (I C): Up to 500 mA
- Power Dissipation (P tot): 775 mW
- Transition Frequency: 100 MHz
- Saturation Voltage (V CE(sat)): 700 mV @ 50 mA, 500 mA
- DC Current Gain (h FE): 250 to 600 @ 100 mA, 1 V
Key Features
- High Power Dissipation Capability: The transistor can dissipate up to 775 mW, making it suitable for medium-power applications.
- AEC-Q101 Qualified: Ensures the transistor's reliability and performance in automotive and other demanding environments.
- High Transition Frequency: Operates at a frequency of 100 MHz, suitable for high-speed switching and amplification.
- Low Saturation Voltage: Typical saturation voltage of 700 mV at 50 mA and 500 mA, reducing power losses in switching applications.
- Compact Package: SOT23 (TO-236AB) surface-mounted package, ideal for space-constrained designs.
Applications
The BC817K-40VL transistor is versatile and can be used in a variety of applications across different industries, including:
- Automotive Electronics: Suitable for use in automotive systems due to its AEC-Q101 qualification.
- Industrial Electronics: Used in industrial control systems, motor drives, and other high-reliability applications.
- Consumer Electronics: Found in consumer devices requiring medium-power amplification and switching.
- Power Electronics: Used in power supplies, UPS systems, and other power management circuits.
Q & A
- What is the maximum collector-emitter voltage of the BC817K-40VL transistor?
The maximum collector-emitter voltage (V CEO) is 45 V.
- What is the maximum collector current of the BC817K-40VL transistor?
The maximum collector current (I C) is up to 500 mA.
- What is the transition frequency of the BC817K-40VL transistor?
The transition frequency is 100 MHz.
- What is the typical saturation voltage of the BC817K-40VL transistor?
The typical saturation voltage (V CE(sat)) is 700 mV at 50 mA and 500 mA.
- Is the BC817K-40VL transistor AEC-Q101 qualified?
Yes, the BC817K-40VL transistor is AEC-Q101 qualified.
- What is the package type of the BC817K-40VL transistor?
The package type is SOT23 (TO-236AB).
- What is the maximum junction temperature of the BC817K-40VL transistor?
The maximum junction temperature (T J) is 150°C.
- What are the typical applications of the BC817K-40VL transistor?
The transistor is used in automotive, industrial, consumer electronics, and power electronics applications.
- How much power can the BC817K-40VL transistor dissipate?
The transistor can dissipate up to 775 mW.
- What is the DC current gain range of the BC817K-40VL transistor?
The DC current gain (h FE) ranges from 250 to 600 at 100 mA and 1 V.
