Overview
The BC817-40,235 is an NPN general-purpose transistor manufactured by Nexperia USA Inc. This transistor is part of the BC817 series and is designed for a wide range of applications, including general-purpose switching and amplification. It is packaged in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for compact and efficient electronic designs.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | BC817-40 |
| Package | SOT23 (TO-236AB) |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 500 mA |
| Voltage - Collector Emitter Breakdown (Max) | 45 V |
| Vce Saturation (Max) @ Ib, Ic | 700 mV @ 50 mA, 500 mA |
| Current - Collector Cutoff (Max) | 100 nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 250 @ 100 mA, 1 V |
| DC Current Gain (hFE) (Max) @ Ic, Vce | 600 @ 100 mA, 1 V |
| Power - Max | 200 mW |
| Frequency - Transition | 100 MHz |
| Operating Temperature | 150°C (TJ) |
| Mounting Type | Surface Mount |
Key Features
- High Current Capability: The BC817-40 can handle up to 500 mA of collector current, making it suitable for a variety of power and signal applications.
- Low Vce Saturation: With a maximum Vce saturation of 700 mV at 50 mA and 500 mA, this transistor offers efficient switching and amplification.
- High DC Current Gain: The transistor has a minimum DC current gain (hFE) of 250 and a maximum of 600 at 100 mA and 1 V, ensuring reliable performance in amplification circuits.
- Compact Package: The SOT23 package is small and surface-mountable, ideal for space-constrained designs.
- AEC-Q101 Qualified: This transistor meets the AEC-Q101 standard, making it suitable for automotive and other demanding applications.
Applications
- General-Purpose Switching and Amplification: The BC817-40 is versatile and can be used in various switching and amplification circuits.
- Automotive Systems: Qualified to AEC-Q101, this transistor is suitable for use in automotive electronics, such as in-car entertainment systems, sensors, and control units.
- Industrial Control Systems: It can be used in industrial automation, motor control, and other high-reliability applications.
- Consumer Electronics: The transistor is also used in consumer electronics such as audio equipment, power supplies, and other general-purpose electronic devices.
Q & A
- What is the maximum collector current of the BC817-40 transistor?
The maximum collector current is 500 mA.
- What is the maximum collector-emitter breakdown voltage of the BC817-40?
The maximum collector-emitter breakdown voltage is 45 V.
- What is the typical DC current gain (hFE) of the BC817-40 transistor?
The DC current gain (hFE) ranges from 250 to 600 at 100 mA and 1 V.
- What is the operating temperature range of the BC817-40 transistor?
The operating temperature range is up to 150°C (TJ).
- Is the BC817-40 transistor AEC-Q101 qualified?
- What is the package type of the BC817-40 transistor?
The package type is SOT23 (TO-236AB).
- What is the maximum power dissipation of the BC817-40 transistor?
The maximum power dissipation is 200 mW.
- What is the transition frequency of the BC817-40 transistor?
The transition frequency is 100 MHz.
- Can the BC817-40 transistor be used in automotive applications?
- What is the Vce saturation voltage of the BC817-40 transistor?
The Vce saturation voltage is 700 mV at 50 mA and 500 mA.
