Overview
The BC817-25LT3G is an NPN Bipolar Transistor produced by onsemi, designed for use in both linear and switching applications. This transistor is housed in the SOT-23 package, which is ideal for lower power surface mount applications. It is part of the BC817 series, known for its general-purpose and low VCE(sat) characteristics.
The device is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements. It is also available in Pb-free packages, aligning with environmental regulations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Collector-Emitter Breakdown Voltage | V(BR)CEO | - | - | 45 | V |
| Collector-Emitter Breakdown Voltage (VEB = 0, IC = 10 μA) | V(BR)CES | - | - | 50 | V |
| Emitter-Base Breakdown Voltage (IE = 1.0 μA) | V(BR)EBO | - | - | 5.0 | V |
| Collector Cutoff Current (VCB = 20 V, TA = 150°C) | ICBO | - | - | 100 nA | A |
| DC Current Gain (IC = 100 mA, VCE = 1.0 V) | hFE | 100 | 160 | 250 | - |
| Collector-Emitter Saturation Voltage (IC = 500 mA, IB = 50 mA) | VCE(sat) | - | - | 0.7 | V |
| Base-Emitter On Voltage (IC = 500 mA, VCE = 1.0 V) | VBE(on) | - | - | 1.2 | V |
| Current-Gain Bandwidth Product (IC = 10 mA, VCE = 5.0 Vdc, f = 100 MHz) | fT | - | - | 100 MHz | - |
| Output Capacitance (VCB = 10 V, f = 1.0 MHz) | Cobo | - | - | 10 pF | - |
| Delay Time (VCC = 3.0 Vdc, VBE = 0.5 V, IC = 10 mA) | td | - | - | 85 ns | - |
Key Features
- Pb-Free Packages: Available in lead-free packages, making it compliant with environmental regulations.
- AEC-Q101 Qualified: Suitable for automotive and other applications requiring high reliability and specific quality standards.
- Low VCE(sat): Offers a low collector-emitter saturation voltage of 0.7 V, which is beneficial for reducing power losses in switching applications.
- High DC Current Gain: Provides a DC current gain (hFE) of up to 250, ensuring reliable amplification and switching performance.
- Compact SOT-23 Package: Designed for surface mount applications, offering a compact footprint suitable for space-constrained designs.
- Wide Operating Temperature Range: Can operate over a junction temperature range of -65°C to +150°C, making it versatile for various environmental conditions.
Applications
- Switching Applications: Ideal for use in switching circuits due to its low VCE(sat) and high current gain.
- Steering Logic: Suitable for logic steering and signal amplification in digital circuits.
- Automotive Control Units: AEC-Q101 qualified, making it suitable for use in automotive control systems and other high-reliability applications.
- Consumer Electronics: Used in various consumer electronic devices requiring reliable and efficient transistor performance.
Q & A
- What is the package type of the BC817-25LT3G transistor?
The BC817-25LT3G transistor is housed in the SOT-23 (TO-236) package.
- What is the maximum collector-emitter breakdown voltage of the BC817-25LT3G?
The maximum collector-emitter breakdown voltage (V(BR)CEO) is 45 V.
- What is the typical DC current gain (hFE) of the BC817-25LT3G?
The typical DC current gain (hFE) is 160.
- What is the collector-emitter saturation voltage (VCE(sat)) of the BC817-25LT3G?
The collector-emitter saturation voltage (VCE(sat)) is 0.7 V.
- Is the BC817-25LT3G AEC-Q101 qualified?
Yes, the BC817-25LT3G is AEC-Q101 qualified, making it suitable for automotive and other high-reliability applications.
- What is the operating temperature range of the BC817-25LT3G?
The junction temperature range is -65°C to +150°C.
- What are some common applications of the BC817-25LT3G transistor?
Common applications include switching circuits, steering logic, automotive control units, and consumer electronics.
- Is the BC817-25LT3G available in Pb-free packages?
Yes, the BC817-25LT3G is available in Pb-free packages.
- What is the current-gain bandwidth product (fT) of the BC817-25LT3G?
The current-gain bandwidth product (fT) is 100 MHz.
- What is the delay time of the BC817-25LT3G transistor?
The delay time (td) is 85 ns.
