Overview
The BC817-25-7 is a 45V NPN small signal transistor manufactured by Diodes Incorporated. It is designed in the SOT23 package, making it suitable for surface mount applications. This transistor is part of the BC817 series, which includes various versions such as BC817-16, BC817-25, and BC817-40, each with different current gain characteristics. The BC817-25-7 is known for its high reliability, epitaxial planar die construction, and compliance with automotive and RoHS standards.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit | Test Condition |
|---|---|---|---|---|---|---|
| Collector-Base Breakdown Voltage | BVCBO | 50 | V | IC = 100µA | ||
| Collector-Emitter Breakdown Voltage | BVCEO | 45 | V | IC = 10mA | ||
| Emitter-Base Breakdown Voltage | BVEBO | 5 | V | IE = 100µA | ||
| DC Current Gain (hFE) | 160 | 400 | VCE = 1.0V, IC = 100mA | |||
| Collector-Emitter Saturation Voltage | VCE(SAT) | 0.7 | V | IC = 500mA, IB = 50mA | ||
| Base-Emitter Voltage | VBE | 1.2 | V | VCE = 1.0V, IC = 300mA | ||
| Gain Bandwidth Product | fT | 100 | MHz | VCE = 5.0V, IC = 10mA, f = 50MHz | ||
| Collector-Base Capacitance | CCBO | 12 | pF | VCB = 10V, f = 1.0MHz | ||
| Maximum Collector Current | IC | 500 | mA | |||
| Maximum Collector-Emitter Voltage | VCE | 45 | V | |||
| Maximum Power Dissipation | PD | 310 | mW | |||
| Package Type | SOT23-3 |
Key Features
- Ideally suited for automatic insertion.
- Epitaxial planar die construction.
- Complementary PNP types available (BC807).
- Totally lead-free and fully RoHS compliant.
- Halogen and antimony free, making it a 'green' device.
- Qualified to AEC-Q101 standards for high reliability.
- Automotive-compliant parts available under separate datasheet (BC817-16Q/40Q).
- Molded plastic case with UL flammability classification rating 94V-0.
- Matte tin plated leads, solderable per JEDEC specifications.
Applications
The BC817-25-7 transistor is versatile and can be used in various applications, including:
- Switching circuits: Due to its high current gain and low saturation voltage, it is suitable for switching applications.
- Audio Frequency (AF) amplifiers: Its high gain and low noise characteristics make it ideal for AF amplifier applications.
- Automotive systems: Qualified to AEC-Q101 standards, it can be used in automotive electronics.
- General-purpose amplification: It can be used in a wide range of general-purpose amplification and switching circuits.
Q & A
- What is the maximum collector-emitter voltage of the BC817-25-7 transistor?
The maximum collector-emitter voltage is 45V. - What is the package type of the BC817-25-7 transistor?
The package type is SOT23-3. - What is the maximum collector current of the BC817-25-7 transistor?
The maximum collector current is 500mA. - Is the BC817-25-7 transistor RoHS compliant?
Yes, the BC817-25-7 transistor is totally lead-free and fully RoHS compliant. - What are the typical applications of the BC817-25-7 transistor?
The typical applications include switching circuits, AF amplifiers, automotive systems, and general-purpose amplification. - What is the gain bandwidth product of the BC817-25-7 transistor?
The gain bandwidth product is 100MHz. - Is the BC817-25-7 transistor qualified for automotive use?
Yes, it is qualified to AEC-Q101 standards for high reliability and automotive-compliant parts are available under separate datasheet. - What is the maximum power dissipation of the BC817-25-7 transistor?
The maximum power dissipation is 310mW. - What is the collector-emitter saturation voltage of the BC817-25-7 transistor?
The collector-emitter saturation voltage is typically 0.7V. - What is the base-emitter voltage of the BC817-25-7 transistor?
The base-emitter voltage is typically 1.2V.
